/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.component.servlet;
import java.net.URI;
import java.util.Map;
import org.apache.camel.Endpoint;
import org.apache.camel.component.http.CamelServlet;
import org.apache.camel.component.http.HttpClientConfigurer;
import org.apache.camel.component.http.HttpComponent;
import org.apache.camel.component.http.HttpConsumer;
import org.apache.camel.util.CastUtils;
import org.apache.camel.util.IntrospectionSupport;
import org.apache.camel.util.ObjectHelper;
import org.apache.camel.util.URISupport;
import org.apache.camel.util.UnsafeUriCharactersEncoder;
import org.apache.commons.httpclient.HttpConnectionManager;
import org.apache.commons.httpclient.params.HttpClientParams;
public class ServletComponent extends HttpComponent {
private CamelServlet camelServlet;
public void setCamelServlet(CamelServlet servlet) {
camelServlet = servlet;
}
public CamelServlet getCamelServlet(String servletName) {
CamelServlet answer;
if (camelServlet == null) {
answer = CamelHttpTransportServlet.getCamelServlet(servletName);
} else {
answer = camelServlet;
}
if (answer == null) {
throw new IllegalArgumentException("Cannot find the deployed servlet, please configure the ServletComponent"
+ " or configure a org.apache.camel.component.servlet.CamelHttpTransportServlet servlet in web.xml ");
}
return answer;
}
@Override
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
uri = uri.startsWith("servlet:") ? remaining : uri;
HttpClientParams params = new HttpClientParams();
IntrospectionSupport.setProperties(params, parameters, "httpClient.");
// configure regular parameters
configureParameters(parameters);
// restructure uri to be based on the parameters left as we dont want to include the Camel internal options
URI httpUri = URISupport.createRemainingURI(new URI(UnsafeUriCharactersEncoder.encode(uri)),
CastUtils.cast(parameters));
uri = httpUri.toString();
ServletEndpoint result = createServletEndpoint(uri, this, httpUri, params, getHttpConnectionManager(), httpClientConfigurer);
if (httpBinding != null) {
result.setBinding(httpBinding);
}
setEndpointHeaderFilterStrategy(result);
setProperties(result, parameters);
return result;
}
protected ServletEndpoint createServletEndpoint(String endpointUri,
ServletComponent component, URI httpUri, HttpClientParams params,
HttpConnectionManager httpConnectionManager,
HttpClientConfigurer clientConfigurer) throws Exception {
return new ServletEndpoint(endpointUri, component, httpUri, params,
httpConnectionManager, clientConfigurer);
}
public void connect(HttpConsumer consumer) throws Exception {
ServletEndpoint endpoint = (ServletEndpoint) consumer.getEndpoint();
CamelServlet servlet = getCamelServlet(endpoint.getServletName());
ObjectHelper.notNull(servlet, "CamelServlet");
servlet.connect(consumer);
}
public void disconnect(HttpConsumer consumer) throws Exception {
ServletEndpoint endpoint = (ServletEndpoint) consumer.getEndpoint();
CamelServlet servlet = getCamelServlet(endpoint.getServletName());
ObjectHelper.notNull(servlet, "CamelServlet");
servlet.disconnect(consumer);
}
}