|
1
19 package org.netbeans.modules.java.j2seproject.queries;
20
21 import java.beans.PropertyChangeEvent  ;
22 import java.beans.PropertyChangeListener ;
23 import java.io.File ;
24 import java.util.ArrayList ;
25 import java.util.List ;
26 import javax.swing.event.ChangeEvent ;
27 import org.netbeans.spi.project.support.ant.AntProjectHelper;
28 import org.openide.ErrorManager;
29 import org.openide.filesystems.FileUtil;
30 import java.net.URL ;
31 import java.net.MalformedURLException ;
32 import javax.swing.event.ChangeListener ;
33 import javax.xml.transform.Result ;
34 import org.netbeans.api.java.queries.JavadocForBinaryQuery;
35 import org.netbeans.spi.java.queries.JavadocForBinaryQueryImplementation;
36 import org.netbeans.spi.project.support.ant.PropertyEvaluator;
37 import org.openide.util.WeakListeners;
38
39
43 public class JavadocForBinaryQueryImpl implements JavadocForBinaryQueryImplementation {
44
45 private static final String PROP_JAVADOC_DIR = "dist.javadoc.dir";
47 private final AntProjectHelper helper;
48 private final PropertyEvaluator evaluator;
49
50 public JavadocForBinaryQueryImpl(AntProjectHelper helper, PropertyEvaluator evaluator) {
51 this.helper = helper;
52 this.evaluator = evaluator;
53 }
54
55 public JavadocForBinaryQuery.Result findJavadoc(final URL binaryRoot) {
56
57 class R implements JavadocForBinaryQuery.Result, PropertyChangeListener {
58
59 private List listeners;
60 private URL [] result;
61
62 public R () {
63 JavadocForBinaryQueryImpl.this.evaluator.addPropertyChangeListener (WeakListeners.propertyChange(this,JavadocForBinaryQueryImpl.this.evaluator));
64 }
65
66 public synchronized URL [] getRoots() {
67 if (this.result == null) {
68 String javadocDir = evaluator.getProperty(PROP_JAVADOC_DIR);
69 if (javadocDir != null) {
70 File f = helper.resolveFile(javadocDir);
71 try {
72 URL url = f.toURI().toURL();
73 if (!f.exists()) {
74 assert !url.toExternalForm().endsWith("/") : f; url = new URL (url.toExternalForm() + "/"); }
77 this.result = new URL [] {url};
78 } catch (MalformedURLException e) {
79 this.result = new URL [0];
80 ErrorManager.getDefault().notify(e);
81 }
82 }
83 else {
84 this.result = new URL [0];
85 }
86 }
87 return this.result;
88 }
89 public synchronized void addChangeListener(final ChangeListener l) {
90 assert l != null;
91 if (this.listeners == null) {
92 this.listeners = new ArrayList ();
93 }
94 this.listeners.add (l);
95 }
96 public synchronized void removeChangeListener(final ChangeListener l) {
97 assert l != null;
98 if (this.listeners == null) {
99 return;
100 }
101 this.listeners.remove (l);
102 }
103
104 public void propertyChange (final PropertyChangeEvent event) {
105 if (PROP_JAVADOC_DIR.equals(event.getPropertyName())) {
106 synchronized (this) {
107 result = null;
108 }
109 this.fireChange ();
110 }
111 }
112
113 private void fireChange () {
114 ChangeListener [] _listeners;
115 synchronized (this) {
116 if (this.listeners == null) {
117 return;
118 }
119 _listeners = (ChangeListener []) this.listeners.toArray (new ChangeListener [this.listeners.size()]);
120 }
121 ChangeEvent event = new ChangeEvent (this);
122 for (int i=0; i<_listeners.length; i++) {
123 _listeners[i].stateChanged(event);
124 }
125 }
126 }
127 if (isRootOwner(binaryRoot, "build.classes.dir") || isRootOwner (binaryRoot, "dist.jar")) { return new R();
129 }
130 return null;
131 }
132
133 private boolean isRootOwner (URL binaryRoot, String binaryProperty) {
134 try {
135 if (FileUtil.getArchiveFile(binaryRoot) != null) {
136 binaryRoot = FileUtil.getArchiveFile(binaryRoot);
137 }
139 String outDir = evaluator.getProperty(binaryProperty);
140 if (outDir != null) {
141 File f = helper.resolveFile (outDir);
142 URL url = f.toURI().toURL();
143 if (!f.exists() && !f.getPath().toLowerCase().endsWith(".jar")) { assert !url.toExternalForm().endsWith("/") : f; url = new URL (url.toExternalForm() + "/"); }
147 return url.equals(binaryRoot) ||
148 binaryRoot.toExternalForm().startsWith(url.toExternalForm());
149 }
150 } catch (MalformedURLException malformedURL) {
151 ErrorManager.getDefault().notify(malformedURL);
152 }
153 return false;
154 }
155
156
184 }
185 |
Popular Tags |
Java API By Example, From Geeks To Geeks.