Example usage for com.fasterxml.jackson.databind.util TokenBuffer close

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind.util TokenBuffer close.

Prototype

public void close() 

Source Link

Usage

From source file:org.emfjson.jackson.databind.deser.EObjectDeserializer.java

protected EObject postDeserialize(TokenBuffer buffer, EObject object, EClass defaultType,
        DeserializationContext ctxt) throws IOException {
    if (object == null && defaultType == null) {
        return null;
    }//from   w w  w .  j  av  a2 s .  c  o m

    if (object == null) {
        object = EcoreUtil.create(defaultType);
    }

    final Resource resource = getResource(ctxt);
    final JsonParser jp = buffer.asParser();
    final EObjectPropertyMap propertyMap = builder.construct(object.eClass());

    while (jp.nextToken() != null) {
        final String field = jp.getCurrentName();
        final EObjectProperty property = propertyMap.findProperty(field);

        if (property != null) {
            property.deserializeAndSet(jp, object, ctxt, resource);
        } else {
            handleUnknownProperty(jp, resource, ctxt);
        }
    }
    jp.close();
    buffer.close();
    return object;
}

---

From source file:org.emfjson.jackson.streaming.StreamReader.java

protected EObject parseObject(JsonParser parser, EReference containment, EObject owner, EClass currentClass)
        throws IOException {

    EObject current = null;/*from   w  w w. j av a 2  s . c om*/

    if (currentClass != null) {
        current = EcoreUtil.create(currentClass);
    }

    final TokenBuffer buffer = new TokenBuffer(parser);

    while (parser.nextToken() != JsonToken.END_OBJECT) {
        final String fieldName = parser.getCurrentName();

        switch (fieldName) {
        case EJS_TYPE_KEYWORD:
            current = create(parser.nextTextValue());
            break;
        case EJS_UUID_ANNOTATION:
            if (resource instanceof UuidResource) {
                if (current != null) {
                    ((UuidResource) resource).setID(current, parser.nextTextValue());
                }
            }
            break;
        default:
            if (current == null && containment != null) {
                final EClass defaultType = containment.getEReferenceType();

                if (!defaultType.isAbstract()) {
                    current = EcoreUtil.create(defaultType);
                }
            }

            if (current != null) {
                readFeature(parser, current, fieldName);
            } else {
                buffer.copyCurrentStructure(parser);
            }
            break;
        }
    }

    buffer.close();

    if (current != null) {
        final JsonParser bufferedParser = buffer.asParser();

        while (bufferedParser.nextToken() != null) {
            readFeature(bufferedParser, current, bufferedParser.getCurrentName());
        }

        bufferedParser.close();
    }

    if (current != null && containment != null && owner != null) {
        EObjects.setOrAdd(owner, containment, current);
    }

    return current;
}

---

From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java

@SuppressWarnings("resource")
protected Object deserializeUsingPropertyBasedWithUnwrapped(JsonParser jp, DeserializationContext ctxt)
        throws IOException {
    final PropertyBasedCreator creator = _propertyBasedCreator;
    PropertyValueBuffer buffer = creator.startBuilding(jp, ctxt, _objectIdReader);

    TokenBuffer tokens = new TokenBuffer(jp);
    tokens.writeStartObject();//from w w  w.  j a  va 2s .  c  o m

    JsonToken t = jp.getCurrentToken();
    for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) {
        String propName = jp.getCurrentName();
        jp.nextToken(); // to point to value
        // creator property?
        SettableBeanProperty creatorProp = creator.findCreatorProperty(propName);
        if (creatorProp != null) {
            // Last creator property to set?
            Object value = creatorProp.deserialize(jp, ctxt);
            if (buffer.assignParameter(creatorProp.getCreatorIndex(), value)) {
                t = jp.nextToken(); // to move to following FIELD_NAME/END_OBJECT
                Object bean;
                try {
                    bean = creator.build(ctxt, buffer);
                } catch (Exception e) {
                    wrapAndThrow(e, _beanType.getRawClass(), propName, ctxt);
                    continue; // never gets here
                }
                // if so, need to copy all remaining tokens into buffer
                while (t == JsonToken.FIELD_NAME) {
                    jp.nextToken(); // to skip name
                    tokens.copyCurrentStructure(jp);
                    t = jp.nextToken();
                }
                tokens.writeEndObject();
                if (bean.getClass() != _beanType.getRawClass()) {
                    // !!! 08-Jul-2011, tatu: Could probably support; but for now
                    //   it's too complicated, so bail out
                    tokens.close();
                    throw ctxt.mappingException("Can not create polymorphic instances with unwrapped values");
                }
                return _unwrappedPropertyHandler.processUnwrapped(jp, ctxt, bean, tokens);
            }
            continue;
        }
        // Object Id property?
        if (buffer.readIdProperty(propName)) {
            continue;
        }

        // regular property? needs buffering
        SettableBeanProperty prop = _beanProperties.find(propName);
        if (prop != null) {
            buffer.bufferProperty(prop, prop.deserialize(jp, ctxt));
            continue;
        }
        /* As per [JACKSON-313], things marked as ignorable should not be
         * passed to any setter
         */
        if (_ignorableProps != null && _ignorableProps.contains(propName)) {
            handleIgnoredProperty(jp, ctxt, handledType(), propName);
            continue;
        }
        tokens.writeFieldName(propName);
        tokens.copyCurrentStructure(jp);
        // "any property"?
        if (_anySetter != null) {
            buffer.bufferAnyProperty(_anySetter, propName, _anySetter.deserialize(jp, ctxt));
        }
    }

    // We hit END_OBJECT, so:
    Object bean;
    try {
        bean = creator.build(ctxt, buffer);
    } catch (Exception e) {
        wrapInstantiationProblem(e, ctxt);
        return null; // never gets here
    }
    return _unwrappedPropertyHandler.processUnwrapped(jp, ctxt, bean, tokens);
}

---