/**
*
* 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.http;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Producer;
import org.apache.camel.impl.DefaultProducer;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.methods.ByteArrayRequestEntity;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import java.io.InputStream;
/**
* @version $Revision: 1.1 $
*/
public class HttpProducer extends DefaultProducer<HttpExchange> implements Producer<HttpExchange> {
private HttpClient httpClient = new HttpClient();
public HttpProducer(HttpEndpoint endpoint) {
super(endpoint);
}
public void process(Exchange exchange) throws Exception {
HttpMethod method = createMethod(exchange);
int responseCode = httpClient.executeMethod(method);
// lets store the result in the output message.
InputStream in = method.getResponseBodyAsStream();
Message out = exchange.getOut(true);
out.setBody(in);
// lets set the headers
Header[] headers = method.getResponseHeaders();
for (Header header : headers) {
String name = header.getName();
String value = header.getValue();
out.setHeader(name, value);
}
out.setHeader("http.responseCode", responseCode);
}
protected HttpMethod createMethod(Exchange exchange) {
String uri = getEndpoint().getEndpointUri();
RequestEntity requestEntity = createRequestEntity(exchange);
if (requestEntity == null) {
return new GetMethod(uri);
}
// TODO we might be PUT? - have some better way to explicitly choose method
PostMethod method = new PostMethod(uri);
method.setRequestEntity(requestEntity);
return method;
}
protected RequestEntity createRequestEntity(Exchange exchange) {
Message in = exchange.getIn();
RequestEntity entity = in.getBody(RequestEntity.class);
if (entity == null) {
byte[] data = in.getBody(byte[].class);
String contentType = in.getHeader("Content-Type", String.class);
if (contentType != null) {
return new ByteArrayRequestEntity(data, contentType);
}
else {
return new ByteArrayRequestEntity(data);
}
}
return entity;
}
}