Example usage for com.fasterxml.jackson.databind DeserializationContext getParser

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind DeserializationContext getParser.

Prototype

public final JsonParser getParser() 

Source Link

Usage

From source file:com.msopentech.odatajclient.engine.data.Deserializer.java

public static Edmx toMetadata(final InputStream input) {
    try {//from ww  w  . j a v  a  2  s.com
        final XmlMapper xmlMapper = new XmlMapper(
                new XmlFactory(new InputFactoryImpl(), new OutputFactoryImpl()), new JacksonXmlModule());
        xmlMapper.addHandler(new DeserializationProblemHandler() {

            @Override
            public boolean handleUnknownProperty(final DeserializationContext ctxt, final JsonParser jp,
                    final JsonDeserializer<?> deserializer, final Object beanOrClass, final String propertyName)
                    throws IOException, JsonProcessingException {

                // 1. special handling of AbstractAnnotatedEdm's fields
                if (beanOrClass instanceof AbstractAnnotatedEdm
                        && AbstractAnnotatedEdmUtils.isAbstractAnnotatedProperty(propertyName)) {

                    AbstractAnnotatedEdmUtils.parseAnnotatedEdm((AbstractAnnotatedEdm) beanOrClass, jp);
                } // 2. skip any other unknown property
                else {
                    ctxt.getParser().skipChildren();
                }

                return true;
            }
        });
        return xmlMapper.readValue(input, Edmx.class);
    } catch (Exception e) {
        throw new IllegalArgumentException("Could not parse as Edmx document", e);
    }
}

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From source file:com.addthis.codec.jackson.CodecBeanDeserializer.java

private void handleDefaultsAndRequiredAndNull(DeserializationContext ctxt, ObjectNode fieldValues)
        throws JsonMappingException {
    Iterator<SettableBeanProperty> propertyIterator = getDelegatee().properties();
    while (propertyIterator.hasNext()) {
        SettableBeanProperty prop = propertyIterator.next();
        String propertyName = prop.getName();
        JsonNode fieldValue = fieldValues.path(propertyName);
        if (fieldValue.isMissingNode() || fieldValue.isNull()) {
            if (fieldDefaults.hasNonNull(propertyName)) {
                fieldValue = fieldDefaults.get(propertyName).deepCopy();
                fieldValues.set(propertyName, fieldValue);
            } else if (prop.isRequired()) {
                throw MissingPropertyException.from(ctxt.getParser(), prop.getType().getRawClass(),
                        propertyName, getKnownPropertyNames());
            } else if (fieldValue.isNull()
                    && (prop.getType().isPrimitive() || (prop.getValueDeserializer().getNullValue() == null))) {
                // don't overwrite possible hard-coded defaults/ values with nulls unless they are fancy
                fieldValues.remove(propertyName);
            }//from ww  w .j  a  v a2s  .  c  o  m
        }
        if (fieldValue.isTextual()) {
            try {
                // sometimes we erroneously get strings that would parse into valid numbers and maybe other edge
                // cases (eg. when using system property overrides in typesafe-config). So we'll go ahead and guard
                // with this regex to make sure we only get reasonable candidates.
                Time time = prop.getAnnotation(Time.class);
                if ((time != null) && NUMBER_UNIT.matcher(fieldValue.textValue()).matches()) {
                    Duration dropWizardDuration = Duration.parse(fieldValue.asText());
                    long asLong = time.value().convert(dropWizardDuration.getQuantity(),
                            dropWizardDuration.getUnit());
                    fieldValues.put(propertyName, asLong);
                } else if ((prop.getAnnotation(Bytes.class) != null)
                        && NUMBER_UNIT.matcher(fieldValue.textValue()).matches()) {
                    Size dropWizardSize = Size.parse(fieldValue.asText());
                    long asLong = dropWizardSize.toBytes();
                    fieldValues.put(propertyName, asLong);
                }
            } catch (Throwable cause) {
                throw JsonMappingException.wrapWithPath(cause, prop.getType().getRawClass(), propertyName);
            }
        }
    }
}

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From source file:org.apache.olingo.client.core.serialization.ClientODataDeserializerImpl.java

protected XmlMapper getXmlMapper() {
    final XmlMapper xmlMapper = new XmlMapper(new XmlFactory(new InputFactoryImpl(), new OutputFactoryImpl()),
            new JacksonXmlModule());

    xmlMapper.setInjectableValues(new InjectableValues.Std().addValue(Boolean.class, Boolean.FALSE));

    xmlMapper.addHandler(new DeserializationProblemHandler() {
        @Override//ww w .j  a va 2 s .c  o  m
        public boolean handleUnknownProperty(final DeserializationContext ctxt, final JsonParser jp,
                final com.fasterxml.jackson.databind.JsonDeserializer<?> deserializer, final Object beanOrClass,
                final String propertyName) throws IOException, JsonProcessingException {

            // skip any unknown property
            ctxt.getParser().skipChildren();
            return true;
        }
    });
    return xmlMapper;
}

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