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1
11 package org.eclipse.pde.internal.core;
12
13 import java.io.File  ;
14 import java.net.MalformedURLException ;
15 import java.net.URL ;
16 import java.util.HashMap ;
17 import java.util.HashSet ;
18 import java.util.Iterator ;
19 import java.util.Set ;
20
21 import org.eclipse.core.runtime.IPath;
22 import org.eclipse.core.runtime.Path;
23 import org.eclipse.osgi.service.resolver.BundleDescription;
24 import org.eclipse.osgi.service.resolver.HostSpecification;
25 import org.eclipse.pde.core.plugin.IPluginAttribute;
26 import org.eclipse.pde.core.plugin.IPluginElement;
27 import org.eclipse.pde.core.plugin.IPluginExtension;
28 import org.eclipse.pde.core.plugin.IPluginModelBase;
29 import org.eclipse.pde.core.plugin.IPluginObject;
30 import org.eclipse.pde.core.plugin.PluginRegistry;
31 import org.eclipse.pde.internal.core.util.CoreUtility;
32
33 public class JavadocLocationManager {
34
35 public static final String JAVADOC_ID = "org.eclipse.pde.core.javadoc";
37 private HashMap fLocations;
38
39 public String getJavadocLocation(IPluginModelBase model) {
40 File file = new File (model.getInstallLocation());
41 if (file.isDirectory()) {
42 File doc = new File (file, "doc"); if (new File (doc, "package-list").exists()) return doc.getAbsolutePath();
45 } else if (CoreUtility.jarContainsResource(file, "doc/package-list", false)) { return file.getAbsolutePath() + "!/doc"; }
48 return getEntry(model);
49 }
50
51 private String getEntry(IPluginModelBase model) {
52 initialize();
53 BundleDescription desc = model.getBundleDescription();
54 if (desc != null) {
55 HostSpecification host = desc.getHost();
56 String id = host == null ? desc.getSymbolicName() : host.getName();
57 if (id != null) {
58 Iterator iter = fLocations.keySet().iterator();
59 while (iter.hasNext()) {
60 String location = iter.next().toString();
61 Set set = (Set )fLocations.get(location);
62 if (set.contains(id))
63 return location;
64 }
65 }
66 }
67 return null;
68 }
69
70 private synchronized void initialize() {
71 if (fLocations != null) return;
72 fLocations = new HashMap ();
73 IPluginModelBase[] models = PluginRegistry.getExternalModels();
74 for (int i = 0; i < models.length; i++) {
75 IPluginExtension[] extensions = models[i].getPluginBase().getExtensions();
76 for (int j = 0; j < extensions.length; j++) {
77 if (JAVADOC_ID.equals(extensions[j].getPoint()))
78 processExtension(extensions[j]);
79 }
80 }
81 }
82
83 private void processExtension(IPluginExtension extension) {
84 IPluginObject[] children = extension.getChildren();
85 for (int i = 0; i < children.length; i++) {
86 if (children[i].getName().equals("javadoc")) { IPluginElement javadoc = (IPluginElement) children[i];
88 IPluginAttribute attr = javadoc.getAttribute("path"); String path = (attr == null) ? null : attr.getValue();
90 if (path == null)
91 continue;
92 try {
93 new URL (path);
94 processPlugins(path, javadoc.getChildren());
95 } catch (MalformedURLException e) {
96 attr = javadoc.getAttribute("archive"); boolean archive = attr == null ? false : "true".equals(attr.getValue());
99 IPath modelPath = new Path(extension.getModel().getInstallLocation());
100 StringBuffer buffer = new StringBuffer ();
101 File file = modelPath.toFile();
102 if (file.exists()) {
103 try {
104 buffer.append(file.toURI().toURL());
105 } catch (MalformedURLException e1) {
106 buffer.append("file:/"); buffer.append(modelPath.toPortableString());
108 }
109 if (file.isFile()) {
110 buffer.append("!/"); archive = true;
112 }
113 }
114 buffer.append(path);
115 if (archive)
116 buffer.insert(0, "jar:"); processPlugins(buffer.toString(), javadoc.getChildren()); }
119 }
120 }
121 }
122
123 private void processPlugins(String path, IPluginObject[] plugins) {
124 for (int i = 0; i < plugins.length; i++) {
125 if (plugins[i].getName().equals("plugin")) { IPluginElement plugin = (IPluginElement)plugins[i];
127 IPluginAttribute attr = plugin.getAttribute("id"); String id = attr == null ? null : attr.getValue();
129 if (id == null)
130 continue;
131 Set set = (Set )fLocations.get(path);
132 if (set == null) {
133 set = new HashSet ();
134 fLocations.put(path, set);
135 }
136 set.add(id);
137 }
138 }
139 }
140
141 public void reset() {
142 fLocations = null;
143 }
144
145 }
146 |
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