Source Code Cross Referenced for Activity.java in  » IDE-Eclipse » ui-workbench » org » eclipse » ui » internal » activities » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Eclipse » ui workbench » org.eclipse.ui.internal.activities 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Copyright (c) 2000, 2006 IBM Corporation and others.
003:         * All rights reserved. This program and the accompanying materials
004:         * are made available under the terms of the Eclipse Public License v1.0
005:         * which accompanies this distribution, and is available at
006:         * http://www.eclipse.org/legal/epl-v10.html
007:         *
008:         * Contributors:
009:         *     IBM Corporation - initial API and implementation
010:         *******************************************************************************/package org.eclipse.ui.internal.activities;
011:
012:        import java.util.ArrayList;
013:        import java.util.HashSet;
014:        import java.util.Iterator;
015:        import java.util.List;
016:        import java.util.Set;
017:
018:        import org.eclipse.ui.activities.ActivityEvent;
019:        import org.eclipse.ui.activities.IActivity;
020:        import org.eclipse.ui.activities.IActivityListener;
021:        import org.eclipse.ui.activities.IActivityPatternBinding;
022:        import org.eclipse.ui.activities.IActivityRequirementBinding;
023:        import org.eclipse.ui.activities.NotDefinedException;
024:        import org.eclipse.ui.internal.util.Util;
025:
026:        final class Activity implements  IActivity {
027:            private final static int HASH_FACTOR = 89;
028:
029:            private final static int HASH_INITIAL = Activity.class.getName()
030:                    .hashCode();
031:
032:            private final static Set strongReferences = new HashSet();
033:
034:            private Set activityRequirementBindings;
035:
036:            private transient IActivityRequirementBinding[] activityRequirementBindingsAsArray;
037:
038:            private List activityListeners;
039:
040:            private Set activityPatternBindings;
041:
042:            private transient IActivityPatternBinding[] activityPatternBindingsAsArray;
043:
044:            private boolean defined;
045:
046:            private boolean enabled;
047:
048:            private transient int hashCode = HASH_INITIAL;
049:
050:            private String id;
051:
052:            private String name;
053:
054:            private transient String string;
055:
056:            private String description;
057:
058:            private boolean defaultEnabled;
059:
060:            Activity(String id) {
061:                if (id == null) {
062:                    throw new NullPointerException();
063:                }
064:
065:                this .id = id;
066:            }
067:
068:            public void addActivityListener(IActivityListener activityListener) {
069:                if (activityListener == null) {
070:                    throw new NullPointerException();
071:                }
072:
073:                if (activityListeners == null) {
074:                    activityListeners = new ArrayList();
075:                }
076:
077:                if (!activityListeners.contains(activityListener)) {
078:                    activityListeners.add(activityListener);
079:                }
080:
081:                strongReferences.add(this );
082:            }
083:
084:            public int compareTo(Object object) {
085:                Activity castedObject = (Activity) object;
086:
087:                int compareTo = Util.compare(
088:                        activityRequirementBindingsAsArray,
089:                        castedObject.activityRequirementBindingsAsArray);
090:
091:                if (compareTo == 0) {
092:                    compareTo = Util.compare(activityPatternBindingsAsArray,
093:                            castedObject.activityPatternBindingsAsArray);
094:
095:                    if (compareTo == 0) {
096:                        compareTo = Util.compare(defined, castedObject.defined);
097:
098:                        if (compareTo == 0) {
099:                            compareTo = Util.compare(enabled,
100:                                    castedObject.enabled);
101:
102:                            if (compareTo == 0) {
103:                                compareTo = Util.compare(id, castedObject.id);
104:
105:                                if (compareTo == 0) {
106:                                    compareTo = Util.compare(name,
107:                                            castedObject.name);
108:                                }
109:                            }
110:                        }
111:                    }
112:                }
113:
114:                return compareTo;
115:            }
116:
117:            public boolean equals(Object object) {
118:                if (!(object instanceof  Activity)) {
119:                    return false;
