List of usage examples for com.fasterxml.jackson.databind.util TokenBuffer TokenBuffer
public TokenBuffer(ObjectCodec paramObjectCodec)
From source file:org.neo4j.ogm.drivers.http.response.AbstractHttpResponse.java
public AbstractHttpResponse(CloseableHttpResponse httpResponse, Class<T> resultClass) { this.resultClass = resultClass; try {/* ww w. jav a2s. c o m*/ this.httpResponse = httpResponse; this.results = httpResponse.getEntity().getContent(); try (JsonParser parser = ObjectMapperFactory.jsonFactory().createParser(results)) { buffer = new TokenBuffer(parser); //Copy the contents of the response into the token buffer. //This is so that we do not have to serialize the response to textual json while we get to the end of the stream to check for errors parser.nextToken(); buffer.copyCurrentStructure(parser); } bufferParser = buffer.asParser(); } catch (IOException ioException) { throw new RuntimeException(ioException); } finally { close(); //We are done with the InputStream } initialise(); }
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. jav a2 s . com 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:org.emfjson.jackson.databind.deser.EObjectDeserializer.java
@Override public EObject deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException { EMFContext.prepare(ctxt);/* ww w.j a v a2 s . co m*/ final EClass defaultType = findRoot(ctxt); final Resource resource = getResource(ctxt); final EStructuralFeature feature = EMFContext.getFeature(ctxt); EObject current = null; EObjectPropertyMap propertyMap; if (feature == null && defaultType != null) { propertyMap = builder.construct(defaultType); } else if (feature instanceof EReference) { propertyMap = builder.construct(((EReference) feature).getEReferenceType()); } else { propertyMap = builder.constructDefault(); } TokenBuffer buffer = null; // // System.out.println("context name " + jp.getParsingContext().getCurrentName()); // System.out.println("current " + jp.getCurrentValue()); // if (jp.getParsingContext().getParent() != null) { // System.out.println("context parent name " + jp.getParsingContext().getParent().getCurrentName()); // } while (jp.nextToken() != JsonToken.END_OBJECT) { final String field = jp.getCurrentName(); final EObjectProperty property = propertyMap.findProperty(field); if (property instanceof EObjectTypeProperty) { current = property.deserialize(jp, ctxt); if (current != null) { propertyMap = builder.construct(current.eClass()); } } else if (property != null && current != null) { property.deserializeAndSet(jp, current, ctxt, resource); } else if (property == null && current != null) { handleUnknownProperty(jp, resource, ctxt); } else { if (buffer == null) { buffer = new TokenBuffer(jp); } buffer.copyCurrentStructure(jp); } } return buffer == null ? current : postDeserialize(buffer, current, defaultType, ctxt); }
From source file:org.immutables.gson.stream.JsonParserReader.java
/** * Reads current value including objects and array as effiecient token buffer. * Use of Jackson's own mechanisms is important to preserve custom elements * such as special embedded objects in BSON or other data formats. * @return {@link TokenBuffer}// w ww .j av a 2s . com * @throws IOException if error occured */ public final TokenBuffer nextTokenBuffer() throws IOException { TokenBuffer buffer = new TokenBuffer(parser); // if token is consumed, but undelying parser is still sitting on this token, we move forward requirePeek(); buffer.copyCurrentStructure(parser); // when we will return to reading from reader, state will be cleared and nextToken after clearPeek(); return buffer; }
From source file:de.ii.ldproxy.gml2json.AbstractFeatureWriter.java
public TokenBuffer createJsonBuffer() throws IOException { TokenBuffer json = new TokenBuffer(jsonMapper); //if (useFormattedJsonOutput) { json.useDefaultPrettyPrinter();/*from w w w . ja v a2s. co m*/ //} return json; }
From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java
/** * Method called to deserialize bean using "property-based creator": * this means that a non-default constructor or factory method is * called, and then possibly other setters. The trick is that * values for creator method need to be buffered, first; and * due to non-guaranteed ordering possibly some other properties * as well.//from ww w . j ava2s . co m */ @Override @SuppressWarnings("resource") protected Object _deserializeUsingPropertyBased(final JsonParser jp, final DeserializationContext ctxt) throws IOException { final PropertyBasedCreator creator = _propertyBasedCreator; PropertyValueBuffer buffer = creator.startBuilding(jp, ctxt, _objectIdReader); // 04-Jan-2010, tatu: May need to collect unknown properties for polymorphic cases TokenBuffer unknown = null; 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)) { 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); bean = null; // never gets here } // polymorphic? if (bean.getClass() != _beanType.getRawClass()) { return handlePolymorphic(jp, ctxt, bean, unknown); } if (unknown != null) { // nope, just extra unknown stuff... bean = handleUnknownProperties(ctxt, bean, unknown); } // or just clean? return deserialize(jp, ctxt, bean); } 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; } // "any property"? if (_anySetter != null) { buffer.bufferAnyProperty(_anySetter, propName, _anySetter.deserialize(jp, ctxt)); continue; } // Ok then, let's collect the whole field; name and value if (unknown == null) { unknown = new TokenBuffer(jp); } unknown.writeFieldName(propName); unknown.copyCurrentStructure(jp); } // We hit END_OBJECT, so: Object bean; try { bean = creator.build(ctxt, buffer); } catch (Exception e) { wrapInstantiationProblem(e, ctxt); bean = null; // never gets here } if (unknown != null) { // polymorphic? if (bean.getClass() != _beanType.getRawClass()) { return handlePolymorphic(null, ctxt, bean, unknown); } // no, just some extra unknown properties return handleUnknownProperties(ctxt, bean, unknown); } return bean; }
