Package ca.uhn.hl7v2.hoh.encoder

Examples of ca.uhn.hl7v2.hoh.encoder.AbstractHl7OverHttpDecoder

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public class HL7Sender {

    public void send(String host, int port) throws HL7Exception {
        System.out.println("[ Executing HL7Sender : HOST:" + host + "  ;port :" + port + " ]");
        // The connection hub connects to listening servers
        ConnectionHub connectionHub = ConnectionHub.getInstance();
        // A connection object represents a socket attached to an HL7 server
        Connection connection = connectionHub
                .attach(host, port, new PipeParser(), MinLowerLayerProtocol.class);

        // The initiator is used to transmit unsolicited messages
        Initiator initiator = connection.getInitiator();
        HL7Message sampleMessage = new HL7Message();

        //send
        Message response = null;
        try {
            response = initiator.sendAndReceive(sampleMessage.getHL7Message());
            PipeParser parser = new PipeParser();
            String responseString = parser.encode(response);
            System.out.println("Received response:\n" + responseString);
        } catch (LLPException e) {
            System.out.println("Error : " + e);
        } catch (IOException e) {
            System.out.println("Error : " + e);
        }

        // Close the connection and server
        connectionHub.discard(connection);
    }
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        Map<String,String> params = getURLParameters(targetEPR);

        try {
            Message message = parser.parse(xmlFormat);
            ConnectionHub connectionHub = ConnectionHub.getInstance();
            Connection connection = getConnection(targetEPR, connectionHub);
            Initiator initiator = connection.getInitiator();
            String timeout = params.get(HL7Constants.TIMEOUT_PARAM);
            if (timeout != null) {
                initiator.setTimeoutMillis(Integer.parseInt(timeout));
            } else {
                initiator.setTimeoutMillis(HL7Constants.DEFAULT_TIMEOUT);
            }

            returnMsg = initiator.sendAndReceive(message);
            connectionHub.detach(connection);

            if (log.isDebugEnabled()) {
                log.debug("HL7 message successfully dispatched to URL " + targetEPR);
                log.debug("Response message received from target EP : " + returnMsg.toString());
            }
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        // A connection object represents a socket attached to an HL7 server
        Connection connection = connectionHub
                .attach(host, port, new PipeParser(), MinLowerLayerProtocol.class);

        // The initiator is used to transmit unsolicited messages
        Initiator initiator = connection.getInitiator();
        HL7Message sampleMessage = new HL7Message();

        //send
        Message response = null;
        try {
            response = initiator.sendAndReceive(sampleMessage.getHL7Message());
            PipeParser parser = new PipeParser();
            String responseString = parser.encode(response);
            System.out.println("Received response:\n" + responseString);
        } catch (LLPException e) {
            System.out.println("Error : " + e);
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        try {
            Message message = parser.parse(xmlFormat);
            ConnectionHub connectionHub = ConnectionHub.getInstance();
            Connection connection = getConnection(targetEPR, connectionHub);
            Initiator initiator = connection.getInitiator();
            String timeout = params.get(HL7Constants.TIMEOUT_PARAM);
            if (timeout != null) {
                initiator.setTimeoutMillis(Integer.parseInt(timeout));
            } else {
                initiator.setTimeoutMillis(HL7Constants.DEFAULT_TIMEOUT);
            }

            returnMsg = initiator.sendAndReceive(message);
            connectionHub.detach(connection);

            if (log.isDebugEnabled()) {
                log.debug("HL7 message successfully dispatched to URL " + targetEPR);
                log.debug("Response message received from target EP : " + returnMsg.toString());
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    private SimpleServer server;

    public HL7Server(int port) {
        LowerLayerProtocol llp = LowerLayerProtocol.makeLLP(); // The transport protocol
        PipeParser parser = new PipeParser();
        server = new SimpleServer(port, llp, parser);
    }
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    @Override
    protected void startEndpoint(HL7Endpoint endpoint) throws AxisFault {
        LowerLayerProtocol llp = LowerLayerProtocol.makeLLP();
        PipeParser parser = new PipeParser();
        SimpleServer server = new SimpleServer(endpoint.getPort(), llp, parser);
        Application callback = new HL7MessageProcessor(endpoint);
        server.registerApplication("*", "*", callback);
        server.start();
        serverTable.put(endpoint, server);

        log.info("Started HL7 endpoint on port: " + endpoint.getPort());
    }
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        log.info("Started HL7 endpoint on port: " + endpoint.getPort());
    }

