Examples of ca.uhn.hl7v2.HapiContext

ca.uhn.hl7v2.app.Application
Interface that provides a starting point for
- Configuring HAPI core services (e.g. parsing)
- Obtaining correspondingly configured instances of HAPI core services
HapiContext instances are not supposed to be singletons, i.e. if necessary, it is possible to have several HapiContexts within one application.
HapiContext objects maintains the following configuration information
- {@link ExecutorService}: thread executors used for the HAPI networking features in ca.uhn.hl7v2.app
- {@link LowerLayerProtocol}: MLLP protocol used for the HAPI networking features in ca.uhn.hl7v2.app
- {@link SocketFactory}: Socket factory used for the HAPI networking features in ca.uhn.hl7v2.app
- {@link ParserConfiguration}: detail configuration for all HL7 parsers
- {@link ModelClassFactory}: lookup for message model classes during parsing or message creation
- {@link ValidationContext}: validation rules used during parsing or during a dedcated validation step
- {@link ValidationRuleBuilder}: alternative way of providing a ValidationContext
- {@link ValidationExceptionHandlerFactory}: factory for exception handler used during message validation
HapiContext serves as factory for HAPI objects that refer to this configuration. Changing the configuration automatically influence all HAPI objects that were created and will be created using the given factory instance:
- {@link PipeParser}
- {@link XMLParser}
- {@link GenericParser}
- {@link Validator}
- {@link ConnectionHub}
- {@link ca.uhn.hl7v2.app.SimpleServer}
- {@link ca.uhn.hl7v2.app.TwoPortService}

        Message received = mock.getReceivedExchanges().get(0).getIn().getMandatoryBody(Message.class);
        assertEquals("O01", new Terser(received).get("MSH-9-2"));
    }    


    protected RouteBuilder createRouteBuilder() throws Exception {
        HapiContext hapiContext = new DefaultHapiContext();
        hapiContext.setValidationContext(new NoValidation());
        Parser p = new GenericParser(hapiContext);
        hl7 = new HL7DataFormat();
        hl7.setParser(p);
        
        return new RouteBuilder() {

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   * NoValidation validation context}.
     *
     * @return PipeParser with disabled validation
   */
  public static PipeParser getInstanceWithNoValidation() {
    HapiContext context = new DefaultHapiContext();
    context.setValidationContext(ValidationContextFactory.noValidation());
    return new PipeParser(context);
  }

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   *            this parser (defaults to ValidationContextFactory.DefaultValidation)
   * 
   * @deprecated use a dedicated {@link HapiContext} and set its ValidationContext property
   */
  public void setValidationContext(ValidationContext context) {
    HapiContext newContext = new DefaultHapiContext(getHapiContext());
    newContext.setValidationContext(context);
    setHapiContext(newContext);
  }

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   * @param configuration The parser configuration
   * 
   * @deprecated use a dedicated {@link HapiContext} and set its ParserConfiguration property
   */
  public void setParserConfiguration(ParserConfiguration configuration) {
    HapiContext newContext = new DefaultHapiContext(getHapiContext());
    newContext.setParserConfiguration(configuration);
    setHapiContext(newContext);
  }

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        return declaredProfiles.toArray(new String[declaredProfiles.size()]);
    }
    
    private ValidationException[] testAgainstProfile(Message message, String id) throws ProfileException, HL7Exception {
        HL7Exception[] exceptions;
        HapiContext context = message.getParser().getHapiContext();
        Validator validator = context.getConformanceValidator();
        try {
            ProfileStore profileStore = context.getProfileStore();
            String profileString = profileStore.getProfile(id);
            if (profileString != null) {
                RuntimeProfile profile = PARSER.parse(profileString);               
                exceptions = validator.validate(message, profile.getMessage());
            } else {

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   * NoValidation validation context}.
     *
     * @return PipeParser with disabled validation
   */
  public static PipeParser getInstanceWithNoValidation() {
    HapiContext context = new DefaultHapiContext();
    context.setValidationContext(ValidationContextFactory.noValidation());
    return new PipeParser(context);
  }

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        return profile;
    }


    private ValidationException[] testAgainstProfile(Message message, String id) throws ProfileException, HL7Exception {
        HL7Exception[] exceptions;
        HapiContext context = message.getParser().getHapiContext();
        Validator validator = context.getConformanceValidator();
        try {
            ProfileStore profileStore = context.getProfileStore();
            String profileString = profileStore.getProfile(id);
            if (profileString != null) {
                RuntimeProfile profile = getProfile(profileString);
                exceptions = validator.validate(message, profile.getMessage());
            } else {

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   * NoValidation validation context}.
     *
     * @return PipeParser with disabled validation
   */
  public static PipeParser getInstanceWithNoValidation() {
    HapiContext context = new DefaultHapiContext();
    context.setValidationContext(ValidationContextFactory.noValidation());
    return new PipeParser(context);
  }

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    public void start() {
        /*
        * The server may have any number of "application" objects registered to handle messages. We
        * are going to create an application to listen to ADT^A01 messages.
        */
        Application handler = new SampleApp();
        server.registerApplication("*", "*", handler);


        /*
        * Another option would be to specify a single application to handle all messages, like
        * this:

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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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