Java Code Examples for org.apache.olingo.server.api.uri.UriInfoResource#getUriResourceParts()

private EdmEntitySet getEdmEntitySet(final UriInfoResource uriInfo) throws ODataApplicationException {
  final List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  /*
   * To get the entity set we have to interpret all URI segments
   */
  if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
    throw new ODataApplicationException("Invalid resource type for first segment.",
        HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
  }

  /*
   * Here we should interpret the whole URI but in this example we do not support navigation so we throw an exception
   */

  final UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);
  return uriResource.getEntitySet();
}
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	 // To get the entity set we have to interpret all URI segments
	if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
		// Here we should interpret the whole URI but in this example we do not support navigation so we throw an exception
		throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(),Locale.ENGLISH);
	}
	
	UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);
	
	return uriResource.getEntitySet();
}
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
      // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
      // exception
      throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED
          .getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

    return uriResource.getEntitySet();
  }
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
      // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
      // exception
      throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED
          .getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

    return uriResource.getEntitySet();
  }
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
      // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
      // exception
      throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED
          .getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

    return uriResource.getEntitySet();
  }
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
      // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
      // exception
      throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED
          .getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

    return uriResource.getEntitySet();
  }
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
      // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
      // exception
      throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED
          .getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

    return uriResource.getEntitySet();
  }
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
      // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
      // exception
      throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED
          .getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

    return uriResource.getEntitySet();
  }
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
      // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
      // exception
      throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED
          .getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

    return uriResource.getEntitySet();
  }
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
      // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
      // exception
      throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED
          .getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

    return uriResource.getEntitySet();
  }
 

public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {
    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
    // To get the entity set we have to interpret all URI segments
    if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
        // Here we should interpret the whole URI but in this example we do not support navigation so we throw an
        // exception
        throw new ODataApplicationException("Invalid resource type for first segment.",
                                            HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
    }

    UriResourceEntitySet uriResource = (UriResourceEntitySet)resourcePaths.get(0);

    return uriResource.getEntitySet();
}
 

static ContextURL.Builder buildEntitySetContextURL(UriHelper helper,
    EdmBindingTarget edmEntitySet, List<UriParameter> keyPredicates, UriInfo uriInfo,
    LinkedList<UriResourceNavigation> navigations, boolean collectionReturn, boolean singleton, ODataRequest request)
    throws SerializerException {

  ContextURL.Builder builder =
      ContextURL.with().entitySetOrSingletonOrType(getTargetEntitySet(edmEntitySet, navigations));
  String select = helper.buildContextURLSelectList(edmEntitySet.getEntityType(),
      uriInfo.getExpandOption(), uriInfo.getSelectOption());
  if (!singleton) {
    builder.suffix(collectionReturn ? null : Suffix.ENTITY);
  }

  setServiceRoot(builder, request);    
  builder.selectList(select);

  final UriInfoResource resource = uriInfo.asUriInfoResource();
  final List<UriResource> resourceParts = resource.getUriResourceParts();
  final List<String> path = getPropertyPath(resourceParts);
  String propertyPath = buildPropertyPath(path);
  final String navPath = buildNavPath(helper, edmEntitySet.getEntityType(), navigations, collectionReturn);
  if (navPath != null && !navPath.isEmpty()) {
    if (keyPredicates != null) {
      builder.keyPath(helper.buildContextURLKeyPredicate(keyPredicates));
    }
    if (propertyPath != null) {
      propertyPath = navPath+"/"+propertyPath;
    } else {
      propertyPath = navPath;
    }
  }
  builder.navOrPropertyPath(propertyPath);
  return builder;
}
 

protected UriResourceNavigation getLastNavigation(final UriInfoResource uriInfo) {
  final List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  int navigationCount = 1;
  while (navigationCount < resourcePaths.size()
      && resourcePaths.get(navigationCount) instanceof UriResourceNavigation) {
    navigationCount++;
  }
  
