001 /** 002 * 003 * Licensed to the Apache Software Foundation (ASF) under one or more 004 * contributor license agreements. See the NOTICE file distributed with 005 * this work for additional information regarding copyright ownership. 006 * The ASF licenses this file to You under the Apache License, Version 2.0 007 * (the "License"); you may not use this file except in compliance with 008 * the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 package org.apache.camel; 019 020 import java.lang.annotation.Retention; 021 import java.lang.annotation.RetentionPolicy; 022 import java.lang.annotation.Target; 023 import java.lang.annotation.ElementType; 024 025 /** 026 * Marks a parameter as being a header on an inbound {@link Message} 027 * 028 * @version $Revision: 523756 $ 029 */ 030 @Retention(RetentionPolicy.RUNTIME) 031 @Target({ElementType.PARAMETER}) 032 public @interface Header { 033 String name(); 034 }