Examples of javax.xml.bind.ValidationEventHandler

javax.xml.bind.ValidationEventHandler

An instance of ValidationEventHandler allows to customize the reply to instances of {@link javax.xml.bind.ValidationEvent}. By default, there is a standard ValidationEventHandler, converting errors and fatal errors in Exceptions.

The JAXB user creates instances of ValidationEventHandler and registers them with the {@link Marshaller}, {@link Unmarshaller}, or {@link Validator}. The JAXB provider is required not to throw exceptions directly, but to convert all detected problems into events, which are fired on the ValidationEventHandler.
@since JAXB1.0 @author JSR-31 @see Marshaller @see Unmarshaller @see javax.xml.bind.ValidationEvent

    return observer;
  }


  protected void validationEvent(int pSeverity, String pMsg, String pErrorCode)
      throws SAXException {
    ValidationEventHandler eventHandler;
    try {
      eventHandler = getData().getUnmarshaller().getEventHandler();
    } catch (JAXBException e) {
      /* Interesting question: Which event to report? The JAXBException or the
       * validation event? We choose the former.
       */
       throw new SAXException(e);
    }
    if (eventHandler == null) {
      throw new SAXParseException(pMsg, getDocumentLocator());
    } else {
      ValidationEventLocator myLocator = new ValidationEventLocatorImpl(getDocumentLocator());
      ValidationEventImpl event = new ValidationEventImpl(pSeverity,
                                                          pErrorCode + ": " + pMsg,
                                                          myLocator);
      event.setErrorCode(pErrorCode);
      eventHandler.handleEvent(event);
    }
  }

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  }


  protected void validationEvent(int pSeverity, String pMsg, String pErrorCode,
                                   Exception pException)
      throws SAXException {
    ValidationEventHandler eventHandler;
    try {
      eventHandler = getData().getUnmarshaller().getEventHandler();
    } catch (JAXBException e) {
      /* Interesting question: Which event to report? The JAXBException or the
       * validation event? We decide against the former.
       */
       throw new SAXException(e);
    }
    if (eventHandler == null) {
      throw new SAXParseException(pMsg, getDocumentLocator(), pException);
    } else {
      ValidationEventLocator myLocator = new ValidationEventLocatorImpl(getDocumentLocator());
      ValidationEventImpl event = new ValidationEventImpl(pSeverity,
                                                          pErrorCode + ": " + pMsg,
                                                          myLocator,
                                                          pException);
      event.setErrorCode(pErrorCode);
      eventHandler.handleEvent(event);
    }
  }

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        SAXParser parser = factory.newSAXParser();


        JAXBContext ctx = JaxbJavaee.getContext(type);
        Unmarshaller unmarshaller = ctx.createUnmarshaller();
        unmarshaller.setEventHandler(new ValidationEventHandler(){
            public boolean handleEvent(ValidationEvent validationEvent) {
                String verbose = System.getProperty("openejb.validation.output.level");
                if (verbose != null && "VERBOSE".equals(verbose.toUpperCase())) {
                    System.err.println(validationEvent);
                }

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        factory.setValidating(validate);
        SAXParser parser = factory.newSAXParser();


        JAXBContext ctx = JaxbJavaee.getContext(type);
        Unmarshaller unmarshaller = ctx.createUnmarshaller();
        unmarshaller.setEventHandler(new ValidationEventHandler(){
            public boolean handleEvent(ValidationEvent validationEvent) {
                System.out.println(validationEvent);
                return false;
            }
        });

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        factory.setValidating(false);
        SAXParser parser = factory.newSAXParser();


        JAXBContext ctx = JaxbJavaee.getContext(type);
        Unmarshaller unmarshaller = ctx.createUnmarshaller();
        unmarshaller.setEventHandler(new ValidationEventHandler(){
            public boolean handleEvent(ValidationEvent validationEvent) {
                System.out.println(validationEvent);
                return false;
            }
        });

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        factory.setValidating(false);
        SAXParser parser = factory.newSAXParser();


        JAXBContext ctx = JaxbJavaee.getContext(type);
        Unmarshaller unmarshaller = ctx.createUnmarshaller();
        unmarshaller.setEventHandler(new ValidationEventHandler(){
            public boolean handleEvent(ValidationEvent validationEvent) {
                System.out.println(validationEvent);
                return false;
            }
        });

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//
    private final UnmarshallerImpl parent;
    private boolean aborted = false;
    
    public void handleEvent(ValidationEvent event, boolean canRecover ) throws SAXException {
        ValidationEventHandler eventHandler;
        try {
            eventHandler = parent.getEventHandler();
        } catch( JAXBException e ) {
            // impossible.
            throw new JAXBAssertionError();
        }


        boolean recover = eventHandler.handleEvent(event);
        
        // if the handler says "abort", we will not return the object
        // from the unmarshaller.getResult()
        if(!recover)    aborted = true;

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//
    private final UnmarshallerImpl parent;
    private boolean aborted = false;
    
    public void handleEvent(ValidationEvent event, boolean canRecover ) throws SAXException {
        ValidationEventHandler eventHandler;
        try {
            eventHandler = parent.getEventHandler();
        } catch( JAXBException e ) {
            // impossible.
            throw new JAXBAssertionError();
        }


        boolean recover = eventHandler.handleEvent(event);
        
        // if the handler says "abort", we will not return the object
        // from the unmarshaller.getResult()
        if(!recover)    aborted = true;

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        currentTarget = oldTarget;
    }
    


    public void reportError( ValidationEvent ve ) throws AbortSerializationException {
        ValidationEventHandler handler;
        
        try {
            handler = owner.getEventHandler();
        } catch( JAXBException e ) {
            throw new AbortSerializationException(e);
        }
        
        if(!handler.handleEvent(ve)) {
            if(ve.getLinkedException() instanceof Exception)
                throw new AbortSerializationException((Exception)ve.getLinkedException());
            else
                throw new AbortSerializationException(ve.getMessage());
        }

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        o.serializeAttributeBodies(this);
    }
    
    
    public void reportError( ValidationEvent ve ) throws AbortSerializationException {
        ValidationEventHandler handler;
        
        try {
            handler = owner.getEventHandler();
        } catch( JAXBException e ) {
            throw new AbortSerializationException(e);
        }
        
        if(!handler.handleEvent(ve))
            throw new AbortSerializationException(ve.getMessage());
    }

View Full Code Here

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