Package ca.uhn.hl7v2.hoh.hapi.client

Examples of ca.uhn.hl7v2.hoh.hapi.client.HohClientSimple

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                ack.getMSH().getFieldSeparator().setValue(HL7Constants.HL7_FIELD_SEPARATOR);
                ack.getMSH().getEncodingCharacters().setValue(HL7Constants.HL7_ENCODING_CHARS);
                ack.getMSA().getAcknowledgmentCode().setValue(HL7Constants.HL7_ACK_CODE_AR);
                ack.getERR().getErrorCodeAndLocation(0).getCodeIdentifyingError().getIdentifier()
                        .setValue("Backend service reject the value");
                String msg = new PipeParser().encode(ack);
                if (log.isDebugEnabled()) {
                    log.debug("Generate HL7 error : " + ack);
                }
                outputStream.write(msg.getBytes());
                outputStream.flush();
                outputStream.close();
                msgCtx.setProperty(Constants.Configuration.CONTENT_TYPE,HL7Constants.HL7_CONTENT_TYPE);
            } catch (DataTypeException e) {
                handleException("Error on creating HL7 Error segment", e);
            } catch (HL7Exception e) {
                handleException("Error on creating HL7 Error segment", e);
            } catch (IOException e) {
                handleException("Error on writing HL7 Error to output stream", e);
            }
        } else {
            try {
                String xmlFormat = omElement.toString();
                Message message = new DefaultXMLParser().parse(xmlFormat);
                String msg = new PipeParser().encode(message);
                if (log.isDebugEnabled()) {
                    log.debug("Message inside the formatter : " + message);
                }
                outputStream.write(msg.getBytes());
                outputStream.flush();
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     * @param rowHL7
     * @return XML String
     */
    private String serializeHL7toXML(String rowHL7) {
        Parser xmlParser = new DefaultXMLParser();
        Parser ediParser = new PipeParser();
        ediParser.setValidationContext(new NoValidation());
        String xmlDoc = null;
        try {
            Message message = ediParser.parse(rowHL7);
            ConformanceProfileRule rule = new ConformanceProfileRule();
        ValidationException[] exs = rule.test(message);
        if (exs != null && exs.length > 0) {
          throw new HL7Exception(exs[0].getMessage());
        } 
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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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    /**
     * {@inheritDoc}
     */
    public Message processMessage(Message theIn) throws ApplicationException, HL7Exception {

        String encodedMessage = new PipeParser().encode(theIn);
        System.out.println("Received message:\n" + encodedMessage + "\n\n");

        // Now we need to generate a message to return. This will generally be an ACK message.
        Segment msh = (Segment) theIn.get("MSH");
        Message retVal;
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        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);
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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);
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            MessageContext messageContext = endpoint.createMessageContext();
            messageContext.setIncomingTransportName(HL7Constants.TRANSPORT_NAME);
            messageContext.setEnvelope(createEnvelope(message));
            /* set the raw HL7 message in message context to be used if needed later */
            messageContext.setProperty(HL7Constants.HL7_RAW_MESSAGE_PROPERTY_NAME,
                new PipeParser().encode(message));
            AxisEngine.receive(messageContext);
            return createAck(message);

        } catch (AxisFault axisFault) {
            return createNAck(message, "Error while processing the HL7 message " +
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    private Connection getConnection(String targetEPR, ConnectionHub hub) throws AxisFault {
        try {
            URI url = new URI(targetEPR);
            String targetHost = url.getHost();
            int targetPort = url.getPort();
            return hub.attach(targetHost, targetPort, new PipeParser(),
                    MinLowerLayerProtocol.class);
        } catch (URISyntaxException e) {
            handleException("Malformed HL7 URI syntax: " + targetEPR, e);
        } catch (HL7Exception e) {
            handleException("Error while obtaining HL7 connection to: " + targetEPR, e);
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        // Helper class
    }

    @Converter
    public static String toString(Message message) throws HL7Exception {
        Parser parser = new PipeParser();
        String encoded = parser.encode(message);
        return encoded;
    }
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    @Converter
    public static Message toMessage(String body) throws HL7Exception {
        // replace \n with \r as HL7 uses 0x0d = \r as segment terminators and HAPI only parses with \r
        body = body.replace('\n', '\r');

        Parser parser = new PipeParser();
        Message message = parser.parse(body);
        return message;
    }
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