flex.messaging.log.ServletLogTarget Maven / Gradle / Ivy
/*
* 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 flex.messaging.log;
import javax.servlet.ServletContext;
/**
* This is a log target which uses the servlet context in order to log
* messages.
*/
public class ServletLogTarget extends LineFormattedTarget
{
static ServletContext context;
/**
* This method must be called during startup to give this target a reference
* to the ServletContext.
* @param ctx the servlet context
*
*/
public static void setServletContext(ServletContext ctx)
{
context = ctx;
}
//--------------------------------------------------------------------------
//
// Constructor
//
//--------------------------------------------------------------------------
/**
* Default constructor.
*/
public ServletLogTarget()
{
super();
}
boolean warned = false;
/**
* Log a message via the servlet context.
* @param message the message to log.
*/
@Override
protected void internalLog(String message)
{
if (context == null)
{
if (!warned)
{
System.out.println("**** No servlet context set in ServletLogTarget - logging disabled.");
warned = true;
}
}
else
{
context.log(message);
}
}
}