Examples of org.xlightweb.BodyForwarder

org.xlightweb.BodyForwarder
be called if request header is received (Default-InvokeOn is HEADER_RECEIVED) public void onRequest(IHttpExchange exchange) throws IOException { IHttpRequestHeader requestHeader = exchange.getRequest().getRequestHeader(); NonBlockingBodyDataSource requestBodyChannel = exchange.getRequest().getNonBlockingBody(); // forwards the request (header) BodyDataSink dataSink = httpClient.send(requestHeader); // defines the body forwarder BodyForwarder bodyForwarder = new BodyForwarder(requestBodyChannel, dataSink) { public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException { int available = bodyDataSink.available(); ByteBuffer[] data = bodyDataSink.readByteBufferByLength(available); for (ByteBuffer byteBuffer : data) { ByteBuffer copy = byteBuffer.duplicate(); // ... } bodyDataSink.write(data); } }; // assign the body forwarder to the body data source requestBodyChannel.setDataHandler(bodyForwarder); } } @author grro@xlightweb.org

            header.setHeader("Connection", "close");
            
            BodyDataSink bodyDataSink = HttpServerConnection.this.sendResponseHeader(header);
            
            NonBlockingBodyDataSource bodyDataSource = response.getNonBlockingBody();
            BodyForwarder forwarder = new BodyForwarder(bodyDataSource, bodyDataSink);
            bodyDataSource.setDataHandler(forwarder);
            return;
          } 
          
          // http protocol version downgrade necessary?

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            header.setHeader("Connection", "close");
            
            BodyDataSink bodyDataSink = HttpServerConnection.this.sendResponseHeader(header);
            
            NonBlockingBodyDataSource bodyDataSource = response.getNonBlockingBody();
            BodyForwarder forwarder = new BodyForwarder(bodyDataSource, bodyDataSink);
            bodyDataSource.setDataHandler(forwarder);
            return;
          } 
          
          // http protocol version downgrade necessary?

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                if (response.hasBody()) {
                    final NonBlockingBodyDataSource dataSource = response.getNonBlockingBody();
                    BodyDataSink dataSink = exchange.send(responseHeader);


                    BodyForwarder bodyForwarder = new BodyForwarder(dataSource, dataSink) {


                        private final List<ByteBuffer> responseBodyCopy = new ArrayList<ByteBuffer>();
                        
                        @Override
                        public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {

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            ForwarderResponseHandler forwardResponseHandler = new ForwarderResponseHandler(interaction, exchange);
            BodyDataSink dataSink = exchange.forward(request.getRequestHeader(), forwardResponseHandler);


            BodyForwarder bodyForwarder = new BodyForwarder(dataSource, dataSink) {
                
                int currentSize = 0;
                
                @Override
                public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {

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            header.setHeader("Connection", "close");
            
            BodyDataSink bodyDataSink = HttpServerConnection.this.sendResponseHeader(header);
            
            NonBlockingBodyDataSource bodyDataSource = response.getNonBlockingBody();
            BodyForwarder forwarder = new BodyForwarder(bodyDataSource, bodyDataSink);
            bodyDataSource.setDataHandler(forwarder);
            return;
          } 
          
          // http protocol version downgrade necessary?

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            // ... and replace it  
            final BodyDataSink inBodyChannel = exchange.send(response.getResponseHeader());
            
            //... by a body forward handler
            BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
              
              @Override
              public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
                ByteBuffer[] bufs = bodyDataSource.readByteBufferByLength(bodyDataSource.available());
                    
                for (ByteBuffer byteBuffer : bufs) {
                  // WARNING DataConverter call could fail!
                  requestString.append(DataConverter.toString(byteBuffer.duplicate()));
                }
                    
                bodyDataSink.write(bufs);
                bodyDataSink.flush();
              }
            };
            orgDataSource.setDataHandler(bodyForwardHandler);
            
          } else {
            exchange.send(response);
          }
        }
        
        public void onException(IOException ioe) {
          
        }
      };
      
      
      // does request contain a body? 
      if (req.hasBody()) {
        
        // get the body 
        NonBlockingBodyDataSource orgDataSource = req.getNonBlockingBody();
        
        // ... and replace it  
        final BodyDataSink inBodyChannel = exchange.forward(req.getRequestHeader(), respHdl);
        
        //... by a body forward handler
        BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
          
          @Override
          public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
            ByteBuffer[] bufs = bodyDataSource.readByteBufferByLength(bodyDataSource.available());

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            // ... and replace it  
            final BodyDataSink inBodyChannel = exchange.send(response.getResponseHeader());
            
            //... by a body forward handler
            BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
              
