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.servlet;
018
019 import java.net.URI;
020 import java.util.Map;
021
022 import org.apache.camel.Endpoint;
023 import org.apache.camel.component.http.CamelServlet;
024 import org.apache.camel.component.http.HttpComponent;
025 import org.apache.camel.component.http.HttpConsumer;
026 import org.apache.camel.util.IntrospectionSupport;
027 import org.apache.camel.util.ObjectHelper;
028 import org.apache.camel.util.URISupport;
029 import org.apache.camel.util.UnsafeUriCharactersEncoder;
030 import org.apache.commons.httpclient.params.HttpClientParams;
031
032 public class ServletComponent extends HttpComponent {
033
034 private CamelServlet camelServlet;
035
036 public void setCamelServlet(CamelServlet servlet) {
037 camelServlet = servlet;
038 }
039
040
041 public CamelServlet getCamelServlet(String servletName) {
042 CamelServlet answer = null;
043 if (camelServlet == null) {
044 answer = CamelHttpTransportServlet.getCamelServlet(servletName);
045 } else {
046 answer = camelServlet;
047 }
048 if (answer == null) {
049 throw new IllegalArgumentException("Can't find the deployied servlet, please set the ServletComponent with it"
050 + " or delopy a CamelHttpTransportServlet int the web container");
051 }
052 return answer;
053 }
054
055 @Override
056 protected Endpoint createEndpoint(String uri, String remaining, Map parameters) throws Exception {
057 uri = uri.startsWith("servlet:") ? remaining : uri;
058
059 HttpClientParams params = new HttpClientParams();
060 IntrospectionSupport.setProperties(params, parameters, "httpClient.");
061
062 // configure regular parameters
063 configureParameters(parameters);
064
065 // restructure uri to be based on the parameters left as we dont want to include the Camel internal options
066 URI httpUri = URISupport.createRemainingURI(new URI(UnsafeUriCharactersEncoder.encode(uri)), parameters);
067 uri = httpUri.toString();
068
069 ServletEndpoint result = new ServletEndpoint(uri, this, httpUri, params, getHttpConnectionManager(), httpClientConfigurer);
070 if (httpBinding != null) {
071 result.setBinding(httpBinding);
072 }
073 setEndpointHeaderFilterStrategy(result);
074 setProperties(result, parameters);
075 return result;
076 }
077
078
079
080 public void connect(HttpConsumer consumer) throws Exception {
081 ServletEndpoint endpoint = (ServletEndpoint) consumer.getEndpoint();
082 CamelServlet servlet = getCamelServlet(endpoint.getServletName());
083 ObjectHelper.notNull(servlet, "CamelServlet");
084 servlet.connect(consumer);
085 }
086
087 public void disconnect(HttpConsumer consumer) throws Exception {
088 ServletEndpoint endpoint = (ServletEndpoint) consumer.getEndpoint();
089 CamelServlet servlet = getCamelServlet(endpoint.getServletName());
090 ObjectHelper.notNull(servlet, "CamelServlet");
091 servlet.disconnect(consumer);
092 }
093
094 }