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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.Logger;
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
*
*/
public class Log4jListener implements BuildListener {
/** Indicates if the listener was initialized. */
private final boolean initialized;
/**
* log category we log into
*/
public static final String LOG_ANT = "org.apache.tools.ant";
/**
* Construct the listener and make sure there is a valid appender.
*/
public Log4jListener() {
final Logger log = Logger.getLogger(LOG_ANT);
final Logger rootLog = Logger.getRootLogger();
initialized = !(rootLog.getAllAppenders() instanceof NullEnumeration);
if (!initialized) {
log.error("No log4j.properties in build area");
}
}
/**
* @see BuildListener#buildStarted
*/
/** {@inheritDoc}. */
public void buildStarted(final BuildEvent event) {
if (initialized) {
final Logger log = Logger.getLogger(Project.class.getName());
log.info("Build started.");
}
}
/**
* @see BuildListener#buildFinished
*/
/** {@inheritDoc}. */
public void buildFinished(final BuildEvent event) {
if (initialized) {
final Logger log = Logger.getLogger(Project.class.getName());
if (event.getException() == null) {
log.info("Build finished.");
} else {
log.error("Build finished with error.", event.getException());
}
}
}
/**
* @see BuildListener#targetStarted
*/
/** {@inheritDoc}. */
public void targetStarted(final BuildEvent event) {
if (initialized) {
final Logger log = Logger.getLogger(Target.class.getName());
log.info("Target \"" + event.getTarget().getName() + "\" started.");
}
}
/**
* @see BuildListener#targetFinished
*/
/** {@inheritDoc}. */
public void targetFinished(final BuildEvent event) {
if (initialized) {
final String targetName = event.getTarget().getName();
final Logger cat = Logger.getLogger(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
*/
/** {@inheritDoc}. */
public void taskStarted(final BuildEvent event) {
if (initialized) {
final Task task = event.getTask();
final Logger log = Logger.getLogger(task.getClass().getName());
log.info("Task \"" + task.getTaskName() + "\" started.");
}
}
/**
* @see BuildListener#taskFinished
*/
/** {@inheritDoc}. */
public void taskFinished(final BuildEvent event) {
if (initialized) {
final Task task = event.getTask();
final Logger log = Logger.getLogger(task.getClass().getName());
if (event.getException() == null) {
log.info("Task \"" + task.getTaskName() + "\" finished.");
} else {
log.error("Task \"" + task.getTaskName()
+ "\" finished with error.", event.getException());
}
}
}
/**
* @see BuildListener#messageLogged
*/
/** {@inheritDoc}. */
public void messageLogged(final BuildEvent event) {
if (initialized) {
Object categoryObject = event.getTask();
if (categoryObject == null) {
categoryObject = event.getTarget();
if (categoryObject == null) {
categoryObject = event.getProject();
}
}
final Logger log
= Logger.getLogger(categoryObject.getClass().getName());
switch (event.getPriority()) {
case Project.MSG_ERR:
log.error(event.getMessage());
break;
case Project.MSG_WARN:
log.warn(event.getMessage());
break;
case Project.MSG_INFO:
log.info(event.getMessage());
break;
case Project.MSG_VERBOSE:
log.debug(event.getMessage());
break;
case Project.MSG_DEBUG:
log.debug(event.getMessage());
break;
default:
log.error(event.getMessage());
break;
}
}
}
}
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