diff options
Diffstat (limited to 'org.eclipse.core.filebuffers/src/org/eclipse/core/internal')
12 files changed, 0 insertions, 2879 deletions
diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/AbstractFileBuffer.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/AbstractFileBuffer.java deleted file mode 100644 index f0721e2475f..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/AbstractFileBuffer.java +++ /dev/null @@ -1,36 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.IProgressMonitor; - -import org.eclipse.core.filebuffers.IFileBuffer; - -/** - * @since 3.0 - */ -public abstract class AbstractFileBuffer implements IFileBuffer { - - - public abstract void create(IPath location, IProgressMonitor monitor) throws CoreException; - - public abstract void connect(); - - public abstract void disconnect() throws CoreException; - - public abstract boolean isDisposed(); - - public abstract void requestSynchronizationContext(); - - public abstract void releaseSynchronizationContext(); -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ContainerGenerator.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ContainerGenerator.java deleted file mode 100644 index ec5f82f8323..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ContainerGenerator.java +++ /dev/null @@ -1,130 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import org.eclipse.core.resources.IContainer; -import org.eclipse.core.resources.IFolder; -import org.eclipse.core.resources.IProject; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.resources.IWorkspace; -import org.eclipse.core.resources.IWorkspaceRoot; -import org.eclipse.core.resources.IWorkspaceRunnable; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.OperationCanceledException; -import org.eclipse.core.runtime.Path; -import org.eclipse.core.runtime.Status; -import org.eclipse.core.runtime.SubProgressMonitor; - -public class ContainerGenerator { - - private IPath fContainerFullPath; - private IContainer fContainer; - private IWorkspace fWorkspace; - - public ContainerGenerator(IWorkspace workspace, IPath containerPath) { - fWorkspace= workspace; - fContainerFullPath = containerPath; - } - - private IFolder createFolder(IFolder folderHandle, IProgressMonitor monitor) throws CoreException { - folderHandle.create(false, true, monitor); - if (monitor.isCanceled()) - throw new OperationCanceledException(); - return folderHandle; - } - - private IFolder createFolderHandle(IContainer container, String folderName) { - return container.getFolder(new Path(folderName)); - } - - private IProject createProject(IProject projectHandle, IProgressMonitor monitor) throws CoreException { - try { - monitor.beginTask("",2000);//$NON-NLS-1$ - - projectHandle.create(new SubProgressMonitor(monitor, 1000)); - if (monitor.isCanceled()) - throw new OperationCanceledException(); - - projectHandle.open(new SubProgressMonitor(monitor, 1000)); - if (monitor.isCanceled()) - throw new OperationCanceledException(); - - } finally { - monitor.done(); - } - - return projectHandle; - } - - private IProject createProjectHandle(IWorkspaceRoot root, String projectName) { - return root.getProject(projectName); - } - - public IContainer generateContainer(IProgressMonitor monitor) throws CoreException { - IWorkspaceRunnable runnable= new IWorkspaceRunnable() { - public void run(IProgressMonitor monitor) throws CoreException { - monitor.beginTask(FileBuffersMessages.getString("ContainerGenerator.task.creatingContainer"), 1000 * fContainerFullPath.segmentCount()); //$NON-NLS-1$ - if (fContainer != null) - return; - - // Does the container exist already? - IWorkspaceRoot root= fWorkspace.getRoot(); - IResource found= root.findMember(fContainerFullPath); - if (found instanceof IContainer) { - fContainer= (IContainer) found; - return; - } else if (found != null) { - // fContainerFullPath specifies a file as directory - throw new CoreException(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getFormattedString("ContainerGenerator.destinationMustBeAContainer", fContainerFullPath), null)); //$NON-NLS-1$ - } - - // Create the container for the given path - fContainer= root; - for (int i = 0; i < fContainerFullPath.segmentCount(); i++) { - String currentSegment = fContainerFullPath.segment(i); - IResource resource = fContainer.findMember(currentSegment); - if (resource != null) { - if (resource instanceof IContainer) { - fContainer= (IContainer) resource; - monitor.worked(1000); - } else { - // fContainerFullPath specifies a file as directory - throw new CoreException(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getFormattedString("ContainerGenerator.destinationMustBeAContainer", resource.getFullPath()), null)); //$NON-NLS-1$ - } - } - else { - if (i == 0) { - IProject projectHandle= createProjectHandle(root, currentSegment); - fContainer= createProject(projectHandle, new SubProgressMonitor(monitor,1000)); - } - else { - IFolder folderHandle= createFolderHandle(fContainer, currentSegment); - fContainer= createFolder(folderHandle, new SubProgressMonitor(monitor,1000)); - } - } - } - } - }; - - // Get scheduling rule - IWorkspaceRoot root= fWorkspace.getRoot(); - IPath existingParentPath= fContainerFullPath; - while (!root.exists(existingParentPath)) - existingParentPath= existingParentPath.removeLastSegments(1); - - IResource schedulingRule= root.findMember(existingParentPath); - fWorkspace.run(runnable, schedulingRule, IWorkspace.AVOID_UPDATE, monitor); - return fContainer; - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/DefaultDocumentFactory.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/DefaultDocumentFactory.java deleted file mode 100644 index 61ab7ca3b67..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/DefaultDocumentFactory.java +++ /dev/null @@ -1,32 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import org.eclipse.core.filebuffers.IDocumentFactory; - -import org.eclipse.jface.text.Document; -import org.eclipse.jface.text.IDocument; - -/** - * The default document factory. - */ -public class DefaultDocumentFactory implements IDocumentFactory { - - public DefaultDocumentFactory() { - } - - /* - * @see org.eclipse.core.filebuffers.IDocumentFactory#createDocument() - */ - public IDocument createDocument() { - return new Document(); - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ExtensionsRegistry.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ExtensionsRegistry.java deleted file mode 100644 index f1926c6932e..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ExtensionsRegistry.java +++ /dev/null @@ -1,557 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - - - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.util.List; -import java.util.Map; -import java.util.Set; -import java.util.StringTokenizer; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IConfigurationElement; -import org.eclipse.core.runtime.IExtensionPoint; -import org.eclipse.core.runtime.ILog; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.Status; -import org.eclipse.core.runtime.content.IContentDescription; -import org.eclipse.core.runtime.content.IContentType; -import org.eclipse.core.runtime.content.IContentTypeManager; - -import org.eclipse.core.filebuffers.FileBuffers; -import org.eclipse.core.filebuffers.IAnnotationModelFactory; -import org.eclipse.core.filebuffers.IDocumentFactory; -import org.eclipse.core.filebuffers.IDocumentSetupParticipant; - -import org.eclipse.jface.text.Assert; - - -/** - * This registry manages sharable document factories. Document factories are specified - * in <code>plugin.xml</code> per file name extension. - */ -public class ExtensionsRegistry { - - /** - * Adapts IContentType with the ability to check - * equality. This allows to use them in a collection. - */ - private static class ContentTypeAdapter { - - /** The adapted content type. */ - private IContentType fContentType; - - /** - * Creates a new content type adapter for the - * given content type. - * - * @param contentType the content type to be adapted - */ - public ContentTypeAdapter(IContentType contentType) { - Assert.isNotNull(contentType); - fContentType= contentType; - } - - /** - * Return the adapted content type. - * - * @return the content type - */ - public IContentType getContentType() { - return fContentType; - } - - /** - * Return the Id of the adapted content type. - * - * @return the Id - */ - public String getId() { - return fContentType.getId(); - } - - /* - * @see java.lang.Object#equals(java.lang.Object) - */ - public boolean equals(Object obj) { - return obj instanceof ContentTypeAdapter && fContentType.getId().equals(((ContentTypeAdapter)obj).getId()); - } - - /* - * @see java.lang.Object#hashCode() - */ - public int hashCode() { - return fContentType.getId().hashCode(); - } - } - - private final static String WILDCARD= "*"; //$NON-NLS-1$ - - /** The mapping between file attributes and configuration elements describing document factories. */ - private Map fFactoryDescriptors= new HashMap(); - /** The mapping between configuration elements for document factories and instantiated document factories. */ - private Map fFactories= new HashMap(); - /** The mapping between file attributes and configuration elements describing document setup participants. */ - private Map fSetupParticipantDescriptors= new HashMap(); - /** The mapping between configuration elements for setup participants and instantiated setup participants. */ - private Map fSetupParticipants= new HashMap(); - /** The mapping between file attributes and configuration elements describing annotation model factories. */ - private Map fAnnotationModelFactoryDescriptors= new HashMap(); - /** The mapping between configuration elements for annotation model factories */ - private Map fAnnotationModelFactories= new HashMap(); - /** The content type manager. */ - private IContentTypeManager fContentTypeManager= Platform.getContentTypeManager(); - - - /** - * Creates a new document factory registry and initializes it with the information - * found in the plug-in registry. - */ - public ExtensionsRegistry() { - initialize("documentCreation", "contentTypeId", true, fFactoryDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - initialize("documentCreation", "fileNames", false, fFactoryDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - initialize("documentCreation", "extensions", false, fFactoryDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - initialize("documentSetup", "contentTypeId", true, fSetupParticipantDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - initialize("documentSetup", "fileNames", false, fSetupParticipantDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - initialize("documentSetup", "extensions", false, fSetupParticipantDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - initialize("annotationModelCreation", "contentTypeId", true, fAnnotationModelFactoryDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - initialize("annotationModelCreation", "fileNames", false, fAnnotationModelFactoryDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - initialize("annotationModelCreation", "extensions", false, fAnnotationModelFactoryDescriptors); //$NON-NLS-1$ //$NON-NLS-2$ - - } - - /** - * Reads the comma-separated value from the given configuration element for the given attribute name and remembers - * the configuration element in the given map under the individual tokens of the attribute value. - * - * @param attributeName the name of the attribute - * @param element the configuration element - * @param map the map which remembers the configuration element - */ - private void read(String attributeName, IConfigurationElement element, Map map) { - String value= element.getAttribute(attributeName); - if (value != null) { - StringTokenizer tokenizer= new StringTokenizer(value, ","); //$NON-NLS-1$ - while (tokenizer.hasMoreTokens()) { - String token= tokenizer.nextToken().trim(); - - Set s= (Set) map.get(token); - if (s == null) { - s= new HashSet(); - map.put(token, s); - } - s.add(element); - } - } - } - - /** - * Reads the value from the given configuration element for the given attribute name and remembers - * the configuration element in the given map under the individual content type of the attribute value. - * - * @param attributeName the name of the attribute - * @param element the configuration element - * @param map the map which remembers the configuration element - */ - private void readContentType(String attributeName, IConfigurationElement element, Map map) { - String value= element.getAttribute(attributeName); - if (value != null) { - IContentType contentType= fContentTypeManager.getContentType(value); - if (contentType == null) { - log(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, 0, FileBuffersMessages.getFormattedString("ExtensionsRegistry.error.contentTypeDoesNotExist", new Object[] { value }), null)); //$NON-NLS-1$ - return; - } - ContentTypeAdapter adapter= new ContentTypeAdapter(contentType); - Set s= (Set) map.get(adapter); - if (s == null) { - s= new HashSet(); - map.put(adapter, s); - } - s.add(element); - } - } - - /** - * Adds an entry to the log of this plug-in for the given status - * @param status the status to log - */ - private void log(IStatus status) { - ILog log= FileBuffersPlugin.getDefault().getLog(); - log.log(status); - } - - /** - * Initializes this registry. It retrieves all implementers of the given - * extension point and remembers those implementers based on the - * file name extensions in the given map. - * - * @param extensionPointName the name of the extension point - * @param childElementName the name of the child elements - * @param isContentTypeId the child element is a content type id - * @param descriptors the map to be filled - */ - private void initialize(String extensionPointName, String childElementName, boolean isContentTypeId, Map descriptors) { - - IExtensionPoint extensionPoint= Platform.getExtensionRegistry().getExtensionPoint(FileBuffersPlugin.PLUGIN_ID, extensionPointName); - if (extensionPoint == null) { - log(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, 0, FileBuffersMessages.getFormattedString("ExtensionsRegistry.error.extensionPointNotFound", new Object[] { extensionPointName}), null)); //$NON-NLS-1$ - return; - } - - IConfigurationElement[] elements= extensionPoint.getConfigurationElements(); - for (int i= 0; i < elements.length; i++) { - if (isContentTypeId) - readContentType(childElementName, elements[i], descriptors); - else - read(childElementName, elements[i], descriptors); - } - } - - /** - * Returns the executable extension for the given configuration element. - * If there is no instantiated extension remembered for this - * element, a new extension is created and put into the cache if it is of the requested type. - * - * @param entry the configuration element - * @param extensions the map of instantiated extensions - * @param extensionType the requested result type - * @return the executable extension for the given configuration element. - */ - private Object getExtension(IConfigurationElement entry, Map extensions, Class extensionType) { - Object extension= extensions.get(entry); - if (extension != null) - return extension; - - try { - extension= entry.createExecutableExtension("class"); //$NON-NLS-1$ - } catch (CoreException x) { - log(x.getStatus()); - } - - if (extensionType.isInstance(extension)) { - extensions.put(entry, extension); - return extension; - } - - return null; - } - - /** - * Returns the first enumerated element of the given set. - * - * @param set the set from which to choose - * @return the selected configuration element - */ - private IConfigurationElement selectConfigurationElement(Set set) { - if (set != null && !set.isEmpty()) { - Iterator e= set.iterator(); - return (IConfigurationElement) e.next(); - } - return null; - } - - /** - * Returns a sharable document factory for the given file name or file extension. - * - * @param nameOrExtension the name or extension to be used for lookup - * @return the sharable document factory or <code>null</code> - */ - private IDocumentFactory getDocumentFactory(String nameOrExtension) { - Set set= (Set) fFactoryDescriptors.get(nameOrExtension); - if (set != null) { - IConfigurationElement entry= selectConfigurationElement(set); - return (IDocumentFactory) getExtension(entry, fFactories, IDocumentFactory.class); - } - return null; - } - - /** - * Returns a sharable document factory for the given content types. - * - * @param contentTypes the content types used to find the factory - * @return the sharable document factory or <code>null</code> - */ - private IDocumentFactory doGetDocumentFactory(IContentType[] contentTypes) { - Set set= null; - int i= 0; - while (i < contentTypes.length && set == null) { - set= (Set) fFactoryDescriptors.get(new ContentTypeAdapter(contentTypes[i++])); - } - - if (set != null) { - IConfigurationElement entry= selectConfigurationElement(set); - return (IDocumentFactory) getExtension(entry, fFactories, IDocumentFactory.class); - } - return null; - } - - /** - * Returns a sharable document factory for the given content types. This - * method considers the base content types of the given set of content - * types. - * - * @param contentTypes the content types used to find the factory - * @return the sharable document factory or <code>null</code> - */ - private IDocumentFactory getDocumentFactory(IContentType[] contentTypes) { - IDocumentFactory factory= doGetDocumentFactory(contentTypes); - while (factory == null) { - contentTypes= computeBaseContentTypes(contentTypes); - if (contentTypes == null) - break; - factory= doGetDocumentFactory(contentTypes); - } - return factory; - } - - /** - * Returns the set of setup participants for the given file name or extension. - * - * @param nameOrExtension the name or extension to be used for lookup - * @return the sharable set of document setup participants - */ - private List getDocumentSetupParticipants(String nameOrExtension) { - Set set= (Set) fSetupParticipantDescriptors.get(nameOrExtension); - if (set == null) - return null; - - List participants= new ArrayList(); - Iterator e= set.iterator(); - while (e.hasNext()) { - IConfigurationElement entry= (IConfigurationElement) e.next(); - Object participant= getExtension(entry, fSetupParticipants, IDocumentSetupParticipant.class); - if (participant != null) - participants.add(participant); - } - - return participants; - } - - /** - * Returns the set of setup participants for the given content types. - * - * @param contentTypes the contentTypes to be used for lookup - * @return the sharable set of document setup participants - */ - private List doGetDocumentSetupParticipants(IContentType[] contentTypes) { - Set resultSet= new HashSet(); - int i= 0; - while (i < contentTypes.length) { - Set set= (Set) fSetupParticipantDescriptors.get(new ContentTypeAdapter(contentTypes[i++])); - if (set != null) - resultSet.addAll(set); - } - - List participants= new ArrayList(); - Iterator e= resultSet.iterator(); - while (e.hasNext()) { - IConfigurationElement entry= (IConfigurationElement) e.next(); - Object participant= getExtension(entry, fSetupParticipants, IDocumentSetupParticipant.class); - if (participant != null) - participants.add(participant); - } - - return participants.isEmpty() ? null : participants; - } - - /** - * Returns the set of setup participants for the given content types. This - * method considers the base content types of the given set of content - * types. - * - * @param contentTypes the contentTypes to be used for lookup - * @return the sharable set of document setup participants - */ - private List getDocumentSetupParticipants(IContentType[] contentTypes) { - List participants= doGetDocumentSetupParticipants(contentTypes); - while (participants == null) { - contentTypes= computeBaseContentTypes(contentTypes); - if (contentTypes == null) - break; - participants= doGetDocumentSetupParticipants(contentTypes); - } - return participants; - } - - /** - * Returns a sharable annotation model factory for the given content types. - * - * @param contentTypes the content types used to find the factory - * @return the sharable annotation model factory or <code>null</code> - */ - private IAnnotationModelFactory doGetAnnotationModelFactory(IContentType[] contentTypes) { - Set set= null; - int i= 0; - while (i < contentTypes.length && set == null) { - set= (Set) fAnnotationModelFactoryDescriptors.get(new ContentTypeAdapter(contentTypes[i++])); - } - - if (set != null) { - IConfigurationElement entry= selectConfigurationElement(set); - return (IAnnotationModelFactory) getExtension(entry, fAnnotationModelFactories, IAnnotationModelFactory.class); - } - return null; - } - - /** - * Returns a sharable annotation model factory for the given content types. - * This method considers the base content types of the given set of content - * types. - * - * @param contentTypes the content types used to find the factory - * @return the sharable annotation model factory or <code>null</code> - */ - private IAnnotationModelFactory getAnnotationModelFactory(IContentType[] contentTypes) { - IAnnotationModelFactory factory= doGetAnnotationModelFactory(contentTypes); - while (factory == null) { - contentTypes= computeBaseContentTypes(contentTypes); - if (contentTypes == null) - break; - factory= doGetAnnotationModelFactory(contentTypes); - } - return factory; - } - - /** - * Returns a sharable annotation model factory for the given file name or file extension. - * - * @param extension the name or extension to be used for lookup - * @return the sharable document factory or <code>null</code> - */ - private IAnnotationModelFactory getAnnotationModelFactory(String extension) { - Set set= (Set) fAnnotationModelFactoryDescriptors.get(extension); - if (set != null) { - IConfigurationElement entry= selectConfigurationElement(set); - return (IAnnotationModelFactory) getExtension(entry, fAnnotationModelFactories, IAnnotationModelFactory.class); - } - return null; - } - - /** - * Returns the set of content types for the given location. - * - * @param location the location for which to look up the content types - * @return the set of content types for the location - */ - private IContentType[] findContentTypes(IPath location) { - IFile file= FileBuffers.getWorkspaceFileAtLocation(location); - if (file != null) { - try { - IContentDescription contentDescription= file.getContentDescription(); - if (contentDescription != null) { - IContentType contentType= contentDescription.getContentType(); - if (contentType != null) - return new IContentType[] {contentType}; - } - } catch (CoreException x) { - // go for the default - } - } - return fContentTypeManager.findContentTypesFor(location.lastSegment()); - } - - /** - * Returns the set of direct base content types for the given set of content - * types. Returns <code>null</code> if non of the given content types has - * a direct base content type. - * - * @param contentTypes the content types - * @return the set of direct base content types - */ - private IContentType[] computeBaseContentTypes(IContentType[] contentTypes) { - List baseTypes= new ArrayList(); - for (int i= 0; i < contentTypes.length; i++) { - IContentType baseType= contentTypes[i].getBaseType(); - if (baseType != null) - baseTypes.add(baseType); - } - - IContentType[] result= null; - int size= baseTypes.size(); - if (size > 0) { - result= new IContentType[size]; - baseTypes.toArray(result); - } - return result; - } - - /** - * Returns the sharable document factory for the given location. - * - * @param location the location for which to looked up the factory - * @return the sharable document factory - */ - public IDocumentFactory getDocumentFactory(IPath location) { - IDocumentFactory factory= getDocumentFactory(findContentTypes(location)); - if (factory == null) - factory= getDocumentFactory(location.lastSegment()); - if (factory == null) - factory= getDocumentFactory(location.getFileExtension()); - if (factory == null) - factory= getDocumentFactory(WILDCARD); - return factory; - } - - /** - * Returns the sharable set of document setup participants for the given location. - * - * @param location the location for which to look up the setup participants - * @return the sharable set of document setup participants - */ - public IDocumentSetupParticipant[] getDocumentSetupParticipants(IPath location) { - List participants= new ArrayList(); - - List p= getDocumentSetupParticipants(findContentTypes(location)); - if (p != null) - participants.addAll(p); - - p= getDocumentSetupParticipants(location.lastSegment()); - if (p != null) - participants.addAll(p); - - p= getDocumentSetupParticipants(location.getFileExtension()); - if (p != null) - participants.addAll(p); - - p= getDocumentSetupParticipants(WILDCARD); - if (p != null) - participants.addAll(p); - - IDocumentSetupParticipant[] result= new IDocumentSetupParticipant[participants.size()]; - participants.toArray(result); - return result; - } - - /** - * Returns the sharable annotation model factory for the given location. - * - * @param location the location for which to look up the factory - * @return the sharable annotation model factory - */ - public IAnnotationModelFactory getAnnotationModelFactory(IPath location) { - IAnnotationModelFactory factory= getAnnotationModelFactory(findContentTypes(location)); - if (factory == null) - factory= getAnnotationModelFactory(location.lastSegment()); - if (factory == null) - factory= getAnnotationModelFactory(location.getFileExtension()); - if (factory == null) - factory= getAnnotationModelFactory(WILDCARD); - return factory; - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersMessages.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersMessages.java deleted file mode 100644 index e3230fff257..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersMessages.java +++ /dev/null @@ -1,82 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ - -package org.eclipse.core.internal.filebuffers; - -import java.text.MessageFormat; -import java.util.MissingResourceException; -import java.util.ResourceBundle; - - -/** - * Helper class to get NLSed messages. - * - * @since 3.0 - */ -class FileBuffersMessages { - - private static final String RESOURCE_BUNDLE= FileBuffersMessages.class.getName(); - - private static ResourceBundle fgResourceBundle= ResourceBundle.getBundle(RESOURCE_BUNDLE); - - private FileBuffersMessages() { - } - - /** - * Gets a string from the resource bundle. - * - * @param key the string used to get the bundle value, must not be <code>null</code> - * @return the string from the resource bundle - */ - public static String getString(String key) { - try { - return fgResourceBundle.getString(key); - } catch (MissingResourceException e) { - return "!" + key + "!";//$NON-NLS-2$ //$NON-NLS-1$ - } - } - - /** - * Gets a string from the resource bundle and formats it with the given arguments. - * - * @param key the string used to get the bundle value, must not be <code>null</code> - * @param args the arguments used to format the string - * @return the formatted string - */ - public static String getFormattedString(String key, Object[] args) { - String format= null; - try { - format= fgResourceBundle.getString(key); - } catch (MissingResourceException e) { - return "!" + key + "!";//$NON-NLS-2$ //$NON-NLS-1$ - } - return MessageFormat.format(format, args); - } - - /** - * Gets a string from the resource bundle and formats it with the given argument. - * - * @param key the string used to get the bundle value, must not be <code>null</code> - * @param arg the argument used to format the string - * @return the formatted string - */ - public static String getFormattedString(String key, Object arg) { - String format= null; - try { - format= fgResourceBundle.getString(key); - } catch (MissingResourceException e) { - return "!" + key + "!";//$NON-NLS-2$ //$NON-NLS-1$ - } - if (arg == null) - arg= ""; //$NON-NLS-1$ - return MessageFormat.format(format, new Object[] { arg }); - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersMessages.properties b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersMessages.properties deleted file mode 100644 index efbe8b0d373..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersMessages.properties +++ /dev/null @@ -1,29 +0,0 @@ -############################################################################### -# Copyright (c) 2000, 2004 IBM Corporation and others. -# All rights reserved. This program and the accompanying materials -# are made available under the terms of the Common Public License v1.0 -# which accompanies this distribution, and is available at -# http://www.eclipse.org/legal/cpl-v10.html -# -# Contributors: -# IBM Corporation - initial API and implementation -############################################################################### - -ExtensionsRegistry.error.extensionPointNotFound= Extension point "{0}" not found. -ExtensionsRegistry.error.contentTypeDoesNotExist= The content type with id "{0}" specified in the extension point does not exist. - -FileBuffer.error.fileDoesNotExist= The file does not exist. -FileBuffer.error.outOfSync= The file is not synchronized with the the local file system. - -FileBuffer.status.ok= OK -FileBuffer.status.error= Error - -FileBufferManager.error.canNotCreateFilebuffer= Cannot create file buffer. - -ContainerGenerator.task.creatingContainer= Creating container... -ContainerGenerator.destinationMustBeAContainer=Specified path is not a folder: {0} - -ResourceTextFileBuffer.error.unsupported_encoding.message_arg= Character encoding \"{0}\" is not supported by this platform. -ResourceTextFileBuffer.error.closeReader= Could not close reader. - -JavaTextFileBuffer.error.closeStream= Could not close stream. diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersPlugin.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersPlugin.java deleted file mode 100644 index 14610ace3a2..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/FileBuffersPlugin.java +++ /dev/null @@ -1,96 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import java.util.MissingResourceException; -import java.util.ResourceBundle; - -import org.eclipse.core.runtime.Plugin; - -import org.eclipse.core.filebuffers.ITextFileBufferManager; - -import org.eclipse.jface.text.Assert; - - -/** - * The plug-in runtime class for the file buffers plug-in (id <code>"org.eclipse.core.filebuffers"</code>). - * - * @since 3.0 - */ -public class FileBuffersPlugin extends Plugin { - - public final static String PLUGIN_ID= "org.eclipse.core.filebuffers"; //$NON-NLS-1$ - - /** The shared plug-in instance */ - private static FileBuffersPlugin fgPlugin; - /** The resource bundle */ - private ResourceBundle fResourceBundle; - /** The file buffer manager */ - private ITextFileBufferManager fTextFileBufferManager; - - /** - * Creates a plug-in instance. - */ - public FileBuffersPlugin() { - Assert.isTrue(fgPlugin == null); - fgPlugin= this; - try { - fResourceBundle= ResourceBundle.getBundle("org.eclipse.core.internal.filebuffers.FileBuffersPlugin"); //$NON-NLS-1$ - } catch (MissingResourceException x) { - fResourceBundle = null; - } - } - - /** - * Returns the shared instance. - * - * @return the default plug-in instance - */ - public static FileBuffersPlugin getDefault() { - return fgPlugin; - } - - /** - * Returns the string from the plugin's resource bundle, - * or 'key' if not found. - * - * @param key the resource string key - * @return the resource string for the given key - */ - public static String getResourceString(String key) { - ResourceBundle bundle= FileBuffersPlugin.getDefault().getResourceBundle(); - try { - return (bundle!=null ? bundle.getString(key) : key); - } catch (MissingResourceException e) { - return key; - } - } - - /** - * Returns the plugin's resource bundle. - * - * @return the resource bundle - */ - private ResourceBundle getResourceBundle() { - return fResourceBundle; - } - - /** - * Returns the text file buffer manager of this plug-in. - * - * @return the text file buffer manager of this plug-in - */ - public ITextFileBufferManager getFileBufferManager() { - if (fTextFileBufferManager == null) - fTextFileBufferManager= new TextFileBufferManager(); - return fTextFileBufferManager; - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/JavaFileBuffer.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/JavaFileBuffer.java deleted file mode 100644 index 5b8b3535f5d..