Source Code Cross Referenced for ReportActionRouter.java in  » Testing » jakarta-jmeter » org » apache » jmeter » report » gui » action » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » jakarta jmeter » org.apache.jmeter.report.gui.action 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        //$Header$
002:        /*
003:         * Licensed to the Apache Software Foundation (ASF) under one or more
004:         * contributor license agreements.  See the NOTICE file distributed with
005:         * this work for additional information regarding copyright ownership.
006:         * The ASF licenses this file to You under the Apache License, Version 2.0
007:         * (the "License"); you may not use this file except in compliance with
008:         * the License.  You may obtain a copy of the License at
009:         *
010:         *   http://www.apache.org/licenses/LICENSE-2.0
011:         *
012:         * Unless required by applicable law or agreed to in writing, software
013:         * distributed under the License is distributed on an "AS IS" BASIS,
014:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015:         * See the License for the specific language governing permissions and
016:         * limitations under the License.
017:         * 
018:         */
019:
020:        package org.apache.jmeter.report.gui.action;
021:
022:        import java.awt.event.ActionEvent;
023:        import java.awt.event.ActionListener;
024:        import java.lang.reflect.Modifier;
025:        import java.util.HashMap;
026:        import java.util.HashSet;
027:        import java.util.Iterator;
028:        import java.util.List;
029:        import java.util.Map;
030:        import java.util.Set;
031:
032:        import javax.swing.SwingUtilities;
033:
034:        import org.apache.jmeter.exceptions.IllegalUserActionException;
035:        import org.apache.jmeter.gui.ReportGuiPackage;
036:        import org.apache.jmeter.gui.action.Command;
037:        import org.apache.jmeter.util.JMeterUtils;
038:        import org.apache.jorphan.logging.LoggingManager;
039:        import org.apache.jorphan.reflect.ClassFinder;
040:        import org.apache.log.Logger;
041:
042:        /**
043:         * @author Michael Stover
044:         * @version $Revision: 493793 $
045:         */
046:        public final class ReportActionRouter implements  ActionListener {
047:            private Map commands = new HashMap();
048:
049:            private static ReportActionRouter router;
050:
051:            transient private static Logger log = LoggingManager
052:                    .getLoggerForClass();
053:
054:            private Map preActionListeners = new HashMap();
055:
056:            private Map postActionListeners = new HashMap();
057:
058:            private ReportActionRouter() {
059:            }
060:
061:            public void actionPerformed(final ActionEvent e) {
062:                SwingUtilities.invokeLater(new Runnable() {
063:                    public void run() {
064:                        performAction(e);
065:                    }
066:
067:                });
068:            }
069:
070:            private void performAction(final ActionEvent e) {
071:                try {
072:                    ReportGuiPackage.getInstance().updateCurrentNode();
073:                    Set commandObjects = (Set) commands.get(e
074:                            .getActionCommand());
075:                    Iterator iter = commandObjects.iterator();
076:                    while (iter.hasNext()) {
077:                        try {
078:                            Command c = (Command) iter.next();
079:                            preActionPerformed(c.getClass(), e);
080:                            c.doAction(e);
081:                            postActionPerformed(c.getClass(), e);
082:                        } catch (IllegalUserActionException err) {
083:                            JMeterUtils.reportErrorToUser(err.toString());
084:                        } catch (Exception err) {
085:                            log.error("", err);
086:                        }
087:                    }
088:                } catch (NullPointerException er) {
089:                    log.error("performAction(" + e.getActionCommand() + ") "
090:                            + e.toString() + " caused", er);
091:                    JMeterUtils.reportErrorToUser("Sorry, this feature ("
092:                            + e.getActionCommand() + ") not yet implemented");
093:                }
094:            }
095:
096:            /**
097:             * To execute an action immediately in the current thread.
