/*
 * 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;


/**
 * <p>Trivial implementation of Log that throws away all messages.  No
 * configurable system properties are supported.</p>
 *
 * @author <a href="mailto:sanders@apache.org">Scott Sanders</a>
 * @author Rod Waldhoff
 * @version $Id: NoOpLog.java,v 1.6 2004/02/28 21:46:45 craigmcc Exp $
 */
public class NoOpLog implements Log {

    /** Convenience constructor */
    public NoOpLog() { }
    /** Base constructor */
    public NoOpLog(String name) { }
    /** Do nothing */
    public void trace(Object message) { }
    /** Do nothing */
    public void trace(Object message, Throwable t) { }
    /** 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; }

    /**
     * Error is never enabled.
     *
     * @return false
     */
    public final boolean isErrorEnabled() { return false; }

    /**
     * Fatal is never enabled.
     *
     * @return false
     */
    public final boolean isFatalEnabled() { return false; }

    /**
     * Info is never enabled.
     *
     * @return false
     */
    public final boolean isInfoEnabled() { return false; }

    /**
     * Trace is never enabled.
     *
     * @return false
     */
    public final boolean isTraceEnabled() { return false; }

    /**
     * Warning is never enabled.
     *
     * @return false
     */
    public final boolean isWarnEnabled() { return false; }

}

@@ -663,16 +663,45 @@
 impl;%0A%0A%0A
+import java.io.Serializable;%0A
 import o
@@ -987,17 +987,17 @@
 ava,v 1.
-6
+7
  2004/02
@@ -1005,15 +1005,15 @@
 28 2
-1:46:45
+3:05:01
  cra
@@ -1063,16 +1063,30 @@
 ents Log
+, Serializable
  %7B%0A%0A    

Make this implementation Serializable as well.