Source Code Cross Referenced for MultiDataObjectTest.java in  » IDE-Netbeans » openide » org » openide » loaders » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » openide » org.openide.loaders 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         *
026:         * The Original Software is NetBeans. The Initial Developer of the Original
027:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028:         * Microsystems, Inc. All Rights Reserved.
029:         *
030:         * If you wish your version of this file to be governed by only the CDDL
031:         * or only the GPL Version 2, indicate your decision by adding
032:         * "[Contributor] elects to include this software in this distribution
033:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
034:         * single choice of license, a recipient has the option to distribute
035:         * your version of this file under either the CDDL, the GPL Version 2 or
036:         * to extend the choice of license to its licensees as provided above.
037:         * However, if you add GPL Version 2 code and therefore, elected the GPL
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:
042:        package org.openide.loaders;
043:
044:        import java.beans.PropertyChangeEvent;
045:        import java.beans.PropertyChangeListener;
046:        import org.openide.cookies.OpenCookie;
047:
048:        import org.openide.filesystems.*;
049:        import org.netbeans.junit.*;
050:        import java.io.IOException;
051:        import java.util.*;
052:        import java.util.logging.Level;
053:        import org.openide.*;
054:        import org.openide.util.Enumerations;
055:
056:        /**
057:         * @author Jaroslav Tulach
058:         */
059:        public class MultiDataObjectTest extends NbTestCase {
060:            FileSystem fs;
061:            DataObject one;
062:            DataFolder from;
063:            DataFolder to;
064:            ErrorManager err;
065:
066:            /** Creates new DataObjectTest */
067:            public MultiDataObjectTest(String name) {
068:                super (name);
069:            }
070:
071:            protected Level logLevel() {
072:                return Level.INFO;
073:            }
074:
075:            public void setUp() throws Exception {
076:                clearWorkDir();
077:
078:                super .setUp();
079:
080:                MockServices.setServices(Pool.class);
081:
082:                err = ErrorManager.getDefault()
083:                        .getInstance("TEST-" + getName());
084:
085:                LocalFileSystem lfs = new LocalFileSystem();
086:                lfs.setRootDirectory(getWorkDir());
087:                fs = lfs;
088:                FileUtil.createData(fs.getRoot(), "from/x.prima");
089:                FileUtil.createData(fs.getRoot(), "from/x.seconda");
090:                FileUtil.createFolder(fs.getRoot(), "to/");
091:
092:                one = DataObject.find(fs.findResource("from/x.prima"));
093:                assertEquals(SimpleObject.class, one.getClass());
094:
095:                from = one.getFolder();
096:                to = DataFolder.findFolder(fs.findResource("to/"));
097:
098:                assertEquals("Nothing there", 0, to.getPrimaryFile()
099:                        .getChildren().length);
100:            }
101:
102:            public void testTheSetOfSecondaryEntriesIsSaidToGetInconsistent()
103:                    throws Exception {
104:                for (int i = 0; i < 10; i++) {
105:                    err.log(i + " getting children of to");
106:                    DataObject[] to1 = to.getChildren();
107:                    err.log(i + " getting children of from");
108:                    DataObject[] from1 = from.getChildren();
109:                    err.log(i + " getting files of object1");
110:                    Object[] arr1 = one.files().toArray();
111:                    err.log(i + " moving the object");
112:                    one.move(to);
113:                    err.log(i + " 2nd children of to");
114:                    DataObject[] to2 = to.getChildren();
115:                    err.log(i + " 2nd children of from");
116:                    DataObject[] from2 = from.getChildren();
117:                    err.log(i + " 2nd  files of object1");
118:                    Object[] arr2 = one.files().toArray();
119:                    err.log(i + " checking results");
120:
121:                    assertEquals("Round " + i + " To is empty: "
122:                            + Arrays.asList(to1), 0, to1.length);
123:                    assertEquals("Round " + i + " From has one:"
124:                            + Arrays.asList(from1), 1, from1.length);
125:                    assertEquals("Round " + i + " One has two files"
126:                            + Arrays.asList(arr1), 2, arr1.length);
127:
128:                    assertEquals("Round " + i + " From is empty after move: "
129:                            + Arrays.asList(from2), 0, from2.length);
130:                    assertEquals("Round " + i + " To has one:"
131:                            + Arrays.asList(to2), 1, to2.length);
132:                    assertEquals("Round " + i + " One still has two files"
133:                            + Arrays.asList(arr1), 2, arr1.length);
134:
135:                    err.log(i + " moving back");
136:                    one.move(from);
137:                    err.log(i + " end of cycle");
