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19
20 package org.netbeans.modules.java.j2seproject.queries;
21
22 import java.beans.PropertyChangeEvent  ;
23 import java.beans.PropertyChangeListener ;
24 import java.io.File ;
25 import java.net.MalformedURLException ;
26 import java.net.URL ;
27 import java.util.HashMap ;
28 import java.util.List ;
29 import java.util.Map ;
30 import java.util.concurrent.CopyOnWriteArrayList ;
31 import javax.swing.event.ChangeEvent ;
32 import javax.swing.event.ChangeListener ;
33 import org.netbeans.api.java.queries.BinaryForSourceQuery;
34 import org.netbeans.api.java.queries.BinaryForSourceQuery.Result;
35 import org.netbeans.modules.java.j2seproject.SourceRoots;
36 import org.netbeans.modules.java.j2seproject.ui.customizer.J2SEProjectProperties;
37 import org.netbeans.spi.java.queries.BinaryForSourceQueryImplementation;
38 import org.netbeans.spi.project.support.ant.AntProjectHelper;
39 import org.netbeans.spi.project.support.ant.PropertyEvaluator;
40 import org.openide.util.Exceptions;
41
42
46 public class BinaryForSourceQueryImpl implements BinaryForSourceQueryImplementation {
47
48
49 private final Map <URL ,BinaryForSourceQuery.Result> cache = new HashMap <URL ,BinaryForSourceQuery.Result>();
50 private final SourceRoots src;
51 private final SourceRoots test;
52 private final PropertyEvaluator eval;
53 private final AntProjectHelper helper;
54
55
56 public BinaryForSourceQueryImpl(SourceRoots src, SourceRoots test, AntProjectHelper helper, PropertyEvaluator eval) {
57 assert src != null;
58 assert test != null;
59 assert helper != null;
60 assert eval != null;
61 this.src = src;
62 this.test = test;
63 this.eval = eval;
64 this.helper = helper;
65 }
66
67 public Result findBinaryRoots(URL sourceRoot) {
68 assert sourceRoot != null;
69 BinaryForSourceQuery.Result result = cache.get(sourceRoot);
70 if (result == null) {
71 for (URL root : this.src.getRootURLs()) {
72 if (root.equals(sourceRoot)) {
73 result = new R (J2SEProjectProperties.BUILD_CLASSES_DIR);
74 cache.put (sourceRoot,result);
75 break;
76 }
77 }
78 for (URL root : this.test.getRootURLs()) {
79 if (root.equals(sourceRoot)) {
80 result = new R (J2SEProjectProperties.BUILD_TEST_CLASSES_DIR);
81 cache.put (sourceRoot,result);
82 break;
83 }
84 }
85 }
86 return result;
87 }
88
89 class R implements BinaryForSourceQuery.Result, PropertyChangeListener {
90
91 private final String propName;
92 private final List <ChangeListener > listeners = new CopyOnWriteArrayList <ChangeListener >();
93
94 R (final String propName) {
95 assert propName != null;
96 this.propName = propName;
97 eval.addPropertyChangeListener(this);
98 }
99
100 public URL [] getRoots() {
101 String val = eval.getProperty(propName);
102 if (val != null) {
103 File f = helper.resolveFile(val);
104 if (f != null) {
105 try {
106 return new URL [] {f.toURI().toURL()};
107 } catch (MalformedURLException e) {
108 Exceptions.printStackTrace(e);
109 }
110 }
111 }
112 return new URL [0];
113 }
114
115 public void addChangeListener(ChangeListener l) {
116 assert l != null;
117 this.listeners.add (l);
118 }
119
120 public void removeChangeListener(ChangeListener l) {
121 assert l != null;
122 this.listeners.remove (l);
123 }
124
125 public void propertyChange(PropertyChangeEvent event) {
126 ChangeEvent ce = new ChangeEvent (this);
127 for (ChangeListener l : listeners) {
128 l.stateChanged(ce);
129 }
130 }
131 }
132
133 }
134 |
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