              @Override
              public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
                byte[] data = bodyDataSource.readBytesByLength(bodyDataSource.available());
                    
                for (int i = 0; i < data.length; i++) {
                  data[i] = (byte) ((int) data[i] - shift);
                }
                                        
                inBodyChannel.write(data);
                inBodyChannel.flush();
              }
            };
            orgDataSource.setDataHandler(bodyForwardHandler);
            
          } else {
            exchange.send(response);
          }
        };
        
        public void onException(IOException ioe) {
          
        }; 
      };
      
      // does request contain a body? 
      if (exchange.getRequest().hasBody()) {
        
        // get the body 
        NonBlockingBodyDataSource orgDataSource = exchange.getRequest().getNonBlockingBody();
        
        // ... and replace it ... 
        final BodyDataSink inBodyChannel = exchange.forward(exchange.getRequest().getRequestHeader(), responseInterceptor);
        
        //... by a body forward handler
        BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
          
          @Override
          public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
            byte[] data = bodyDataSource.readBytesByLength(bodyDataSource.available());

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            // ... and replace it  
            final BodyDataSink inBodyChannel = exchange.send(response.getResponseHeader());
            
            //... by a body forward handler
            BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
              
              @Override
              public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
                ByteBuffer[] bufs = bodyDataSource.readByteBufferByLength(bodyDataSource.available());
                    
                for (ByteBuffer byteBuffer : bufs) {
                  // WARNING DataConverter call could fail!
                  requestString.append(DataConverter.toString(byteBuffer.duplicate()));
                }
                    
                bodyDataSink.write(bufs);
                bodyDataSink.flush();
              }
            };
            orgDataSource.setDataHandler(bodyForwardHandler);
            
          } else {
            exchange.send(response);
          }
        }
        
        public void onException(IOException ioe) {
          
        }
      };
      
      
      // does request contain a body? 
      if (req.hasBody()) {
        
        // get the body 
        NonBlockingBodyDataSource orgDataSource = req.getNonBlockingBody();
        
        // ... and replace it  
        final BodyDataSink inBodyChannel = exchange.forward(req.getRequestHeader(), respHdl);
        
        //... by a body forward handler
        BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
          
          @Override
          public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
            ByteBuffer[] bufs = bodyDataSource.readByteBufferByLength(bodyDataSource.available());

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            // ... and replace it  
            final BodyDataSink inBodyChannel = exchange.send(response.getResponseHeader());
            
            //... by a body forward handler
            BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
              
              @Override
              public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
                byte[] data = bodyDataSource.readBytesByLength(bodyDataSource.available());
                    
                for (int i = 0; i < data.length; i++) {
                  data[i] = (byte) ((int) data[i] - shift);
                }
                                        
                inBodyChannel.write(data);
                inBodyChannel.flush();
              }
            };
            orgDataSource.setDataHandler(bodyForwardHandler);
            
          } else {
            exchange.send(response);
          }
        };
        
        public void onException(IOException ioe) {
          
        }; 
      };
      
      // does request contain a body? 
      if (exchange.getRequest().hasBody()) {
        
        // get the body 
        NonBlockingBodyDataSource orgDataSource = exchange.getRequest().getNonBlockingBody();
        
        // ... and replace it ... 
        final BodyDataSink inBodyChannel = exchange.forward(exchange.getRequest().getRequestHeader(), responseInterceptor);
        
        //... by a body forward handler
        BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
          
          @Override
          public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
            byte[] data = bodyDataSource.readBytesByLength(bodyDataSource.available());

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            // ... and replace it  
            final BodyDataSink inBodyChannel = exchange.send(response.getResponseHeader());
            
            //... by a body forward handler
            BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
              
              @Override
              public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
                ByteBuffer[] bufs = bodyDataSource.readByteBufferByLength(bodyDataSource.available());
                    
                for (ByteBuffer byteBuffer : bufs) {
                  // WARNING DataConverter call could fail!
                  requestString.append(DataConverter.toString(byteBuffer.duplicate()));
                }
                    
                bodyDataSink.write(bufs);
                bodyDataSink.flush();
              }
            };
            orgDataSource.setDataHandler(bodyForwardHandler);
            
          } else {
            exchange.send(response);
          }
        }
        
        public void onException(IOException ioe) {
          
        }
      };
      
      
      // does request contain a body? 
      if (req.hasBody()) {
        
        // get the body 
        NonBlockingBodyDataSource orgDataSource = req.getNonBlockingBody();
        
        // ... and replace it  
        final BodyDataSink inBodyChannel = exchange.forward(req.getRequestHeader(), respHdl);
        
        //... by a body forward handler
        BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
          
          @Override
          public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
            ByteBuffer[] bufs = bodyDataSource.readByteBufferByLength(bodyDataSource.available());

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