  final UriResource lastSegment = resourcePaths.get(--navigationCount);
  return (lastSegment instanceof UriResourceNavigation) ? (UriResourceNavigation) lastSegment : null;
}
 

private void validatePath(final UriInfoResource uriInfo) throws ODataApplicationException {
  final List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  for (final UriResource segment : resourcePaths.subList(1, resourcePaths.size())) {
    final UriResourceKind kind = segment.getKind();
    if (kind != UriResourceKind.navigationProperty
        && kind != UriResourceKind.primitiveProperty
        && kind != UriResourceKind.complexProperty
        && kind != UriResourceKind.count
        && kind != UriResourceKind.value
        && kind != UriResourceKind.function) {
      throw new ODataApplicationException("Invalid resource type.",
          HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
    }
  }
}
 

private void deleteProperty(final ODataRequest request, ODataResponse response, final UriInfo uriInfo,
    final boolean isValue) throws ODataLibraryException, ODataApplicationException {
  final UriInfoResource resource = uriInfo.asUriInfoResource();
  validatePath(resource);
  getEdmEntitySet(uriInfo); // including checks

  Entity entity = readEntity(uriInfo);
  odata.createETagHelper().checkChangePreconditions(entity.getETag(),
      request.getHeaders(HttpHeader.IF_MATCH),
      request.getHeaders(HttpHeader.IF_NONE_MATCH));

  final List<UriResource> resourceParts = resource.getUriResourceParts();
  final int trailing = isValue ? 1 : 0;
  final List<String> path = getPropertyPath(resourceParts, trailing);

  Property property = getPropertyData(entity, path);

  final EdmProperty edmProperty = ((UriResourceProperty) resourceParts.get(resourceParts.size() - trailing - 1))
      .getProperty();

  if (edmProperty.isNullable()) {
    property.setValue(property.getValueType(), edmProperty.isCollection() ? Collections.emptyList() : null);
    dataProvider.updateETag(entity);
    response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
    if (entity.getETag() != null) {
      response.setHeader(HttpHeader.ETAG, entity.getETag());
    }
  } else {
    throw new ODataApplicationException("Not nullable.", HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ROOT);
  }
}
 

protected List<DeltaLink> readDeletedLinks(final UriInfoResource uriInfo) throws ODataApplicationException {
  final List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  return dataProvider.readDeletedLinks(((UriResourceEntitySet) resourcePaths.get(0)).getEntitySet());
}
 

protected List<DeltaLink> readAddedLinks(final UriInfoResource uriInfo) throws ODataApplicationException {
  final List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  return dataProvider.readAddedLinks(((UriResourceEntitySet) resourcePaths.get(0)).getEntitySet());
}
 

protected List<DeletedEntity> readDeletedEntities(final UriInfoResource uriInfo) throws ODataApplicationException {
  final List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  return dataProvider.readDeletedEntities(((UriResourceEntitySet) resourcePaths.get(0)).getEntitySet());
}
 

private void updateProperty(final ODataRequest request, ODataResponse response, final UriInfo uriInfo,
    final ContentType requestFormat, final ContentType responseFormat, final RepresentationType representationType)
    throws ODataApplicationException, ODataLibraryException {
  final UriInfoResource resource = uriInfo.asUriInfoResource();
  validatePath(resource);
  final EdmEntitySet edmEntitySet = getEdmEntitySet(resource);

  Entity entity = readEntity(uriInfo);
  odata.createETagHelper().checkChangePreconditions(entity.getETag(),
      request.getHeaders(HttpHeader.IF_MATCH),
      request.getHeaders(HttpHeader.IF_NONE_MATCH));

  final List<UriResource> resourceParts = resource.getUriResourceParts();
  final int trailing = representationType == RepresentationType.VALUE ? 1 : 0;
  final List<String> path = getPropertyPath(resourceParts, trailing);
  final EdmProperty edmProperty = ((UriResourceProperty) resourceParts.get(resourceParts.size() - trailing - 1))
      .getProperty();

