Source Code Cross Referenced for LocalizedBundleInfo.java in  » IDE-Netbeans » api » org » netbeans » modules » apisupport » project » universe » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » api » org.netbeans.modules.apisupport.project.universe 
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.netbeans.modules.apisupport.project.universe;
043:
044:        import java.beans.PropertyChangeListener;
045:        import java.beans.PropertyChangeSupport;
046:        import java.io.File;
047:        import java.io.IOException;
048:        import java.io.InputStream;
049:        import java.text.BreakIterator;
050:        import java.util.ArrayList;
051:        import java.util.List;
052:        import java.util.Locale;
053:        import org.netbeans.api.project.ProjectInformation;
054:        import org.netbeans.modules.apisupport.project.Util;
055:        import org.netbeans.spi.project.support.ant.EditableProperties;
056:        import org.openide.ErrorManager;
057:        import org.openide.filesystems.FileChangeAdapter;
058:        import org.openide.filesystems.FileEvent;
059:        import org.openide.filesystems.FileObject;
060:        import org.openide.filesystems.FileUtil;
061:        import org.openide.util.Utilities;
062:
063:        /**
064:         * Represents localized information for a NetBeans module usually loaded from a
065:         * <em>Bundle.properties</em> specified in a module's manifest. It is actaully
066:         * back up by {@link EditableProperties} so any changes to this instance will
067:         * behave exactly as specified in {@link EditableProperties} javadoc during
068:         * storing.
069:         *
070:         * @author Martin Krauskopf
071:         */
072:        public final class LocalizedBundleInfo {
073:
074:            public static final String NAME = "OpenIDE-Module-Name"; // NOI18N
075:            public static final String DISPLAY_CATEGORY = "OpenIDE-Module-Display-Category"; // NOI18N
076:            public static final String SHORT_DESCRIPTION = "OpenIDE-Module-Short-Description"; // NOI18N
077:            public static final String LONG_DESCRIPTION = "OpenIDE-Module-Long-Description"; // NOI18N
078:
079:            static final LocalizedBundleInfo EMPTY = new LocalizedBundleInfo(
080:                    new EditableProperties[] { new EditableProperties(true) });
081:
082:            private final EditableProperties[] props;
083:            private final File[] paths;
084:
085:            private final PropertyChangeSupport changeSupport = new PropertyChangeSupport(
086:                    this );
087:
088:            /** Whether this instance was modified since it was loaded or saved. */
089:            private boolean modified;
090:
091:            /**
092:             * Returns instances initialized by data in the given {@link FileObject}.
093:             * Note that instances created by this factory method are automatically
094:             * storable (i.e. {@link #store} and {@link #reload} can be called) if the
095:             * given object represents a regular {@link java.io.File}.
096:             * @param bundleFO {@link FileObject} representing localizing bundle.
097:             *        Usually <em>bundle.properties</em> or its branded version.
098:             *        Given as an array so you can pass multiple locale variants (most specific last).
099:             * @return instance representing data in the given bundle
100:             */
101:            public static LocalizedBundleInfo load(FileObject[] bundleFOs)
102:                    throws IOException {
103:                return new LocalizedBundleInfo(bundleFOs);
104:            }
105:
106:            /**
107:             * Returns instances initialized by data in the given {@link FileObject}.
108:             * Instances created by this factory method are not storable (i.e. {@link
109:             * #store} and {@link #reload} cannot be called) until the {@link #setPath}
110:             * is called upon this object.
111:             * @param bundleIS input stream representing localizing bundle. Usually
112:             *        <em>bundle.properties</em> or its branded version.
113:             * @return instance representing data in the given bundle
114:             */
115:            public static LocalizedBundleInfo load(InputStream[] bundleISs)
116:                    throws IOException {
117:                EditableProperties[] props = new EditableProperties[bundleISs.length];
118:                for (int i = 0; i < props.length; i++) {
119:                    props[i] = new EditableProperties(true);
120:                    props[i].load(bundleISs[i]);
121:                }
122:                return new LocalizedBundleInfo(props);
123:            }
124:
125:            /** Use factory method instead. */
126:            private LocalizedBundleInfo(EditableProperties[] props) {
127:                this .props = props;
128:                paths = new File[props.length];
129:            }
130:
131:            /** Use factory method instead. */
132:            private LocalizedBundleInfo(FileObject[] bundleFOs)
133:                    throws IOException {
134:                if (bundleFOs == null || bundleFOs.length == 0) {
135:                    throw new IllegalArgumentException();
136:                }
137:                props = new EditableProperties[bundleFOs.length];
138:                paths = new File[bundleFOs.length];
139:                for (int i = 0; i < bundleFOs.length; i++) {
140:                    InputStream bundleIS = bundleFOs[i].getInputStream();
141:                    try {
142:                        props[i] = new EditableProperties(true);
143:                        props[i].load(bundleIS);
144:                    } finally {
145:                        bundleIS.close();
146:                    }
147:                    paths[i] = FileUtil.toFile(bundleFOs[i]);
148:                    bundleFOs[i].addFileChangeListener(new FileChangeAdapter() {
149:                        public void fileChanged(FileEvent fe) {
150:                            try {
151:                                LocalizedBundleInfo.this .reload();
152:                            } catch (IOException e) {
153:                                Util.err.log(ErrorManager.WARNING,
154:                                        "Cannot reload localized bundle info " + // NOI18N
155:                                                FileUtil.getFileDisplayName(fe
156:                                                        .getFile()));
157:                            }
158:                        }
159:                    });
160:                }
161:            }
162:
163:            /**
164:             * Reload data of this localizing bundle info from the file represented by
165:             * previously set path. Note that this instance already listens to the
166:             * bundle properties file (or files if localized). So it just gives a
167:             * possibility to force reloading in the case the properties were e.g.