120:                }
121:
122:                final Activity castedObject = (Activity) object;
123:
124:                if (!Util.equals(activityRequirementBindings,
125:                        castedObject.activityRequirementBindings)) {
126:                    return false;
127:                }
128:
129:                if (!Util.equals(activityPatternBindings,
130:                        castedObject.activityPatternBindings)) {
131:                    return false;
132:                }
133:
134:                if (!Util.equals(defined, castedObject.defined)) {
135:                    return false;
136:                }
137:
138:                if (!Util.equals(enabled, castedObject.enabled)) {
139:                    return false;
140:                }
141:
142:                if (!Util.equals(id, castedObject.id)) {
143:                    return false;
144:                }
145:
146:                return Util.equals(name, castedObject.name);
147:            }
148:
149:            void fireActivityChanged(ActivityEvent activityEvent) {
150:                if (activityEvent == null) {
151:                    throw new NullPointerException();
152:                }
153:
154:                if (activityListeners != null) {
155:                    for (int i = 0; i < activityListeners.size(); i++) {
156:                        ((IActivityListener) activityListeners.get(i))
157:                                .activityChanged(activityEvent);
158:                    }
159:                }
160:            }
161:
162:            public Set getActivityRequirementBindings() {
163:                return activityRequirementBindings;
164:            }
165:
166:            public Set getActivityPatternBindings() {
167:                return activityPatternBindings;
168:            }
169:
170:            public String getId() {
171:                return id;
172:            }
173:
174:            public String getName() throws NotDefinedException {
175:                if (!defined) {
176:                    throw new NotDefinedException();
177:                }
178:
179:                return name;
180:            }
181:
182:            public int hashCode() {
183:                if (hashCode == HASH_INITIAL) {
184:                    hashCode = hashCode * HASH_FACTOR
185:                            + Util.hashCode(activityRequirementBindings);
186:                    hashCode = hashCode * HASH_FACTOR
187:                            + Util.hashCode(activityPatternBindings);
188:                    hashCode = hashCode * HASH_FACTOR + Util.hashCode(defined);
189:                    hashCode = hashCode * HASH_FACTOR + Util.hashCode(enabled);
190:                    hashCode = hashCode * HASH_FACTOR + Util.hashCode(id);
191:                    hashCode = hashCode * HASH_FACTOR + Util.hashCode(name);
192:                    if (hashCode == HASH_INITIAL) {
193:                        hashCode++;
194:                    }
195:                }
196:
197:                return hashCode;
198:            }
199:
200:            public boolean isDefined() {
201:                return defined;
202:            }
203:
204:            public boolean isEnabled() {
205:                return enabled;
206:            }
207:
208:            public boolean isMatch(String string) {
209:                if (isDefined()) {
210:                    for (Iterator iterator = activityPatternBindings.iterator(); iterator
211:                            .hasNext();) {
212:                        ActivityPatternBinding activityPatternBinding = (ActivityPatternBinding) iterator
213:                                .next();
214:
215:                        if (activityPatternBinding.isMatch(string)) {
216:                            return true;
217:                        }
218:                    }
219:                }
220:
221:                return false;
222:            }
223:
224:            public void removeActivityListener(
225:                    IActivityListener activityListener) {
226:                if (activityListener == null) {
227:                    throw new NullPointerException();
228:                }
229:
230:                if (activityListeners != null) {
231:                    activityListeners.remove(activityListener);
232:                }
233:
234:                if (activityListeners.isEmpty()) {
235:                    strongReferences.remove(this );
236:                }
237:            }
238:
239:            boolean setActivityRequirementBindings(
240:                    Set activityRequirementBindings) {
241:                activityRequirementBindings = Util.safeCopy(
242:                        activityRequirementBindings,
243:                        IActivityRequirementBinding.class);
244:
245:                if (!Util.equals(activityRequirementBindings,
246:                        this .activityRequirementBindings)) {
247:                    this .activityRequirementBindings = activityRequirementBindings;
