001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/framework/log/JCLLogger.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53115 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042
043 ---------------------------------------------------------------------------*/
044 package org.deegree.framework.log;
045
046 import java.net.URL;
047
048 import org.apache.commons.logging.Log;
049 import org.apache.commons.logging.LogFactory;
050 import org.apache.log4j.BasicConfigurator;
051 import org.apache.log4j.PropertyConfigurator;
052
053 /**
054 * Log service provided for Apache Commons Logging (JCL) log service.
055 *
056 * @author <a href="mailto:tonnhofer@lat-lon.de">Oliver Tonnhofer</a>
057 *
058 * @author last edited by: UID=$Author: otonnhofer $
059 *
060 * @version $Revision: 9720 $, $Date: 2008-01-24 10:57:36 +0100 (Do, 24 Jan 2008) $
061 */
062 public class JCLLogger extends LoggerService {
063
064 Log log;
065
066 private static String LOG4J_PROP_FILE = "log4j.properties";
067 private static String LOG4JLOGGER_CLASS = "org.apache.commons.logging.impl.Log4JLogger";
068
069 static {
070 Log log = LogFactory.getLog( JCLLogger.class );
071
072 // when log4j is used load log4j.properties from class path or package resource
073 // for backwards compatiblity with old Log4JLogger
074 if ( log.getClass().getName().equals( LOG4JLOGGER_CLASS ) ) {
075 URL urlToLog4jProps = JCLLogger.class.getResource( "/" + LOG4J_PROP_FILE );
076 if ( urlToLog4jProps == null ) {
077 urlToLog4jProps = JCLLogger.class.getResource( LOG4J_PROP_FILE );
078 }
079 if ( urlToLog4jProps != null ) {
080 PropertyConfigurator.configure( urlToLog4jProps );
081 log.debug( "Log4J: found log4j.properties, initialized the Logger with configuration found in file "
082 + urlToLog4jProps );
083 } else {
084 // Set up a simple configuration that logs on the console.
085 BasicConfigurator.configure();
086 log.warn( "Log4J: No log4j.properties found, initialized Log4J with a BasicConfiguration." );
087 }
088 }
089 }
090
091 public void bindClass( String name ) {
092 this.log = LogFactory.getLog( name );
093 }
094
095 public void bindClass( Class name ) {
096 this.log = LogFactory.getLog( name );
097 }
098
099 public int getLevel() {
100 if ( log.isDebugEnabled() || log.isTraceEnabled() ) {
101 return ILogger.LOG_DEBUG;
102 } else if ( log.isInfoEnabled() ) {
103 return ILogger.LOG_INFO;
104 } else if ( log.isWarnEnabled() ) {
105 return ILogger.LOG_WARNING;
106 } else { // log.isErrorEnabled() || log.isFatalEnabled()
107 return ILogger.LOG_ERROR;
108 }
109 }
110
111
112 public void setLevel( int level ) {
113 log.error( "Can't change log level at runtime. " +
114 "Use the appropriate properties file for configuration." );
115 }
116
117 public boolean isDebug() {
118 return log.isDebugEnabled();
119 }
120
121 public void logDebug( String message ) {
122 log.debug( message );
123 }
124
125 public void logDebug( String message, Throwable e ) {
126 log.debug( message, e );
127 }
128
129 public void logDebug( String message, Object tracableObject ) {
130 log.debug( message + ": " + tracableObject );
131 }
132
133 public void logDebug( String message, Object... tracableObjects ) {
134 if ( log.isDebugEnabled() ) {
135 log.debug( stringFromObjects( message, tracableObjects ) );
136 }
137 }
138
139
140 public void logError( String message ) {
141 log.error( message );
142 }
143
144 public void logError( String message, Throwable e ) {
145 log.error( message, e );
146 }
147
148
149 public void logInfo( String message ) {
150 log.info( message );
151 }
152
153 public void logInfo( String message, Throwable e ) {
154 log.info( message, e );
155 }
156
157 public void logInfo( String message, Object tracableObject ) {
158 log.info( message + ": " + tracableObject );
159 }
160
161 public void logInfo( String message, Object... tracableObject ) {
162 if ( log.isInfoEnabled() ) {
163 log.info( stringFromObjects( message, tracableObject ) );
164 }
165 }
166
167 public void logWarning( String message ) {
168 log.warn( message );
169 }
170
171 public void logWarning( String message, Throwable e ) {
172 log.warn( message, e );
173 }
174
175 // not used?
176 public void log( int priority, String message, Throwable ex ) {
177 logDebug( message, ex );
178 }
179
180 // not used?
181 public void log( int priority, String message, Object source, Throwable ex ) {
182 logDebug( message, ex );
183 }
184
185
186 private String stringFromObjects( String message, Object... objects ) {
187 StringBuilder sb = new StringBuilder( message );
188 for ( Object part: objects ) {
189 sb.append( ' ' ).append( part.toString() );
190 }
191 return sb.toString();
192 }
193 }