| /******************************************************************************* |
| * Copyright (c) 2005, 2011 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.pde.internal.core; |
| |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.osgi.service.resolver.BundleDescription; |
| import org.eclipse.osgi.service.resolver.HostSpecification; |
| import org.eclipse.pde.core.plugin.IPluginModelBase; |
| import org.eclipse.pde.core.plugin.PluginRegistry; |
| import org.eclipse.pde.internal.core.platform.IDevelopmentPlatform; |
| import org.eclipse.pde.internal.core.util.CoreUtility; |
| |
| public class JavadocLocationManager { |
| |
| public static final String JAVADOC_ID = "org.eclipse.pde.core.javadoc"; //$NON-NLS-1$ |
| |
| private HashMap fLocations; |
| |
| /** |
| * Development platform to initialize javadoc locations from |
| */ |
| private IDevelopmentPlatform fDevelopmentPlatform; |
| |
| /** |
| * Constructor for a javadoc location manager. Requires a development platform to collect |
| * extension entries. The entries are not initialized until required to lookup javadoc. |
| * |
| * @param developmentPlatform development platform to access extensions from |
| */ |
| public JavadocLocationManager(IDevelopmentPlatform developmentPlatform) { |
| fDevelopmentPlatform = developmentPlatform; |
| } |
| |
| public String getJavadocLocation(IPluginModelBase model) { |
| try { |
| File file = new File(model.getInstallLocation()); |
| if (file.isDirectory()) { |
| File doc = new File(file, "doc"); //$NON-NLS-1$ |
| if (new File(doc, "package-list").exists()) //$NON-NLS-1$ |
| return doc.toURL().toString(); |
| } else if (CoreUtility.jarContainsResource(file, "doc/package-list", false)) { //$NON-NLS-1$ |
| return "jar:" + file.toURL().toString() + "!/doc"; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| return getEntry(model); |
| } catch (MalformedURLException e) { |
| PDECore.log(e); |
| return null; |
| } |
| } |
| |
| private synchronized String getEntry(IPluginModelBase model) { |
| initialize(); |
| BundleDescription desc = model.getBundleDescription(); |
| if (desc != null) { |
| HostSpecification host = desc.getHost(); |
| String id = host == null ? desc.getSymbolicName() : host.getName(); |
| if (id != null) { |
| Iterator iter = fLocations.keySet().iterator(); |
| while (iter.hasNext()) { |
| String location = iter.next().toString(); |
| Set set = (Set) fLocations.get(location); |
| if (set.contains(id)) |
| return location; |
| } |
| } |
| } |
| return null; |
| } |
| |
| private synchronized void initialize() { |
| if (fLocations != null) |
| return; |
| fLocations = new HashMap(); |
| if (fDevelopmentPlatform != null && fDevelopmentPlatform.isInitialized()) { |
| IExtension[] extensions = fDevelopmentPlatform.getExtensionRegistry().findExtensions(JAVADOC_ID, false); |
| for (int i = 0; i < extensions.length; i++) { |
| IPluginModelBase base = PluginRegistry.findModel(extensions[i].getContributor().getName()); |
| // only search external models |
| if (base == null || base.getUnderlyingResource() != null) |
| continue; |
| processExtension(extensions[i], base); |
| } |
| } |
| } |
| |
| private void processExtension(IExtension extension, IPluginModelBase base) { |
| IConfigurationElement[] children = extension.getConfigurationElements(); |
| for (int i = 0; i < children.length; i++) { |
| if (children[i].getName().equals("javadoc")) { //$NON-NLS-1$ |
| String path = children[i].getAttribute("path"); //$NON-NLS-1$ |
| if (path == null) |
| continue; |
| try { |
| new URL(path); |
| processPlugins(path, children[i].getChildren()); |
| } catch (MalformedURLException e) { |
| String attr = children[i].getAttribute("archive"); //$NON-NLS-1$ |
| boolean archive = attr == null ? false : "true".equals(attr); //$NON-NLS-1$ |
| |
| IPath modelPath = new Path(base.getInstallLocation()); |
| StringBuffer buffer = new StringBuffer(); |
| File file = modelPath.toFile(); |
| if (file.exists()) { |
| try { |
| buffer.append(file.toURI().toURL()); |
| } catch (MalformedURLException e1) { |
| buffer.append("file:/"); //$NON-NLS-1$ |
| buffer.append(modelPath.toPortableString()); |
| } |
| if (file.isFile()) { |
| buffer.append("!/"); //$NON-NLS-1$ |
| archive = true; |
| } |
| } |
| buffer.append(path); |
| if (archive) { |
| buffer.insert(0, "jar:"); //$NON-NLS-1$ |
| if (buffer.indexOf("!") == -1) { //$NON-NLS-1$ |
| buffer.append("!/"); //$NON-NLS-1$ |
| } |
| } |
| processPlugins(buffer.toString(), children[i].getChildren()); |
| } |
| } |
| } |
| } |
| |
| private void processPlugins(String path, IConfigurationElement[] plugins) { |
| for (int i = 0; i < plugins.length; i++) { |
| if (plugins[i].getName().equals("plugin")) { //$NON-NLS-1$ |
| String id = plugins[i].getAttribute("id"); //$NON-NLS-1$ |
| if (id == null) |
| continue; |
| Set set = (Set) fLocations.get(path); |
| if (set == null) { |
| set = new HashSet(); |
| fLocations.put(path, set); |
| } |
| set.add(id); |
| } |
| } |
| } |
| |
| } |