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Jetty example source code file (HttpExchangeTest.java)
This example Jetty source code file (HttpExchangeTest.java) is included in the DevDaily.com
"Java Source Code
Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.
The Jetty HttpExchangeTest.java source code
// ========================================================================
// Copyright 2006-2007 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed 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.mortbay.jetty.client;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import junit.framework.TestCase;
import org.mortbay.io.Buffer;
import org.mortbay.io.ByteArrayBuffer;
import org.mortbay.jetty.Connector;
import org.mortbay.jetty.EofException;
import org.mortbay.jetty.HttpConnection;
import org.mortbay.jetty.HttpMethods;
import org.mortbay.jetty.Request;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.handler.AbstractHandler;
import org.mortbay.jetty.nio.SelectChannelConnector;
/**
* Functional testing for HttpExchange.
*
* @author Matthew Purland
* @author Greg Wilkins
*/
public class HttpExchangeTest extends TestCase
{
private Server _server;
private int _port;
private HttpClient _httpClient;
protected void setUp() throws Exception
{
startServer();
_httpClient=new HttpClient();
_httpClient.setConnectorType(HttpClient.CONNECTOR_SELECT_CHANNEL);
_httpClient.setMaxConnectionsPerAddress(2);
_httpClient.start();
}
protected void tearDown() throws Exception
{
stopServer();
_httpClient.stop();
}
public void xtestPerf() throws Exception
{
sender(1);
Thread.sleep(200);
sender(10);
Thread.sleep(200);
sender(100);
Thread.sleep(200);
sender(1000);
Thread.sleep(200);
sender(10000);
}
/**
* Test sending data through the exchange.
*
* @throws IOException
*/
public void sender(final int nb) throws Exception
{
final CountDownLatch latch=new CountDownLatch(nb);
long l0=System.currentTimeMillis();
for (int i=0; i<nb; i++)
{
final int n=i;
if (n%1000==0)
{
Thread.sleep(200);
}
HttpExchange httpExchange=new HttpExchange()
{
protected void onRequestCommitted()
{
// System.err.println("Request committed");
}
protected void onResponseStatus(Buffer version, int status, Buffer reason)
{
// System.err.println("Response Status: " + version+" "+status+" "+reason);
}
protected void onResponseHeader(Buffer name, Buffer value)
{
// System.err.println("Response header: " + name + " = " + value);
}
protected void onResponseContent(Buffer content)
{
// System.err.println("Response content:" + content);
}
protected void onResponseComplete()
{
// System.err.println("Response completed "+n);
latch.countDown();
}
};
httpExchange.setURL("http://localhost:"+_port+"/");
httpExchange.addRequestHeader("arbitrary","value");
_httpClient.send(httpExchange);
}
long last=latch.getCount();
while(last>0)
{
// System.err.println("waiting for "+last+" sent "+(System.currentTimeMillis()-l0)/1000 + "s ago ...");
latch.await(5,TimeUnit.SECONDS);
long next=latch.getCount();
if (last==next)
break;
last=next;
}
// System.err.println("missed "+latch.getCount()+" sent "+(System.currentTimeMillis()-l0)/1000 + "s ago.");
assertEquals(0,latch.getCount());
long l1=System.currentTimeMillis();
}
public void testPostWithContentExchange() throws Exception
{
for (int i=0;i<20;i++)
{
HttpExchange.ContentExchange httpExchange=new HttpExchange.ContentExchange();
httpExchange.setURL("http://localhost:"+_port+"/");
httpExchange.setMethod(HttpMethods.POST);
httpExchange.setRequestContent(new ByteArrayBuffer("<hello />"));
_httpClient.send(httpExchange);
httpExchange.waitForStatus(HttpExchange.STATUS_COMPLETED);
String result=httpExchange.getResponseContent();
assertEquals("i="+i,"<hello />",result);
Thread.sleep(5);
}
}
public void testGetWithContentExchange() throws Exception
{
for (int i=0;i<20;i++)
{
HttpExchange.ContentExchange httpExchange=new HttpExchange.ContentExchange();
httpExchange.setURL("http://localhost:"+_port+"/?i="+i);
httpExchange.setMethod(HttpMethods.GET);
_httpClient.send(httpExchange);
httpExchange.waitForStatus(HttpExchange.STATUS_COMPLETED);
String result=httpExchange.getResponseContent();
assertEquals("i="+i,0,result.indexOf("<hello>"));
assertEquals("i="+i,result.length()-10,result.indexOf("</hello>"));
Thread.sleep(5);
}
}
public static void copyStream(InputStream in, OutputStream out)
{
try
{
byte[] buffer=new byte[1024];
int len;
while ((len=in.read(buffer))>=0)
{
out.write(buffer,0,len);
}
}
catch (EofException e)
{
System.err.println(e);
}
catch (IOException e)
{
e.printStackTrace();
}
}
private void startServer() throws Exception
{
_server=new Server();
_server.setGracefulShutdown(500);
Connector connector=new SelectChannelConnector();
connector.setPort(0);
_server.setConnectors(new Connector[] { connector });
_server.setHandler(new AbstractHandler()
{
public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
{
Request base_request=(request instanceof Request)?(Request)request:HttpConnection.getCurrentConnection().getRequest();
base_request.setHandled(true);
response.setStatus(200);
if (request.getMethod().equalsIgnoreCase("GET"))
{
response.getOutputStream().println("<hello>");
for (int i=0; i<100; i++)
{
response.getOutputStream().println(" <world>"+i+"
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