Java Code Examples for org.apache.olingo.server.api.serializer.ODataSerializer#entity()

The following examples show how to use org.apache.olingo.server.api.serializer.ODataSerializer#entity() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
												 ContentType requestFormat, ContentType responseFormat)
			throws ODataApplicationException, DeserializerException, SerializerException {
	
	// 1. Retrieve the entity type from the URI 
	EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
	EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	// 2. create the data in backend 
	// 2.1. retrieve the payload from the POST request for the entity to create and deserialize it
	InputStream requestInputStream = request.getBody();
	ODataDeserializer deserializer = odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// 2.2 do the creation in backend, which returns the newly created entity
	Entity createdEntity = storage.createEntityData(edmEntitySet, requestEntity);
	
	// 3. serialize the response (we have to return the created entity)
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build(); 
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build(); // expand and select currently not supported 
	
	ODataSerializer serializer = odata.createSerializer(responseFormat);
	SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);
	
	//4. configure the response object
	response.setContent(serializedResponse.getContent());
	response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 2
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
												 ContentType requestFormat, ContentType responseFormat)
			throws ODataApplicationException, DeserializerException, SerializerException {
	
	// 1. Retrieve the entity type from the URI 
	EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
	EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	// 2. create the data in backend 
	// 2.1. retrieve the payload from the POST request for the entity to create and deserialize it
	InputStream requestInputStream = request.getBody();
	ODataDeserializer deserializer = this.odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// 2.2 do the creation in backend, which returns the newly created entity
	Entity createdEntity = storage.createEntityData(edmEntitySet, requestEntity);
	
	// 3. serialize the response (we have to return the created entity)
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build(); 
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build(); // expand and select currently not supported 
	
	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);
	
	//4. configure the response object
	response.setContent(serializedResponse.getContent());
	response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 3
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
     throws ODataApplicationException, SerializerException {
	
	// 1. retrieve the Entity Type 
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); 
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
	
	// 2. retrieve the data from backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
	
	// 3. serialize
	EdmEntityType entityType = edmEntitySet.getEntityType();
	
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
 	// expand and select currently not supported
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult result = serializer.entity(serviceMetadata, entityType, entity, options);
	
	//4. configure the response object
	response.setContent(result.getContent());
	response.setStatusCode(HttpStatusCode.OK.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 4
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
    throws ODataApplicationException, SerializerException {

  // 1. retrieve the Entity Type
  List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  // Note: only in our example we can assume that the first segment is the EntitySet
  UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
  EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

  // 2. retrieve the data from backend
  List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
  Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);

  // 3. serialize
  EdmEntityType entityType = edmEntitySet.getEntityType();

  ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
  // expand and select currently not supported
  EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

  ODataSerializer serializer = this.odata.createSerializer(responseFormat);
  SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
  InputStream entityStream = serializerResult.getContent();

  // 4. configure the response object
  response.setContent(entityStream);
  response.setStatusCode(HttpStatusCode.OK.getStatusCode());
  response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 5
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
												 ContentType requestFormat, ContentType responseFormat)
			throws ODataApplicationException, DeserializerException, SerializerException {
	
	// 1. Retrieve the entity type from the URI 
	EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
	EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	// 2. create the data in backend 
	// 2.1. retrieve the payload from the POST request for the entity to create and deserialize it
	InputStream requestInputStream = request.getBody();
	ODataDeserializer deserializer = odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// 2.2 do the creation in backend, which returns the newly created entity
	Entity createdEntity = null;
	
	try {
	  storage.beginTransaction();
	  createdEntity = storage.createEntityData(edmEntitySet, requestEntity, request.getRawBaseUri());
	  storage.commitTransaction();
	} catch( ODataApplicationException e ) {
	  storage.rollbackTransaction();
	  throw e;
	}
	  
	  // 3. serialize the response (we have to return the created entity)
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build(); 
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build(); // expand and select currently not supported 
	
	ODataSerializer serializer = odata.createSerializer(responseFormat);
	SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);
	
	//4. configure the response object
	response.setContent(serializedResponse.getContent());
	response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 6
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
												 ContentType requestFormat, ContentType responseFormat)
			throws ODataApplicationException, DeserializerException, SerializerException {
	