098:             * 
099:             * @param e
100:             *            the action to execute
101:             */
102:            public void doActionNow(ActionEvent e) {
103:                performAction(e);
104:            }
105:
106:            public Set getAction(String actionName) {
107:                Set set = new HashSet();
108:                Set commandObjects = (Set) commands.get(actionName);
109:                Iterator iter = commandObjects.iterator();
110:                while (iter.hasNext()) {
111:                    try {
112:                        set.add(iter.next());
113:                    } catch (Exception err) {
114:                        log.error("", err);
115:                    }
116:                }
117:                return set;
118:            }
119:
120:            public Command getAction(String actionName, Class actionClass) {
121:                Set commandObjects = (Set) commands.get(actionName);
122:                Iterator iter = commandObjects.iterator();
123:                while (iter.hasNext()) {
124:                    try {
125:                        Command com = (Command) iter.next();
126:                        if (com.getClass().equals(actionClass)) {
127:                            return com;
128:                        }
129:                    } catch (Exception err) {
130:                        log.error("", err);
131:                    }
132:                }
133:                return null;
134:            }
135:
136:            public Command getAction(String actionName, String className) {
137:                Set commandObjects = (Set) commands.get(actionName);
138:                Iterator iter = commandObjects.iterator();
139:                while (iter.hasNext()) {
140:                    try {
141:                        Command com = (Command) iter.next();
142:                        if (com.getClass().getName().equals(className)) {
143:                            return com;
144:                        }
145:                    } catch (Exception err) {
146:                        log.error("", err);
147:                    }
148:                }
149:                return null;
150:            }
151:
152:            /**
153:             * Allows an ActionListener to receive notification of a command being
154:             * executed prior to the actual execution of the command.
155:             * 
156:             * @param action
157:             *            the Class of the command for which the listener will
158:             *            notifications for. Class must extend
159:             *            org.apache.jmeter.report.gui.action.Command.
160:             * @param listener
161:             *            the ActionListener to receive the notifications
162:             */
163:            public void addPreActionListener(Class action,
164:                    ActionListener listener) {
165:                if (action != null) {
166:                    HashSet set = (HashSet) preActionListeners.get(action
167:                            .getName());
168:                    if (set == null) {
169:                        set = new HashSet();
170:                    }
171:                    set.add(listener);
172:                    preActionListeners.put(action.getName(), set);
173:                }
174:            }
175:
176:            /**
177:             * Allows an ActionListener to be removed from receiving notifications of a
178:             * command being executed prior to the actual execution of the command.
179:             * 
180:             * @param action
181:             *            the Class of the command for which the listener will
182:             *            notifications for. Class must extend
183:             *            org.apache.jmeter.report.gui.action.Command.
184:             * @param listener
185:             *            the ActionListener to receive the notifications
186:             */
187:            public void removePreActionListener(Class action,
188:                    ActionListener listener) {
189:                if (action != null) {
190:                    HashSet set = (HashSet) preActionListeners.get(action
191:                            .getName());
192:                    if (set != null) {
193:                        set.remove(listener);
194:                        preActionListeners.put(action.getName(), set);
195:                    }
196:                }
197:            }
198:
199:            /**
200:             * Allows an ActionListener to receive notification of a command being
201:             * executed after the command has executed.
202:             * 
203:             * @param action
204:             *            the Class of the command for which the listener will
205:             *            notifications for. Class must extend
206:             *            org.apache.jmeter.report.gui.action.Command.
207:             * @param listener
208:             */
209:            public void addPostActionListener(Class action,
210:                    ActionListener listener) {
211:                if (action != null) {
212:                    HashSet set = (HashSet) postActionListeners.get(action
213:                            .getName());
214:                    if (set == null) {
215:                        set = new HashSet();
216:                    }
217:                    set.add(listener);
218:                    postActionListeners.put(action.getName(), set);
219:                }
220:            }
221:
222:            /**
223:             * Allows an ActionListener to be removed from receiving notifications of a
224:             * command being executed after the command has executed.