    @Override
    protected void stopEndpoint(HL7Endpoint endpoint) {
        SimpleServer server = serverTable.remove(endpoint);
        if (server != null) {
            server.stop();
        }

        log.info("Stopped HL7 endpoint on port: " + endpoint.getPort());
    }
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  public void close() throws IOException {
    myInputStream.close();
  }

  public String getMessage() throws LLPException, IOException {
    AbstractHl7OverHttpDecoder decoder;

    if (myProtocol.getRole() == ServerRoleEnum.CLIENT) {
      decoder = new Hl7OverHttpResponseDecoder();
    } else {
      Hl7OverHttpRequestDecoder requestDecoder = new Hl7OverHttpRequestDecoder();
      requestDecoder.setAuthorizationCallback(myProtocol.getAuthorizationServerCallback());
      decoder = requestDecoder;
      decoder.setSigner(myProtocol.getSigner());
    }

   
    try {
      decoder.readHeadersAndContentsFromInputStreamAndDecode(myInputStream);
    } catch (DecodeException e) {
      if (myProtocol.getRole() == ServerRoleEnum.CLIENT) {
        throw new LLPException("Failed to process response", e);
      } else {
        ourLog.info("Failed to read contents", e);
        HTTPUtils.write400BadRequest(myWriter.getOutputStream(), e.getMessage());

        myInputStream.close();
        myWriter.getOutputStream().close();

        throw new LLPException("Failed to read message", e);
      }
    } catch (NoMessageReceivedException e) {
      return null;
    } catch (SignatureVerificationException e) {
      throw new LLPException("Failed to verify message signature", e);
    }
   
    if (myProtocol.getRole() == ServerRoleEnum.SERVER) {
      Charset charset = decoder.getCharset();
      myWriter.setCharsetForNextMessage(charset);
     
      IAuthorizationServerCallback authorizationCallback = myProtocol.getAuthorizationServerCallback();
      if (authorizationCallback != null) {
        boolean auth = authorizationCallback.authorize(decoder.getPath(), decoder.getUsername(), decoder.getPassword());
        if (!auth) {
          HTTPUtils.write401Unauthorized(myWriter.getOutputStream());
          throw new LLPException("Authorization at URI[" + decoder.getPath() + "] failed for user[" + decoder.getUsername() + "]");
        }
      }
    }

    return decoder.getMessage();

  }
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  public void close() throws IOException {
    myInputStream.close();
  }

  public String getMessage() throws LLPException, IOException {
    AbstractHl7OverHttpDecoder decoder;

    if (myProtocol.getRole() == ServerRoleEnum.CLIENT) {
      decoder = new Hl7OverHttpResponseDecoder();
    } else {
      Hl7OverHttpRequestDecoder requestDecoder = new Hl7OverHttpRequestDecoder();
      requestDecoder.setAuthorizationCallback(myProtocol.getAuthorizationServerCallback());
      decoder = requestDecoder;
      decoder.setSigner(myProtocol.getSigner());
    }

   
    try {
      decoder.readHeadersAndContentsFromInputStreamAndDecode(myInputStream);
    } catch (DecodeException e) {
      if (myProtocol.getRole() == ServerRoleEnum.CLIENT) {
        throw new LLPException("Failed to process response", e);
      } else {
        ourLog.info("Failed to read contents", e);
        HTTPUtils.write400BadRequest(myWriter.getOutputStream(), e.getMessage());

        myInputStream.close();
        myWriter.getOutputStream().close();

        throw new LLPException("Failed to read message", e);
      }
    } catch (NoMessageReceivedException e) {
      return null;
    } catch (SignatureVerificationException e) {
      throw new LLPException("Failed to verify message signature", e);
    }
   
    if (myProtocol.getRole() == ServerRoleEnum.SERVER) {
      Charset charset = decoder.getCharset();
      myWriter.setCharsetForNextMessage(charset);
     
      IAuthorizationServerCallback authorizationCallback = myProtocol.getAuthorizationServerCallback();
      if (authorizationCallback != null) {
        boolean auth = authorizationCallback.authorize(decoder.getUri(), decoder.getUsername(), decoder.getPassword());
        if (!auth) {
          HTTPUtils.write401Unauthorized(myWriter.getOutputStream());
          throw new LLPException("Authorization at URI[" + decoder.getUri() + "] failed for user[" + decoder.getUsername() + "]");
        }
      }
    }

    return decoder.getMessage();

  }
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public class HL7Server {

    private SimpleServer server;

    public HL7Server(int port) {
        LowerLayerProtocol llp = LowerLayerProtocol.makeLLP(); // The transport protocol
        PipeParser parser = new PipeParser();
        server = new SimpleServer(port, llp, parser);
    }
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