	// 1. Retrieve the entity type from the URI 
	EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
	EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	// 2. create the data in backend 
	// 2.1. retrieve the payload from the POST request for the entity to create and deserialize it
	InputStream requestInputStream = request.getBody();
	ODataDeserializer deserializer = this.odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// 2.2 do the creation in backend, which returns the newly created entity
	Entity createdEntity = storage.createEntityData(edmEntitySet, requestEntity);
	
	// 3. serialize the response (we have to return the created entity)
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build(); 
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build(); // expand and select currently not supported 
	
	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);
	
	//4. configure the response object
	final String location = request.getRawBaseUri() + '/'
       + odata.createUriHelper().buildCanonicalURL(edmEntitySet, createdEntity);
	
	response.setHeader(HttpHeader.LOCATION, location);
	response.setContent(serializedResponse.getContent());
	response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 7
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
     throws ODataApplicationException, SerializerException {
	
	// 1. retrieve the Entity Type 
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); 
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
	
	// 2. retrieve the data from backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
	
	// 3. serialize
	EdmEntityType entityType = edmEntitySet.getEntityType();
	
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
 	// expand and select currently not supported
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult result = serializer.entity(serviceMetadata, entityType, entity, options);
	
	//4. configure the response object
	response.setContent(result.getContent());
	response.setStatusCode(HttpStatusCode.OK.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 8
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
												 ContentType requestFormat, ContentType responseFormat)
			throws ODataApplicationException, DeserializerException, SerializerException {
	
	// 1. Retrieve the entity type from the URI 
	EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
	EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	// 2. create the data in backend 
	// 2.1. retrieve the payload from the POST request for the entity to create and deserialize it
	InputStream requestInputStream = request.getBody();
	ODataDeserializer deserializer = odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// 2.2 do the creation in backend, which returns the newly created entity
	Entity createdEntity = storage.createEntityData(edmEntitySet, requestEntity);
	
	// 3. serialize the response (we have to return the created entity)
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build(); 
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build(); // expand and select currently not supported 
	
	ODataSerializer serializer = odata.createSerializer(responseFormat);
	SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);
	
	//4. configure the response object
	response.setContent(serializedResponse.getContent());
	response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 9
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
private void readFunctionImportInternal(final ODataRequest request, final ODataResponse response, 
    final UriInfo uriInfo, final ContentType responseFormat) throws ODataApplicationException, SerializerException {
  
  // 1st step: Analyze the URI and fetch the entity returned by the function import
  // Function Imports are always the first segment of the resource path
  final UriResource firstSegment = uriInfo.getUriResourceParts().get(0);
  
  if(!(firstSegment instanceof UriResourceFunction)) {
    throw new ODataApplicationException("Not implemented", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), 
        Locale.ENGLISH);
  }
  
  final UriResourceFunction uriResourceFunction = (UriResourceFunction) firstSegment;
  final Entity entity = storage.readFunctionImportEntity(uriResourceFunction, serviceMetadata);
  
  if(entity == null) {
    throw new ODataApplicationException("Nothing found.", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ROOT);
  }
  
  // 2nd step: Serialize the response entity
  final EdmEntityType edmEntityType = (EdmEntityType) uriResourceFunction.getFunction().getReturnType().getType();
  final ContextURL contextURL = ContextURL.with().type(edmEntityType).build();
   final EntitySerializerOptions opts = EntitySerializerOptions.with().contextURL(contextURL).build();
   final ODataSerializer serializer = odata.createSerializer(responseFormat);
   final SerializerResult serializerResult = serializer.entity(serviceMetadata, edmEntityType, entity, opts);

   // 3rd configure the response object
   response.setContent(serializerResult.getContent());
   response.setStatusCode(HttpStatusCode.OK.getStatusCode());
   response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 10
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
						throws ODataApplicationException, SerializerException {

	// 1. retrieve the Entity Type
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

	// 2. retrieve the data from backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);

	// 3. serialize
	EdmEntityType entityType = edmEntitySet.getEntityType();

	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
 	// expand and select currently not supported
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
	InputStream entityStream = serializerResult.getContent();

	//4. configure the response object
	response.setContent(entityStream);
	response.setStatusCode(HttpStatusCode.OK.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 11
Source File: ProductEntityProcessor.java    From syndesis with Apache License 2.0 5 votes vote down vote up 
@Override
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
    throws ODataApplicationException, SerializerException {

