diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/XMLViewObjectMappingService.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/XMLViewObjectMappingService.java | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/XMLViewObjectMappingService.java b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/XMLViewObjectMappingService.java deleted file mode 100644 index 855aad4ca..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/XMLViewObjectMappingService.java +++ /dev/null @@ -1,382 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2008 Oracle 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: - * Oracle Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.jsf.designtime.internal.view; - -import java.io.IOException; -import java.io.Serializable; -import java.util.Collections; -import java.util.HashMap; -import java.util.Map; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.Path; -import org.eclipse.jst.jsf.common.dom.TagIdentifier; -import org.eclipse.jst.jsf.common.runtime.internal.model.ViewObject; -import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory; -import org.eclipse.jst.jsf.context.resolver.structureddocument.IWorkspaceContextResolver; -import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext; -import org.eclipse.jst.jsf.core.internal.JSFCorePlugin; -import org.eclipse.jst.jsf.core.internal.region.Region2ElementAdapter; -import org.eclipse.jst.jsf.core.internal.region.Region2ElementAdapter.NoElementException; -import org.eclipse.jst.jsf.core.internal.tld.TagIdentifierFactory; -import org.eclipse.wst.sse.core.StructuredModelManager; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.w3c.dom.Element; - -/** - * @author cbateman - * - */ -public final class XMLViewObjectMappingService implements Serializable -{ - /** - * - */ - private static final long serialVersionUID = -5371998199186683997L; - private final Map<ElementData, ViewObject> _elementToViewObjMap; - private final Map<ViewObject, ElementData> _viewObjToElementMap; - - /** - * - */ - public XMLViewObjectMappingService() - { - _elementToViewObjMap = new HashMap<ElementData, ViewObject>(); - _viewObjToElementMap = new HashMap<ViewObject, ElementData>(); - } - - /** - * @param elementData - * @param viewObject - */ - public void createMapping(final ElementData elementData, - final ViewObject viewObject) - { - if (elementData == null) - { - throw new IllegalArgumentException("elementData cannot be null"); //$NON-NLS-1$ - } - else if (viewObject == null) - { - throw new IllegalArgumentException("viewObject cannot be null"); //$NON-NLS-1$ - } - - synchronized(this) - { - _elementToViewObjMap.put(elementData, viewObject); - _viewObjToElementMap.put(viewObject, elementData); - } - } - - /** - * Remove all mappings - */ - public void clearMappings() - { - synchronized (this) - { - _elementToViewObjMap.clear(); - _viewObjToElementMap.clear(); - } - } - - /** - * @param elementData - * @return the view object for which the mapping was removed - */ - public ViewObject removeMapping(final ElementData elementData) - { - if (elementData == null) - { - throw new IllegalArgumentException("elementData mustn't be null"); //$NON-NLS-1$ - } - - ViewObject viewObject = null; - synchronized(this) - { - viewObject = _elementToViewObjMap.remove(elementData); - if (viewObject != null) - { - _viewObjToElementMap.remove(viewObject); - } - } - return viewObject; - } - - /** - * @param viewObject - * @return the element data for which the mapping was removed - */ - public ElementData removeMapping(final ViewObject viewObject) - { - if (viewObject == null) - { - throw new IllegalArgumentException("elementData mustn't be null"); //$NON-NLS-1$ - } - - ElementData elementData = null; - synchronized(this) - { - elementData = _viewObjToElementMap.remove(viewObject); - if (elementData != null) - { - _elementToViewObjMap.remove(elementData); - } - } - return elementData; - } - - /** - * @param viewObject - * @return the element data for the view object - */ - public synchronized ElementData findElementData(final ViewObject viewObject) - { - return _viewObjToElementMap.get(viewObject); - } - - /** - * @param viewObject - * @return the element for the viewObject - */ - public Element findElement(final ViewObject viewObject) - { - final ElementData elementData = findElementData(viewObject); - - if (elementData != null) - { - final IFile file = ResourcesPlugin.getWorkspace().getRoot() - .getFile(new Path(elementData.getDocumentPath())); - - if (file != null && file.isAccessible()) - { - IStructuredModel model = null; - try - { - model = StructuredModelManager.getModelManager() - .getModelForRead(file); - final IStructuredDocument sDoc = model - .getStructuredDocument(); - final IStructuredDocumentRegion region = sDoc - .getRegionAtCharacterOffset(elementData - .getStartOffset()); - final Region2ElementAdapter adapter = new Region2ElementAdapter( - region); - final