248:                    this .activityRequirementBindingsAsArray = (IActivityRequirementBinding[]) this .activityRequirementBindings
249:                            .toArray(new IActivityRequirementBinding[this .activityRequirementBindings
250:                                    .size()]);
251:                    hashCode = HASH_INITIAL;
252:                    string = null;
253:                    return true;
254:                }
255:
256:                return false;
257:            }
258:
259:            boolean setActivityPatternBindings(Set activityPatternBindings) {
260:                activityPatternBindings = Util.safeCopy(
261:                        activityPatternBindings, IActivityPatternBinding.class);
262:
263:                if (!Util.equals(activityPatternBindings,
264:                        this .activityPatternBindings)) {
265:                    this .activityPatternBindings = activityPatternBindings;
266:                    this .activityPatternBindingsAsArray = (IActivityPatternBinding[]) this .activityPatternBindings
267:                            .toArray(new IActivityPatternBinding[this .activityPatternBindings
268:                                    .size()]);
269:                    hashCode = HASH_INITIAL;
270:                    string = null;
271:                    return true;
272:                }
273:
274:                return false;
275:            }
276:
277:            boolean setDefined(boolean defined) {
278:                if (defined != this .defined) {
279:                    this .defined = defined;
280:                    hashCode = HASH_INITIAL;
281:                    string = null;
282:                    return true;
283:                }
284:
285:                return false;
286:            }
287:
288:            boolean setEnabled(boolean enabled) {
289:                if (enabled != this .enabled) {
290:                    this .enabled = enabled;
291:                    hashCode = HASH_INITIAL;
292:                    string = null;
293:                    return true;
294:                }
295:
296:                return false;
297:            }
298:
299:            boolean setName(String name) {
300:                if (!Util.equals(name, this .name)) {
301:                    this .name = name;
302:                    hashCode = HASH_INITIAL;
303:                    string = null;
304:                    return true;
305:                }
306:
307:                return false;
308:            }
309:
310:            boolean setDescription(String description) {
311:                if (!Util.equals(description, this .description)) {
312:                    this .description = description;
313:                    hashCode = HASH_INITIAL;
314:                    string = null;
315:                    return true;
316:                }
317:
318:                return false;
319:            }
320:
321:            public String toString() {
322:                if (string == null) {
323:                    final StringBuffer stringBuffer = new StringBuffer();
324:                    stringBuffer.append('[');
325:                    stringBuffer.append(activityRequirementBindings);
326:                    stringBuffer.append(',');
327:                    stringBuffer.append(activityPatternBindings);
328:                    stringBuffer.append(',');
329:                    stringBuffer.append(defined);
330:                    stringBuffer.append(',');
331:                    stringBuffer.append(enabled);
332:                    stringBuffer.append(',');
333:                    stringBuffer.append(id);
334:                    stringBuffer.append(',');
335:                    stringBuffer.append(name);
336:                    stringBuffer.append(']');
337:                    string = stringBuffer.toString();
338:                }
339:
340:                return string;
341:            }
342:
343:            /* (non-Javadoc)
344:             * @see org.eclipse.ui.activities.IActivity#getDescription()
345:             */
346:            public String getDescription() throws NotDefinedException {
347:                if (!defined) {
348:                    throw new NotDefinedException();
349:                }
350:
351:                return description;
352:            }
353:
354:            /* (non-Javadoc)
355:             * @see org.eclipse.ui.activities.IActivity#isDefaultEnabled()
356:             */
357:            public boolean isDefaultEnabled() {
358:                return defaultEnabled;
359:            }
360:
361:            boolean setDefaultEnabled(boolean defaultEnabled) {
362:                if (!Util.equals(defaultEnabled, this .defaultEnabled)) {
363:                    this .defaultEnabled = defaultEnabled;
364:                    hashCode = HASH_INITIAL;
365:                    string = null;
366:                    return true;
367:                }
368:
369:                return false;
370:            }
371:        }
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