  Property property = getPropertyData(entity, path);

  if (representationType == RepresentationType.VALUE || 
  		edmProperty.getType().getFullQualifiedName()
  		.getFullQualifiedNameAsString().equalsIgnoreCase(EDMSTREAM)) {
    final FixedFormatDeserializer deserializer = odata.createFixedFormatDeserializer();
    final Object value = edmProperty.getType() == odata.createPrimitiveTypeInstance(EdmPrimitiveTypeKind.Binary) 
  		  || edmProperty.getType() == odata.createPrimitiveTypeInstance(EdmPrimitiveTypeKind.Stream) ?
        deserializer.binary(request.getBody()) :
        deserializer.primitiveValue(request.getBody(), edmProperty);
    dataProvider.updatePropertyValue(property, value);
  } else {
    final Property changedProperty = odata.createDeserializer(requestFormat)
        .property(request.getBody(), edmProperty).getProperty();
    if (changedProperty.isNull() && !edmProperty.isNullable()) {
      throw new ODataApplicationException("Not nullable.", HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ROOT);
    }
    dataProvider.updateProperty(edmProperty, property, changedProperty, request.getMethod() == HttpMethod.PATCH);
  }

  dataProvider.updateETag(entity);

  final Return returnPreference = odata.createPreferences(request.getHeaders(HttpHeader.PREFER)).getReturn();
  if (returnPreference == null || returnPreference == Return.REPRESENTATION) {
    response.setStatusCode(HttpStatusCode.OK.getStatusCode());
    if (representationType == RepresentationType.VALUE || 
      		edmProperty.getType().getFullQualifiedName()
        		.getFullQualifiedNameAsString().equalsIgnoreCase(EDMSTREAM)) {
      response.setContent(
          serializePrimitiveValue(property, edmProperty, (EdmPrimitiveType) edmProperty.getType(), null));
    } else {
      final SerializerResult result = serializeProperty(entity, edmEntitySet, path, property, edmProperty,
          edmProperty.getType(), null, representationType, responseFormat, null, null);
      response.setContent(result.getContent());
    }
    if (edmProperty.getType().getFullQualifiedName()
      		.getFullQualifiedNameAsString().equalsIgnoreCase(EDMSTREAM)) {
    	  response.setHeader(HttpHeader.CONTENT_TYPE, requestFormat.toContentTypeString());
      } else {
    	  response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
      }
  } else {
    response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
  }
  if (returnPreference != null) {
    response.setHeader(HttpHeader.PREFERENCE_APPLIED,
        PreferencesApplied.with().returnRepresentation(returnPreference).build().toValueString());
  }
  if (entity.getETag() != null) {
    response.setHeader(HttpHeader.ETAG, entity.getETag());
  }
}
 

private void readProperty(final ODataRequest request, ODataResponse response, final UriInfo uriInfo,
    final ContentType contentType, final RepresentationType representationType)
        throws ODataApplicationException, ODataLibraryException {
  final UriInfoResource resource = uriInfo.asUriInfoResource();
  validateOptions(resource);
  validatePath(resource);
  final EdmEntitySet edmEntitySet = getEdmEntitySet(resource);

  final List<UriResource> resourceParts = resource.getUriResourceParts();
  final int trailing =
      representationType == RepresentationType.COUNT || representationType == RepresentationType.VALUE ? 1 : 0;
  final List<String> path = getPropertyPath(resourceParts, trailing);

  final Entity entity = readEntity(uriInfo);

  if (entity != null && entity.getETag() != null) {
    if (odata.createETagHelper().checkReadPreconditions(entity.getETag(),
        request.getHeaders(HttpHeader.IF_MATCH),
        request.getHeaders(HttpHeader.IF_NONE_MATCH))) {
      response.setStatusCode(HttpStatusCode.NOT_MODIFIED.getStatusCode());
      response.setHeader(HttpHeader.ETAG, entity.getETag());
      return;
    }
  }

  final Property property = entity == null ?
      getPropertyData(
          dataProvider.readFunctionPrimitiveComplex(((UriResourceFunction) resourceParts.get(0)).getFunction(),
          ((UriResourceFunction) resourceParts.get(0)).getParameters(), resource), path) :
      getData(entity, path, resourceParts, resource);

