Examples of ca.uhn.hl7v2.util.MessageNavigator

ca.uhn.hl7v2.parser.PipeParser

Used to navigate the nested group structure of a message. This is an alternate way of accessing parts of a message, ie rather than getting a segment through a chain of getXXX() calls on the message, you can create a MessageNavigator for the message, "navigate" to the desired segment, and then call getCurrentStructure() to get the segment you have navigated to. A message navigator always has a "current location" pointing to some structure location (segment or group location) within the message. Note that a location exists whether or not there are any instances of the structure at that location.

This class is used by Terser, which presents an even more convenient way of navigating a message.

This class also has an iterate() method, which iterates over segments (and optionally groups).
@author Bryan Tripp

        Parser p = new GenericParser();
        adtMessage = p.parse(SAMPLE_MSG);
    }


    public HL7Message(String msg) throws HL7Exception {
        Parser p = new GenericParser();
        adtMessage = p.parse(msg);
    }

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     * Serialize HL7 message to XML
     * @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 SOAPEnvelope createEnvelope(Message message) throws HL7Exception, XMLStreamException {
        SOAPFactory fac = OMAbstractFactory.getSOAP11Factory();
        SOAPEnvelope envelope = fac.getDefaultEnvelope();


        Parser xmlParser = new DefaultXMLParser();
        String xmlDoc = xmlParser.encode(message);


        OMElement hl7Element = AXIOMUtil.stringToOM(xmlDoc);
        OMNamespace ns = fac.createOMNamespace("http://wso2.org/hl7", "hl7");
        OMElement topicOm = fac.createOMElement("message", ns);
        topicOm.addChild(hl7Element);

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    private SOAPEnvelope createEnvelope(Message message) throws HL7Exception, XMLStreamException {
        SOAPFactory fac = OMAbstractFactory.getSOAP11Factory();
        SOAPEnvelope envelope = fac.getDefaultEnvelope();


        Parser xmlParser = new DefaultXMLParser();
        String xmlDoc = xmlParser.encode(message);


        OMElement hl7Element = AXIOMUtil.stringToOM(xmlDoc);
        OMNamespace ns = fac.createOMNamespace("http://wso2.org/hl7", "hl7");
        OMElement topicOm = fac.createOMElement("message", ns);
        topicOm.addChild(hl7Element);

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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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        }


        // convert to string
        String body;
        if (message instanceof Message) {
            Parser parser = new PipeParser();
            body = parser.encode((Message)message);
        } else if (message instanceof String) {
            body = (String)message;
        } else if (message instanceof byte[]) {
            body = new String((byte[])message);
        } else {

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    private HL7Converter() {
        // Helper class
    }


    private static Parser getParser() {
        PipeParser pipeParser = new PipeParser();
        pipeParser.setValidationContext(new NoValidation());
        return pipeParser;
    }

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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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