/**
* 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.jetty;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import java.util.concurrent.CountDownLatch;
import org.apache.camel.AsyncCallback;
import org.apache.camel.AsyncProcessor;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Producer;
import org.apache.camel.component.http.HttpEndpoint;
import org.apache.camel.component.http.HttpExchange;
import org.apache.camel.impl.DefaultProducer;
import org.apache.camel.spi.HeaderFilterStrategy;
import org.mortbay.io.Buffer;
import org.mortbay.jetty.HttpFields;
import org.mortbay.jetty.HttpFields.Field;
import org.mortbay.jetty.HttpMethods;
import org.mortbay.jetty.HttpURI;
import org.mortbay.jetty.client.HttpClient;
import org.mortbay.jetty.client.HttpExchange.ContentExchange;
/**
* @deprecated use org.apache.camel.component.http.HttpProducer instead. Will be removed in Camel 2.0.
*/
public class JettyHttpProducer extends DefaultProducer<HttpExchange> implements Producer<HttpExchange>, AsyncProcessor {
private final class CamelContentExchange extends ContentExchange {
private final AsyncCallback callback;
private final Exchange exchange;
private HttpFields responseFields;
private CamelContentExchange(Exchange exchange, AsyncCallback callback) {
this.exchange = exchange;
this.callback = callback;
responseFields = new HttpFields();
}
protected void onResponseComplete() throws IOException {
super.onRequestComplete();
try {
Message out = exchange.getOut(true);
out.setBody(getResponseContent());
for (Iterator i = responseFields.getFields(); i.hasNext();) {
Field field = (Field)i.next();
out.setHeader(field.getName(), field.getValue());
}
} catch (Throwable e) {
exchange.setException(e);
}
callback.done(false);
}
public HttpFields getResponseFields() {
return responseFields;
}
protected void onResponsetHeader(Buffer name, Buffer value) throws IOException {
responseFields.add(name, value);
}
}
private HttpClient httpClient;
private String address;
public JettyHttpProducer(HttpEndpoint endpoint) {
super(endpoint);
httpClient = ((JettyHttpComponent)endpoint.getComponent()).getHttpClient();
address = endpoint.getHttpUri().toString();
// A workaround where the Jetty client does not like to see
// urls like http://google.com but does like http://google.com/
HttpURI uri = new HttpURI(address);
if (uri.getCompletePath() == null) {
address += "/";
}
}
public void process(Exchange exchange) throws Exception {
final CountDownLatch latch = new CountDownLatch(1);
process(exchange, new AsyncCallback() {
public void done(boolean sync) {
latch.countDown();
}
});
latch.await();
}
public boolean process(final Exchange exchange, final AsyncCallback callback) {
ContentExchange jettyExchange = new CamelContentExchange(exchange, callback);
jettyExchange.setURL(address);
// If a in body can be converted to an InputStream or a Buffer
// then do a POST otherwise, do a GET
Message in = exchange.getIn();
InputStream is = in.getBody(InputStream.class);
if (is != null) {
jettyExchange.setMethod(HttpMethods.POST);
jettyExchange.setRequestContentSource(is);
} else {
Buffer buffer = in.getBody(Buffer.class);
if (buffer != null) {
jettyExchange.setMethod(HttpMethods.POST);
jettyExchange.setRequestContent(buffer);
} else {
jettyExchange.setMethod(HttpMethods.GET);
}
}
// propagate headers to http request
HeaderFilterStrategy strategy = ((HttpEndpoint)getEndpoint()).getHeaderFilterStrategy();
for (String name : in.getHeaders().keySet()) {
String value = in.getHeader(name, String.class);
if ("Content-Type".equals(name)) {
jettyExchange.setRequestContentType(value);
} else if (strategy != null && !strategy.applyFilterToCamelHeaders(name, value)) {
jettyExchange.addRequestHeader(name, value);
}
}
try {
httpClient.send(jettyExchange);
} catch (IOException e) {
exchange.setException(e);
return true;
}
return false;
}
}