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Jetty example source code file (ResponseTest.java)

This example Jetty source code file (ResponseTest.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.

Java - Jetty tags/keywords

exception, exception, http, httpconnection, httpconnection, io, iso-8859-1, iso-8859-1, network, object, request, request, response, response, server, servlet, string, super, testsession, util

The Jetty ResponseTest.java source code

//========================================================================
//$Id: HttpGeneratorTest.java,v 1.1 2005/10/05 14:09:41 janb Exp $
//Copyright 2004-2005 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;


import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Enumeration;
import java.util.Locale;
import java.util.Map;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSessionContext;

import junit.framework.TestCase;

import org.mortbay.jetty.bio.SocketConnector;
import org.mortbay.jetty.handler.AbstractHandler;
import org.mortbay.jetty.handler.ContextHandler;
import org.mortbay.jetty.servlet.AbstractSessionManager;
import org.mortbay.jetty.servlet.HashSessionIdManager;
import org.mortbay.jetty.servlet.HashSessionManager;

/**
 * @author gregw
 *
 * To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
public class ResponseTest extends TestCase
{
    Server server = new Server();
    LocalConnector connector = new LocalConnector();
    
    public ResponseTest(String arg0)
    {
        super(arg0);
        server.setConnectors(new Connector[]{connector});
        server.setHandler(new DumpHandler());
    }

    public static void main(String[] args)
    {
        junit.textui.TestRunner.run(ResponseTest.class);
    }

    /*
     * @see TestCase#setUp()
     */
    protected void setUp() throws Exception
    {
        super.setUp();
        
        server.start();
    }

    /*
     * @see TestCase#tearDown()
     */
    protected void tearDown() throws Exception
    {
        super.tearDown();
        server.stop();
    }
    
    
    public void testContentType()
    	throws Exception
    {

        HttpConnection connection = new HttpConnection(connector,connector._endp,connector._server);
        Response response = connection.getResponse();
        
        assertEquals(null,response.getContentType());
        
        response.setContentType("foo/bar");
        assertEquals("foo/bar",response.getContentType());
        response.getWriter();
        assertEquals("foo/bar; charset=ISO-8859-1",response.getContentType());
        response.setContentType("foo2/bar2");
        assertEquals("foo2/bar2; charset=ISO-8859-1",response.getContentType());
        response.setHeader("name","foo");
        Enumeration en=response.getHeaders("name");
        assertEquals("foo",en.nextElement());
        assertFalse(en.hasMoreElements());
        response.addHeader("name","bar");
        en=response.getHeaders("name");
        assertEquals("foo",en.nextElement());
        assertEquals("bar",en.nextElement());
        assertFalse(en.hasMoreElements());
        
        response.recycle();
        
        response.setContentType("text/html");
        assertEquals("text/html",response.getContentType());
        response.getWriter();
        assertEquals("text/html; charset=iso-8859-1",response.getContentType());
        response.setContentType("foo2/bar2");
        assertEquals("foo2/bar2; charset=ISO-8859-1",response.getContentType());

        response.recycle();
    }


    public void testLocale()
        throws Exception
    {

        HttpConnection connection = new HttpConnection(connector,connector._endp,connector._server);
        Request request = connection.getRequest();
        Response response = connection.getResponse();
        ContextHandler context = new ContextHandler();
        context.addLocaleEncoding(Locale.ENGLISH.toString(),"ISO-8859-1");
        context.addLocaleEncoding(Locale.ITALIAN.toString(),"ISO-8859-2");
        request.setContext(context.getServletContext());

        response.setLocale(java.util.Locale.ITALIAN);
        assertEquals(null,response.getContentType());
        response.setContentType("text/plain");
        assertEquals("text/plain; charset=ISO-8859-2",response.getContentType());

        response.recycle();
        response.setContentType("text/plain");
        response.setCharacterEncoding("utf-8");
        response.setLocale(java.util.Locale.ITALIAN);
        assertEquals("text/plain; charset=utf-8",response.getContentType());
        assertTrue(response.toString().indexOf("charset=utf-8")>0);
    }
    
    public void testContentTypeCharacterEncoding()
        throws Exception
    {
        HttpConnection connection = new HttpConnection(connector,connector._endp,connector._server);
        
        Request request = connection.getRequest();
        Response response = connection.getResponse();
        
        
        response.setContentType("foo/bar");
        response.setCharacterEncoding("utf-8");
        assertEquals("foo/bar; charset=utf-8",response.getContentType());
        response.getWriter();
        assertEquals("foo/bar; charset=utf-8",response.getContentType());
        response.setContentType("foo2/bar2");
        assertEquals("foo2/bar2; charset=utf-8",response.getContentType());
        response.setCharacterEncoding("ISO-8859-1");
        assertEquals("foo2/bar2; charset=utf-8",response.getContentType());

        response.recycle();
        
        response.setContentType("text/html");
        response.setCharacterEncoding("utf-8");
        assertEquals("text/html; charset=utf-8",response.getContentType());
        response.getWriter();
        assertEquals("text/html; charset=utf-8",response.getContentType());
        response.setContentType("text/xml");
        assertEquals("text/xml; charset=utf-8",response.getContentType());
        response.setCharacterEncoding("ISO-8859-1");
        assertEquals("text/xml; charset=utf-8",response.getContentType());
        
