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1
19
20 package org.netbeans.modules.java.j2seplatform.platformdefinition;
21 import java.beans.PropertyChangeEvent  ;
22
23 import java.beans.PropertyChangeListener ;
24
25
26 import java.net.MalformedURLException ;
27 import java.net.URI ;
28 import java.net.URISyntaxException ;
29 import java.net.URL ;
30 import java.util.ArrayList ;
31 import java.util.Iterator ;
32 import javax.swing.event.ChangeEvent ;
33
34 import javax.swing.event.ChangeListener ;
35 import org.netbeans.api.java.classpath.ClassPath;
36 import org.netbeans.api.java.platform.JavaPlatform;
37 import org.netbeans.api.java.platform.JavaPlatformManager;
38 import org.netbeans.api.java.queries.JavadocForBinaryQuery;
39 import org.netbeans.spi.java.queries.JavadocForBinaryQueryImplementation;
40 import org.openide.ErrorManager;
41 import org.openide.filesystems.FileObject;
42 import org.openide.filesystems.FileStateInvalidException;
43
44 import org.openide.filesystems.URLMapper;
45
46 import org.openide.util.WeakListeners;
47
48
51 public class JavadocForBinaryQueryPlatformImpl implements JavadocForBinaryQueryImplementation {
52
53 private static final int STATE_ERROR = -1;
54 private static final int STATE_START = 0;
55 private static final int STATE_DOCS = 1;
56 private static final int STATE_LAN = 2;
57 private static final int STATE_API = 3;
58 private static final int STATE_INDEX = 4;
59
60 private static final String NAME_DOCS = "docs"; private static final String NAME_JA = "ja"; private static final String NAME_API = "api"; private static final String NAME_IDNEX ="index-files";
65
66 public JavadocForBinaryQueryPlatformImpl() {
67 }
68
69 public JavadocForBinaryQuery.Result findJavadoc(final URL b) {
70 class R implements JavadocForBinaryQuery.Result, PropertyChangeListener {
71
72 private JavaPlatform platform;
73 private ArrayList listeners;
74 private URL [] cachedRoots;
75
76 public R (JavaPlatform plat) {
77 this.platform = plat;
78 this.platform.addPropertyChangeListener (WeakListeners.propertyChange(this,this.platform));
79 }
80
81 public synchronized URL [] getRoots() {
82 if (this.cachedRoots == null) {
83 ArrayList l = new ArrayList ();
84 for (Iterator i2 = this.platform.getJavadocFolders().iterator(); i2.hasNext();) {
85 URL u = (URL )i2.next();
86 l.add(getIndexFolder(u));
87 }
88 this.cachedRoots = (URL [])l.toArray(new URL [l.size()]);
89 }
90 return this.cachedRoots;
91 }
92
93 public synchronized void addChangeListener(ChangeListener l) {
94 assert l != null : "Listener can not be null"; if (this.listeners == null) {
96 this.listeners = new ArrayList ();
97 }
98 this.listeners.add (l);
99 }
100 public synchronized void removeChangeListener(ChangeListener l) {
101 assert l != null : "Listener can not be null"; if (this.listeners == null) {
103 return;
104 }
105 this.listeners.remove (l);
106 }
107
108 public void propertyChange (PropertyChangeEvent event) {
109 if (JavaPlatform.PROP_JAVADOC_FOLDER.equals(event.getPropertyName())) {
110 synchronized (this) {
111 this.cachedRoots = null;
112 }
113 this.fireChange ();
114 }
115 }
116
117 private void fireChange () {
118 Iterator it = null;
119 synchronized (this) {
120 if (this.listeners == null) {
121 return;
122 }
123 it = ((ArrayList )this.listeners.clone()).iterator();
124 }
125 ChangeEvent event = new ChangeEvent (this);
126 while (it.hasNext()) {
127 ((ChangeListener )it.next()).stateChanged(event);
128 }
129 }
130
131 }
132 JavaPlatformManager jpm = JavaPlatformManager.getDefault();
133 JavaPlatform platforms[] = jpm.getInstalledPlatforms();
134 for (int i=0; i<platforms.length; i++) {
135 JavaPlatform jp = platforms[i];
136 Iterator it = jp.getBootstrapLibraries().entries().iterator();
141 while (it.hasNext()) {
142 ClassPath.Entry entry = (ClassPath.Entry)it.next();
143 if (b.equals(entry.getURL())) {
144 return new R (jp);
145 }
146 }
147 }
148 return null;
149 }
150
151
157 private static URL getIndexFolder (URL rootURL) {
158 if (rootURL == null) {
159 return null;
160 }
161 FileObject root = URLMapper.findFileObject(rootURL);
162 if (root == null) {
163 return rootURL;
164 }
165 FileObject result = findIndexFolder (root);
166 try {
167 return result == null ? rootURL : result.getURL();
168 } catch (FileStateInvalidException e) {
169 ErrorManager.getDefault().notify (e);
170 return rootURL;
171 }
172 }
173
174 private static FileObject findIndexFolder (FileObject fo) {
175 int state = STATE_START;
176 while (state != STATE_ERROR && state != STATE_INDEX) {
177 switch (state) {
178 case STATE_START:
179 {
180 FileObject tmpFo = fo.getFileObject(NAME_DOCS); if (tmpFo != null) {
182 fo = tmpFo;
183 state = STATE_DOCS;
184 break;
185 }
186 tmpFo = fo.getFileObject(NAME_JA); if (tmpFo != null) {
188 fo = tmpFo;
189 state = STATE_LAN;
190 break;
191
192 }
193 tmpFo = fo.getFileObject(NAME_API);
194 if (tmpFo != null) {
195 fo = tmpFo;
196 state = STATE_API;
197 break;
198 }
199 fo = null;
200 state = STATE_ERROR;
201 break;
202 }
203 case STATE_DOCS:
204 {
205 FileObject tmpFo = fo.getFileObject(NAME_JA);
206 if (tmpFo != null) {
207 fo = tmpFo;
208 state = STATE_LAN;
209 break;
210 }
211 tmpFo = fo.getFileObject(NAME_API);
212 if (tmpFo != null) {
213 fo = tmpFo;
214 state = STATE_API;
215 break;
216 }
217 fo = null;
218 state = STATE_ERROR;
219 break;
220 }
221 case STATE_LAN:
222 {
223 FileObject tmpFo = fo.getFileObject(NAME_API);
224 if (tmpFo != null) {
225 fo = tmpFo;
226 state = STATE_API;
227 break;
228 }
229 fo = null;
230 state = STATE_ERROR;
231 break;
232 }
233 case STATE_API:
234 {
235 FileObject tmpFo = fo.getFileObject(NAME_IDNEX);
236 if (tmpFo !=null) {
237 state = STATE_INDEX;
238 break;
239 }
240 fo = null;
241 state = STATE_ERROR;
242 break;
243 }
244 }
245 }
246 return fo;
247 }
248
249 }
250 |
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