Package Parser

Examples of Parser.Parser

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                + "PV2|||0112^TESTING|55555^PATIENT IS NORMAL|NONE|||19990225|19990226|1|1|TESTING|555888^NOTREAL^BOB^K^DR^MD||||||||||PROD^003^099|02|ER||NONE|19990225|19990223|19990316|NONE\r"
                + "AL1||SEV|001^POLLEN\r"
                + "AL1||SEV|003^DUST\r"
                + "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";
        Parser p = new GenericParser();
        Message hapiMsg = p.parse(msg);
       
        /*
         * Another way of reading messages is to use a Terser. The terser
         * accepts a particular syntax to retrieve segments. See the API
         * documentation for the Terser for more information.
         */
        Terser terser = new Terser(hapiMsg);
       
        /*
         * Sending Application is in MSH-3-1 (the first component of the third
         * field of the MSH segment)
         */
        String sendingApplication = terser.get("/.MSH-3-1");
        System.out.println(sendingApplication);
        // HIS
       
        /*
         * We can use brackets to get particular repetitions
         */
        String secondAllergyType = terser.get("/AL1(1)-3-2");
        System.out.println(secondAllergyType);
        // DUST
       
        // We can also use the terser to set values
        terser.set("/.MSH-3-1", "new_sending_app");
       
        // Let's try something more complicated, adding values to an OBX in an ORU^R01
        ORU_R01 oru = new ORU_R01();
        oru.getMSH().getEncodingCharacters().setValue("^~\\&");
        oru.getMSH().getFieldSeparator().setValue("|");
        oru.getMSH().getMessageType().getMessageCode().setValue("ORU");
        oru.getMSH().getMessageType().getTriggerEvent().setValue("R01");
        oru.getMSH().getVersionID().getVersionID().setValue("2.5");
       
        terser = new Terser(oru);
        for (int i = 0; i < 5; i++) {
            terser.set("/PATIENT_RESULT/ORDER_OBSERVATION/OBSERVATION(" + i + ")/OBX-1", "" + (i + 1));
            terser.set("/PATIENT_RESULT/ORDER_OBSERVATION/OBSERVATION(" + i + ")/OBX-3", "ST");
            terser.set("/PATIENT_RESULT/ORDER_OBSERVATION/OBSERVATION(" + i + ")/OBX-5", "This is the value for rep " + i);
        }
       
        System.out.println(p.encode(oru));
       
        /*
         *   MSH|^~\&|||||||ORU^R01|||2.5
         *   OBX|1||ST||This is the value for rep 0
         *   OBX|2||ST||This is the value for rep 1
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        /*
         * A Parser is used to convert between string representations of messages and instances of
         * HAPI's "Message" object. In this case, we are using a "GenericParser", which is able to
         * handle both XML and ER7 (pipe & hat) encodings.
         */
        Parser p = new GenericParser();

        Message hapiMsg;
        try {
            // The parse method performs the actual parsing
            hapiMsg = p.parse(msg);
        } catch (EncodingNotSupportedException e) {
            e.printStackTrace();
            return;
        } catch (HL7Exception e) {
            e.printStackTrace();
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            + "AL1||SEV|001^POLLEN\r"
            + "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";

        // Let's create a special parser to handle this:
        Parser parser = new PipeParser() {

            // We override the parse method to correct issues
            public Message parse(String theMessage) throws HL7Exception, EncodingNotSupportedException {
                theMessage = theMessage.replace("\rPI|", "\rPID|");
                return super.parse(theMessage);
            }};
       
        Message message = parser.parse(msg);
       
        System.out.println(parser.encode(message));
       
        /* PI has been fixed:
        
            MSH|^~\&|HIS|RIH|EKG|EKG|199904140038||ADT^A01||P|2.2
            PID|0001|00009874|00001122|A00977|SMITH^JOHN^M|MOM|19581119|F|NOTREAL^LINDA^M|C|564 SPRING ST^^NEEDHAM^MA^02494^US|0002|(818)565-1551|(425)828-3344|E|S|C|0000444444|252-00-4414||||SA|||SA||||NONE|V1|0001|I|D.ER^50A^M110^01|ER|P00055|11B^M011^02|070615^BATMAN^GEORGE^L|555888^NOTREAL^BOB^K^DR^MD|777889^NOTREAL^SAM^T^DR^MD^PHD|ER|D.WT^1A^M010^01|||ER|AMB|02|070615^NOTREAL^BILL^L|ER|000001916994|D||||||||||||||||GDD|WA|NORM|02|O|02|E.IN^02D^M090^01|E.IN^01D^M080^01|199904072124|199904101200|199904101200||||5555112333|||666097^NOTREAL^MANNY^P
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        /*
         * In a real situation, of course, many more segments and fields would be populated
         */
               
