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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.
*/
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.runtime.RuntimeConstants;
import org.apache.velocity.runtime.log.Log4JLogChute;
import org.apache.log4j.Logger;
import org.apache.log4j.BasicConfigurator;
/**
* Simple example class to show how to use an existing Log4j Logger
* as the Velocity logging target.
*
* @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
* @version $Id: Log4jLoggerExample.java 463298 2006-10-12 16:10:32Z henning $
*/
public class Log4jLoggerExample
{
public static String LOGGER_NAME = "velexample";
public static void main( String args[] )
throws Exception
{
/*
* configure log4j to log to console
*/
BasicConfigurator.configure();
Logger log = Logger.getLogger(LOGGER_NAME);
log.info("Hello from Log4jLoggerExample - ready to start velocity");
/*
* now create a new VelocityEngine instance, and
* configure it to use the logger
*/
VelocityEngine ve = new VelocityEngine();
ve.setProperty(RuntimeConstants.RUNTIME_LOG_LOGSYSTEM_CLASS,
"org.apache.velocity.runtime.log.Log4JLogChute");
ve.setProperty(Log4JLogChute.RUNTIME_LOG_LOG4J_LOGGER, LOGGER_NAME);
ve.init();
log.info("this should follow the initialization output from velocity");
}
}
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