| /******************************************************************************* |
| * Copyright (c) 2001, 2005 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.core.internal.commentelement.impl; |
| |
| |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.IExtensionRegistry; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.wst.xml.core.internal.commentelement.CommentElementHandler; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement; |
| |
| |
| /** |
| */ |
| public class CommentElementRegistry { |
| |
| private static CommentElementRegistry fInstance = null; |
| |
| public synchronized static CommentElementRegistry getInstance() { |
| if (fInstance == null) { |
| fInstance = new CommentElementRegistry(); |
| } |
| return fInstance; |
| } |
| |
| private String EXTENSION_POINT_ID = "commentElementHandler"; //$NON-NLS-1$ |
| private CommentElementConfiguration[] fConfigurations = null; |
| |
| private String PLUGIN_ID = "org.eclipse.wst.sse.core"; //$NON-NLS-1$ |
| |
| /** |
| * Constructor for CommentElementRegistry. |
| */ |
| private CommentElementRegistry() { |
| super(); |
| } |
| |
| public CommentElementConfiguration[] getConfigurations() { |
| if (fConfigurations == null) { |
| IExtensionRegistry registry = Platform.getExtensionRegistry(); |
| IExtensionPoint point = registry.getExtensionPoint(PLUGIN_ID, EXTENSION_POINT_ID); |
| if (point != null) { |
| IConfigurationElement[] elements = point.getConfigurationElements(); |
| fConfigurations = new CommentElementConfiguration[elements.length]; |
| for (int i = 0; i < elements.length; i++) { |
| fConfigurations[i] = new CommentElementConfiguration(elements[i]); |
| } |
| } |
| if (fConfigurations == null) { |
| fConfigurations = new CommentElementConfiguration[0]; |
| } |
| } |
| return fConfigurations; |
| } |
| |
| public boolean setupCommentElement(IDOMElement element) { |
| CommentElementConfiguration configurations[] = getConfigurations(); |
| int length = configurations.length; |
| for (int i = 0; i < length; i++) { |
| CommentElementConfiguration conf = configurations[i]; |
| boolean isJSP = element.isJSPTag(); |
| if (isJSP && conf.acceptJSPComment() || !isJSP && conf.acceptXMLComment()) { |
| CommentElementHandler handler = conf.getHandler(); |
| if (handler.isCommentElement(element)) { |
| conf.setupCommentElement(element); |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| } |