package org.jolokia.util;
/*
* Copyright 2009-2013 Roland Huss
*
* 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.
*/
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Simple log handler for dispatching logging to e.g. a {@link javax.servlet.http.HttpServlet}
* @author roland
* @since Nov 11, 2009
*/
public interface LogHandler {
/**
* Log a debug messages
* @param message debug message
*/
void debug(String message);
/**
* Log informal message
* @param message message to log
*/
void info(String message);
/**
* Log an error
*
* @param message error message
* @param t exception causing this error
* */
void error(String message, Throwable t);
// =============================================================================================================
// ====================================================================
/**
* Loghandler for printing to stdout
*/
class StdoutLogHandler implements LogHandler {
private boolean doDebug;
public StdoutLogHandler(boolean pDoDebug) {
doDebug = pDoDebug;
}
public void debug(String message) {
if (doDebug) {
log("D> " + message);
}
}
public void info(String message) {
log("I> " + message);
}
public void error(String message, Throwable t) {
log("E> " + message);
if (t != null) {
t.printStackTrace();
}
}
private void log(String message) {
System.out.println(message); //NOSONAR
}
}
;
}