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19 package org.netbeans.modules.mdr;
20
21 import org.netbeans.api.mdr.*;
22 import org.netbeans.mdr.NBMDRepositoryImpl;
23 import org.openide.util.Lookup;
24 import org.openide.filesystems.*;
25 import org.openide.loaders.*;
26
27 import org.netbeans.mdr.handlers.BaseObjectHandler;
28 import org.netbeans.mdr.handlers.ClassLoaderProvider;
29
30 import java.util.*;
31 import org.openide.ErrorManager;
32
33
38 public class MDRManagerImpl extends MDRManager implements FileChangeListener, NBMDRepositoryImpl.ShutdownListener {
39
40 private static final String  FOLDER_REPOSITORY = "MDRepositories";
41 private static final String DEFAULT_REPOSITORY = "Default";
42
43 private HashMap repositoryMap = null;
44 private FileObject repFolder = null;
45 private static MDRManagerImpl instance = null;
46
47 static {
48 BaseObjectHandler.setClassLoaderProvider(new CLProviderImpl());
49 }
50
51 static synchronized void uninstall() {
52 if (instance != null) {
53 instance.uninstallMe();
54 }
55 }
56
57 private void uninstallMe() {
58 repositoryMap = null;
59 if (repFolder != null) {
60 repFolder.removeFileChangeListener(this);
61 }
62 repFolder = null;
63 }
64
65 private void refreshChildren() {
66 if (repFolder == null) {
67 repFolder = Repository.getDefault().getDefaultFileSystem().getRoot().getFileObject(FOLDER_REPOSITORY);
68 repFolder.addFileChangeListener(this);
69 }
70
71 repositoryMap.clear();
72
73 if (repFolder != null) {
74 for (Enumeration en = repFolder.getData(false); en.hasMoreElements();) {
75 try {
76 DataObject dataObject = DataObject.find((FileObject) en.nextElement());
77 if (dataObject instanceof MDRDataObject) {
78 repositoryMap.put(dataObject.getName(), dataObject);
79 ErrorManager.getDefault().log("found repository: " + dataObject.getName());
80 }
81 } catch (DataObjectNotFoundException e) {
82 }
84 }
85 }
86 }
87
88 private void init() {
89 if (repositoryMap == null) {
90 repositoryMap = new HashMap();
91 refreshChildren();
92 }
93 }
94
95
96 public MDRManagerImpl() {
97 instance = this;
98 }
99
100 public void shutdownAll() {
101 String names[] = getRepositoryNames();
102 MDRepository[] repos = new MDRepository[names.length];
103 int stepCount = 0;
104 for (int i = 0; i < names.length; i++) {
105 repos[i] = getRepository(names[i]);
106 if (repos[i] instanceof NBMDRepositoryImpl) {
107 stepCount += ((NBMDRepositoryImpl) repos[i]).getShutdownSteps();
108 } else {
109 stepCount++;
110 }
111 }
112 fireProgressListenerStart(stepCount);
113 for (int i = 0; i < names.length; i++) {
114 ((NBMDRepositoryImpl) repos[i]).addShutdownListener(this);
115 repos[i].shutdown();
116 ((NBMDRepositoryImpl) repos[i]).removeShutdownListener(this);
117 }
118 fireProgressListenerStop();
119 }
120
121
123 public void shutdown() {
124 }
125
126 public void stepFinished() {
127 fireProgressListenerStep();
128 }
130
132 private ProgressListener progress = null;
133 private boolean stopFired = false;
134
135 public boolean setProgressListener(ProgressListener pl) {
136 boolean shutdownListenerRegistered = false;
137 if (progress == null) {
138 progress = pl;
139 shutdownListenerRegistered = true;
140 }
141 return shutdownListenerRegistered && !stopFired;
142 }
143
144 private void fireProgressListenerStart(int count) {
145 if (progress == null)
146 return;
147 progress.start(count);
148 }
149
150 private void fireProgressListenerInitialize() {
151 if (progress == null)
152 return;
153 progress.init();
154 }
155
156 public void fireProgressListenerStep() {
157 if (progress == null)
158 return;
159 progress.step();
160 }
161
162 private void fireProgressListenerStop() {
163 if (progress == null) {
164 stopFired = true;
165 return;
166 }
167 progress.stop();
168 }
169
171
172 public MDRepository getRepository(String name) {
173 init();
174 MDRDataObject dataObject = (MDRDataObject) repositoryMap.get(name);
175 if (dataObject == null) {
176 return null;
177 } else {
178 MDRDescriptor repository = dataObject.getDescriptor();
179 return repository.getMDRInstance();
180 }
181 }
182
183 public MDRepository getDefaultRepository() {
184 return getRepository(DEFAULT_REPOSITORY);
185 }
186
187 public String [] getRepositoryNames() {
188 init();
189 String [] result = new String [0];
190 result = (String []) repositoryMap.keySet().toArray(result);
191 return result;
192 }
193
194
200 public void fileFolderCreated(FileEvent fe) {
201 refreshChildren();
202 }
203
204
210 public void fileDataCreated(FileEvent fe) {
211 refreshChildren();
212 }
213
214
217 public void fileChanged(FileEvent fe) {
218 refreshChildren();
219 }
220
221
224 public void fileDeleted(FileEvent fe) {
225 refreshChildren();
226 }
227
228
232 public void fileRenamed(FileRenameEvent fe) {
233 refreshChildren();
234 }
235
236
240 public void fileAttributeChanged(FileAttributeEvent fe) {
241 refreshChildren();
242 }
243
244 void preShutdownAll() {
245 fireProgressListenerInitialize();
246 }
247
248 private static class CLProviderImpl implements ClassLoaderProvider {
249 public ClassLoader getClassLoader() {
250 return (ClassLoader ) Lookup.getDefault().lookup(ClassLoader .class);
251 }
252
253
262 public Class defineClass(String className, byte[] classFile) {
263 return null;
264 }
265 }
266
267 public interface ProgressListener {
268 public void init();
270
271 public void start(final int count);
273 public void step();
274 public void stop();
275 }
276 }
277 |
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