    // 1. retrieve the Entity Type
    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // Note: only in our example we can assume that the first segment is the
    // EntitySet
    UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
    EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

    // 2. retrieve the data from backend
    List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
    Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
    LOG.info("Reading entity {}", entity.getSelfLink());

    // 3. serialize
    EdmEntityType entityType = edmEntitySet.getEntityType();

    ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
    // expand and select currently not supported
    EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

    ODataSerializer serializer = this.odata.createSerializer(responseFormat);
    SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
    InputStream entityStream = serializerResult.getContent();

    // 4. configure the response object
    response.setContent(entityStream);
    response.setStatusCode(HttpStatusCode.OK.getStatusCode());
    response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 12
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
private void readFunctionImportInternal(final ODataRequest request, final ODataResponse response,
    final UriInfo uriInfo, final ContentType responseFormat) throws ODataApplicationException, SerializerException {

  // 1st step: Analyze the URI and fetch the entity returned by the function import
  // Function Imports are always the first segment of the resource path
  final UriResource firstSegment = uriInfo.getUriResourceParts().get(0);

  if (!(firstSegment instanceof UriResourceFunction)) {
    throw new ODataApplicationException("Not implemented", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(),
        Locale.ENGLISH);
  }

  final UriResourceFunction uriResourceFunction = (UriResourceFunction) firstSegment;
  final Entity entity = storage.readFunctionImportEntity(uriResourceFunction, serviceMetadata);

  if (entity == null) {
    throw new ODataApplicationException("Nothing found.", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ROOT);
  }

  // 2nd step: Serialize the response entity
  final EdmEntityType edmEntityType = (EdmEntityType) uriResourceFunction.getFunction().getReturnType().getType();
  final ContextURL contextURL = ContextURL.with().type(edmEntityType).build();
  final EntitySerializerOptions opts = EntitySerializerOptions.with().contextURL(contextURL).build();
  final ODataSerializer serializer = odata.createSerializer(responseFormat);
  final SerializerResult serializerResult = serializer.entity(serviceMetadata, edmEntityType, entity, opts);

  // 3rd configure the response object
  response.setContent(serializerResult.getContent());
  response.setStatusCode(HttpStatusCode.OK.getStatusCode());
  response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 13
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
												 ContentType requestFormat, ContentType responseFormat)
			throws ODataApplicationException, DeserializerException, SerializerException {
	
	// 1. Retrieve the entity type from the URI 
	EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
	EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	// 2. create the data in backend 
	// 2.1. retrieve the payload from the POST request for the entity to create and deserialize it
	InputStream requestInputStream = request.getBody();
	ODataDeserializer deserializer = odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// 2.2 do the creation in backend, which returns the newly created entity
	Entity createdEntity = storage.createEntityData(edmEntitySet, requestEntity);
	
	// 3. serialize the response (we have to return the created entity)
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build(); 
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build(); // expand and select currently not supported 
	
	ODataSerializer serializer = odata.createSerializer(responseFormat);
	SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);
	
	//4. configure the response object
	response.setContent(serializedResponse.getContent());
	response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 14
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
						throws ODataApplicationException, SerializerException {

	// 1. retrieve the Entity Type
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

	// 2. retrieve the data from backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);

	// 3. serialize
	EdmEntityType entityType = edmEntitySet.getEntityType();

	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
 	// expand and select currently not supported
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
	InputStream entityStream = serializerResult.getContent();

	//4. configure the response object
	response.setContent(entityStream);
	response.setStatusCode(HttpStatusCode.OK.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 15
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
												 ContentType requestFormat, ContentType responseFormat)
			throws ODataApplicationException, DeserializerException, SerializerException {
	
	// 1. Retrieve the entity type from the URI 
	EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
	EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	// 2. create the data in backend 
	// 2.1. retrieve the payload from the POST request for the entity to create and deserialize it
	InputStream requestInputStream = request.getBody();
	ODataDeserializer deserializer = odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// 2.2 do the creation in backend, which returns the newly created entity
	Entity createdEntity = null;
	
	try {
	  storage.beginTransaction();
	  createdEntity = storage.createEntityData(edmEntitySet, requestEntity, request.getRawBaseUri());
	  storage.commitTransaction();
	} catch( ODataApplicationException e ) {
	  storage.rollbackTransaction();
	  throw e;
	}
	  