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/JavaFileBuffer.java +++ /dev/null @@ -1,217 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import java.io.File; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.ILog; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Status; - -import org.eclipse.core.filebuffers.FileBuffers; - -/** - * @since 3.0 - */ -public abstract class JavaFileBuffer extends AbstractFileBuffer { - - /** The location */ - protected IPath fLocation; - /** The element for which the info is stored */ - protected File fFile; - /** How often the element has been connected */ - protected int fReferenceCount; - /** Can the element be saved */ - protected boolean fCanBeSaved= false; - /** The status of this element */ - protected IStatus fStatus; - /** The time stamp at which this buffer synchronized with the underlying file. */ - protected long fSynchronizationStamp= IFile.NULL_STAMP; - /** How often the synchronization context has been requested */ - protected int fSynchronizationContextCount; - /** The text file buffer manager */ - protected TextFileBufferManager fManager; - - - public JavaFileBuffer(TextFileBufferManager manager) { - super(); - fManager= manager; - } - - abstract protected void addFileBufferContentListeners(); - - abstract protected void removeFileBufferContentListeners(); - - abstract protected void initializeFileBufferContent(IProgressMonitor monitor) throws CoreException; - - abstract protected void commitFileBufferContent(IProgressMonitor monitor, boolean overwrite) throws CoreException; - - /** - * Returns the file at the given location or <code>null</code> if - * there is no such file. - * - * @param location the location - * @return the file at the given location - */ - private File getFileAtLocation(IPath location) { - File file= FileBuffers.getSystemFileAtLocation(location); - return file.exists() ? file : null; - } - - public void create(IPath location, IProgressMonitor monitor) throws CoreException { - File file= getFileAtLocation(location); - if (file == null) - throw new CoreException(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getString("FileBuffer.error.fileDoesNotExist"), null)); //$NON-NLS-1$ - - fLocation= location; - fFile= file; - initializeFileBufferContent(monitor); - fSynchronizationStamp= fFile.lastModified(); - - addFileBufferContentListeners(); - } - - public void connect() { - ++ fReferenceCount; - } - - public void disconnect() throws CoreException { - -- fReferenceCount; - } - - /** - * Returns whether this file buffer has already been disposed. - * - * @return <code>true</code> if already disposed, <code>false</code> otherwise - */ - public boolean isDisposed() { - return fReferenceCount <= 0; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#getLocation() - */ - public IPath getLocation() { - return fLocation; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#commit(org.eclipse.core.runtime.IProgressMonitor, boolean) - */ - public void commit(IProgressMonitor monitor, boolean overwrite) throws CoreException { - if (!isDisposed() && fCanBeSaved) { - - fManager.fireStateChanging(this); - - try { - commitFileBufferContent(monitor, overwrite); - } catch (CoreException x) { - fManager.fireStateChangeFailed(this); - throw x; - } catch (RuntimeException x) { - fManager.fireStateChangeFailed(this); - throw x; - } - - fCanBeSaved= false; - addFileBufferContentListeners(); - fManager.fireDirtyStateChanged(this, fCanBeSaved); - } - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#isDirty() - */ - public boolean isDirty() { - return fCanBeSaved; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#isShared() - */ - public boolean isShared() { - return fReferenceCount > 1; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#validateState(org.eclipse.core.runtime.IProgressMonitor, java.lang.Object) - */ - public void validateState(IProgressMonitor monitor, Object computationContext) throws CoreException { - // nop - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#isStateValidated() - */ - public boolean isStateValidated() { - return true; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#resetStateValidation() - */ - public void resetStateValidation() { - // nop - } - - /** - * Sends out the notification that the file serving as document input has been moved. - * - * @param newLocation the path of the new location of the file - */ - protected void handleFileMoved(IPath newLocation) { - fManager.fireUnderlyingFileMoved(this, newLocation); - } - - /** - * Defines the standard procedure to handle <code>CoreExceptions</code>. Exceptions - * are written to the plug-in log. - * - * @param exception the exception to be logged - * @param message the message to be logged - */ - protected void handleCoreException(CoreException exception) { - ILog log= FileBuffersPlugin.getDefault().getLog(); - log.log(exception.getStatus()); - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#isSynchronized() - */ - public boolean isSynchronized() { - return fSynchronizationStamp == fFile.lastModified(); - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#getModificationStamp() - */ - public long getModificationStamp() { - return fFile.lastModified(); - } - - /** - * Requests the file buffer manager's synchronization context for this file buffer. - */ - public void requestSynchronizationContext() { - ++ fSynchronizationContextCount; - } - - /** - * Releases the file buffer manager's synchronization context for this file buffer. - */ - public void releaseSynchronizationContext() { - -- fSynchronizationContextCount; - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/JavaTextFileBuffer.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/JavaTextFileBuffer.java deleted file mode 100644 index 28bdfcda6a9..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/JavaTextFileBuffer.java +++ /dev/null @@ -1,436 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import java.io.BufferedReader; -import java.io.ByteArrayInputStream; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.OutputStream; -import java.io.Reader; -import java.io.StringReader; -import java.io.UnsupportedEncodingException; - -import org.eclipse.core.resources.IResourceStatus; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.QualifiedName; -import org.eclipse.core.runtime.Status; -import org.eclipse.core.runtime.content.IContentDescription; - -import org.eclipse.core.filebuffers.ITextFileBuffer; - -import org.eclipse.jface.text.DocumentEvent; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IDocumentListener; -import org.eclipse.jface.text.source.IAnnotationModel; - -/** - * @since 3.0 - */ -public class JavaTextFileBuffer extends JavaFileBuffer implements ITextFileBuffer { - - - private class DocumentListener implements IDocumentListener { - - /* - * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent) - */ - public void documentAboutToBeChanged(DocumentEvent event) { - } - - /* - * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent) - */ - public void documentChanged(DocumentEvent event) { - fCanBeSaved= true; - removeFileBufferContentListeners(); - fManager.fireDirtyStateChanged(JavaTextFileBuffer.this, fCanBeSaved); - } - } - - /** - * Reader chunk size. - */ - private static final int READER_CHUNK_SIZE= 2048; - /** - * Buffer size. - */ - private static final int BUFFER_SIZE= 8 * READER_CHUNK_SIZE; - /** - * Constant for representing the OK status. This is considered a value object. - */ - private static final IStatus STATUS_OK= new Status(IStatus.OK, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getString("FileBuffer.status.ok"), null); //$NON-NLS-1$ - /** - * Constant for representing the error status. This is considered a value object. - */ - private static final IStatus STATUS_ERROR= new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.INFO, FileBuffersMessages.getString("FileBuffer.status.error"), null); //$NON-NLS-1$ - /** - * Constant denoting UTF-8 encoding. - */ - private static final String CHARSET_UTF_8= "UTF-8"; //$NON-NLS-1$ - - - /** The element's document */ - protected IDocument fDocument; - /** The encoding used to create the document from the storage or <code>null</code> for workbench encoding. */ - protected String fEncoding; - /** Internal document listener */ - protected IDocumentListener fDocumentListener= new DocumentListener(); - /** - * The encoding which has explicitly been set on the file. - */ - private String fExplicitEncoding; - /** - * Tells whether the file on disk has a BOM. - */ - private boolean fHasBOM; - - - public JavaTextFileBuffer(TextFileBufferManager manager) { - super(manager); - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedTextFile#getDocument() - */ - public IDocument getDocument() { - return fDocument; - } - - /* - * @see org.eclipse.core.filebuffers.ITextFileBuffer#getAnnotationModel() - */ - public IAnnotationModel getAnnotationModel() { - return null; - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedTextFile#getEncoding() - */ - public String getEncoding() { - return fEncoding; - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedTextFile#setEncoding(java.lang.String) - */ - public void setEncoding(String encoding) { - fEncoding= encoding; - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedFile#getStatus() - */ - public IStatus getStatus() { - if (!isDisposed()) { - if (fStatus != null) - return fStatus; - return (fDocument == null ? STATUS_ERROR : STATUS_OK); - } - return STATUS_ERROR; - } - - private InputStream getFileContents(IProgressMonitor monitor) { - try { - return new FileInputStream(fFile); - } catch (FileNotFoundException e) { - } - return null; - } - - private void setFileContents(InputStream stream, boolean overwrite, IProgressMonitor monitor) { - try { - OutputStream out= new FileOutputStream(fFile, false); - - try { - byte[] buffer = new byte[8192]; - while (true) { - int bytesRead = -1; - try { - bytesRead = stream.read(buffer); - } catch (IOException e) { - } - if (bytesRead == -1) - break; - try { - out.write(buffer, 0, bytesRead); - } catch (IOException e) { - } - monitor.worked(1); - } - } finally { - try { - stream.close(); - } catch (IOException e) { - } finally { - try { - out.close(); - } catch (IOException e) { - } - } - } - } catch (FileNotFoundException e) { - } - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#revert(org.eclipse.core.runtime.IProgressMonitor) - */ - public void revert(IProgressMonitor monitor) throws CoreException { - if (isDisposed()) - return; - - IDocument original= null; - IStatus status= null; - - try { - original= fManager.createEmptyDocument(getLocation()); - setDocumentContent(original, getFileContents(monitor), fEncoding); - } catch (CoreException x) { - status= x.getStatus(); - } - - fStatus= status; - - if (original != null) { - - String originalContents= original.get(); - boolean replaceContents= !originalContents.equals(fDocument.get()); - - if (replaceContents) { - fManager.fireBufferContentAboutToBeReplaced(this); - fDocument.set(original.get()); - } - - if (fCanBeSaved) { - fCanBeSaved= false; - addFileBufferContentListeners(); - } - - if (replaceContents) - fManager.fireBufferContentReplaced(this); - - fManager.fireDirtyStateChanged(this, fCanBeSaved); - } - } - - /* - * @see org.eclipse.core.internal.filebuffers.FileBuffer#addFileBufferContentListeners() - */ - protected void addFileBufferContentListeners() { - if (fDocument != null) - fDocument.addDocumentListener(fDocumentListener); - } - - /* - * @see org.eclipse.core.internal.filebuffers.FileBuffer#removeFileBufferContentListeners() - */ - protected void removeFileBufferContentListeners() { - if (fDocument != null) - fDocument.removeDocumentListener(fDocumentListener); - } - - /* - * @see org.eclipse.core.internal.filebuffers.FileBuffer#initializeFileBufferContent(org.eclipse.core.runtime.IProgressMonitor) - */ - protected void initializeFileBufferContent(IProgressMonitor monitor) throws CoreException { - try { - fDocument= fManager.createEmptyDocument(getLocation()); - fEncoding= null; - fHasBOM= false; - - InputStream stream= getFileContents(monitor); - try { - QualifiedName[] options= new QualifiedName[] { IContentDescription.CHARSET, IContentDescription.BYTE_ORDER_MARK }; - IContentDescription description= Platform.getContentTypeManager().getDescriptionFor(stream, fFile.getName(), options); - if (description != null) { - fEncoding= description.getCharset(); - fHasBOM= description.getProperty(IContentDescription.BYTE_ORDER_MARK) != null; - } - } catch (IOException e) { - // do nothing - } finally { - try { - stream.close(); - } catch (IOException ex) { - FileBuffersPlugin.getDefault().getLog().log(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getString("JavaTextFileBuffer.error.closeStream"), ex)); //$NON-NLS-1$ - } - } - - setDocumentContent(fDocument, getFileContents(monitor), fEncoding); - } catch (CoreException x) { - fDocument= fManager.createEmptyDocument(getLocation()); - fStatus= x.getStatus(); - } - } - - /* - * @see org.eclipse.core.internal.filebuffers.FileBuffer#commitFileBufferContent(org.eclipse.core.runtime.IProgressMonitor, boolean) - */ - protected void commitFileBufferContent(IProgressMonitor monitor, boolean overwrite) throws CoreException { - String encoding= computeEncoding(); - try { - - byte[] bytes= fDocument.get().getBytes(encoding); - - /* - * XXX: - * This is a workaround for a corresponding bug in Java readers and writer, - * see: http://developer.java.sun.com/developer/bugParade/bugs/4508058.html - */ - if (fHasBOM && CHARSET_UTF_8.equals(encoding)) { - int bomLength= IContentDescription.BOM_UTF_8.length; - byte[] bytesWithBOM= new byte[bytes.length + bomLength]; - System.arraycopy(IContentDescription.BOM_UTF_8, 0, bytesWithBOM, 0, bomLength); - System.arraycopy(bytes, 0, bytesWithBOM, bomLength, bytes.length); - bytes= bytesWithBOM; - } - - InputStream stream= new ByteArrayInputStream(bytes); - - if (fFile.exists()) { - - if (!overwrite) - checkSynchronizationState(); - - - // here the file synchronizer should actually be removed and afterwards added again. However, - // we are already inside an operation, so the delta is sent AFTER we have added the listener - setFileContents(stream, overwrite, monitor); - // set synchronization stamp to know whether the file synchronizer must become active - fSynchronizationStamp= fFile.lastModified(); - - // TODO if there is an annotation model update it here - - } else { - -// try { -// monitor.beginTask("Saving", 2000); //$NON-NLS-1$ -// ContainerGenerator generator = new ContainerGenerator(fFile.getWorkspace(), fFile.getParent().getFullPath()); -// generator.generateContainer(new SubProgressMonitor(monitor, 1000)); -// fFile.create(stream, false, new SubProgressMonitor(monitor, 1000)); -// } -// finally { -// monitor.done(); -// } - - } - - } catch (UnsupportedEncodingException x) { - String message= FileBuffersMessages.getFormattedString("ResourceTextFileBuffer.error.unsupported_encoding.message_arg", encoding); //$NON-NLS-1$ - IStatus s= new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, message, x); - throw new CoreException(s); - } - } - - private String computeEncoding() { - // User-defined encoding has first priority - if (fExplicitEncoding != null) - return fExplicitEncoding; - - // Probe content - Reader reader= new BufferedReader(new StringReader(fDocument.get())); - try { - QualifiedName[] options= new QualifiedName[] { IContentDescription.CHARSET, IContentDescription.BYTE_ORDER_MARK }; - IContentDescription description= Platform.getContentTypeManager().getDescriptionFor(reader, fFile.getName(), options); - if (description != null) { - String encoding= description.getCharset(); - if (encoding != null) - return encoding; - } - } catch (IOException ex) { - // try next strategy - } finally { - try { - reader.close(); - } catch (IOException ex) { - FileBuffersPlugin.getDefault().getLog().log(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getString("ResourceTextFileBuffer.error.closeReader"), ex)); //$NON-NLS-1$ - } - } - - // Use file's encoding if the file has a BOM - if (fHasBOM) - return fEncoding; - - // Use global default - return fManager.getDefaultEncoding(); - } - - /** - * Intitializes the given document with the given stream using the given encoding. - * - * @param document the document to be initialized - * @param contentStream the stream which delivers the document content - * @param encoding the character encoding for reading the given stream - * @exception CoreException if the given stream can not be read - */ - private void setDocumentContent(IDocument document, InputStream contentStream, String encoding) throws CoreException { - Reader in= null; - try { - - if (encoding == null) - encoding= fManager.getDefaultEncoding(); - - /* - * XXX: - * This is a workaround for a corresponding bug in Java readers and writer, - * see: http://developer.java.sun.com/developer/bugParade/bugs/4508058.html - * </p> - */ - if (fHasBOM && CHARSET_UTF_8.equals(encoding)) - contentStream.read(new byte[IContentDescription.BOM_UTF_8.length]); - - in= new BufferedReader(new InputStreamReader(contentStream, encoding), BUFFER_SIZE); - StringBuffer buffer= new StringBuffer(BUFFER_SIZE); - char[] readBuffer= new char[READER_CHUNK_SIZE]; - int n= in.read(readBuffer); - while (n > 0) { - buffer.append(readBuffer, 0, n); - n= in.read(readBuffer); - } - - document.set(buffer.toString()); - - } catch (IOException x) { - String msg= x.getMessage() == null ? "" : x.getMessage(); //$NON-NLS-1$ - IStatus s= new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, msg, x); - throw new CoreException(s); - } finally { - if (in != null) { - try { - in.close(); - } catch (IOException x) { - } - } - } - } - - /** - * Checks whether the given file is synchronized with the the local file system. - * If the file has been changed, a <code>CoreException</code> is thrown. - * - * @param file the file to check - * @exception CoreException if file has been changed on the file system - */ - private void checkSynchronizationState() throws CoreException { - if (!isSynchronized()) { - Status status= new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IResourceStatus.OUT_OF_SYNC_LOCAL, FileBuffersMessages.getString("FileBuffer.error.outOfSync"), null); //$NON-NLS-1$ - throw new CoreException(status); - } - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ResourceFileBuffer.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ResourceFileBuffer.java deleted file mode 100644 index d8acbd11282..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ResourceFileBuffer.java +++ /dev/null @@ -1,426 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import java.io.File; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.resources.IResourceChangeEvent; -import org.eclipse.core.resources.IResourceChangeListener; -import org.eclipse.core.resources.IResourceDelta; -import org.eclipse.core.resources.IResourceDeltaVisitor; -import org.eclipse.core.resources.IWorkspace; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.ILog; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.OperationCanceledException; -import org.eclipse.core.runtime.Status; - -import org.eclipse.core.filebuffers.FileBuffers; - - -public abstract class ResourceFileBuffer extends AbstractFileBuffer { - - /** - * Runnable encapsulating an element state change. This runnable ensures - * that a element change failed message is sent out to the element state - * listeners in case an exception occurred. - */ - private class SafeFileChange implements Runnable { - - /** - * Creates a new safe runnable for the given file. - */ - public SafeFileChange() { - } - - /** - * Execute the change. - * Subclass responsibility. - * - * @exception an exception in case of error - */ - protected void execute() throws Exception { - } - - /** - * Does everything necessary prior to execution. - */ - public void preRun() { - fManager.fireStateChanging(ResourceFileBuffer.this); - } - - /* - * @see java.lang.Runnable#run() - */ - public void run() { - - if (isDisposed()) { - fManager.fireStateChangeFailed(ResourceFileBuffer.this); - return; - } - - try { - execute(); - } catch (Exception x) { - FileBuffersPlugin.getDefault().getLog().log(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, "Exception when synchronizing", x)); //$NON-NLS-1$ - fManager.fireStateChangeFailed(ResourceFileBuffer.this); - } - } - } - - /** - * Synchronizes the document with external resource changes. - */ - private class FileSynchronizer implements IResourceChangeListener, IResourceDeltaVisitor { - - /** A flag indicating whether this synchronizer is installed or not. */ - private boolean fIsInstalled= false; - - /** - * Creates a new file synchronizer. Is not yet installed on a file. - */ - public FileSynchronizer() { - } - - /** - * Installs the synchronizer on the file. - */ - public void install() { - fFile.getWorkspace().addResourceChangeListener(this); - fIsInstalled= true; - } - - /** - * Uninstalls the synchronizer from the file. - */ - public void uninstall() { - fFile.getWorkspace().removeResourceChangeListener(this); - fIsInstalled= false; - } - - /* - * @see IResourceChangeListener#resourceChanged(IResourceChangeEvent) - */ - public void resourceChanged(IResourceChangeEvent e) { - IResourceDelta delta= e.getDelta(); - try { - if (delta != null && fIsInstalled) - delta.accept(this); - } catch (CoreException x) { - handleCoreException(x); - } - } - - /* - * @see IResourceDeltaVisitor#visit(org.eclipse.core.resources.IResourceDelta) - */ - public boolean visit(IResourceDelta delta) throws CoreException { - - if (delta != null && fFile.equals(delta.getResource())) { - - SafeFileChange fileChange= null; - - switch (delta.getKind()) { - case IResourceDelta.CHANGED: - if ((IResourceDelta.CONTENT & delta.getFlags()) != 0) { - if (!isDisposed() && !fCanBeSaved && !isSynchronized()) { - fileChange= new SafeFileChange() { - protected void execute() throws Exception { - handleFileContentChanged(); - } - }; - } - } - break; - case IResourceDelta.REMOVED: - if ((IResourceDelta.MOVED_TO & delta.getFlags()) != 0) { - final IPath path= delta.getMovedToPath(); - fileChange= new SafeFileChange() { - protected void execute() throws Exception { - handleFileMoved(path); - } - }; - } else { - if (!isDisposed() && !fCanBeSaved) { - fileChange= new SafeFileChange() { - protected void execute() throws Exception { - handleFileDeleted(); - } - }; - } - } - break; - } - - if (fileChange != null) { - fileChange.preRun(); - fManager.execute(fileChange, fSynchronizationContextCount > 0); - } - } - - return true; // because we are sitting on files anyway - } - } - - - - /** The location */ - protected IPath fLocation; - /** The element for which the info is stored */ - protected IFile fFile; - /** How often the element has been connected */ - protected int fReferenceCount; - /** Can the element be saved */ - protected boolean fCanBeSaved= false; - /** Has element state been validated */ - protected boolean fIsStateValidated= false; - /** The status of this element */ - protected IStatus fStatus; - /** The file synchronizer. */ - protected FileSynchronizer fFileSynchronizer; - /** The time stamp at which this buffer synchronized with the underlying file. */ - protected long fSynchronizationStamp= IFile.NULL_STAMP; - /** How often the synchronization context has been requested */ - protected int fSynchronizationContextCount; - /** The text file buffer manager */ - protected TextFileBufferManager fManager; - - - - - public ResourceFileBuffer(TextFileBufferManager manager) { - super(); - fManager= manager; - } - - abstract protected void handleFileContentChanged(); - - abstract protected void addFileBufferContentListeners(); - - abstract protected void removeFileBufferContentListeners(); - - abstract protected void initializeFileBufferContent(IProgressMonitor monitor) throws CoreException; - - abstract protected void commitFileBufferContent(IProgressMonitor monitor, boolean overwrite) throws CoreException; - - public void create(IPath location, IProgressMonitor monitor) throws CoreException { - IFile file= FileBuffers.getWorkspaceFileAtLocation(location); - if (file == null || !file.exists()) - throw new CoreException(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getString("FileBuffer.error.fileDoesNotExist"), null)); //$NON-NLS-1$ - - fLocation= location; - fFile= file; - fFileSynchronizer= new FileSynchronizer(); - - refreshFile(monitor); - initializeFileBufferContent(monitor); - fSynchronizationStamp= fFile.getModificationStamp(); - - addFileBufferContentListeners(); - } - - public void connect() { - ++ fReferenceCount; - if (fReferenceCount == 1) - connected(); - } - - /** - * Called when this file buffer has been connected. This is the case when - * there is exactly one connection. - * <p> - * Clients may extend this method. - */ - protected void connected() { - fFileSynchronizer.install(); - } - - public void disconnect() throws CoreException { - -- fReferenceCount; - if (fReferenceCount == 0) - disconnected(); - } - - /** - * Called when this file buffer has been disconnected. This is the case when - * the number of connections drops to <code>0</code>. - * <p> - * Clients may extend this method. - */ - protected void disconnected() { - if (fFileSynchronizer != null) - fFileSynchronizer.uninstall(); - fFileSynchronizer= null; - } - - /** - * Returns whether this file buffer has already been disposed. - * - * @return <code>true</code> if already disposed, <code>false</code> otherwise - */ - public boolean isDisposed() { - return fFileSynchronizer == null; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#getLocation() - */ - public IPath getLocation() { - return fLocation; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#commit(org.eclipse.core.runtime.IProgressMonitor, boolean) - */ - public void commit(IProgressMonitor monitor, boolean overwrite) throws CoreException { - if (!isDisposed() && fCanBeSaved) { - - fManager.fireStateChanging(this); - - try { - commitFileBufferContent(monitor, overwrite); - } catch (CoreException x) { - fManager.fireStateChangeFailed(this); - throw x; - } catch (RuntimeException x) { - fManager.fireStateChangeFailed(this); - throw x; - } - - fCanBeSaved= false; - addFileBufferContentListeners(); - fManager.fireDirtyStateChanged(this, fCanBeSaved); - } - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#isDirty() - */ - public boolean isDirty() { - return fCanBeSaved; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#isShared() - */ - public boolean isShared() { - return fReferenceCount > 1; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#validateState(org.eclipse.core.runtime.IProgressMonitor, java.lang.Object) - */ - public void validateState(IProgressMonitor monitor, Object computationContext) throws CoreException { - if (!isDisposed() && !fIsStateValidated) { - - if (fFile.isReadOnly()) { - IWorkspace workspace= fFile.getWorkspace(); - fStatus= workspace.validateEdit(new IFile[] { fFile }, computationContext); - if (fStatus.isOK()) - handleFileContentChanged(); - } - fIsStateValidated= true; - fManager.fireStateValidationChanged(this, fIsStateValidated); - } - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#isStateValidated() - */ - public boolean isStateValidated() { - return fIsStateValidated; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#resetStateValidation() - */ - public void resetStateValidation() { - if (fIsStateValidated) { - fIsStateValidated= false; - fManager.fireStateValidationChanged(this, fIsStateValidated); - } - } - - /** - * Sends out the notification that the file serving as document input has been moved. - * - * @param newLocation the path of the new location of the file - */ - protected void handleFileMoved(IPath newLocation) { - fManager.fireUnderlyingFileMoved(this, newLocation); - } - - /** - * Sends out the notification that the file serving as document input has been deleted. - */ - protected void handleFileDeleted() { - fManager.fireUnderlyingFileDeleted(this); - } - - /** - * Refreshes the given file. - */ - protected void refreshFile(IProgressMonitor monitor) { - try { - fFile.refreshLocal(IFile.DEPTH_INFINITE, monitor); - } catch (OperationCanceledException x) { - } catch (CoreException x) { - handleCoreException(x); - } - } - - /** - * Defines the standard procedure to handle <code>CoreExceptions</code>. Exceptions - * are written to the plug-in log. - * - * @param exception the exception to be logged - * @param message the message to be logged - */ - protected void handleCoreException(CoreException exception) { - ILog log= FileBuffersPlugin.getDefault().getLog(); - log.log(exception.getStatus()); - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#isSynchronized() - */ - public boolean isSynchronized() { - return fSynchronizationStamp == fFile.getModificationStamp() && fFile.isSynchronized(IResource.DEPTH_ZERO); - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#getModificationStamp() - */ - public long getModificationStamp() { - File file= FileBuffers.getSystemFileAtLocation(getLocation()); - if (file != null) - return file.lastModified(); - return IResource.NULL_STAMP; - } - - /** - * Requests the file buffer manager's synchronization context for this file buffer. - */ - public void requestSynchronizationContext() { - ++ fSynchronizationContextCount; - } - - /** - * Releases the file buffer manager's synchronization context for this file buffer. - */ - public void releaseSynchronizationContext() { - -- fSynchronizationContextCount; - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ResourceTextFileBuffer.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ResourceTextFileBuffer.java deleted file mode 100644 index c1d7612acfc..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/ResourceTextFileBuffer.java +++ /dev/null @@ -1,523 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import java.io.BufferedReader; -import java.io.ByteArrayInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.Reader; -import java.io.StringReader; -import java.io.UnsupportedEncodingException; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IResourceStatus; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.QualifiedName; -import org.eclipse.core.runtime.Status; -import org.eclipse.core.runtime.SubProgressMonitor; -import org.eclipse.core.runtime.content.IContentDescription; - -import org.eclipse.core.filebuffers.IPersistableAnnotationModel; -import org.eclipse.core.filebuffers.ITextFileBuffer; - -import org.eclipse.jface.text.DocumentEvent; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IDocumentListener; -import org.eclipse.jface.text.source.IAnnotationModel; - -/** - * @since 3.0 - */ -public class ResourceTextFileBuffer extends ResourceFileBuffer implements ITextFileBuffer { - - - private class DocumentListener implements IDocumentListener { - - /* - * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent) - */ - public void documentAboutToBeChanged(DocumentEvent event) { - } - - /* - * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent) - */ - public void documentChanged(DocumentEvent event) { - fCanBeSaved= true; - removeFileBufferContentListeners(); - fManager.fireDirtyStateChanged(ResourceTextFileBuffer.this, fCanBeSaved); - } - } - - /** - * Reader chunk size. - */ - static final private int READER_CHUNK_SIZE= 2048; - /** - * Buffer size. - */ - static final private int BUFFER_SIZE= 8 * READER_CHUNK_SIZE; - /** - * Qualified name for the encoding key. - */ - static final private QualifiedName ENCODING_KEY= new QualifiedName(FileBuffersPlugin.PLUGIN_ID, "encoding"); //$NON-NLS-1$ - /** - * Constant for representing the OK status. This is considered a value object. - */ - static final private IStatus STATUS_OK= new Status(IStatus.OK, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getString("FileBuffer.status.ok"), null); //$NON-NLS-1$ - /** - * Constant for representing the error status. This is considered a value object. - */ - static final private IStatus STATUS_ERROR= new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.INFO, FileBuffersMessages.getString("FileBuffer.status.error"), null); //$NON-NLS-1$ - /** - * Constant denoting UTF-8 encoding. - */ - private static final String CHARSET_UTF_8= "UTF-8"; //$NON-NLS-1$ - - - /** The element's document */ - protected IDocument fDocument; - /** The encoding used to create the document from the storage or <code>null</code> for workbench encoding. */ - protected String fEncoding; - /** Internal document listener */ - protected IDocumentListener fDocumentListener= new DocumentListener(); - /** The element's annotation model */ - protected IAnnotationModel fAnnotationModel; - /** - * The encoding which has explicitly been set on the file. - */ - private String fExplicitEncoding; - /** - * Tells whether the