From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java
/** * Method called when there are declared "unwrapped" properties * which need special handling//from w w w . j av a 2 s.c o m */ @SuppressWarnings("resource") protected Object deserializeWithUnwrapped(JsonParser jp, DeserializationContext ctxt) throws IOException { if (_delegateDeserializer != null) { return _valueInstantiator.createUsingDelegate(ctxt, _delegateDeserializer.deserialize(jp, ctxt)); } if (_propertyBasedCreator != null) { return deserializeUsingPropertyBasedWithUnwrapped(jp, ctxt); } TokenBuffer tokens = new TokenBuffer(jp); tokens.writeStartObject(); final Object bean = _valueInstantiator.createUsingDefault(ctxt); if (_injectables != null) { injectValues(ctxt, bean); } final Class<?> activeView = _needViewProcesing ? ctxt.getActiveView() : null; beanDeserializerAdvice.before(bean, jp, ctxt); for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) { String propName = jp.getCurrentName(); jp.nextToken(); if (beanDeserializerAdvice.intercept(bean, propName, jp, ctxt)) { continue; } SettableBeanProperty prop = _beanProperties.find(propName); if (prop != null) { // normal case if (activeView != null && !prop.visibleInView(activeView)) { jp.skipChildren(); continue; } try { prop.deserializeAndSet(jp, ctxt, bean); } catch (Exception e) { wrapAndThrow(e, bean, propName, ctxt); } continue; } // ignorable things should be ignored if (_ignorableProps != null && _ignorableProps.contains(propName)) { handleIgnoredProperty(jp, ctxt, bean, propName); continue; } // but... others should be passed to unwrapped property deserializers tokens.writeFieldName(propName); tokens.copyCurrentStructure(jp); // how about any setter? We'll get copies but... if (_anySetter != null) { try { _anySetter.deserializeAndSet(jp, ctxt, bean, propName); } catch (Exception e) { wrapAndThrow(e, bean, propName, ctxt); } continue; } } tokens.writeEndObject(); _unwrappedPropertyHandler.processUnwrapped(jp, ctxt, bean, tokens); beanDeserializerAdvice.after(bean, jp, ctxt); return bean; }
From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java
@SuppressWarnings("resource") protected Object deserializeWithUnwrapped(JsonParser jp, DeserializationContext ctxt, Object bean) throws IOException { JsonToken t = jp.getCurrentToken();/* www .j a va 2s . c om*/ if (t == JsonToken.START_OBJECT) { t = jp.nextToken(); } TokenBuffer tokens = new TokenBuffer(jp); tokens.writeStartObject(); final Class<?> activeView = _needViewProcesing ? ctxt.getActiveView() : null; beanDeserializerAdvice.before(bean, jp, ctxt); for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) { String propName = jp.getCurrentName(); if (beanDeserializerAdvice.intercept(bean, propName, jp, ctxt)) { continue; } SettableBeanProperty prop = _beanProperties.find(propName); jp.nextToken(); if (prop != null) { // normal case if (activeView != null && !prop.visibleInView(activeView)) { jp.skipChildren(); continue; } try { prop.deserializeAndSet(jp, ctxt, bean); } catch (Exception e) { wrapAndThrow(e, bean, propName, ctxt); } continue; } if (_ignorableProps != null && _ignorableProps.contains(propName)) { handleIgnoredProperty(jp, ctxt, bean, propName); continue; } // but... others should be passed to unwrapped property deserializers tokens.writeFieldName(propName); tokens.copyCurrentStructure(jp); // how about any setter? We'll get copies but... if (_anySetter != null) { _anySetter.deserializeAndSet(jp, ctxt, bean, propName); } } tokens.writeEndObject(); _unwrappedPropertyHandler.processUnwrapped(jp, ctxt, bean, tokens); beanDeserializerAdvice.after(bean, jp, ctxt); return bean; }
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();//w w w . java 2 s .c om 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); }
From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java
protected Object deserializeUsingPropertyBasedWithExternalTypeId(JsonParser jp, DeserializationContext ctxt) throws IOException { final ExternalTypeHandler ext = _externalTypeIdHandler.start(); final PropertyBasedCreator creator = _propertyBasedCreator; PropertyValueBuffer buffer = creator.startBuilding(jp, ctxt, _objectIdReader); TokenBuffer tokens = new TokenBuffer(jp); tokens.writeStartObject();// w ww . j a v a 2 s . co 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) { // first: let's check to see if this might be part of value with external type id: if (!ext.handlePropertyValue(jp, ctxt, propName, buffer)) { // 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(); } if (bean.getClass() != _beanType.getRawClass()) { // !!! 08-Jul-2011, tatu: Could probably support; but for now // it's too complicated, so bail out throw ctxt .mappingException("Can not create polymorphic instances with unwrapped values"); } return ext.complete(jp, ctxt, bean); } } 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; } // external type id (or property that depends on it)? if (ext.handlePropertyValue(jp, ctxt, propName, null)) { 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; } // "any property"? if (_anySetter != null) { buffer.bufferAnyProperty(_anySetter, propName, _anySetter.deserialize(jp, ctxt)); } } // We hit END_OBJECT; resolve the pieces: try { return ext.complete(jp, ctxt, buffer, creator); } catch (Exception e) { wrapInstantiationProblem(e, ctxt); return null; // never gets here } }