home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

What this is

This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Other links

The source code

/*
 * Copyright 2001-2004 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.commons.logging.impl;


import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.commons.logging.Log;


/**
 * 

Implementation of the org.apache.commons.logging.Log * interface that wraps the standard JDK logging mechanisms that were * introduced in the Merlin release (JDK 1.4).

* * @author Scott Sanders * @author Berin Loritsch * @author Peter Donald * @version $Revision: 1.13 $ $Date: 2004/06/06 21:10:21 $ */ public class Jdk14Logger implements Log, Serializable { // ----------------------------------------------------------- Constructors /** * Construct a named instance of this Logger. * * @param name Name of the logger to be constructed */ public Jdk14Logger(String name) { this.name = name; logger = getLogger(); } // ----------------------------------------------------- Instance Variables /** * The underlying Logger implementation we are using. */ protected transient Logger logger = null; /** * The name of the logger we are wrapping. */ protected String name = null; // --------------------------------------------------------- Public Methods private void log( Level level, String msg, Throwable ex ) { Logger logger = getLogger(); if (logger.isLoggable(level)) { // Hack (?) to get the stack trace. Throwable dummyException=new Throwable(); StackTraceElement locations[]=dummyException.getStackTrace(); // Caller will be the third element String cname="unknown"; String method="unknown"; if( locations!=null && locations.length >2 ) { StackTraceElement caller=locations[2]; cname=caller.getClassName(); method=caller.getMethodName(); } if( ex==null ) { logger.logp( level, cname, method, msg ); } else { logger.logp( level, cname, method, msg, ex ); } } } /** * Log a message with debug log level. */ public void debug(Object message) { log(Level.FINE, String.valueOf(message), null); } /** * Log a message and exception with debug log level. */ public void debug(Object message, Throwable exception) { log(Level.FINE, String.valueOf(message), exception); } /** * Log a message with error log level. */ public void error(Object message) { log(Level.SEVERE, String.valueOf(message), null); } /** * Log a message and exception with error log level. */ public void error(Object message, Throwable exception) { log(Level.SEVERE, String.valueOf(message), exception); } /** * Log a message with fatal log level. */ public void fatal(Object message) { log(Level.SEVERE, String.valueOf(message), null); } /** * Log a message and exception with fatal log level. */ public void fatal(Object message, Throwable exception) { log(Level.SEVERE, String.valueOf(message), exception); } /** * Return the native Logger instance we are using. */ public Logger getLogger() { if (logger == null) { logger = Logger.getLogger(name); } return (logger); } /** * Log a message with info log level. */ public void info(Object message) { log(Level.INFO, String.valueOf(message), null); } /** * Log a message and exception with info log level. */ public void info(Object message, Throwable exception) { log(Level.INFO, String.valueOf(message), exception); } /** * Is debug logging currently enabled? */ public boolean isDebugEnabled() { return (getLogger().isLoggable(Level.FINE)); } /** * Is error logging currently enabled? */ public boolean isErrorEnabled() { return (getLogger().isLoggable(Level.SEVERE)); } /** * Is fatal logging currently enabled? */ public boolean isFatalEnabled() { return (getLogger().isLoggable(Level.SEVERE)); } /** * Is info logging currently enabled? */ public boolean isInfoEnabled() { return (getLogger().isLoggable(Level.INFO)); } /** * Is trace logging currently enabled? */ public boolean isTraceEnabled() { return (getLogger().isLoggable(Level.FINEST)); } /** * Is warn logging currently enabled? */ public boolean isWarnEnabled() { return (getLogger().isLoggable(Level.WARNING)); } /** * Log a message with trace log level. */ public void trace(Object message) { log(Level.FINEST, String.valueOf(message), null); } /** * Log a message and exception with trace log level. */ public void trace(Object message, Throwable exception) { log(Level.FINEST, String.valueOf(message), exception); } /** * Log a message with warn log level. */ public void warn(Object message) { log(Level.WARNING, String.valueOf(message), null); } /** * Log a message and exception with warn log level. */ public void warn(Object message, Throwable exception) { log(Level.WARNING, String.valueOf(message), exception); } }


my book on functional programming

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.