    }
    
    public void testCharacterEncodingContentType()
    throws Exception
    {
        Response response = new Response(new HttpConnection(connector,connector._endp,connector._server));
        
        response.setCharacterEncoding("utf-8");
        response.setContentType("foo/bar");
        assertEquals("foo/bar; charset=utf-8",response.getContentType());
        response.getWriter();
        assertEquals("foo/bar; charset=utf-8",response.getContentType());
        response.setContentType("foo2/bar2");
        assertEquals("foo2/bar2; charset=utf-8",response.getContentType());
        response.setCharacterEncoding("ISO-8859-1");
        assertEquals("foo2/bar2; charset=utf-8",response.getContentType());
        
        response.recycle();
        
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html");
        assertEquals("text/html; charset=utf-8",response.getContentType());
        response.getWriter();
        assertEquals("text/html; charset=utf-8",response.getContentType());
        response.setContentType("text/xml");
        assertEquals("text/xml; charset=utf-8",response.getContentType());
        response.setCharacterEncoding("iso-8859-1");
        assertEquals("text/xml; charset=utf-8",response.getContentType());
        
    }

    public void testContentTypeWithCharacterEncoding()
        throws Exception
    {
        Response response = new Response(new HttpConnection(connector,connector._endp,connector._server));
        
        response.setCharacterEncoding("utf16");
        response.setContentType("foo/bar; charset=utf-8");
        assertEquals("foo/bar; charset=utf-8",response.getContentType());
        response.getWriter();
        assertEquals("foo/bar; charset=utf-8",response.getContentType());
        response.setContentType("foo2/bar2");
        assertEquals("foo2/bar2; charset=utf-8",response.getContentType());
        response.setCharacterEncoding("ISO-8859-1");
        assertEquals("foo2/bar2; charset=utf-8",response.getContentType());

        response.recycle();

        response.setCharacterEncoding("utf16");
        response.setContentType("text/html; charset=utf-8");
        assertEquals("text/html; charset=utf-8",response.getContentType());
        response.getWriter();
        assertEquals("text/html; charset=utf-8",response.getContentType());
        response.setContentType("text/xml");
        assertEquals("text/xml; charset=utf-8",response.getContentType());
        response.setCharacterEncoding("iso-8859-1");
        assertEquals("text/xml; charset=utf-8",response.getContentType());
        
    }
    
    public void testContentTypeWithOther()
    throws Exception
    {
        Response response = new Response(new HttpConnection(connector,connector._endp,connector._server));
        
        response.setContentType("foo/bar; other=xyz");
        assertEquals("foo/bar; other=xyz",response.getContentType());
        response.getWriter();
        assertEquals("foo/bar; other=xyz charset=ISO-8859-1",response.getContentType());
        response.setContentType("foo2/bar2");
        assertEquals("foo2/bar2; charset=ISO-8859-1",response.getContentType());
        
        response.recycle();
        
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; other=xyz");
        assertEquals("text/html; other=xyz charset=utf-8",response.getContentType());
        response.getWriter();
        assertEquals("text/html; other=xyz charset=utf-8",response.getContentType());
        response.setContentType("text/xml");
        assertEquals("text/xml; charset=utf-8",response.getContentType());       
    }
    

    public void testContentTypeWithCharacterEncodingAndOther()
        throws Exception
    {
        Response response = new Response(new HttpConnection(connector,connector._endp,connector._server));

        response.setCharacterEncoding("utf16");
        response.setContentType("foo/bar; charset=utf-8 other=xyz");
        assertEquals("foo/bar; charset=utf-8 other=xyz",response.getContentType());
        response.getWriter();
        assertEquals("foo/bar; charset=utf-8 other=xyz",response.getContentType());

        response.recycle();

        response.setCharacterEncoding("utf16");
        response.setContentType("text/html; other=xyz charset=utf-8");
        assertEquals("text/html; other=xyz charset=utf-8",response.getContentType());
        response.getWriter();
        assertEquals("text/html; other=xyz charset=utf-8",response.getContentType());

        response.recycle();
        
        response.setCharacterEncoding("utf16");
        response.setContentType("foo/bar; other=pq charset=utf-8 other=xyz");
        assertEquals("foo/bar; other=pq charset=utf-8 other=xyz",response.getContentType());
        response.getWriter();
        assertEquals("foo/bar; other=pq charset=utf-8 other=xyz",response.getContentType());

