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1
19
20 package org.netbeans.modules.web.project.classpath;
21
22 import java.beans.PropertyChangeEvent  ;
23 import java.util.List ;
24 import java.util.Collections ;
25 import java.beans.PropertyChangeListener ;
26 import java.beans.PropertyChangeSupport ;
27 import org.netbeans.modules.web.project.ui.customizer.WebProjectProperties;
28 import org.netbeans.spi.java.classpath.ClassPathImplementation;
29 import org.netbeans.spi.java.classpath.PathResourceImplementation;
30 import org.netbeans.spi.java.classpath.support.ClassPathSupport;
31 import org.netbeans.spi.project.support.ant.AntProjectHelper;
32 import org.netbeans.spi.project.support.ant.PropertyEvaluator;
33 import org.openide.ErrorManager;
34 import org.openide.filesystems.FileChangeListener;
35 import org.openide.filesystems.FileEvent;
36 import org.openide.filesystems.FileObject;
37 import org.openide.filesystems.FileRenameEvent;
38 import org.openide.filesystems.FileStateInvalidException;
39 import org.openide.filesystems.FileUtil;
40 import org.openide.util.WeakListeners;
41
42
47 final class JspSourcePathImplementation implements ClassPathImplementation, PropertyChangeListener {
48
49 private PropertyChangeSupport support = new PropertyChangeSupport (this);
50 private List resources;
51 private AntProjectHelper helper;
52 private PropertyEvaluator evaluator;
53 private ProjectDirectoryListener projectDirListener;
54
55
58 public JspSourcePathImplementation(AntProjectHelper helper, PropertyEvaluator eval) {
59 assert helper != null;
60 assert eval != null;
61 this.helper = helper;
62 this.evaluator = eval;
63 eval.addPropertyChangeListener(WeakListeners.propertyChange(this, eval));
64 FileObject projectDir = helper.getProjectDirectory();
65 projectDirListener = new ProjectDirectoryListener();
66 projectDir.addFileChangeListener(FileUtil.weakFileChangeListener(projectDirListener, projectDir));
67 }
68
69 public List getResources() {
70 synchronized (this) {
71 if (this.resources != null) {
72 return resources;
73 }
74 }
75 PathResourceImplementation webDocbaseDirRes = null;
76 String webDocbaseDir = evaluator.getProperty(WebProjectProperties.WEB_DOCBASE_DIR);
77 if (webDocbaseDir != null) {
78 FileObject webDocbaseDirFO = helper.resolveFileObject(webDocbaseDir);
79 if (webDocbaseDirFO != null) {
80 try {
81 webDocbaseDirRes = ClassPathSupport.createResource(webDocbaseDirFO.getURL());
82 } catch (FileStateInvalidException e) {
83 ErrorManager.getDefault().notify(e);
84 }
85 }
86 }
87 synchronized (this) {
88 if (this.resources == null) {
89 if (webDocbaseDirRes != null) {
90 this.resources = Collections.singletonList(webDocbaseDirRes);
91 } else {
92 this.resources = Collections.EMPTY_LIST;
93 }
94 }
95 }
96 return this.resources;
97 }
98
99 public void addPropertyChangeListener(PropertyChangeListener listener) {
100 support.addPropertyChangeListener (listener);
101 }
102
103 public void removePropertyChangeListener(PropertyChangeListener listener) {
104 support.removePropertyChangeListener (listener);
105 }
106
107
108 public void propertyChange(PropertyChangeEvent evt) {
109 if (WebProjectProperties.WEB_DOCBASE_DIR.equals(evt.getPropertyName())) {
110 fireChange();
111 }
112 }
113
114 private void fireChange() {
115 synchronized (this) {
116 this.resources = null;
117 }
118 this.support.firePropertyChange (PROP_RESOURCES,null,null);
119 }
120
121 private final class ProjectDirectoryListener implements FileChangeListener {
122
123 public void fileAttributeChanged(org.openide.filesystems.FileAttributeEvent fe) {
124 }
125
126 public void fileChanged(FileEvent fe) {
127 }
128
129 public void fileDataCreated(FileEvent fe) {
130 }
131
132 public void fileDeleted(FileEvent fe) {
133 if (isWatchedFile(getFileName(fe))) {
134 fireChange();
135 }
136 }
137
138 public void fileFolderCreated(FileEvent fe) {
139 if (isWatchedFile(getFileName(fe))) {
140 fireChange();
141 }
142 }
143
144 public void fileRenamed(org.openide.filesystems.FileRenameEvent fe) {
145 if (isWatchedFile(getFileName(fe)) || isWatchedFile(getOldFileName(fe))) {
146 fireChange();
147 }
148 }
149
150 private boolean isWatchedFile(String fileName) {
151 String webDir = evaluator.getProperty(WebProjectProperties.WEB_DOCBASE_DIR);
152 return fileName.equals(webDir);
153 }
154
155 private String getFileName(FileEvent fe) {
156 return fe.getFile().getNameExt();
157 }
158
159 private String getOldFileName(FileRenameEvent fe) {
160 String result = fe.getName();
161 if (!(fe.getExt()).equals("")) { result = result + "." + fe.getExt(); }
164 return result;
165 }
166 }
167 }
168 |
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