225:             * 
226:             * @param action
227:             *            the Class of the command for which the listener will
228:             *            notifications for. Class must extend
229:             *            org.apache.jmeter.report.gui.action.Command.
230:             * @param listener
231:             */
232:            public void removePostActionListener(Class action,
233:                    ActionListener listener) {
234:                if (action != null) {
235:                    HashSet set = (HashSet) postActionListeners.get(action
236:                            .getName());
237:                    if (set != null) {
238:                        set.remove(listener);
239:                        postActionListeners.put(action.getName(), set);
240:                    }
241:                }
242:            }
243:
244:            protected void preActionPerformed(Class action, ActionEvent e) {
245:                if (action != null) {
246:                    HashSet listenerSet = (HashSet) preActionListeners
247:                            .get(action.getName());
248:                    if (listenerSet != null && listenerSet.size() > 0) {
249:                        Object[] listeners = listenerSet.toArray();
250:                        for (int i = 0; i < listeners.length; i++) {
251:                            ((ActionListener) listeners[i]).actionPerformed(e);
252:                        }
253:                    }
254:                }
255:            }
256:
257:            protected void postActionPerformed(Class action, ActionEvent e) {
258:                if (action != null) {
259:                    HashSet listenerSet = (HashSet) postActionListeners
260:                            .get(action.getName());
261:                    if (listenerSet != null && listenerSet.size() > 0) {
262:                        Object[] listeners = listenerSet.toArray();
263:                        for (int i = 0; i < listeners.length; i++) {
264:                            ((ActionListener) listeners[i]).actionPerformed(e);
265:                        }
266:                    }
267:                }
268:            }
269:
270:            private void populateCommandMap() {
271:                log.info("populateCommandMap called");
272:                List listClasses;
273:                Command command;
274:                Iterator iterClasses;
275:                Class commandClass;
276:                try {
277:                    listClasses = ClassFinder.findClassesThatExtend(JMeterUtils
278:                            .getSearchPaths(), new Class[] { Class
279:                            .forName("org.apache.jmeter.gui.action.Command") });
280:                    commands = new HashMap(listClasses.size());
281:                    if (listClasses.size() == 0) {
282:                        log
283:                                .warn("!!!!!Uh-oh, didn't find any action handlers!!!!!");
284:                    }
285:                    iterClasses = listClasses.iterator();
286:                    while (iterClasses.hasNext()) {
287:                        String strClassName = (String) iterClasses.next();
288:                        if (strClassName
289:                                .startsWith("org.apache.jmeter.report.gui.action")) {
290:                            // log.info("classname:: " + strClassName);
291:                            commandClass = Class.forName(strClassName);
292:                            if (!Modifier.isAbstract(commandClass
293:                                    .getModifiers())) {
294:                                command = (Command) commandClass.newInstance();
295:                                Iterator iter = command.getActionNames()
296:                                        .iterator();
297:                                while (iter.hasNext()) {
298:                                    String commandName = (String) iter.next();
299:                                    Set commandObjects = (Set) commands
300:                                            .get(commandName);
301:                                    if (commandObjects == null) {
302:                                        commandObjects = new HashSet();
303:                                        commands.put(commandName,
304:                                                commandObjects);
305:                                    }
306:                                    commandObjects.add(command);
307:                                }
308:                            }
309:                        }
310:                    }
311:                } catch (Exception e) {
312:                    if ("java.awt.HeadlessException".equals(e.getClass()
313:                            .getName())) // JDK1.4:
314:                    {
315:                        log.warn(e.toString());
316:                    } else {
317:                        log.error("exception finding action handlers", e);
318:                    }
319:                }
320:            }
321:
322:            /**
323:             * Gets the Instance attribute of the ActionRouter class
324:             * 
325:             * @return The Instance value
326:             */
327:            public static ReportActionRouter getInstance() {
328:                if (router == null) {
329:                    router = new ReportActionRouter();
330:                    router.populateCommandMap();
331:                }
332:                return router;
333:            }
334:        }
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