TagIdentifier tagId = adapter.getTagId(); - if (tagId.equals(elementData.getTagId())) - { - return adapter.getElement(); - } - } - catch (CoreException ce) - { - JSFCorePlugin.log(ce, - "While finding element for viewObject: " //$NON-NLS-1$ - + viewObject.toString() + " in " //$NON-NLS-1$ - + file.getFullPath()); - } - catch (IOException e) - { - JSFCorePlugin.log(e, - "While finding element for viewObject: " //$NON-NLS-1$ - + viewObject.toString() + " in " //$NON-NLS-1$ - + file.getFullPath()); - } - catch (NoElementException e) - { - JSFCorePlugin.log(e, - "While finding element for viewObject: " //$NON-NLS-1$ - + viewObject.toString() + " in " //$NON-NLS-1$ - + file.getFullPath()); - } - finally - { - if (model != null) - { - model.releaseFromRead(); - } - } - } - } - return null; - } - - /** - * @param elementData - * @return the mapped view object for elementData or null if not found. - */ - public synchronized ViewObject findViewObject(final ElementData elementData) - { - return _elementToViewObjMap.get(elementData); - } - - /** - * @param namespace - * @param tagName - * @param context - * @param attributeToPropertyMap - * @return a new Element data for the namespace/element name in 'context' - */ - public static ElementData createElementData(final String namespace, - final String tagName, final IStructuredDocumentContext context, - final Map<String, String> attributeToPropertyMap) - { - final IFile file = getFile(context); - final int offset = context.getDocumentPosition(); - - if (file != null && file.isAccessible() && offset > -1 - && tagName != null && namespace != null) - { - return new ElementData(offset, file.getFullPath().toString(), - TagIdentifierFactory - .createJSPTagWrapper(namespace, tagName), - attributeToPropertyMap); - } - return null; - } - - private static IFile getFile(final IStructuredDocumentContext context) - { - final IWorkspaceContextResolver resolver = IStructuredDocumentContextResolverFactory.INSTANCE - .getWorkspaceContextResolver(context); - IResource res = resolver.getResource(); - if (res instanceof IFile) - { - return (IFile) res; - } - // fall through. - return null; - } - - /** - * Describes enough information about an element instance to look it up - * again, without storing possibly transient references to it. - * - * @author cbateman - * - */ - public final static class ElementData implements Serializable - { - /** - * serializable id - */ - private static final long serialVersionUID = 7937312530318827977L; - - private transient TagIdentifier _tagId; - private Map<String, String> _attributeToPropertyMap; - private String _documentPath; - private int _startOffset; - - /** - * @param startOffset - * @param documentPath - * @param tagId - * @param attributeToPropertyMap constructor takes copy of map - */ - private ElementData(final int startOffset, final String documentPath, - final TagIdentifier tagId, Map<String, String> attributeToPropertyMap) - { - super(); - _startOffset = startOffset; - - _tagId = tagId; - _documentPath = documentPath; - _attributeToPropertyMap = Collections.unmodifiableMap( - new HashMap<String,String>(attributeToPropertyMap)); - } - - /** - * Default constructor - */ - protected ElementData() - { - // for serialization - } - - /** - * @return the tag identifier for this element - */ - public final TagIdentifier getTagId() - { - return _tagId; - } - - /** - * @param forTagAttribute - * @return the name of the view object property that forTagAttribute - * maps to on this element or null if none. - */ - public final String getPropertyName(final String forTagAttribute) - { - return _attributeToPropertyMap.get(forTagAttribute); - } - - final int getStartOffset() - { - return _startOffset; - } - - final String getDocumentPath() - { - return _documentPath; - } - - private void writeObject(final java.io.ObjectOutputStream out) - throws IOException - { - out.defaultWriteObject(); - out.writeObject(_tagId.getUri()); - out.writeObject(_tagId.getTagName()); - } - - private void readObject(final java.io.ObjectInputStream in) - throws IOException, ClassNotFoundException - { - in.defaultReadObject(); - final String uri = (String) in.readObject(); - final String tagName = (String) in.readObject(); - _tagId = TagIdentifierFactory.createJSPTagWrapper(uri, tagName); - } - - @Override - public boolean equals(final Object obj) - { - if (this == obj) - { - return true; - } - if (obj instanceof ElementData) - { - final ElementData other = (ElementData) obj; - return _startOffset == other._startOffset - && _documentPath.equals(other._documentPath) - && _tagId.equals(other._tagId); - } - return false; - } - - @Override - public int hashCode() - { - int hashCode = _tagId.hashCode(); - hashCode ^= _documentPath.hashCode(); - // startOffsets will generally fit in the first 10 bits, so mix - // it up a bit. - hashCode ^= ~(_startOffset * 104551); - return hashCode; - } - } -} |