138:                }
139:            }
140:
141:            public void testConsistencyWithABitOfAsynchronicity()
142:                    throws Exception {
143:                err.log(" getting children of to");
144:                DataObject[] to1 = to.getChildren();
145:                err.log(" getting children of from");
146:                DataObject[] from1 = from.getChildren();
147:
148:                for (int i = 0; i < 10; i++) {
149:                    err.log(i + " getting files of object1");
150:                    Object[] arr1 = one.files().toArray();
151:                    err.log(i + " moving the object");
152:                    one.move(to);
153:                    Object[] arr2 = one.files().toArray();
154:                    err.log(i + " checking results");
155:
156:                    assertEquals("Round " + i + " One has two files"
157:                            + Arrays.asList(arr1), 2, arr1.length);
158:
159:                    assertEquals("Round " + i + " One still has two files"
160:                            + Arrays.asList(arr1), 2, arr1.length);
161:
162:                    err.log(i + " moving back");
163:                    one.move(from);
164:                    err.log(i + " end of cycle");
165:                }
166:            }
167:
168:            public void testConsistencyWithABitOfAsynchronicityAndNoObservationsThatWouldMangeTheState()
169:                    throws Exception {
170:                err.log(" getting children of to");
171:                DataObject[] to1 = to.getChildren();
172:                err.log(" getting children of from");
173:                DataObject[] from1 = from.getChildren();
174:
175:                for (int i = 0; i < 10; i++) {
176:                    err.log(i + " moving the object");
177:                    one.move(to);
178:                    err.log(i + " moving back");
179:                    one.move(from);
180:                    err.log(i + " end of cycle");
181:                }
182:            }
183:
184:            public void testConsistencyWithContinuousQueryingForDeletedFiles()
185:                    throws Exception {
186:                err.log(" getting children of to");
187:                DataObject[] to1 = to.getChildren();
188:                err.log(" getting children of from");
189:                DataObject[] from1 = from.getChildren();
190:
191:                class Queri extends Thread implements  FileChangeListener,
192:                        DataLoader.RecognizedFiles, PropertyChangeListener {
193:                    public boolean stop;
194:                    private List deleted = Collections
195:                            .synchronizedList(new ArrayList());
196:                    public Exception problem;
197:
198:                    public Queri() {
199:                        super ("Query background thread");
200:                        setPriority(MAX_PRIORITY);
201:                    }
202:
203:                    public void fileFolderCreated(FileEvent fe) {
204:                    }
205:
206:                    public void fileDataCreated(FileEvent fe) {
207:                    }
208:
209:                    public void fileChanged(FileEvent fe) {
210:                    }
211:
212:                    public void fileDeleted(FileEvent fe) {
213:                        deleted.add(fe.getFile());
214:                    }
215:
216:                    public void fileRenamed(FileRenameEvent fe) {
217:                    }
218:
219:                    public void fileAttributeChanged(FileAttributeEvent fe) {
220:                    }
221:
222:                    public void run() {
223:                        while (!stop) {
224:                            FileObject[] arr = (FileObject[]) deleted
225:                                    .toArray(new FileObject[0]);
226:                            DataLoader loader = SimpleLoader
227:                                    .getLoader(SimpleLoader.class);
228:                            err.log("Next round");
229:                            for (int i = 0; i < arr.length; i++) {
230:                                try {
231:                                    err.log("Checking " + arr[i]);
232:                                    DataObject x = loader.findDataObject(
233:                                            arr[i], this );
234:                                    err.log("  has dobj: " + x);
235:                                } catch (IOException ex) {
236:                                    if (problem == null) {
237:                                        problem = ex;
238:                                    }
239:                                }
240:                            }
241:                        }
242:                    }
243:
244:                    public void markRecognized(FileObject fo) {
245:                    }
246:
247:                    public void propertyChange(PropertyChangeEvent evt) {
248:                        if ("afterMove".equals(evt.getPropertyName())) {
249:                            Thread.yield();
250:                        }
251:                    }
252:                }
253:
254:                Queri que = new Queri();
255:
256:                to.getPrimaryFile().addFileChangeListener(que);
257:                from.getPrimaryFile().addFileChangeListener(que);
258:
259:                que.start();
