org.apache.commons.logging.impl.NoOpLog Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of pax-logging-api Show documentation

The Pax Logging API Library is to allow for the Pax Logging Service to be reloaded without stopping the many dependent bundles. It also contains the OSGi Log Service API and the Knopflerfish Log API.

There is a newer version: 2.2.8

Show newest version

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.commons.logging.Log;

/**
 * Trivial implementation of Log that throws away all messages.  No
 * configurable system properties are supported.
 *
 * @version $Id: NoOpLog.java 1432663 2013-01-13 17:24:18Z tn $
 */
public class NoOpLog implements Log, Serializable {

    /** Serializable version identifier. */
    private static final long serialVersionUID = 561423906191706148L;

    /** 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; }

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