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Same implementation but added long license and java doc comments

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/logging/trunk@138824 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Burrell Donkin
2002-01-03 18:58:00 +00:00
parent 6faf1a6587
commit 18ee959b10
2 changed files with 172 additions and 12 deletions
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88
src/java/org/apache/commons/logging/LogSource.java
View File

@@ -1,9 +1,62 @@
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//logging/src/java/org/apache/commons/logging/LogSource.java,v 1.5 2002/01/03 18:58:00 rdonkin Exp $
* $Revision: 1.5 $
* $Date: 2002/01/03 18:58:00 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.commons.logging;
@@ -19,11 +72,19 @@ import java.lang.reflect.InvocationTargetException;
* of the configured {@link Log} implementation class.</p>
*
* @author Rod Waldhoff
* @version $Id: LogSource.java,v 1.4 2001/12/04 04:28:03 craigmcc Exp $
* @version $Id: LogSource.java,v 1.5 2002/01/03 18:58:00 rdonkin Exp $
*/
public class LogSource {
// --------------------------------------------------------- Class Attributes
static protected HashMap _logs = new HashMap();
/** Is log4j available (in the current classpath) */
static protected boolean _log4jIsAvailable = false;
// --------------------------------------------------------- Class Initializers
static {
try {
if(null != Class.forName("org.apache.log4j.Category")) {
@@ -40,10 +101,14 @@ public class LogSource {
}
}
/** Constructor for current log class */
static protected Constructor _logimplctor = null;
static {
try {
setLogImplementation(System.getProperty("org.apache.commons.logging.log","org.apache.commons.logging.NoOpLog"));
setLogImplementation(
System.getProperty(
"org.apache.commons.logging.log","org.apache.commons.logging.NoOpLog"));
} catch(SecurityException e) {
_logimplctor = null;
} catch(LinkageError e) {
@@ -55,9 +120,15 @@ public class LogSource {
}
}
// --------------------------------------------------------- Constructor
/** Don't allow others to create instances */
private LogSource() {
}
// --------------------------------------------------------- Class Methods
/**
* Set the log implementation/log implementation factory
* by the name of the class. The given class
@@ -89,6 +160,8 @@ public class LogSource {
_logimplctor = logclass.getConstructor(argtypes);
}
/** Get a <code>Log</code> instance by class name */
static public Log getInstance(String name) {
Log log = (Log)(_logs.get(name));
if(null == log) {
@@ -98,6 +171,7 @@ public class LogSource {
return log;
}
/** Get a <code>Log</code> instance by class */
static public Log getInstance(Class clazz) {
return getInstance(clazz.getName());
}
@@ -116,7 +190,7 @@ public class LogSource {
* {@link String} argument (containing the <i>name</i>
* of the {@link Log} to be constructed.
* <p>
* When <tt>httpclient.log</tt> is not set,
* When <tt>org.apache.commons.logging.log</tt> is not set,
* or when no corresponding class can be found,
* this method will return a {@link Log4JCategoryLog}
* if the log4j {@link org.apache.log4j.Category} class is

96
src/java/org/apache/commons/logging/NoOpLog.java
View File

@@ -1,11 +1,65 @@
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//logging/src/java/org/apache/commons/logging/Attic/NoOpLog.java,v 1.7 2002/01/03 18:56:54 rdonkin Exp $
* $Revision: 1.7 $
* $Date: 2002/01/03 18:56:54 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.commons.logging;
/**
@@ -13,23 +67,55 @@ package org.apache.commons.logging;
* configurable system properties are supported.</p>
*
* @author Rod Waldhoff
* @version $Id: NoOpLog.java,v 1.6 2001/12/04 04:28:03 craigmcc Exp $
* @version $Id: NoOpLog.java,v 1.7 2002/01/03 18:56:54 rdonkin Exp $
*/
public final class NoOpLog implements Log {
/** Convenience constructor */
public NoOpLog() { }
/** Base constructor */
public NoOpLog(String name) { }
/** Do nothing */
public void debug(Object message) { }
/** Do nothing */
public void debug(Object message, Throwable t) { }
/** Do nothing */
public void info(Object message) { }
/** Do nothing */
public void info(Object message, Throwable t) { }
/** Do nothing */
public void warn(Object message) { }
/** Do nothing */
public void warn(Object message, Throwable t) { }
/** Do nothing */
public void error(Object message) { }
/** Do nothing */
public void error(Object message, Throwable t) { }
/** Do nothing */
public void fatal(Object message) { }
/** Do nothing */
public void fatal(Object message, Throwable t) { }
/**
* Debug is never enabled.
*
* @return false
*/
public final boolean isDebugEnabled() { return false; }
/**
* Info is never enabled.
*
* @return false
*/
public final boolean isInfoEnabled() { return false; }
/** Do nothing */
public final void setLevel(int level) { }
/**
* Always return off.
*
* @return <code>Log.OFF</code>
*/
public final int getLevel() { return Log.OFF; }
}