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}