/*
* Copyright 2001-2002,2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.listener;
import org.apache.log4j.Category;
import org.apache.log4j.helpers.NullEnumeration;
import org.apache.tools.ant.BuildEvent;
import org.apache.tools.ant.BuildListener;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Target;
import org.apache.tools.ant.Task;
/**
* Listener which sends events to Log4j logging system
*
* @author Conor MacNeill
*/
public class Log4jListener implements BuildListener {
/** Indicates if the listener was initialized. */
private boolean initialized = false;
/**
* Construct the listener and make sure there is a valid appender.
*/
public Log4jListener() {
initialized = false;
Category cat = Category.getInstance("org.apache.tools.ant");
Category rootCat = Category.getRoot();
if (!(rootCat.getAllAppenders() instanceof NullEnumeration)) {
initialized = true;
} else {
cat.error("No log4j.properties in build area");
}
}
/**
* @see BuildListener#buildStarted
*/
public void buildStarted(BuildEvent event) {
if (initialized) {
Category cat = Category.getInstance(Project.class.getName());
cat.info("Build started.");
}
}
/**
* @see BuildListener#buildFinished
*/
public void buildFinished(BuildEvent event) {
if (initialized) {
Category cat = Category.getInstance(Project.class.getName());
if (event.getException() == null) {
cat.info("Build finished.");
} else {
cat.error("Build finished with error.", event.getException());
}
}
}
/**
* @see BuildListener#targetStarted
*/
public void targetStarted(BuildEvent event) {
if (initialized) {
Category cat = Category.getInstance(Target.class.getName());
cat.info("Target \"" + event.getTarget().getName() + "\" started.");
}
}
/**
* @see BuildListener#targetFinished
*/
public void targetFinished(BuildEvent event) {
if (initialized) {
String targetName = event.getTarget().getName();
Category cat = Category.getInstance(Target.class.getName());
if (event.getException() == null) {
cat.info("Target \"" + targetName + "\" finished.");
} else {
cat.error("Target \"" + targetName
+ "\" finished with error.", event.getException());
}
}
}
/**
* @see BuildListener#taskStarted
*/
public void taskStarted(BuildEvent event) {
if (initialized) {
Task task = event.getTask();
Category cat = Category.getInstance(task.getClass().getName());
cat.info("Task \"" + task.getTaskName() + "\" started.");
}
}
/**
* @see BuildListener#taskFinished
*/
public void taskFinished(BuildEvent event) {
if (initialized) {
Task task = event.getTask();
Category cat = Category.getInstance(task.getClass().getName());
if (event.getException() == null) {
cat.info("Task \"" + task.getTaskName() + "\" finished.");
} else {
cat.error("Task \"" + task.getTaskName()
+ "\" finished with error.", event.getException());
}
}
}
/**
* @see BuildListener#messageLogged
*/
public void messageLogged(BuildEvent event) {
if (initialized) {
Object categoryObject = event.getTask();
if (categoryObject == null) {
categoryObject = event.getTarget();
if (categoryObject == null) {
categoryObject = event.getProject();
}
}
Category cat
= Category.getInstance(categoryObject.getClass().getName());
switch (event.getPriority()) {
case Project.MSG_ERR:
cat.error(event.getMessage());
break;
case Project.MSG_WARN:
cat.warn(event.getMessage());
break;
case Project.MSG_INFO:
cat.info(event.getMessage());
break;
case Project.MSG_VERBOSE:
cat.debug(event.getMessage());
break;
case Project.MSG_DEBUG:
cat.debug(event.getMessage());
break;
default:
cat.error(event.getMessage());
break;
}
}
}
}