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.model; 018 019import javax.xml.bind.annotation.XmlAccessType; 020import javax.xml.bind.annotation.XmlAccessorType; 021import javax.xml.bind.annotation.XmlAttribute; 022import javax.xml.bind.annotation.XmlRootElement; 023import javax.xml.bind.annotation.XmlTransient; 024 025import org.apache.camel.Processor; 026import org.apache.camel.processor.RemoveHeadersProcessor; 027import org.apache.camel.spi.Metadata; 028import org.apache.camel.spi.RouteContext; 029import org.apache.camel.util.ObjectHelper; 030 031/** 032 * Removes message headers whose name matches a specified pattern 033 */ 034@Metadata(label = "eip,transformation") 035@XmlRootElement(name = "removeHeaders") 036@XmlAccessorType(XmlAccessType.FIELD) 037public class RemoveHeadersDefinition extends NoOutputDefinition<RemoveHeadersDefinition> { 038 @XmlAttribute(required = true) 039 private String pattern; 040 @XmlAttribute 041 private String excludePattern; 042 // in XML we cannot use String[] for attributes, so we provide a single attribute instead 043 @XmlTransient 044 private String[] excludePatterns; 045 046 public RemoveHeadersDefinition() { 047 } 048 049 public RemoveHeadersDefinition(String pattern) { 050 setPattern(pattern); 051 } 052 053 public RemoveHeadersDefinition(String pattern, String... excludePatterns) { 054 setPattern(pattern); 055 setExcludePatterns(excludePatterns); 056 } 057 058 @Override 059 public String toString() { 060 return "RemoveHeaders[" + getPattern() + "]"; 061 } 062 063 @Override 064 public String getLabel() { 065 return "removeHeaders[" + getPattern() + "]"; 066 } 067 068 @Override 069 public Processor createProcessor(RouteContext routeContext) throws Exception { 070 ObjectHelper.notNull(getPattern(), "patterns", this); 071 if (getExcludePatterns() != null) { 072 return new RemoveHeadersProcessor(getPattern(), getExcludePatterns()); 073 } else if (getExcludePattern() != null) { 074 return new RemoveHeadersProcessor(getPattern(), new String[]{getExcludePattern()}); 075 } else { 076 return new RemoveHeadersProcessor(getPattern(), null); 077 } 078 } 079 080 /** 081 * Name or pattern of headers to remove 082 */ 083 public void setPattern(String pattern) { 084 this.pattern = pattern; 085 } 086 087 public String getPattern() { 088 return pattern; 089 } 090 091 public String[] getExcludePatterns() { 092 return excludePatterns; 093 } 094 095 /** 096 * Name or pattern of headers to not remove 097 */ 098 public void setExcludePatterns(String[] excludePatterns) { 099 this.excludePatterns = excludePatterns; 100 } 101 102 public String getExcludePattern() { 103 return excludePattern; 104 } 105 106 /** 107 * Name or patter of headers to not remove 108 */ 109 public void setExcludePattern(String excludePattern) { 110 this.excludePattern = excludePattern; 111 } 112}