001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache license, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the license for the specific language governing permissions and
015 * limitations under the license.
016 */
017package org.apache.log4j.bridge;
018
019import org.apache.log4j.rewrite.RewritePolicy;
020import org.apache.log4j.spi.LoggingEvent;
021import org.apache.logging.log4j.core.LogEvent;
022
023
024/**
025 * Binds a Log4j 1.x RewritePolicy to Log4j 2.
026 */
027public class RewritePolicyAdapter implements org.apache.logging.log4j.core.appender.rewrite.RewritePolicy {
028
029    private final RewritePolicy policy;
030
031    /**
032     * Constructor.
033     */
034    public RewritePolicyAdapter(RewritePolicy policy) {
035        this.policy = policy;
036    }
037
038    @Override
039    public LogEvent rewrite(LogEvent source) {
040        LoggingEvent event = policy.rewrite(new LogEventAdapter(source));
041        return event instanceof LogEventAdapter ? ((LogEventAdapter) event).getEvent() : new LogEventWrapper(event);
042    }
043
044    public RewritePolicy getPolicy() {
045        return this.policy;
046    }
047
048}