260:                try {
261:                    for (int i = 0; i < 10; i++) {
262:                        err.log(i + " moving the object");
263:                        one.move(to);
264:                        err.log(i + " moving back");
265:                        one.move(from);
266:                        err.log(i + " end of cycle");
267:                    }
268:                } finally {
269:                    que.stop = true;
270:                }
271:
272:                que.join();
273:                if (que.problem != null) {
274:                    throw que.problem;
275:                }
276:
277:                assertEquals("Fourty deleted files:" + que.deleted, 40,
278:                        que.deleted.size());
279:            }
280:
281:            public void testAdditionsToCookieSetAreVisibleInLookup()
282:                    throws Exception {
283:                assertTrue(this .one instanceof  SimpleObject);
284:                SimpleObject s = (SimpleObject) this .one;
285:
286:                class Open implements  OpenCookie {
287:                    public void open() {
288:                    }
289:                }
290:                Open openCookie = new Open();
291:
292:                s.getCookieSet().add(openCookie);
293:
294:                assertSame("Cookie is in the lookup", openCookie, one
295:                        .getLookup().lookup(OpenCookie.class));
296:            }
297:
298:            public static final class Pool extends DataLoaderPool {
299:                protected Enumeration loaders() {
300:                    return Enumerations.singleton(SimpleLoader
301:                            .getLoader(SimpleLoader.class));
302:                }
303:            }
304:
305:            public static final class SimpleLoader extends MultiFileLoader {
306:                public SimpleLoader() {
307:                    super (SimpleObject.class);
308:                }
309:
310:                protected String displayName() {
311:                    return "SimpleLoader";
312:                }
313:
314:                protected FileObject findPrimaryFile(FileObject fo) {
315:                    if (!fo.isFolder()) {
316:                        // emulate the behaviour of form data object
317:
318:                        /* emulate!? this one is written too well ;-)
319:                        FileObject primary = FileUtil.findBrother(fo, "prima");
320:                        FileObject secondary = FileUtil.findBrother(fo, "seconda");
321:                        
322:                        if (primary == null || secondary == null) {
323:                            return null;
324:                        }
325:                        
326:                        if (primary != fo && secondary != fo) {
327:                            return null;
328:                        }
329:                         */
330:
331:                        // here is the common code for the worse behaviour
332:                        if (fo.hasExt("prima")) {
333:                            return FileUtil.findBrother(fo, "seconda") != null ? fo
334:                                    : null;
335:                        }
336:
337:                        if (fo.hasExt("seconda")) {
338:                            return FileUtil.findBrother(fo, "prima");
339:                        }
340:                    }
341:                    return null;
342:                }
343:
344:                protected MultiDataObject createMultiObject(
345:                        FileObject primaryFile)
346:                        throws DataObjectExistsException, IOException {
347:                    return new SimpleObject(this , primaryFile);
348:                }
349:
350:                protected MultiDataObject.Entry createPrimaryEntry(
351:                        MultiDataObject obj, FileObject primaryFile) {
352:                    return new FileEntry(obj, primaryFile);
353:                }
354:
355:                protected MultiDataObject.Entry createSecondaryEntry(
356:                        MultiDataObject obj, FileObject secondaryFile) {
357:                    return new FileEntry(obj, secondaryFile);
358:                }
359:
360:                private void afterMove(FileObject f, FileObject retValue) {
361:                    firePropertyChange("afterMove", null, null);
362:                }
363:            }
364:
365:            private static final class FE extends FileEntry {
366:                public FE(MultiDataObject mo, FileObject fo) {
367:                    super (mo, fo);
368:                }
369:
370:                public FileObject move(FileObject f, String suffix)
371:                        throws IOException {
372:                    FileObject retValue;
373:                    retValue = super .move(f, suffix);
374:
375:                    SimpleLoader l = (SimpleLoader) getDataObject().getLoader();
376:                    l.afterMove(f, retValue);
377:
378:                    return retValue;
379:                }
380:
381:            }
382:
383:            public static final class SimpleObject extends MultiDataObject {
384:                public SimpleObject(SimpleLoader l, FileObject fo)
385:                        throws DataObjectExistsException {
386:                    super(fo, l);
387:                }
388:            }
389:
390:        }
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