  // TODO: implement filter on collection properties (on a shallow copy of the values)
  // FilterHandler.applyFilterSystemQuery(uriInfo.getFilterOption(), property, uriInfo, serviceMetadata.getEdm());

  if (property == null && representationType != RepresentationType.COUNT) {
    if (representationType == RepresentationType.VALUE) {
      response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
    } else {
      throw new ODataApplicationException("Nothing found.", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ROOT);
    }
  } else {
    if (property.getValue() == null && representationType != RepresentationType.COUNT) {
      response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
    } else {
      response.setStatusCode(HttpStatusCode.OK.getStatusCode());
      if (representationType == RepresentationType.COUNT) {
        response.setContent(odata.createFixedFormatSerializer().count(
            property.asCollection().size()));
      } else {
        final EdmProperty edmProperty = path.isEmpty() ? null :
            ((UriResourceProperty) resourceParts.get(resourceParts.size() - trailing - 1)).getProperty();
        EdmType type = null;
        if (resourceParts.get(resourceParts.size() - trailing - 1) 
           instanceof UriResourceComplexProperty &&
            ((UriResourceComplexProperty)resourceParts.get(resourceParts.size() - trailing - 1)).
            getComplexTypeFilter() != null) {
          type = ((UriResourceComplexProperty)resourceParts.get(resourceParts.size() - trailing - 1)).
              getComplexTypeFilter();
        }else if(resourceParts.get(resourceParts.size() - trailing - 1) 
           instanceof UriResourceFunction &&
            ((UriResourceFunction)resourceParts.get(resourceParts.size() - trailing - 1)).
            getFunction() != null){ 
          type = ((UriResourceFunction)resourceParts.get(resourceParts.size() - trailing - 1)).
              getType();
        }else {
          type = edmProperty == null ?
              ((UriResourceFunction) resourceParts.get(0)).getType() :
              edmProperty.getType();
        }
        final EdmReturnType returnType = resourceParts.get(0) instanceof UriResourceFunction ?
            ((UriResourceFunction) resourceParts.get(0)).getFunction().getReturnType() : 
              resourceParts.get(1) instanceof UriResourceFunction ? 
                  ((UriResourceFunction) resourceParts.get(1)).getFunction().getReturnType():null ;

        if (representationType == RepresentationType.VALUE) {
          response.setContent(serializePrimitiveValue(property, edmProperty, (EdmPrimitiveType) type, returnType));
        }else if(representationType == RepresentationType.PRIMITIVE && type.getFullQualifiedName()
            .getFullQualifiedNameAsString().equals(EDMSTREAM)){
          response.setContent(odata.createFixedFormatSerializer().binary(dataProvider.readStreamProperty(property)));
          response.setStatusCode(HttpStatusCode.OK.getStatusCode());
          response.setHeader(HttpHeader.CONTENT_TYPE, ((Link)property.getValue()).getType());
          if (entity.getMediaETag() != null) {
            response.setHeader(HttpHeader.ETAG, entity.getMediaETag());
          }
        }else {
          final ExpandOption expand = uriInfo.getExpandOption();
          final SelectOption select = uriInfo.getSelectOption();
          final SerializerResult result = serializeProperty(entity, edmEntitySet, path, property, edmProperty,
              type, returnType, representationType, contentType, expand, select);
          response.setContent(result.getContent());
        }
      }
      response.setHeader(HttpHeader.CONTENT_TYPE, contentType.toContentTypeString());
    }
    if (entity != null && entity.getETag() != null) {
      response.setHeader(HttpHeader.ETAG, entity.getETag());
    }
  }
}