    }
    
    public void testStatusCodes() throws Exception
    {
        Response response=newResponse();

        response.sendError(404);
        assertEquals(404, response.getStatus());
        assertEquals(null, response.getReason());
        
        response=newResponse();
        
        response.sendError(500, "Database Error");
        assertEquals(500, response.getStatus());
        assertEquals("Database Error", response.getReason());

        response=newResponse();
        
        response.setStatus(200);
        assertEquals(200, response.getStatus());
        assertEquals(null, response.getReason());
        
        response=newResponse();
        
        response.sendError(406, "Super Nanny");
        assertEquals(406, response.getStatus());
        assertEquals("Super Nanny", response.getReason());
    }
    
    public void testEncodeRedirect()
        throws Exception
    {
        HttpConnection connection=new HttpConnection(connector,connector._endp,connector._server);
        Response response = new Response(connection);
        Request request = connection.getRequest();
        
        assertEquals("http://host:port/path/info;param?query=0&more=1#target",response.encodeRedirectUrl("http://host:port/path/info;param?query=0&more=1#target"));
       
        request.setRequestedSessionId("12345");
        request.setRequestedSessionIdFromCookie(false);
        AbstractSessionManager manager=new HashSessionManager();
        manager.setIdManager(new HashSessionIdManager());
        request.setSessionManager(manager);
        request.setSession(new TestSession(manager,"12345"));
        
        assertEquals("http://host:port/path/info;param;jsessionid=12345?query=0&more=1#target",response.encodeRedirectUrl("http://host:port/path/info;param?query=0&more=1#target"));
              
    }

    public void testSetBufferSize ()
    throws Exception
    {
        Response response = new Response(new HttpConnection(connector,connector._endp,connector._server));
        response.setBufferSize(20*1024);
        response.getWriter().print("hello");
        try
        {
            response.setBufferSize(21*1024);
            fail("Expected IllegalStateException on Request.setBufferSize");
        }
        catch (Exception e)
        {
            assertTrue(e instanceof IllegalStateException);
        }
    }
    
    public void testHead() throws Exception
    {
        Server server = new Server();
        try
        {
            SocketConnector socketConnector = new SocketConnector();
            socketConnector.setPort(0);
            server.addConnector(socketConnector);
            server.addHandler(new AbstractHandler() 
            {
                public void handle(String string, HttpServletRequest request, HttpServletResponse response, int i) throws IOException, ServletException 
                {
                    response.setStatus(200);
                    response.setContentType("text/plain");
                    PrintWriter w = response.getWriter();
                    w.flush();
                    w.println("Geht");
                    w.flush();
                    w.println("Doch");
                    ((Request) request).setHandled(true);
                }
            });
            server.start();

            Socket socket = new Socket("localhost",socketConnector.getLocalPort());
            socket.getOutputStream().write("HEAD / HTTP/1.1\r\nHost: localhost\r\n\r\n".getBytes());
            socket.getOutputStream().write("GET / HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n\r\n".getBytes());
            socket.getOutputStream().flush();
            
            LineNumberReader reader = new LineNumberReader(new InputStreamReader(socket.getInputStream()));
            String line = reader.readLine();
            while (line!=null && line.length()>0)
                line = reader.readLine();

            while (line!=null && line.length()==0)
                line = reader.readLine();

            assertTrue(line.startsWith("HTTP/1.1 200 OK"));
            
        }
        finally
        {
            server.stop();
        }
    }
    
    private Response newResponse()
    {
        HttpConnection connection=new HttpConnection(connector,connector._endp,connector._server);
        connection.getGenerator().reset(false);
        HttpConnection.setCurrentConnection(connection);
        Response response = connection.getResponse();
        connection.getRequest().setRequestURI("/test");
        return response;
    }
    
    class TestSession extends AbstractSessionManager.Session
    {
        public TestSession(AbstractSessionManager abstractSessionManager, String id)
        {
            abstractSessionManager.super(System.currentTimeMillis(), id);
        }

        public Object getAttribute(String name) 
        {
            return null;
        }

        public Enumeration getAttributeNames()
        {

            return null;
        }

        public long getCreationTime()
        {

            return 0;
        }

        public String getId()
        {
            return "12345";
        }

        public long getLastAccessedTime()
        {
            return 0;
        }

        public int getMaxInactiveInterval()
        {
            return 0;
        }

        public ServletContext getServletContext()
        {
            return null;
        }

        public HttpSessionContext getSessionContext()
        {
            return null;
        }

        public Object getValue(String name)
        {
            return null;
        }

        public String[] getValueNames()
        {
            return null;
        }

        public void invalidate()
        {
        }

        public boolean isNew()
        {
            return false;
        }

        public void putValue(String name, Object value)
        {
        }

        public void removeAttribute(String name)
        {
        }

        public void removeValue(String name)
        {   
        }

        public void setAttribute(String name, Object value)
        {
        }

        public void setMaxInactiveInterval(int interval)
        {
        }

        protected Map newAttributeMap()
        {
            // TODO Auto-generated method stub
            return null;
        }
    }
}

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