file on disk has a BOM. - */ - private boolean fHasBOM; - - - public ResourceTextFileBuffer(TextFileBufferManager manager) { - super(manager); - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedTextFile#getDocument() - */ - public IDocument getDocument() { - return fDocument; - } - - /* - * @see org.eclipse.core.filebuffers.ITextFileBuffer#getAnnotationModel() - */ - public IAnnotationModel getAnnotationModel() { - return fAnnotationModel; - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedTextFile#getEncoding() - */ - public String getEncoding() { - return fEncoding; - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedTextFile#setEncoding(java.lang.String) - */ - public void setEncoding(String encoding) { - fEncoding= encoding; - fExplicitEncoding= encoding; - fHasBOM= false; - try { - fFile.setCharset(encoding); - if (encoding == null) - fEncoding= fFile.getCharset(); - setHasBOM(); - } catch (CoreException x) { - handleCoreException(x); - } - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedFile#getStatus() - */ - public IStatus getStatus() { - if (!isDisposed()) { - if (fStatus != null) - return fStatus; - return (fDocument == null ? STATUS_ERROR : STATUS_OK); - } - return STATUS_ERROR; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBuffer#revert(org.eclipse.core.runtime.IProgressMonitor) - */ - public void revert(IProgressMonitor monitor) throws CoreException { - if (isDisposed()) - return; - - refreshFile(monitor); - - IDocument original= null; - IStatus status= null; - - try { - original= fManager.createEmptyDocument(fFile.getLocation()); - setDocumentContent(original, fFile.getContents(), fEncoding); - } catch (CoreException x) { - status= x.getStatus(); - } - - fStatus= status; - - if (original != null) { - - String originalContents= original.get(); - boolean replaceContents= !originalContents.equals(fDocument.get()); - - if (replaceContents) { - fManager.fireBufferContentAboutToBeReplaced(this); - fDocument.set(original.get()); - } - - if (fCanBeSaved) { - fCanBeSaved= false; - addFileBufferContentListeners(); - } - - if (replaceContents) - fManager.fireBufferContentReplaced(this); - - if (fAnnotationModel instanceof IPersistableAnnotationModel) { - IPersistableAnnotationModel persistableModel= (IPersistableAnnotationModel) fAnnotationModel; - persistableModel.revert(fDocument); - } - - fManager.fireDirtyStateChanged(this, fCanBeSaved); - } - } - - /* - * @see org.eclipse.core.internal.filebuffers.FileBuffer#addFileBufferContentListeners() - */ - protected void addFileBufferContentListeners() { - if (fDocument != null) - fDocument.addDocumentListener(fDocumentListener); - } - - /* - * @see org.eclipse.core.internal.filebuffers.FileBuffer#removeFileBufferContentListeners() - */ - protected void removeFileBufferContentListeners() { - if (fDocument != null) - fDocument.removeDocumentListener(fDocumentListener); - } - - /* - * @see org.eclipse.core.internal.filebuffers.FileBuffer#initializeFileBufferContent(org.eclipse.core.runtime.IProgressMonitor) - */ - protected void initializeFileBufferContent(IProgressMonitor monitor) throws CoreException { - try { - fEncoding= null; - fExplicitEncoding= null; - try { - fEncoding= fFile.getPersistentProperty(ENCODING_KEY); - } catch (CoreException x) { - // we ignore exceptions here because we support the ENCODING_KEY property only for compatibility reasons - } - if (fEncoding != null) { - // if we found an old encoding property, we try to migrate it to the new core.resources encoding support - try { - fExplicitEncoding= fEncoding; - fFile.setCharset(fEncoding); - // if successful delete old property - fFile.setPersistentProperty(ENCODING_KEY, null); - } catch (CoreException ex) { - // log problem because we could not migrate the property successfully - handleCoreException(ex); - } - } else { - fExplicitEncoding= fFile.getCharset(false); - if (fExplicitEncoding != null) - fEncoding= fExplicitEncoding; - else - fEncoding= fFile.getCharset(); - } - - setHasBOM(); - - fDocument= fManager.createEmptyDocument(fFile.getLocation()); - setDocumentContent(fDocument, fFile.getContents(), fEncoding); - - fAnnotationModel= fManager.createAnnotationModel(fFile.getLocation()); - - } catch (CoreException x) { - fDocument= fManager.createEmptyDocument(fFile.getLocation()); - fStatus= x.getStatus(); - } - } - - /** - * Sets whether the underlying file has a BOM. - * - * @throws CoreException if reading of file's content description fails - */ - protected void setHasBOM() throws CoreException { - fHasBOM= false; - IContentDescription description= fFile.getContentDescription(); - fHasBOM= description != null && description.getProperty(IContentDescription.BYTE_ORDER_MARK) != null; - } - - /* - * @see org.eclipse.core.internal.filebuffers.ResourceFileBuffer#connected() - */ - protected void connected() { - super.connected(); - if (fAnnotationModel != null) - fAnnotationModel.connect(fDocument); - } - - /* - * @see org.eclipse.core.internal.filebuffers.ResourceFileBuffer#disconnected() - */ - protected void disconnected() { - if (fAnnotationModel != null) - fAnnotationModel.disconnect(fDocument); - super.disconnected(); - } - - /* - * @see org.eclipse.core.internal.filebuffers.FileBuffer#commitFileBufferContent(org.eclipse.core.runtime.IProgressMonitor, boolean) - */ - protected void commitFileBufferContent(IProgressMonitor monitor, boolean overwrite) throws CoreException { - String encoding= computeEncoding(); - try { - - byte[] bytes= fDocument.get().getBytes(encoding); - - /* - * XXX: - * This is a workaround for a corresponding bug in Java readers and writer, - * see: http://developer.java.sun.com/developer/bugParade/bugs/4508058.html - */ - if (fHasBOM && CHARSET_UTF_8.equals(encoding)) { - int bomLength= IContentDescription.BOM_UTF_8.length; - byte[] bytesWithBOM= new byte[bytes.length + bomLength]; - System.arraycopy(IContentDescription.BOM_UTF_8, 0, bytesWithBOM, 0, bomLength); - System.arraycopy(bytes, 0, bytesWithBOM, bomLength, bytes.length); - bytes= bytesWithBOM; - } - - InputStream stream= new ByteArrayInputStream(bytes); - if (fFile.exists()) { - - if (!overwrite) - checkSynchronizationState(); - - - // here the file synchronizer should actually be removed and afterwards added again. However, - // we are already inside an operation, so the delta is sent AFTER we have added the listener - fFile.setContents(stream, overwrite, true, monitor); - // set synchronization stamp to know whether the file synchronizer must become active - fSynchronizationStamp= fFile.getModificationStamp(); - - if (fAnnotationModel instanceof IPersistableAnnotationModel) { - IPersistableAnnotationModel persistableModel= (IPersistableAnnotationModel) fAnnotationModel; - persistableModel.commit(fDocument); - } - - } else { - - try { - monitor.beginTask("Saving", 2000); //$NON-NLS-1$ - ContainerGenerator generator = new ContainerGenerator(fFile.getWorkspace(), fFile.getParent().getFullPath()); - generator.generateContainer(new SubProgressMonitor(monitor, 1000)); - fFile.create(stream, false, new SubProgressMonitor(monitor, 1000)); - } - finally { - monitor.done(); - } - } - - } catch (UnsupportedEncodingException x) { - String message= FileBuffersMessages.getFormattedString("ResourceTextFileBuffer.error.unsupported_encoding.message_arg", encoding); //$NON-NLS-1$ - IStatus s= new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, message, x); - throw new CoreException(s); - } - } - - private String computeEncoding() { - // User-defined encoding has first priority - if (fExplicitEncoding != null) - return fExplicitEncoding; - try { - /* - * FIXME - * Check whether explicit encoding has been set via properties dialog. - * This is needed because no notification is sent when this property - * changes, see: https://bugs.eclipse.org/bugs/show_bug.cgi?id=64077 - */ - fExplicitEncoding= fFile.getCharset(false); - if (fExplicitEncoding != null) - return fExplicitEncoding; - } catch (CoreException e) { - } - - // Probe content - Reader reader= new BufferedReader(new StringReader(fDocument.get())); - try { - QualifiedName[] options= new QualifiedName[] { IContentDescription.CHARSET, IContentDescription.BYTE_ORDER_MARK }; - IContentDescription description= Platform.getContentTypeManager().getDescriptionFor(reader, fFile.getName(), options); - if (description != null) { - String encoding= description.getCharset(); - if (encoding != null) - return encoding; - } - } catch (IOException ex) { - // try next strategy - } finally { - try { - reader.close(); - } catch (IOException ex) { - FileBuffersPlugin.getDefault().getLog().log(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, FileBuffersMessages.getString("ResourceTextFileBuffer.error.closeReader"), ex)); //$NON-NLS-1$ - } - } - - // Use file's encoding if the file has a BOM - if (fHasBOM) - return fEncoding; - - // Use parent chain - try { - return fFile.getParent().getDefaultCharset(); - } catch (CoreException ex) { - // Use global default - return fManager.getDefaultEncoding(); - } - } - - /** - * Updates the element info to a change of the file content and sends out appropriate notifications. - */ - protected void handleFileContentChanged() { - if (isDisposed()) - return; - - IDocument document= fManager.createEmptyDocument(fFile.getLocation()); - IStatus status= null; - - try { - setDocumentContent(document, fFile.getContents(false), fEncoding); - } catch (CoreException x) { - status= x.getStatus(); - } - - String newContent= document.get(); - - if ( !newContent.equals(fDocument.get())) { - - fManager.fireBufferContentAboutToBeReplaced(this); - - removeFileBufferContentListeners(); - fDocument.set(newContent); - fCanBeSaved= false; - fSynchronizationStamp= fFile.getModificationStamp(); - fStatus= status; - addFileBufferContentListeners(); - - fManager.fireBufferContentReplaced(this); - - if (fAnnotationModel instanceof IPersistableAnnotationModel) { - IPersistableAnnotationModel persistableModel= (IPersistableAnnotationModel) fAnnotationModel; - try { - persistableModel.reinitialize(fDocument); - } catch (CoreException x) { - fStatus= status; - } - } - - } else { - - removeFileBufferContentListeners(); - fCanBeSaved= false; - fSynchronizationStamp= fFile.getModificationStamp(); - fStatus= status; - addFileBufferContentListeners(); - - fManager.fireDirtyStateChanged(this, fCanBeSaved); - } - } - - /** - * Intitializes the given document with the given stream using the given encoding. - * - * @param document the document to be initialized - * @param contentStream the stream which delivers the document content - * @param encoding the character encoding for reading the given stream - * @exception CoreException if the given stream can not be read - */ - private void setDocumentContent(IDocument document, InputStream contentStream, String encoding) throws CoreException { - Reader in= null; - try { - - if (encoding == null) - encoding= fManager.getDefaultEncoding(); - - /* - * XXX: - * This is a workaround for a corresponding bug in Java readers and writer, - * see: http://developer.java.sun.com/developer/bugParade/bugs/4508058.html - */ - if (fHasBOM && CHARSET_UTF_8.equals(encoding)) - contentStream.read(new byte[IContentDescription.BOM_UTF_8.length]); - - in= new BufferedReader(new InputStreamReader(contentStream, encoding), BUFFER_SIZE); - StringBuffer buffer= new StringBuffer(BUFFER_SIZE); - char[] readBuffer= new char[READER_CHUNK_SIZE]; - int n= in.read(readBuffer); - while (n > 0) { - buffer.append(readBuffer, 0, n); - n= in.read(readBuffer); - } - - document.set(buffer.toString()); - - } catch (IOException x) { - String message= (x.getMessage() != null ? x.getMessage() : ""); //$NON-NLS-1$ - IStatus s= new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, message, x); - throw new CoreException(s); - } finally { - if (in != null) { - try { - in.close(); - } catch (IOException x) { - } - } - } - } - - /** - * Checks whether the given file is synchronized with the the local file system. - * If the file has been changed, a <code>CoreException</code> is thrown. - * - * @param file the file to check - * @exception CoreException if file has been changed on the file system - */ - private void checkSynchronizationState() throws CoreException { - if (!fFile.isSynchronized(IFile.DEPTH_ZERO)) { - Status status= new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IResourceStatus.OUT_OF_SYNC_LOCAL, FileBuffersMessages.getString("FileBuffer.error.outOfSync"), null); //$NON-NLS-1$ - throw new CoreException(status); - } - } -} diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/TextFileBufferManager.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/TextFileBufferManager.java deleted file mode 100644 index c179f10286b..00000000000 --- a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/TextFileBufferManager.java +++ /dev/null @@ -1,315 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.core.internal.filebuffers; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Status; - -import org.eclipse.core.filebuffers.FileBuffers; -import org.eclipse.core.filebuffers.IAnnotationModelFactory; -import org.eclipse.core.filebuffers.IDocumentFactory; -import org.eclipse.core.filebuffers.IDocumentSetupParticipant; -import org.eclipse.core.filebuffers.IFileBuffer; -import org.eclipse.core.filebuffers.IFileBufferListener; -import org.eclipse.core.filebuffers.ISynchronizationContext; -import org.eclipse.core.filebuffers.ITextFileBuffer; -import org.eclipse.core.filebuffers.ITextFileBufferManager; - -import org.eclipse.jface.text.Assert; -import org.eclipse.jface.text.Document; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.source.IAnnotationModel; - -/** - * @since 3.0 - */ -public class TextFileBufferManager implements ITextFileBufferManager { - - private Map fFilesBuffers= new HashMap(); - private List fFileBufferListeners= new ArrayList(); - private ExtensionsRegistry fRegistry; - private ISynchronizationContext fSynchronizationContext; - - - public TextFileBufferManager() { - fRegistry= new ExtensionsRegistry(); - } - - /* - * @see org.eclipse.core.filebuffers.IFileBufferManager#connect(org.eclipse.core.runtime.IPath, org.eclipse.core.runtime.IProgressMonitor) - */ - public void connect(IPath location, IProgressMonitor monitor) throws CoreException { - Assert.isNotNull(location); - location= FileBuffers.normalizeLocation(location); - - AbstractFileBuffer fileBuffer= (AbstractFileBuffer) fFilesBuffers.get(location); - if (fileBuffer == null) { - - fileBuffer= createFileBuffer(location); - if (fileBuffer == null) - throw new CoreException(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, 0, FileBuffersMessages.getString("FileBufferManager.error.canNotCreateFilebuffer"), null)); //$NON-NLS-1$ - - fileBuffer.create(location, monitor); - fileBuffer.connect(); - fFilesBuffers.put(location, fileBuffer); - fireBufferCreated(fileBuffer); - - } else { - fileBuffer.connect(); - } - } - - /* - * @see org.eclipse.core.filebuffers.IFileBufferManager#disconnect(org.eclipse.core.runtime.IPath, org.eclipse.core.runtime.IProgressMonitor) - */ - public void disconnect(IPath location, IProgressMonitor monitor) throws CoreException { - Assert.isNotNull(location); - location= FileBuffers.normalizeLocation(location); - - AbstractFileBuffer fileBuffer= (AbstractFileBuffer) fFilesBuffers.get(location); - if (fileBuffer != null) { - fileBuffer.disconnect(); - if (fileBuffer.isDisposed()) { - fFilesBuffers.remove(location); - fireBufferDisposed(fileBuffer); - } - } - } - - private AbstractFileBuffer createFileBuffer(IPath location) { - if (!isTextFile(location)) - return null; - - if (isWorkspaceResource(location)) - return new ResourceTextFileBuffer(this); - - return new JavaTextFileBuffer(this); - } - - private boolean isWorkspaceResource(IPath location) { - return FileBuffers.getWorkspaceFileAtLocation(location) != null; - } - - private boolean isTextFile(IPath location) { - return true; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBufferManager#getFileBuffer(org.eclipse.core.runtime.IPath) - */ - public IFileBuffer getFileBuffer(IPath location) { - location= FileBuffers.normalizeLocation(location); - return (IFileBuffer) fFilesBuffers.get(location); - } - - /* - * @see org.eclipse.core.filebuffers.ITextFileBufferManager#getTextFileBuffer(org.eclipse.core.runtime.IPath) - */ - public ITextFileBuffer getTextFileBuffer(IPath location) { - location= FileBuffers.normalizeLocation(location); - return (ITextFileBuffer) fFilesBuffers.get(location); - } - - /* - * @see org.eclipse.core.buffer.text.IBufferedFileManager#getDefaultEncoding() - */ - public String getDefaultEncoding() { - return ResourcesPlugin.getEncoding(); - } - - /* - * @see org.eclipse.core.filebuffers.ITextFileBufferManager#createEmptyDocument(org.eclipse.core.runtime.IPath) - */ - public IDocument createEmptyDocument(IPath location) { - Assert.isNotNull(location); - location= FileBuffers.normalizeLocation(location); - - IDocumentFactory factory= fRegistry.getDocumentFactory(location); - - IDocument document= null; - if (factory != null) - document= factory.createDocument(); - else - document= new Document(); - - IDocumentSetupParticipant[] participants= fRegistry.getDocumentSetupParticipants(location); - if (participants != null) { - for (int i= 0; i < participants.length; i++) - participants[i].setup(document); - } - - return document; - } - - /* - * @see org.eclipse.core.filebuffers.ITextFileBufferManager#createAnnotationModel(org.eclipse.core.runtime.IPath) - */ - public IAnnotationModel createAnnotationModel(IPath location) { - Assert.isNotNull(location); - location= FileBuffers.normalizeLocation(location); - IAnnotationModelFactory factory= fRegistry.getAnnotationModelFactory(location); - if (factory != null) - return factory.createAnnotationModel(location); - return null; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBufferManager#addFileBufferListener(org.eclipse.core.filebuffers.IFileBufferListener) - */ - public void addFileBufferListener(IFileBufferListener listener) { - Assert.isNotNull(listener); - if (!fFileBufferListeners.contains(listener)) - fFileBufferListeners.add(listener); - } - - /* - * @see org.eclipse.core.filebuffers.IFileBufferManager#removeFileBufferListener(org.eclipse.core.filebuffers.IFileBufferListener) - */ - public void removeFileBufferListener(IFileBufferListener listener) { - Assert.isNotNull(listener); - fFileBufferListeners.remove(listener); - } - - /* - * @see org.eclipse.core.filebuffers.IFileBufferManager#setSynchronizationContext(org.eclipse.core.filebuffers.ISynchronizationContext) - */ - public void setSynchronizationContext(ISynchronizationContext context) { - fSynchronizationContext= context; - } - - /* - * @see org.eclipse.core.filebuffers.IFileBufferManager#requestSynchronizationContext(org.eclipse.core.runtime.IPath) - */ - public void requestSynchronizationContext(IPath location) { - Assert.isNotNull(location); - location= FileBuffers.normalizeLocation(location); - - AbstractFileBuffer fileBuffer= (AbstractFileBuffer) fFilesBuffers.get(location); - if (fileBuffer != null) - fileBuffer.requestSynchronizationContext(); - } - - /* - * @see org.eclipse.core.filebuffers.IFileBufferManager#releaseSynchronizationContext(org.eclipse.core.runtime.IPath) - */ - public void releaseSynchronizationContext(IPath location) { - Assert.isNotNull(location); - location= FileBuffers.normalizeLocation(location); - - AbstractFileBuffer fileBuffer= (AbstractFileBuffer) fFilesBuffers.get(location); - if (fileBuffer != null) - fileBuffer.releaseSynchronizationContext(); - } - - /** - * Executes the given runnable in the synchronization context of this file buffer manager. - * If there is no synchronization context connected with this manager, the runnable is - * directly executed. - * - * @param runnable the runnable to be executed - */ - public void execute(Runnable runnable, boolean requestSynchronizationContext) { - if (requestSynchronizationContext && fSynchronizationContext != null) - fSynchronizationContext.run(runnable); - else - runnable.run(); - } - - protected void fireDirtyStateChanged(IFileBuffer buffer, boolean isDirty) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.dirtyStateChanged(buffer, isDirty); - } - } - - protected void fireBufferContentAboutToBeReplaced(IFileBuffer buffer) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.bufferContentAboutToBeReplaced(buffer); - } - } - - protected void fireBufferContentReplaced(IFileBuffer buffer) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.bufferContentReplaced(buffer); - } - } - - protected void fireUnderlyingFileMoved(IFileBuffer buffer, IPath target) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.underlyingFileMoved(buffer, target); - } - } - - protected void fireUnderlyingFileDeleted(IFileBuffer buffer) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.underlyingFileDeleted(buffer); - } - } - - protected void fireStateValidationChanged(IFileBuffer buffer, boolean isStateValidated) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.stateValidationChanged(buffer, isStateValidated); - } - } - - protected void fireStateChanging(IFileBuffer buffer) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.stateChanging(buffer); - } - } - - protected void fireStateChangeFailed(IFileBuffer buffer) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.stateChangeFailed(buffer); - } - } - - protected void fireBufferCreated(IFileBuffer buffer) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.bufferCreated(buffer); - } - } - - protected void fireBufferDisposed(IFileBuffer buffer) { - Iterator e= new ArrayList(fFileBufferListeners).iterator(); - while (e.hasNext()) { - IFileBufferListener l= (IFileBufferListener) e.next(); - l.bufferDisposed(buffer); - } - } -} |