168:             * changed outside of IDE or using {@link java.io.File}.
169:             */
170:            public void reload() throws IOException {
171:                String oldDisplayName = getDisplayName();
172:                for (int i = 0; i < paths.length; i++) {
173:                    if (paths[i] == null) {
174:                        props[i] = new EditableProperties(true);
175:                        continue;
176:                    }
177:                    FileObject bundleFO = FileUtil.toFileObject(paths[i]);
178:                    props[i] = bundleFO != null ? Util.loadProperties(bundleFO)
179:                            : new EditableProperties(true);
180:                }
181:                modified = false;
182:                firePropertyChange(ProjectInformation.PROP_DISPLAY_NAME,
183:                        oldDisplayName, getDisplayName());
184:            }
185:
186:            /**
187:             * Reload this localizing bundle from the file specified by previously set
188:             * path.
189:             */
190:            public void store() throws IOException {
191:                for (int i = 0; i < paths.length; i++) {
192:                    if (paths[i] == null) {
193:                        continue;
194:                    }
195:                    FileObject bundleFO = FileUtil.toFileObject(paths[i]);
196:                    if (bundleFO == null) {
197:                        return;
198:                    }
199:                    Util.storeProperties(bundleFO, props[i]);
200:                }
201:                modified = false;
202:            }
203:
204:            /**
205:             * Converts entries this instance represents into {@link
206:             * EditableProperties}.
207:             */
208:            public EditableProperties toEditableProperties() {
209:                return props[0];
210:            }
211:
212:            private String getProperty(String key) {
213:                for (int i = props.length - 1; i >= 0; i--) {
214:                    if (props[i].containsKey(key)) {
215:                        return props[i].getProperty(key);
216:                    }
217:                }
218:                return null;
219:            }
220:
221:            /**
222:             * Tells whether this instance was modified since it was loaded or saved.
223:             * I.e. if it needs to be saved or not.
224:             */
225:            public boolean isModified() {
226:                return modified;
227:            }
228:
229:            public String getDisplayName() {
230:                return getProperty(NAME);
231:            }
232:
233:            public void setDisplayName(String name) {
234:                String oldDisplayName = getDisplayName();
235:                this .setProperty(NAME, name, false);
236:                firePropertyChange(ProjectInformation.PROP_DISPLAY_NAME,
237:                        oldDisplayName, getDisplayName());
238:            }
239:
240:            public String getCategory() {
241:                return getProperty(DISPLAY_CATEGORY);
242:            }
243:
244:            public void setCategory(String category) {
245:                this .setProperty(DISPLAY_CATEGORY, category, false);
246:            }
247:
248:            public String getShortDescription() {
249:                return getProperty(SHORT_DESCRIPTION);
250:            }
251:
252:            public void setShortDescription(String shortDescription) {
253:                this .setProperty(SHORT_DESCRIPTION, shortDescription, false);
254:            }
255:
256:            public String getLongDescription() {
257:                return getProperty(LONG_DESCRIPTION);
258:            }
259:
260:            public void setLongDescription(String longDescription) {
261:                this .setProperty(LONG_DESCRIPTION, longDescription, true);
262:            }
263:
264:            public File[] getPaths() {
265:                return paths;
266:            }
267:
268:            private void setProperty(String name, String value, boolean split) {
269:                if (Utilities.compareObjects(value, getProperty(name))) {
270:                    return;
271:                }
272:                modified = true;
273:                if (value != null) {
274:                    value = value.trim();
275:                }
276:                if (value != null && value.length() > 0) {
277:                    if (split) {
278:                        props[props.length - 1].setProperty(name,
279:                                splitBySentence(value));
280:                    } else {
281:                        props[props.length - 1].setProperty(name, value);
282:                    }
283:                } else {
284:                    for (int i = 0; i < props.length; i++) {
285:                        props[i].remove(name);
286:                    }
287:                }
288:            }
289:
290:            private static String[] splitBySentence(String text) {
291:                List<String> sentences = new ArrayList<String>();
292:                // Use Locale.US since the customizer is setting the default (US) locale text only:
293:                BreakIterator it = BreakIterator.getSentenceInstance(Locale.US);
294:                it.setText(text);
295:                int start = it.first();
296:                int end;
297:                while ((end = it.next()) != BreakIterator.DONE) {
298:                    sentences.add(text.substring(start, end));
299:                    start = end;
300:                }
301:                return sentences.toArray(new String[sentences.size()]);
302:            }
303:
304:            public void addPropertyChangeListener(PropertyChangeListener pchl) {
305:                changeSupport.addPropertyChangeListener(pchl);
306:            }
307:
308:            public void removePropertyChangeListener(PropertyChangeListener pchl) {
309:                changeSupport.removePropertyChangeListener(pchl);
310:            }
311:
312:            private void firePropertyChange(String propName, Object oldValue,
313:                    Object newValue) {
314:                changeSupport.firePropertyChange(propName, oldValue, newValue);
315:            }
316:
317:            public String toString() {
318:                return "LocalizedBundleInfo[" + getDisplayName() + "; " + // NOI18N
319:                        getCategory() + "; " + // NOI18N
320:                        getShortDescription() + "; " + // NOI18N
321:                        getLongDescription() + "]"; // NOI18N
322:            }
323:
324:            public static interface Provider {
325:                /** May return <code>null</code>. */
326:                LocalizedBundleInfo getLocalizedBundleInfo();
327:            }
328:
329:        }
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