diff options
Diffstat (limited to 'src/org/apache/commons/logging/impl/Jdk14Logger.java')
-rw-r--r-- | src/org/apache/commons/logging/impl/Jdk14Logger.java | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/src/org/apache/commons/logging/impl/Jdk14Logger.java b/src/org/apache/commons/logging/impl/Jdk14Logger.java new file mode 100644 index 0000000..d4f840c --- /dev/null +++ b/src/org/apache/commons/logging/impl/Jdk14Logger.java @@ -0,0 +1,303 @@ +/* + * 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; + + +/** + * <p>Implementation of the <code>org.apache.commons.logging.Log</code> + * interface that wraps the standard JDK logging mechanisms that were + * introduced in the Merlin release (JDK 1.4).</p> + * + * @author <a href="mailto:sanders@apache.org">Scott Sanders</a> + * @author <a href="mailto:bloritsch@apache.org">Berin Loritsch</a> + * @author <a href="mailto:donaldp@apache.org">Peter Donald</a> + * @version $Revision: 370652 $ $Date: 2006-01-19 22:23:48 +0000 (Thu, 19 Jan 2006) $ + */ + +public class Jdk14Logger implements Log, Serializable { + + /** + * This member variable simply ensures that any attempt to initialise + * this class in a pre-1.4 JVM will result in an ExceptionInInitializerError. + * It must not be private, as an optimising compiler could detect that it + * is not used and optimise it away. + */ + protected static final Level dummyLevel = Level.FINE; + + // ----------------------------------------------------------- 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 ); + } + } + + } + + /** + * Logs a message with <code>java.util.logging.Level.FINE</code>. + * + * @param message to log + * @see org.apache.commons.logging.Log#debug(Object) + */ + public void debug(Object message) { + log(Level.FINE, String.valueOf(message), null); + } + + + /** + * Logs a message with <code>java.util.logging.Level.FINE</code>. + * + * @param message to log + * @param exception log this cause + * @see org.apache.commons.logging.Log#debug(Object, Throwable) + */ + public void debug(Object message, Throwable exception) { + log(Level.FINE, String.valueOf(message), exception); + } + + + /** + * Logs a message with <code>java.util.logging.Level.SEVERE</code>. + * + * @param message to log + * @see org.apache.commons.logging.Log#error(Object) + */ + public void error(Object message) { + log(Level.SEVERE, String.valueOf(message), null); + } + + + /** + * Logs a message with <code>java.util.logging.Level.SEVERE</code>. + * + * @param message to log + * @param exception log this cause + * @see org.apache.commons.logging.Log#error(Object, Throwable) + */ + public void error(Object message, Throwable exception) { + log(Level.SEVERE, String.valueOf(message), exception); + } + + + /** + * Logs a message with <code>java.util.logging.Level.SEVERE</code>. + * + * @param message to log + * @see org.apache.commons.logging.Log#fatal(Object) + */ + public void fatal(Object message) { + log(Level.SEVERE, String.valueOf(message), null); + } + + + /** + * Logs a message with <code>java.util.logging.Level.SEVERE</code>. + * + * @param message to log + * @param exception log this cause + * @see org.apache.commons.logging.Log#fatal(Object, Throwable) + */ + 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); + } + + + /** + * Logs a message with <code>java.util.logging.Level.INFO</code>. + * + * @param message to log + * @see org.apache.commons.logging.Log#info(Object) + */ + public void info(Object message) { + log(Level.INFO, String.valueOf(message), null); + } + + + /** + * Logs a message with <code>java.util.logging.Level.INFO</code>. + * + * @param message to log + * @param exception log this cause + * @see org.apache.commons.logging.Log#info(Object, Throwable) + */ + 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)); + } + + + /** + * Logs a message with <code>java.util.logging.Level.FINEST</code>. + * + * @param message to log + * @see org.apache.commons.logging.Log#trace(Object) + */ + public void trace(Object message) { + log(Level.FINEST, String.valueOf(message), null); + } + + + /** + * Logs a message with <code>java.util.logging.Level.FINEST</code>. + * + * @param message to log + * @param exception log this cause + * @see org.apache.commons.logging.Log#trace(Object, Throwable) + */ + public void trace(Object message, Throwable exception) { + log(Level.FINEST, String.valueOf(message), exception); + } + + + /** + * Logs a message with <code>java.util.logging.Level.WARNING</code>. + * + * @param message to log + * @see org.apache.commons.logging.Log#warn(Object) + */ + public void warn(Object message) { + log(Level.WARNING, String.valueOf(message), null); + } + + + /** + * Logs a message with <code>java.util.logging.Level.WARNING</code>. + * + * @param message to log + * @param exception log this cause + * @see org.apache.commons.logging.Log#warn(Object, Throwable) + */ + public void warn(Object message, Throwable exception) { + log(Level.WARNING, String.valueOf(message), exception); + } + + +} |