        // Now, let's encode the message and look at the output
        Parser parser = new PipeParser();
        String encodedMessage = parser.encode(adt);
        System.out.println("Printing ER7 Encoded Message:");
        System.out.println(encodedMessage);
       
        /*
         * Prints:
         *
         * MSH|^~\&|TestSendingSystem||||200701011539||ADT^A01^ADT A01||||123
         * PID|||123456||Doe^John
         */

        // Next, let's use the XML parser to encode as XML
        parser = new DefaultXMLParser();
        encodedMessage = parser.encode(adt);
        System.out.println("Printing XML Encoded Message:");
        System.out.println(encodedMessage);
       
        /*
         * Prints:
 
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                + "PV1|0001|I|D.ER^1F^M950^01|ER|P000998|11B^M011^02|070615^BATMAN^GEORGE^L|555888^OKNEL^BOB^K^DR^MD|777889^NOTREAL^SAM^T^DR^MD^PHD|ER|D.WT^1A^M010^01|||ER|AMB|02|070615^VOICE^BILL^L|ER|000001916994|D||||||||||||||||GDD|WA|NORM|02|O|02|E.IN^02D^M090^01|E.IN^01D^M080^01|199904072124|199904101200|||||5555112333|||666097^DNOTREAL^MANNY^P\r"
                + "PV2|||0112^TESTING|55555^PATIENT IS NORMAL|NONE|||19990225|19990226|1|1|TESTING|555888^NOTREAL^BOB^K^DR^MD||||||||||PROD^003^099|02|ER||NONE|19990225|19990223|19990316|NONE\r"
                + "AL1||SEV|001^POLLEN\r"
                + "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";
        Parser p = new GenericParser();
        Message adt = p.parse(msg);

        // The connection hub connects to listening servers
        ConnectionHub connectionHub = ConnectionHub.getInstance();

        // A connection object represents a socket attached to an HL7 server
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                + "PV2|||0112^TESTING|55555^PATIENT IS NORMAL|NONE|||19990225|19990226|1|1|TESTING|555888^NOTREAL^BOB^K^DR^MD||||||||||PROD^003^099|02|ER||NONE|19990225|19990223|19990316|NONE\r"
                + "AL1||SEV|001^POLLEN\r"
                + "AL1||SEV|003^DUST\r"
                + "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";
        Parser p = new GenericParser();
        Message hapiMsg = p.parse(msg);
       
        /*
         * Another way of reading messages is to use a Terser. The terser
         * accepts a particular syntax to retrieve segments. See the API
         * documentation for the Terser for more information.
         */
        Terser terser = new Terser(hapiMsg);
       
        /*
         * Sending Application is in MSH-3-1 (the first component of the third
         * field of the MSH segment)
         */
        String sendingApplication = terser.get("/.MSH-3-1");
        System.out.println(sendingApplication);
        // HIS
       
        /*
         * We can use brackets to get particular repetitions
         */
        String secondAllergyType = terser.get("/AL1(1)-3-2");
        System.out.println(secondAllergyType);
        // DUST
       
        // We can also use the terser to set values
        terser.set("/.MSH-3-1", "new_sending_app");
       
        // Let's try something more complicated, adding values to an OBX in an ORU^R01
        ORU_R01 oru = new ORU_R01();
        oru.getMSH().getEncodingCharacters().setValue("^~\\&");
        oru.getMSH().getFieldSeparator().setValue("|");
        oru.getMSH().getMessageType().getMessageCode().setValue("ORU");
        oru.getMSH().getMessageType().getTriggerEvent().setValue("R01");
        oru.getMSH().getVersionID().getVersionID().setValue("2.5");
       
        terser = new Terser(oru);
        for (int i = 0; i < 5; i++) {
            terser.set("/PATIENT_RESULT/ORDER_OBSERVATION/OBSERVATION(" + i + ")/OBX-1", "" + (i + 1));
            terser.set("/PATIENT_RESULT/ORDER_OBSERVATION/OBSERVATION(" + i + ")/OBX-3", "ST");
            terser.set("/PATIENT_RESULT/ORDER_OBSERVATION/OBSERVATION(" + i + ")/OBX-5", "This is the value for rep " + i);
        }
       
        System.out.println(p.encode(oru));
       
        /*
         *   MSH|^~\&|||||||ORU^R01|||2.5
         *   OBX|1||ST||This is the value for rep 0
         *   OBX|2||ST||This is the value for rep 1
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        // These classes are both in the package ca.uhn.hl7v2.examples.custommodel.[version].[type]
        // We can create a parser with a custom model class factory to use it
        ModelClassFactory cmf = new CustomModelClassFactory("ca.uhn.hl7v2.examples.custommodel");

