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.camel.processor;
018
019import org.apache.camel.AsyncCallback;
020import org.apache.camel.AsyncProcessor;
021import org.apache.camel.Exchange;
022import org.apache.camel.Message;
023import org.apache.camel.Traceable;
024import org.apache.camel.support.ServiceSupport;
025import org.apache.camel.util.AsyncProcessorHelper;
026
027/**
028 * A processor which removes one ore more properties from the exchange
029 */
030public class RemovePropertiesProcessor extends ServiceSupport implements AsyncProcessor, Traceable {
031    private final String pattern;
032    private final String[] excludePattern;
033
034    public RemovePropertiesProcessor(String pattern, String[] excludePattern) {
035        this.pattern = pattern;
036        this.excludePattern = excludePattern;
037    }
038
039    public void process(Exchange exchange) throws Exception {
040        AsyncProcessorHelper.process(this, exchange);
041    }
042
043    @Override
044    public boolean process(Exchange exchange, AsyncCallback callback) {
045        try {
046            exchange.removeProperties(pattern, excludePattern);
047        } catch (Exception e) {
048            exchange.setException(e);
049        }
050
051        callback.done(true);
052        return true;
053    }
054
055    @Override
056    public String toString() {
057        return "RemoveProperties(" + pattern + ")";
058    }
059
060    public String getTraceLabel() {
061        return "removeProperties[" + pattern + "]";
062    }
063
064    @Override
065    protected void doStart() throws Exception {
066        // noop
067    }
068
069    @Override
070    protected void doStop() throws Exception {
071        // noop
072    }
073}