	  // 3. serialize the response (we have to return the created entity)
	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build(); 
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build(); // expand and select currently not supported 
	
	ODataSerializer serializer = odata.createSerializer(responseFormat);
	SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);
	
	//4. configure the response object
	response.setContent(serializedResponse.getContent());
	response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 16
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
						throws ODataApplicationException, SerializerException {

	// 1. retrieve the Entity Type
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

	// 2. retrieve the data from backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);

	// 3. serialize
	EdmEntityType entityType = edmEntitySet.getEntityType();

	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
 	// expand and select currently not supported
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
	InputStream entityStream = serializerResult.getContent();

	//4. configure the response object
	response.setContent(entityStream);
	response.setStatusCode(HttpStatusCode.OK.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 17
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 5 votes vote down vote up 
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
						throws ODataApplicationException, SerializerException {

	// 1. retrieve the Entity Type
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

	// 2. retrieve the data from backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);

	// 3. serialize
	EdmEntityType entityType = edmEntitySet.getEntityType();

	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
 	// expand and select currently not supported
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
	InputStream entityStream = serializerResult.getContent();

	//4. configure the response object
	response.setContent(entityStream);
	response.setStatusCode(HttpStatusCode.OK.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 18
Source File: ProductEntityProcessor.java    From syndesis with Apache License 2.0 5 votes vote down vote up 
@Override
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat, ContentType responseFormat)
    throws ODataApplicationException, DeserializerException, SerializerException {
    // 1. Retrieve the entity type from the URI
    EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
    EdmEntityType edmEntityType = edmEntitySet.getEntityType();

    // 2. create the data in backend
    // 2.1. retrieve the payload from the POST request for the entity to
    // create and deserialize it
    InputStream requestInputStream = request.getBody();
    ODataDeserializer deserializer = this.odata.createDeserializer(requestFormat);
    DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
    Entity requestEntity = result.getEntity();
    LOG.info("Creating new entity {}", requestEntity);

    // 2.2 do the creation in backend, which returns the newly created
    // entity
    Entity createdEntity = storage.createEntityData(edmEntitySet, requestEntity);

    // 3. serialize the response (we have to return the created entity)
    ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build();
    // expand and select currently not supported
    EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

    ODataSerializer serializer = this.odata.createSerializer(responseFormat);
    SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);

    // 4. configure the response object
    response.setContent(serializedResponse.getContent());
    response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
    response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
Example 19
Source File: DemoEntityProcessor.java    From olingo-odata4 with Apache License 2.0 4 votes vote down vote up 
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
    ContentType requestFormat, ContentType responseFormat)
        throws ODataApplicationException, DeserializerException, SerializerException {

  // 1. Retrieve the entity type from the URI
  EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
  EdmEntityType edmEntityType = edmEntitySet.getEntityType();

  // 2. create the data in backend
  // 2.1. retrieve the payload from the POST request for the entity to create and deserialize it
  InputStream requestInputStream = request.getBody();
  ODataDeserializer deserializer = this.odata.createDeserializer(requestFormat);
  DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
  Entity requestEntity = result.getEntity();
  // 2.2 do the creation in backend, which returns the newly created entity
  
  Entity createdEntity = null;
  try {
    storage.beginTransaction();
    createdEntity = storage.createEntityData(edmEntitySet, requestEntity, request.getRawBaseUri());
    storage.commitTransaction();
  } catch(ODataApplicationException e) {
    storage.rollbackTranscation();
    throw e;
  }

  // 3. serialize the response (we have to return the created entity)
  ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build();
  EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build(); // expand and
                                                                                                   // select currently
                                                                                                   // not supported

  ODataSerializer serializer = this.odata.createSerializer(responseFormat);
  SerializerResult serializedResponse = serializer.entity(serviceMetadata, edmEntityType, createdEntity, options);

  // 4. configure the response object
  final String location = request.getRawBaseUri() + '/'
      + odata.createUriHelper().buildCanonicalURL(edmEntitySet, createdEntity);
  
  response.setHeader(HttpHeader.LOCATION, location);
  response.setContent(serializedResponse.getContent());
  response.setStatusCode(HttpStatusCode.CREATED.getStatusCode());
  response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}