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package org.codehaus.plexus.logging;

/*
 * Copyright 2001-2006 Codehaus 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.
 */

/*
 * LICENSE
 */

/**
 * @author Trygve Laugstøl
 * @version $Id: AbstractLogger.java 6965 2007-10-21 05:32:27Z jvanzyl $
 */
public abstract class AbstractLogger
        implements Logger
{
    private int threshold;

    private String name;

    public AbstractLogger( int threshold, String name )
    {
        if ( !isValidThreshold( threshold ) )
        {
            throw new IllegalArgumentException( "Threshold " + threshold + " is not valid" );
        }

        this.threshold = threshold;
        this.name = name;
    }

    public int getThreshold()
    {
        return threshold;
    }

    public void setThreshold( int threshold )
    {
        this.threshold = threshold;
    }

    public String getName()
    {
        return name;
    }

    public void debug( String message )
    {
        debug( message, null );
    }

    public boolean isDebugEnabled()
    {
        return threshold <= LEVEL_DEBUG;
    }

    public void info( String message )
    {
        info( message, null );
    }

    public boolean isInfoEnabled()
    {
        return threshold <= LEVEL_INFO;
    }

    public void warn( String message )
    {
        warn( message, null );
    }

    public boolean isWarnEnabled()
    {
        return threshold <= LEVEL_WARN;
    }

    public void error( String message )
    {
        error( message, null );
    }

    public boolean isErrorEnabled()
    {
        return threshold <= LEVEL_ERROR;
    }

    public void fatalError( String message )
    {
        fatalError( message, null );
    }

    public boolean isFatalErrorEnabled()
    {
        return threshold <= LEVEL_FATAL;
    }

    protected boolean isValidThreshold( int threshold )
    {
        if ( threshold == LEVEL_DEBUG )
        {
            return true;
        }
        if ( threshold == LEVEL_INFO )
        {
            return true;
        }
        if ( threshold == LEVEL_WARN )
        {
            return true;
        }
        if ( threshold == LEVEL_ERROR )
        {
            return true;
        }
        if ( threshold == LEVEL_FATAL )
        {
            return true;
        }
        if ( threshold == LEVEL_DISABLED )
        {
            return true;
        }

        return false;
    }
}