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 */ 017 package org.apache.camel.component.pojo; 018 019 import org.apache.camel.CamelContext; 020 import org.apache.camel.Component; 021 import org.apache.camel.EndpointResolver; 022 import org.apache.camel.util.ObjectHelper; 023 024 /** 025 * An implementation of {@link EndpointResolver} that creates 026 * {@link PojoEndpoint} objects. 027 * 028 * The synatax for a Pojo URI looks like: 029 * 030 * <pre><code>pojo:component:queuename</code></pre> 031 * 032 * @version $Revision: 519901 $ 033 */ 034 public class PojoEndpointResolver implements EndpointResolver<PojoExchange> { 035 036 /** 037 * Finds the {@see QueueComponent} specified by the uri. If the {@see QueueComponent} 038 * object do not exist, it will be created. 039 * 040 * @see org.apache.camel.EndpointResolver#resolveComponent(org.apache.camel.CamelContext, java.lang.String) 041 */ 042 public Component resolveComponent(CamelContext container, String uri) { 043 String id[] = getEndpointId(uri); 044 return resolveQueueComponent(container, id[0]); 045 } 046 047 /** 048 * Finds the {@see QueueEndpoint} specified by the uri. If the {@see QueueEndpoint} or it's associated 049 * {@see QueueComponent} object do not exist, they will be created. 050 * 051 * @see org.apache.camel.EndpointResolver#resolveEndpoint(org.apache.camel.CamelContext, java.lang.String) 052 */ 053 public PojoEndpoint resolveEndpoint(CamelContext container, String uri) { 054 String id[] = getEndpointId(uri); 055 PojoComponent component = resolveQueueComponent(container, id[0]); 056 Object pojo = component.lookupRegisteredPojo(id[1]); 057 return new PojoEndpoint(uri, container, component, pojo); 058 } 059 060 private PojoComponent resolveQueueComponent(CamelContext container, String componentName) { 061 Component rc = container.getComponent(componentName); 062 if( rc == null ) { 063 throw new IllegalArgumentException("Invalid URI, pojo component does not exist: "+componentName); 064 } 065 return (PojoComponent) rc; 066 } 067 068 /** 069 * @return an array that looks like: [componentName,endpointName] 070 */ 071 private String[] getEndpointId(String uri) { 072 String rc [] = {null, null}; 073 String splitURI[] = ObjectHelper.splitOnCharacter(uri, ":", 3); 074 if( splitURI[2] != null ) { 075 rc[0] = splitURI[1]; 076 rc[1] = splitURI[2]; 077 } else { 078 throw new IllegalArgumentException("Invalid URI, component not specified in URI: "+uri); 079 } 080 return rc; 081 } 082 083 }