| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.ant.antcore.execution; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.HashMap; |
| import java.util.List; |
| import org.apache.ant.common.antlib.Task; |
| import org.apache.ant.common.event.BuildEvent; |
| import org.apache.ant.common.event.BuildListener; |
| import org.apache.ant.common.model.ModelElement; |
| import org.apache.ant.common.util.DemuxOutputReceiver; |
| import org.apache.ant.common.event.MessageLevel; |
| |
| /** |
| * BuildEventSupport is used by classes which which to send build events to |
| * the BuildListeners |
| * |
| * @author <a href="mailto:conor@apache.org">Conor MacNeill</a> |
| * @created 15 January 2002 |
| */ |
| public class BuildEventSupport implements DemuxOutputReceiver { |
| /** |
| * The listeners attached to the object which contains this support |
| * object |
| */ |
| private List listeners = new ArrayList(); |
| |
| /** Records the latest task to be executed on a thread (Thread to Task). */ |
| private Map threadTasks = new HashMap(); |
| |
| /** |
| * Gets the listeners of the BuildEventSupport |
| * |
| * @return the listeners value |
| */ |
| public Iterator getListeners() { |
| return listeners.iterator(); |
| } |
| |
| /** |
| * Add a listener |
| * |
| * @param listener the listener to be added |
| */ |
| public void addBuildListener(BuildListener listener) { |
| listeners.add(listener); |
| } |
| |
| /** |
| * Remove a listener |
| * |
| * @param listener the listener to be removed |
| */ |
| public void removeBuildListener(BuildListener listener) { |
| listeners.remove(listener); |
| } |
| |
| /** |
| * Fire a build started event |
| * |
| * @param element the build element with which the event is associated |
| */ |
| public void fireBuildStarted(ModelElement element) { |
| BuildEvent event = new BuildEvent(element, BuildEvent.BUILD_STARTED); |
| for (Iterator i = listeners.iterator(); i.hasNext(); ) { |
| BuildListener listener = (BuildListener)i.next(); |
| listener.buildStarted(event); |
| } |
| } |
| |
| /** |
| * Fir a build finished event |
| * |
| * @param element the build element with which the event is associated |
| * @param cause an exception if there was a failure in the build |
| */ |
| public void fireBuildFinished(ModelElement element, |
| Throwable cause) { |
| BuildEvent event = new BuildEvent(element, BuildEvent.BUILD_FINISHED, |
| cause); |
| for (Iterator i = listeners.iterator(); i.hasNext(); ) { |
| BuildListener listener = (BuildListener)i.next(); |
| listener.buildFinished(event); |
| } |
| } |
| |
| /** |
| * fire a target started event |
| * |
| * @param element the build element with which the event is associated |
| */ |
| public void fireTargetStarted(ModelElement element) { |
| BuildEvent event = new BuildEvent(element, BuildEvent.TARGET_STARTED); |
| for (Iterator i = listeners.iterator(); i.hasNext(); ) { |
| BuildListener listener = (BuildListener)i.next(); |
| listener.targetStarted(event); |
| } |
| } |
| |
| /** |
| * fire a target finished event |
| * |
| * @param element the build element with which the event is associated |
| * @param cause an exception if there was a failure in the target's task |
| */ |
| public void fireTargetFinished(ModelElement element, |
| Throwable cause) { |
| BuildEvent event = new BuildEvent(element, BuildEvent.TARGET_FINISHED, |
| cause); |
| for (Iterator i = listeners.iterator(); i.hasNext(); ) { |
| BuildListener listener = (BuildListener)i.next(); |
| listener.targetFinished(event); |
| } |
| } |
| |
| /** |
| * fire a task started event |
| * |
| * @param task the task with which the event is associated |
| */ |
| public void fireTaskStarted(Task task) { |
| synchronized (this) { |
| threadTasks.put(Thread.currentThread(), task); |
| } |
| BuildEvent event = new BuildEvent(task, BuildEvent.TASK_STARTED); |
| for (Iterator i = listeners.iterator(); i.hasNext(); ) { |
| BuildListener listener = (BuildListener)i.next(); |
| listener.taskStarted(event); |
| } |
| } |
| |
| /** |
| * fire a task finished event |
| * |
| * @param task the task with which the event is associated |
| * @param cause an exception if there was a failure in the task |
| */ |
| public void fireTaskFinished(Task task, |
| Throwable cause) { |
| System.out.flush(); |
| System.err.flush(); |
| synchronized (this) { |
| threadTasks.remove(Thread.currentThread()); |
| } |
| BuildEvent event = new BuildEvent(task, BuildEvent.TASK_FINISHED, |
| cause); |
| for (Iterator i = listeners.iterator(); i.hasNext(); ) { |
| BuildListener listener = (BuildListener)i.next(); |
| listener.taskFinished(event); |
| } |
| } |
| |
| /** |
| * Send a message event |
| * |
| * @param source the build element with which the event is associated |
| * @param message the message to be sent |
| * @param priority the priority of the message |
| */ |
| public void fireMessageLogged(Object source, |
| String message, int priority) { |
| BuildEvent event = new BuildEvent(source, message, priority); |
| for (Iterator i = listeners.iterator(); i.hasNext(); ) { |
| BuildListener listener = (BuildListener)i.next(); |
| listener.messageLogged(event); |
| } |
| } |
| |
| /** |
| * Demultiplexes output so that each task receives the appropriate |
| * messages. If the current thread is not currently executing a task, |
| * the message is logged directly. |
| * |
| * @param line Message to handle. Should not be <code>null</code>. |
| * @param isError Whether the text represents an error (<code>true</code> |
| * ) or information (<code>false</code>). |
| */ |
| public void threadOutput(String line, boolean isError) { |
| Task task = (Task)threadTasks.get(Thread.currentThread()); |
| if (task == null) { |
| fireMessageLogged(this, line, |
| isError ? MessageLevel.MSG_ERR : MessageLevel.MSG_INFO); |
| } else { |
| if (isError) { |
| task.handleSystemErr(line); |
| } else { |
| task.handleSystemOut(line); |
| } |
| } |
| } |
| } |
| |