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/*
 * 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 org.apache.commons.logging.Log;
import org.apache.log4j.Category;
import org.apache.log4j.Priority;

/**
 * 

Implementation of {@link Log} that maps directly to a Log4J * Category. Initial configuration of the corresponding * Category instances should be done in the usual manner, as outlined in * the Log4J documentation.

* * @deprecated Use {@link Log4JLogger} instead. * * @author Scott Sanders * @author Rod Waldhoff * @author Robert Burrell Donkin * @version $Id: Log4JCategoryLog.java,v 1.15 2004/02/28 21:46:45 craigmcc Exp $ */ public final class Log4JCategoryLog implements Log { // ------------------------------------------------------------- Attributes /** The fully qualified name of the Log4JCategoryLog class. */ private static final String FQCN = Log4JCategoryLog.class.getName(); /** Log to this category */ private Category category = null; // ------------------------------------------------------------ Constructor public Log4JCategoryLog() { } /** * Base constructor. */ public Log4JCategoryLog(String name) { this.category=Category.getInstance(name); } /** For use with a log4j factory. */ public Log4JCategoryLog(Category category ) { this.category=category; } // ---------------------------------------------------------- Implmentation /** * Log a message to the Log4j Category with TRACE priority. * Currently logs to DEBUG level in Log4J. */ public void trace(Object message) { category.log(FQCN, Priority.DEBUG, message, null); } /** * Log an error to the Log4j Category with TRACE priority. * Currently logs to DEBUG level in Log4J. */ public void trace(Object message, Throwable t) { category.log(FQCN, Priority.DEBUG, message, t ); } /** * Log a message to the Log4j Category with DEBUG priority. */ public void debug(Object message) { category.log(FQCN, Priority.DEBUG, message, null); } /** * Log an error to the Log4j Category with DEBUG priority. */ public void debug(Object message, Throwable t) { category.log(FQCN, Priority.DEBUG, message, t ); } /** * Log a message to the Log4j Category with INFO priority. */ public void info(Object message) { category.log(FQCN, Priority.INFO, message, null ); } /** * Log an error to the Log4j Category with INFO priority. */ public void info(Object message, Throwable t) { category.log(FQCN, Priority.INFO, message, t ); } /** * Log a message to the Log4j Category with WARN priority. */ public void warn(Object message) { category.log(FQCN, Priority.WARN, message, null ); } /** * Log an error to the Log4j Category with WARN priority. */ public void warn(Object message, Throwable t) { category.log(FQCN, Priority.WARN, message, t ); } /** * Log a message to the Log4j Category with ERROR priority. */ public void error(Object message) { category.log(FQCN, Priority.ERROR, message, null ); } /** * Log an error to the Log4j Category with ERROR priority. */ public void error(Object message, Throwable t) { category.log(FQCN, Priority.ERROR, message, t ); } /** * Log a message to the Log4j Category with FATAL priority. */ public void fatal(Object message) { category.log(FQCN, Priority.FATAL, message, null ); } /** * Log an error to the Log4j Category with FATAL priority. */ public void fatal(Object message, Throwable t) { category.log(FQCN, Priority.FATAL, message, t ); } /** * Return the native Category instance we are using. */ public Category getCategory() { return (this.category); } /** * Check whether the Log4j Category used is enabled for DEBUG priority. */ public boolean isDebugEnabled() { return category.isDebugEnabled(); } /** * Check whether the Log4j Category used is enabled for ERROR priority. */ public boolean isErrorEnabled() { return category.isEnabledFor(Priority.ERROR); } /** * Check whether the Log4j Category used is enabled for FATAL priority. */ public boolean isFatalEnabled() { return category.isEnabledFor(Priority.FATAL); } /** * Check whether the Log4j Category used is enabled for INFO priority. */ public boolean isInfoEnabled() { return category.isInfoEnabled(); } /** * Check whether the Log4j Category used is enabled for TRACE priority. * For Log4J, this returns the value of isDebugEnabled() */ public boolean isTraceEnabled() { return category.isDebugEnabled(); } /** * Check whether the Log4j Category used is enabled for WARN priority. */ public boolean isWarnEnabled() { return category.isEnabledFor(Priority.WARN); } }


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