        // We then pass the model class factory to the parser
        Parser parser = new PipeParser(cmf);

        // The resulting message will be an instance of our custom type (this time, MSH-9 says ZDT^A01)
    messageText = "MSH|^~\\&|IRIS|SANTER|AMB_R|SANTER|200803051508||ZDT^A01|263206|P|2.5\r"
        + "EVN||200803051509||||200803031508\r"
        + "PID|||5520255^^^PK^PK~ZZZZZZ83M64Z148R^^^CF^CF~ZZZZZZ83M64Z148R^^^SSN^SSN^^20070103^99991231~^^^^TEAM||ZZZ^ZZZ||19830824|F||||||||||||||||||||||N\r"
        + "ZPI|Fido~Fred|13\r"
        + "PV1||I|6402DH^^^^^^^^MED. 1 - ONCOLOGIA^^OSPEDALE MAGGIORE DI LODI&LODI|||^^^^^^^^^^OSPEDALE MAGGIORE DI LODI&LODI|13936^TEST^TEST||||||||||5068^TEST2^TEST2||2008003369||||||||||||||||||||||||||200803031508\r"
        + "PR1|1||1111^Mastoplastica|Protesi|20090224|02|";
        zdtA01 = (ZDT_A01) parser.parse(messageText);

        // Now we have easy access to our new segment and fields
        zpi = zdtA01.getZPI();

        System.out.println(zpi.getPetName()[0].encode()); // Fido
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        /*
         * A Parser is used to convert between string representations of messages and instances of
         * HAPI's "Message" object. In this case, we are using a "GenericParser", which is able to
         * handle both XML and ER7 (pipe & hat) encodings.
         */
        Parser p = new GenericParser();

        Message hapiMsg;
        try {
            // The parse method performs the actual parsing
            hapiMsg = p.parse(msg);
        } catch (EncodingNotSupportedException e) {
            e.printStackTrace();
            return;
        } catch (HL7Exception e) {
            e.printStackTrace();
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            + "AL1||SEV|001^POLLEN\r"
            + "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";

        // Let's create a special parser to handle this:
        Parser parser = new PipeParser() {

            // We override the parse method to correct issues
            public Message parse(String theMessage) throws HL7Exception, EncodingNotSupportedException {
                theMessage = theMessage.replace("\rPI|", "\rPID|");
                return super.parse(theMessage);
            }};
       
        Message message = parser.parse(msg);
       
        System.out.println(parser.encode(message));
       
        /* PI has been fixed:
        
            MSH|^~\&|HIS|RIH|EKG|EKG|199904140038||ADT^A01||P|2.2
            PID|0001|00009874|00001122|A00977|SMITH^JOHN^M|MOM|19581119|F|NOTREAL^LINDA^M|C|564 SPRING ST^^NEEDHAM^MA^02494^US|0002|(818)565-1551|(425)828-3344|E|S|C|0000444444|252-00-4414||||SA|||SA||||NONE|V1|0001|I|D.ER^50A^M110^01|ER|P00055|11B^M011^02|070615^BATMAN^GEORGE^L|555888^NOTREAL^BOB^K^DR^MD|777889^NOTREAL^SAM^T^DR^MD^PHD|ER|D.WT^1A^M010^01|||ER|AMB|02|070615^NOTREAL^BILL^L|ER|000001916994|D||||||||||||||||GDD|WA|NORM|02|O|02|E.IN^02D^M090^01|E.IN^01D^M080^01|199904072124|199904101200|199904101200||||5555112333|||666097^NOTREAL^MANNY^P
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    /**
     * {@inheritDoc }
     */
    @Override
    public String encode() throws HL7Exception {
        Parser p = getMessage().getParser();
        return p.doEncode(this, EncodingCharacters.getInstance(getMessage()));
    }
View Full Code Here
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Related Classes of Parser.Parser

  • ca.uhn.hl7v2.app.ActiveInitiator
  • ca.uhn.hl7v2.app.DefaultApplication
  • ca.uhn.hl7v2.app.HL7ServerTestHelper
  • ca.uhn.hl7v2.app.Initiator
  • ca.uhn.hl7v2.app.Responder
  • ca.uhn.hl7v2.conf.check.DefaultValidator
  • ca.uhn.hl7v2.DefaultHapiContext
  • ca.uhn.hl7v2.examples.CorrectInvalidMessageBeforeParsing
  • ca.uhn.hl7v2.examples.CreateAMessage
  • ca.uhn.hl7v2.examples.CustomModelClasses
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