diff options
Diffstat (limited to 'bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLModelProviderCSS.java')
| -rw-r--r-- | bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLModelProviderCSS.java | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLModelProviderCSS.java b/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLModelProviderCSS.java deleted file mode 100644 index ef180d7237..0000000000 --- a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLModelProviderCSS.java +++ /dev/null @@ -1,387 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2006 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.wst.css.core.internal.util; - - - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.IOException; -import java.io.InputStream; -import java.io.UnsupportedEncodingException; -import java.net.MalformedURLException; -import java.net.URL; -import java.nio.charset.UnsupportedCharsetException; - -import org.eclipse.core.resources.IContainer; -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IProject; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.resources.IWorkspaceRoot; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.Path; -import org.eclipse.wst.sse.core.StructuredModelManager; -import org.eclipse.wst.sse.core.internal.encoding.EncodingRule; -import org.eclipse.wst.sse.core.internal.provisional.IModelManager; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.exceptions.ResourceAlreadyExists; -import org.eclipse.wst.sse.core.internal.provisional.exceptions.ResourceInUse; -import org.eclipse.wst.sse.core.internal.util.PathHelper; -import org.eclipse.wst.sse.core.internal.util.ProjectResolver; -import org.eclipse.wst.sse.core.internal.util.URIResolver; - -/** - */ -public class URLModelProviderCSS { - - private static final int GET_MODEL_FOR_READ = 1; - // private static final int GET_NEW_MODEL_FOR_READ = 2; - private static final int GET_MODEL_FOR_EDIT = 3; - // private static final int GET_NEW_MODEL_FOR_EDIT = 4; - // private static final int READ_BUFFER_SIZE = 4096; - // IModelManager - private IModelManager modelManager = null; - - /** - */ - public URLModelProviderCSS() { - super(); - - // obtain model manager - modelManager = StructuredModelManager.getModelManager(); - } - - /** - * Calculate ID from a filename. This must be same as - * FileModelProvider.calculateId(IFile) - */ - private static String calculateId(IPath fullIPath) { - return fullIPath.toString(); - } - - /** - * <code>baseModel</code>: the model containing the link - * <code>ref</code>: the link URL string - */ - private IStructuredModel getCommonModelFor(final IStructuredModel baseModel, final String ref, final int which) throws IOException { - // first, create absolute url - String absURL = resolveURI(baseModel, ref, true); - if ((absURL == null) || (absURL.length() == 0)) { - return null; - } - - // need to remove file:// scheme if necessary - try { - final URL aURL = new URL(absURL); - // An actual URL was given, only file:/// is supported - // resolve it by finding the file it points to - if (!aURL.getProtocol().equals("platform")) { //$NON-NLS-1$ - if (aURL.getProtocol().equals("file") && (aURL.getHost().equals("localhost") || aURL.getHost().length() == 0)) { //$NON-NLS-2$//$NON-NLS-1$ - absURL = aURL.getFile(); - final IPath ipath = new Path(absURL); - // if path has a device, and if it begins with - // IPath.SEPARATOR, remove it - final String device = ipath.getDevice(); - if ((device != null) && (device.length() > 0)) { - if (device.charAt(0) == IPath.SEPARATOR) { - final String newDevice = device.substring(1); - absURL = ipath.setDevice(newDevice).toString(); - } - } - - } - } - } - catch (MalformedURLException mfuExc) { - } - - // next, decide project - IProject project = null; - final IPath fullIPath = new Path(absURL); - IWorkspaceRoot workspace = ResourcesPlugin.getWorkspace().getRoot(); - IContainer container = workspace.getContainerForLocation(fullIPath); - if (container != null) { - // fullIPath doesn't exist in workspace - project = container.getProject(); - } - - // If HTML document has a link to an extern CSS which is not in - // IProject - // workspace.getContainerForLoation() may return null. We need to take - // care - // of this case - - // now, get absURL's IFile - if ((project != null) && (project.getLocation().isPrefixOf(fullIPath) == false)) { - // it's at outside of Project - return null; - } - - IStructuredModel model = null; - if (project != null) { - IPath filePath = fullIPath.removeFirstSegments(project.getLocation().segmentCount()); - IFile file = (filePath != null && !filePath.isEmpty()) ? project.getFile(filePath) : null; - if (file == null) { - return null; - } - - // obtain model - if (which == GET_MODEL_FOR_EDIT) { - model = getModelForEdit(file); - } - else if (which == GET_MODEL_FOR_READ) { - model = getModelForRead(file); - } - - // setting synchronization stamp is IModelManager's client's - // responsibility - if (model != null && model.getSynchronizationStamp() == IResource.NULL_STAMP) - model.resetSynchronizationStamp(file); - } - else { - String id = null; - InputStream inStream = null; - // obtain resolver - URIResolver resolver = (project != null) ? (URIResolver) project.getAdapter(URIResolver.class) : null; - if (resolver == null) { - // ProjectResolver can take care of the case if project is - // null. - resolver = new ProjectResolver(project); - } - if (resolver == null) { - return null; - } - - // there is no project. we can't expect IProject help to create - // id/inputStream - File file = fullIPath.toFile(); - - // obatin id - id = calculateId(fullIPath); - - // obtain InputStream - try { - inStream = new FileInputStream(file); - } - catch (FileNotFoundException fnfe) { - // the file does not exist, or we don't have read permission - return null; - } - - // obtain model - try { - if (which == GET_MODEL_FOR_EDIT) { - model = getModelManager().getModelForEdit(id, inStream, resolver); - } - else if (which == GET_MODEL_FOR_READ) { - model = getModelManager().getModelForRead(id, inStream, resolver); - } - } - catch (UnsupportedEncodingException ue) { - } - catch (IOException ioe) { - } - finally { - // close now ! - if (inStream != null) { - inStream.close(); - } - } - } - - // set locationid - if (model != null && model.getBaseLocation() == null) { - model.setBaseLocation(fullIPath.toString()); - } - - return model; - } - - /** - * <code>baseModel</code>: the model containing the link - * <code>ref</code>: the link URL string - */ - public IStructuredModel getModelForEdit(IStructuredModel baseModel, String ref) throws IOException { - return getCommonModelFor(baseModel, ref, GET_MODEL_FOR_EDIT); - } - - /** - */ - private IStructuredModel getModelForEdit(IFile file) throws IOException { - if (file == null) - return null; - IModelManager manager = getModelManager(); - - // create a fake InputStream - IStructuredModel model = null; - try { - model = manager.getModelForEdit(file); - } - catch (UnsupportedCharsetException ex) { - try { - model = manager.getModelForEdit(file, EncodingRule.FORCE_DEFAULT); - } - catch (IOException ioe) { - } - catch (CoreException ce) { - } - } - catch (CoreException ce) { - } - return model; - } - - /** - * <code>baseModel</code>: the model containing the link - * <code>ref</code>: the link URL string - */ - public IStructuredModel getModelForRead(IStructuredModel baseModel, String ref) throws UnsupportedEncodingException, IOException { - return getCommonModelFor(baseModel, ref, GET_MODEL_FOR_READ); - } - - /** - */ - private IStructuredModel getModelForRead(IFile file) throws IOException { - if (file == null) - return null; - IModelManager manager = getModelManager(); - - // create a fake InputStream - IStructuredModel model = null; - try { - model = manager.getModelForRead(file); - } - catch (UnsupportedCharsetException ex) { - try { - model = manager.getModelForRead(file, EncodingRule.FORCE_DEFAULT); - } - catch (IOException ioe) { - } - catch (CoreException ce) { - } - } - catch (CoreException ce) { - } - return model; - } - - /** - */ - private IModelManager getModelManager() { - return modelManager; - } - - public IStructuredModel getNewModelForEdit(IFile iFile) { - if (iFile == null) - return null; - IModelManager manager = getModelManager(); - if (manager == null) - return null; - - IStructuredModel model = null; - try { - model = manager.getNewModelForEdit(iFile, false); - } - catch (IOException ex) { - } - catch (ResourceInUse riu) { - } - catch (ResourceAlreadyExists rae) { - } - catch (CoreException ce) { - } - return model; - } - - public IStructuredModel getNewModelForRead(IFile iFile) { - if (iFile == null) - return null; - IModelManager manager = getModelManager(); - if (manager == null) - return null; - - IStructuredModel model = null; - try { - model = manager.getNewModelForEdit(iFile, false); - } - catch (IOException ex) { - } - catch (ResourceInUse riu) { - } - catch (ResourceAlreadyExists rae) { - } - catch (CoreException ce) { - } - return model; - } - - /** - * <code>baseModel</code>: the model containing the link - * <code>ref</code>: the link URL string - * <code>resolveCrossProjectLinks</code>: If resolveCrossProjectLinks - * is set to true, then this method will properly resolve the URI if it is - * a valid URI pointing to another (appropriate) project. - */ - public static String resolveURI(IStructuredModel baseModel, String ref, boolean resolveCrossProjectLinks) { - if (baseModel == null) - return null; - - // get resolver in Model - final URIResolver resolver = baseModel.getResolver(); - - // resolve to absolute url - final String absurl = (resolver != null) ? resolver.getLocationByURI(ref, resolveCrossProjectLinks) : null; - if ((resolver != null) && (absurl == null) && (ref != null) && (ref.trim().length() > 0) && (ref.trim().charAt(0) == '/')) { - // to reach here means : - // ref is a Docroot relative - // resolver can't resolve ref - // so that href is a broken and should not create model - return null; - } - if ((absurl != null) && (absurl.length() > 0)) { - return absurl; - } - - // maybe ref is at outside of the Project - // obtain docroot; - final IContainer container = (resolver != null) ? resolver.getRootLocation() : null; - String docroot = null; - if (container != null) { - docroot = container.getLocation().toString(); - } - if (docroot == null) { - docroot = baseModel.getBaseLocation(); - } - if (docroot == null) { - // should not be - return null; - } - - // obtain document url - String modelBaseLocation = baseModel.getBaseLocation(); - if ((modelBaseLocation == null) || (modelBaseLocation.length() == 0)) { - // fallback... - modelBaseLocation = baseModel.getId(); - } - if ((modelBaseLocation == null) || (modelBaseLocation.length() == 0)) { - // i can't resolve uri ! - return null; - } - - // resolve url - URLHelper helper = new URLHelper(PathHelper.getContainingFolderPath(modelBaseLocation), PathHelper.getContainingFolderPath(PathHelper.appendTrailingURLSlash(docroot))); - return helper.toAbsolute(ref); - } - -} |