| /******************************************************************************* |
| * Copyright (c) 2004 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.metamodelimpl; |
| |
| |
| |
| import java.net.URL; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.IExtensionRegistry; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.wst.css.core.internal.Logger; |
| import org.eclipse.wst.css.core.internal.metamodel.CSSProfile; |
| import org.osgi.framework.Bundle; |
| |
| |
| |
| public class RegistryReader { |
| |
| // |
| private String PLUGIN_ID = "org.eclipse.wst.sse.core"; //$NON-NLS-1$ |
| private String EXTENSION_POINT_ID = "cssprofile"; //$NON-NLS-1$ |
| private String TAG_NAME = "profile"; //$NON-NLS-1$ |
| private String ATT_ID = "id"; //$NON-NLS-1$ |
| private String ATT_NAME = "name"; //$NON-NLS-1$ |
| private String ATT_URI = "uri"; //$NON-NLS-1$ |
| private String ATT_DEFAULT = "default"; //$NON-NLS-1$ |
| private String ATT_LOGGING = "logging"; // Hidden Option //$NON-NLS-1$ |
| |
| /** |
| * Constructor for CSSMetaModelRegistryReader. |
| */ |
| public RegistryReader() { |
| super(); |
| } |
| |
| /** |
| * |
| */ |
| protected CSSProfile readElement(IConfigurationElement element) { |
| CSSProfileImpl info = null; |
| if (element.getName().equals(TAG_NAME)) { |
| String strID = element.getAttribute(ATT_ID); |
| String strNAME = element.getAttribute(ATT_NAME); |
| String strURI = element.getAttribute(ATT_URI); |
| |
| if (strID != null || strURI != null) { |
| Bundle bundle = null; |
| String pluginId = element.getDeclaringExtension().getNamespace(); |
| bundle = Platform.getBundle(pluginId); |
| if (bundle != null) { |
| Path path = new Path(strURI); |
| URL url = Platform.find(bundle, path); |
| if (url != null) { |
| try { |
| url = Platform.asLocalURL(url); |
| info = new CSSProfileImpl(strID, url); |
| info.setProfileName(strNAME); |
| info.setDefault((element.getAttribute(ATT_DEFAULT) != null)); |
| info.setLogging((element.getAttribute(ATT_LOGGING) != null)); |
| info.setOwnerPluginID(pluginId); |
| } |
| catch (java.io.IOException e) { |
| // through |
| } |
| } |
| } |
| } |
| |
| if (info == null) { |
| Logger.log(Logger.ERROR, "Error reading CSS Profile: " + strID); //$NON-NLS-1$ |
| } |
| } |
| return info; |
| } |
| |
| /** |
| * We simply require an 'add' method, of what ever it is we are to read |
| * into |
| */ |
| public Iterator enumProfiles() { |
| Set set = new HashSet(); |
| IExtensionRegistry registry = Platform.getExtensionRegistry(); |
| IExtensionPoint point = registry.getExtensionPoint(PLUGIN_ID, EXTENSION_POINT_ID); |
| if (point != null) { |
| IConfigurationElement[] elements = point.getConfigurationElements(); |
| for (int i = 0; i < elements.length; i++) { |
| CSSProfile info = readElement(elements[i]); |
| // null can be returned if there's an error reading the |
| // element |
| if (info != null) { |
| set.add(info); |
| } |
| } |
| } |
| return set.iterator(); |
| } |
| |
| } |