Examples of ca.uhn.hl7v2.validation.Rule

ca.uhn.hl7v2.parser.Parser
A testable rule to which HL7 messages (at least certain specific message) should conform. This is the central interface of the new HAPI validation model (as of HAPI 0.4). Previously, the only run-time message validation HAPI performs is within the setValue() methods of the Primitive datatype classes. For example when you called setValue() on a DT an exception was thrown if the String arg was not in the correct DT format. This method served well initially but left us with the following limitations:
1. Sometimes validation is inappropriate (e.g. some of the standard rules, like phone number format, don't make sense in some regions).
2. Couldn't add further optional constraints (such as all timestamps must have a time zone).
3. Couldn't turn off validation to improve performance.
4. Other forms of validation (e.g. conformance profiles, standard DTDs) were not covered.
Thus the new validation model is broader in scope, and is based on validation rules implemented as Rule objects, which can be configured to run or not, as needed, depending on run-time configuration.

There are three kinds of rules:
1. PrimitiveTypeRule: Called when the values of simple datatypes are set, like the existing hard-coded datatype validations (e.g. TNFollowsNorthAmericanFormat).
2. MessageRule: Called when complete message content is to be checked on a parsed message (e.g. conformance profile).
3. EncodingRule: Applied to an encoded message (e.g. validation against a 2.xml Schema, a rule that prohibits empty tags, etc.).
@author Bryan Tripp


    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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                                      + "GT1||0222PL|NOTREAL^BOB^B||STREET^OTHER STREET^CITY^ST^77787|(444)999-3333|(222)777-5555||||MO|111-33-5555||||NOTREAL GILL N|STREET^OTHER STREET^CITY^ST^99999|(111)222-3333\r"
                                      + "IN1||022254P|4558PD|BLUE CROSS|STREET^OTHER STREET^CITY^ST^00990||(333)333-6666||221K|LENIX|||19980515|19990515|||PATIENT01 TEST D||||||||||||||||||02LL|022LP554";




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

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        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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        // 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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                                      + "GT1||0222PL|NOTREAL^BOB^B||STREET^OTHER STREET^CITY^ST^77787|(444)999-3333|(222)777-5555||||MO|111-33-5555||||NOTREAL GILL N|STREET^OTHER STREET^CITY^ST^99999|(111)222-3333\r"
                                      + "IN1||022254P|4558PD|BLUE CROSS|STREET^OTHER STREET^CITY^ST^00990||(333)333-6666||221K|LENIX|||19980515|19990515|||PATIENT01 TEST D||||||||||||||||||02LL|022LP554";




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

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        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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