The version of Apache log4j used by SoundHelix.

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PRE_UGLI_MOVE :: src / java / org / apache / log4j / rule /

LevelEqualsRule.java

/*
 * Copyright 1999,2004 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.log4j.rule;

import java.io.IOException;
import java.util.LinkedList;
import java.util.List;

import org.apache.log4j.Level;
import org.apache.log4j.helpers.UtilLoggingLevel;
import org.apache.log4j.spi.LoggingEvent;

/**
 * A Rule class implementing equals against two levels.
 * 
 * @author Scott Deboy <sdeboy@apache.org>
 */
public class LevelEqualsRule extends AbstractRule {
    static final long serialVersionUID = -3638386582899583994L;

    private transient Level level;

    private static List levelList = new LinkedList();

    static {
        populateLevels();
    }
    
    private LevelEqualsRule(Level level) {
        this.level = level;
    }

    private static void populateLevels() {
        levelList = new LinkedList();

        levelList.add(Level.FATAL.toString());
        levelList.add(Level.ERROR.toString());
        levelList.add(Level.WARN.toString());
        levelList.add(Level.INFO.toString());
        levelList.add(Level.DEBUG.toString());
        levelList.add(Level.TRACE.toString());
    }

    public static Rule getRule(String value) {
        Level thisLevel = null;
        if (levelList.contains(value.toUpperCase())) {
            thisLevel = Level.toLevel(value.toUpperCase());
          } else {
              thisLevel = UtilLoggingLevel.toLevel(value.toUpperCase());
          }

        return new LevelEqualsRule(thisLevel);
    }

    public boolean evaluate(LoggingEvent event) {
        return level.equals(event.getLevel());
    }

    /**
     * Deserialize the state of the object
     * 
     * @param in
     * 
     * @throws IOException
     */
    private void readObject(java.io.ObjectInputStream in) throws IOException {
        populateLevels();
        boolean isUtilLogging = in.readBoolean();
        int levelInt = in.readInt();
        if (isUtilLogging) {
            level = UtilLoggingLevel.toLevel(levelInt);
        } else {
            level = Level.toLevel(levelInt);
        }
    }

    /**
     * Serialize the state of the object
     * 
     * @param out
     * 
     * @throws IOException
     */
    private void writeObject(java.io.ObjectOutputStream out) throws IOException {
        out.writeBoolean(level instanceof UtilLoggingLevel);
        out.writeInt(level.toInt());
    }
}
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