| /******************************************************************************* |
| * Copyright (c) 2002, 2006, 2007 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 - Initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * Gerry Kessler/Oracle - code borrowed and repurposed for JSF subproject |
| * |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.common.metadata.internal; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.IExtensionRegistry; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jst.jsf.common.JSFCommonPlugin; |
| |
| |
| /** |
| * This class reads the standardMetaDataFiles extensions adds each specified standard metadata |
| * file to the StandardMetaDataFileRegistry. |
| * |
| * @see StandardMetaDataFileRegistry |
| * also see StandardMetaDataFile extension-point |
| */ |
| public class StandardMetaDataFileRegistryReader { |
| /** |
| * EXTENSION POINT ID |
| */ |
| protected static final String EXTENSION_POINT_ID = "standardMetaDataFiles"; //$NON-NLS-1$ |
| /** |
| * IConfigurationElement element name |
| */ |
| protected static final String TAG_NAME = "StandardMetaDataFile"; //$NON-NLS-1$ |
| /** |
| * Uri attribute name for IConfigurationElement |
| */ |
| protected static final String ATT_URI = "uri"; //$NON-NLS-1$ |
| /** |
| * Location attribute name for IConfigurationElement |
| */ |
| protected static final String ATT_LOCATION = "location"; //$NON-NLS-1$ |
| /** |
| * Locator attribute name for IConfigurationElement |
| */ |
| protected static final String ATT_LOCATOR = "locator"; //$NON-NLS-1$ |
| |
| private StandardMetaDataFileRegistry annotationFileRegistry; |
| |
| /** |
| * Constructor |
| * @param registry |
| */ |
| public StandardMetaDataFileRegistryReader(StandardMetaDataFileRegistry registry) { |
| this.annotationFileRegistry = registry; |
| } |
| |
| /** |
| * read the registery |
| */ |
| public void readRegistry() { |
| IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry(); |
| IExtensionPoint point = extensionRegistry.getExtensionPoint(JSFCommonPlugin.PLUGIN_ID, EXTENSION_POINT_ID); |
| if (point != null) { |
| IConfigurationElement[] elements = point.getConfigurationElements(); |
| for (int i = 0; i < elements.length; i++) { |
| readElement(elements[i]); |
| } |
| } |
| } |
| |
| private void readElement(IConfigurationElement element) { |
| if (element.getName().equalsIgnoreCase(TAG_NAME)) { |
| String uri = element.getAttribute(ATT_URI); |
| String location = element.getAttribute(ATT_LOCATION); |
| String locator = element.getAttribute(ATT_LOCATOR); |
| String bundleId = null; |
| if (uri != null && location != null) { |
| try { |
| bundleId = element.getContributor().getName(); |
| StandardMetaDataFileInfo fileInfo = new StandardMetaDataFileInfo(location, bundleId, locator); |
| annotationFileRegistry.addStandardMetaDataFileInfo(uri, fileInfo); |
| } |
| catch (Exception e) { |
| JSFCommonPlugin.log(IStatus.ERROR, "Internal Error: exception occurred while reading StandardMetaDataFile ext-pt: "+location + ":"+uri, e); //$NON-NLS-1$ //$NON-NLS-2$ } |
| } |
| } |
| } |
| } |
| } |