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;
018
019import java.lang.annotation.Documented;
020import java.lang.annotation.ElementType;
021import java.lang.annotation.Retention;
022import java.lang.annotation.RetentionPolicy;
023import java.lang.annotation.Target;
024
025/**
026 * Used to indicate an injection point of a
027 * <a href="http://camel.apache.org/using-propertyplaceholder.html">property placeholder</a> into a POJO.
028 */
029@Retention(RetentionPolicy.RUNTIME)
030@Documented
031@Target({ElementType.FIELD, ElementType.METHOD, ElementType.CONSTRUCTOR, ElementType.PARAMETER})
032public @interface PropertyInject {
033
034    /**
035     * Name of the property
036     */
037    String value();
038
039    /**
040     * Default value to use if the property does not exists or has no value
041     */
042    String defaultValue() default "";
043
044    /**
045     * Id of {@link CamelContext} to use
046     */
047    String context() default "";
048}