Examples of org.xlightweb.RequestHandlerChain

org.xlightweb.RequestHandlerChain

Implements a handler chain. The next handler of the chain will be called (in the registering order) by forwarding the request. See {@link IHttpExchange}. Example:

 @Execution(Execution.NONTHREADED) class HeaderLogInterceptor implements IHttpRequestHandler { public void onRequest(final IHttpExchange exchange) throws IOException { IHttpResponseHandler respHdl = new IHttpResponseHandler() { public void onResponse(IHttpResponse response) throws IOException { System.out.println(response.getResponseHeader()); exchange.send(response); } public void onException(IOException ioe) { System.out.println(ioe.toString()); exchange.sendError(500); } }; System.out.println(exchange.getRequest().getRequestHeader()); exchange.forward(exchange.getRequest(), respHdl); } } RequestHandlerChain chain = new RequestHandlerChain(); chain.addLast(new HeaderLogInterceptor()); chain.addLast(new MySeviceHandler()); IServer server = new HttpServer(8080, chain); server.start();

@author grro@xlightweb.org

  


  @Test
  public void testReadingBlockingBodyWithinServerHandler() throws Exception {
    
    RequestHandlerChain chain = new RequestHandlerChain();
    chain.addLast(new RequestFilter());
    chain.addLast(new BlockingReadHandler());
    
    
    final IServer server = new HttpServer(chain);
    ConnectionUtils.start(server);

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  @Test 
  public void testEmptyChain() throws Exception {
  
    RequestHandlerChain root = new RequestHandlerChain();
    
    IServer server = new HttpServer(root);
    ConnectionUtils.start(server);
    
    IBlockingConnection con = new BlockingConnection("localhost", server.getLocalPort());

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  @Test 
  public void testUnhandledRequest() throws Exception {
  
    RequestHandlerChain root = new RequestHandlerChain();
    DoNothingFilter doNothingFilter = new DoNothingFilter();
    root.addLast(doNothingFilter);
    
    IServer server = new HttpServer(root);
    ConnectionUtils.start(server);
    
    IBlockingConnection con = new BlockingConnection("localhost", server.getLocalPort());

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public final class RequestHandlerChainTest {


 
  @Test 
  public void testFirstHandler() throws Exception {
     RequestHandlerChain chain = new RequestHandlerChain();
    
    RequestHandler h1 = new RequestHandler("/test");
    chain.addLast(h1);
    
    RequestHandler h2 = new RequestHandler("/bs");
    chain.addLast(h2);


    IHttpServer server = new HttpServer(chain);
    server.start();

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  }


  
  @Test 
  public void testSecondHandler() throws Exception {
        RequestHandlerChain chain = new RequestHandlerChain();
        
        RequestHandler h1 = new RequestHandler("/test");
        chain.addLast(h1);
        
        RequestHandler h2 = new RequestHandler("/bs");
        chain.addLast(h2);


        IHttpServer server = new HttpServer(chain);
        server.start();

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    @Test 
    public void testNoHandler() throws Exception {
        RequestHandlerChain chain = new RequestHandlerChain();
        
        RequestHandler h1 = new RequestHandler("/test");
        chain.addLast(h1);
        
        RequestHandler h2 = new RequestHandler("/bs");
        chain.addLast(h2);


        IHttpServer server = new HttpServer(chain);
        server.start();

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  @Test 
    public void testStreamedResponse() throws Exception {
      
        RequestHandlerChain chain = new RequestHandlerChain();


        
        IHttpRequestHandler rh = new IHttpRequestHandler() {
            
            public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
                IHttpRequest request = exchange.getRequest();
                
                BodyDataSink dataSink = exchange.send(new HttpResponseHeader(200));
                dataSink.write("test");
                
                QAUtil.sleep(200);
                dataSink.write("1234");
                dataSink.close();
            }
        };
        chain.addLast(rh);
        
        IHttpServer server = new HttpServer(chain);
        server.start();

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    @Test 
    public void testStreamedForward() throws Exception {
        System.setProperty("org.xlightweb.showDetailedError", "true");
        
        RequestHandlerChain chain = new RequestHandlerChain();


        
        IHttpRequestHandler rh = new IHttpRequestHandler() {
            
            public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
                IHttpRequest request = exchange.getRequest();
                
                BodyDataSink dataSink = exchange.forward(request.getRequestHeader());
                dataSink.write("addedLine\r\n");
                dataSink.write(request.getBlockingBody().readString());
                dataSink.close();
            }
        };
        chain.addLast(rh);
        
        
        IHttpRequestHandler rh2 = new IHttpRequestHandler() {
            
            public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
                IHttpRequest request = exchange.getRequest();
                exchange.send(new HttpResponse(200, request.getBlockingBody().readString()));
            }
        };
        chain.addLast(rh2);


        
        IHttpServer server = new HttpServer(chain);
        server.start();

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  @Test
  public void testReplaceRequest() throws Exception {
  
    RequestHandlerChain chain = new RequestHandlerChain();
    
    IHttpRequestHandler filter = new IHttpRequestHandler() {


      public void onRequest(final IHttpExchange exchange) throws IOException {


        PostRequest newRequest = new PostRequest(exchange.getRequest().getRequestUrl().toString(), "text/plain", "Hello");
        
        IHttpResponseHandler respHdl = new IHttpResponseHandler() {
        
          public void onResponse(IHttpResponse response) throws IOException {
            exchange.send(response);
          }
          
          public void onException(IOException ioe) {
            
          }
          
        };
        
        
        exchange.forward(newRequest, respHdl);
      }
    };
    
    
    chain.addLast(filter);
    chain.addLast(new EchoHandler());
    
    IServer server = new HttpServer(0, chain);
    ConnectionUtils.start(server);

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  public void testReplaceStreamedRequest() throws Exception {
  
      System.setProperty("org.xlightweb.showDetailedError", "true");


      
    RequestHandlerChain chain = new RequestHandlerChain();
    
    IHttpRequestHandler filter = new IHttpRequestHandler() {


      public void onRequest(final IHttpExchange exchange) throws IOException {
        
        IHttpResponseHandler respHdl = new IHttpResponseHandler() {
        
          public void onResponse(IHttpResponse response) throws IOException {
            exchange.send(response);
          }
          
          public void onException(IOException ioe) {
            
          }
          
        };
        
        
        
        BodyDataSink bodyDataSink = exchange.forward(new HttpRequestHeader("POST", exchange.getRequest().getRequestUrl().toString()), respHdl);
        bodyDataSink.write("Hel");
        QAUtil.sleep(200);
        
        bodyDataSink.write("lo");
        bodyDataSink.close();
      }
    };
    
    
    chain.addLast(filter);
    chain.addLast(new EchoHandler());
    
    IServer server = new HttpServer(chain);
    server.start();

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Related Classes of org.xlightweb.RequestHandlerChain

org.xlightweb.AbstractHttpConnection.RequestHandlerAdapter

org.xlightweb.ContextTest

org.xlightweb.ExampleHttpProxy

org.xlightweb.FileServiceTest

org.xlightweb.RequestHandlerChainTest

org.xlightweb.RequestHandlerChainTest2

org.xlightweb.server.ServerUtils

org.xlightweb.ServerSideFilterTest

org.xlightweb.SynchronizedOnTest

java.io.IOException

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