| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| ******************************************************************************/ |
| package org.apache.olingo.odata2.core; |
| |
| import java.io.InputStream; |
| |
| import org.apache.olingo.odata2.api.ODataService; |
| import org.apache.olingo.odata2.api.ODataServiceFactory; |
| import org.apache.olingo.odata2.api.batch.BatchHandler; |
| import org.apache.olingo.odata2.api.commons.ODataHttpMethod; |
| import org.apache.olingo.odata2.api.exception.ODataBadRequestException; |
| import org.apache.olingo.odata2.api.exception.ODataException; |
| import org.apache.olingo.odata2.api.exception.ODataMethodNotAllowedException; |
| import org.apache.olingo.odata2.api.processor.ODataProcessor; |
| import org.apache.olingo.odata2.api.processor.ODataResponse; |
| import org.apache.olingo.odata2.api.processor.part.BatchProcessor; |
| import org.apache.olingo.odata2.api.processor.part.EntityComplexPropertyProcessor; |
| import org.apache.olingo.odata2.api.processor.part.EntityLinkProcessor; |
| import org.apache.olingo.odata2.api.processor.part.EntityLinksProcessor; |
| import org.apache.olingo.odata2.api.processor.part.EntityMediaProcessor; |
| import org.apache.olingo.odata2.api.processor.part.EntityProcessor; |
| import org.apache.olingo.odata2.api.processor.part.EntitySetProcessor; |
| import org.apache.olingo.odata2.api.processor.part.EntitySimplePropertyProcessor; |
| import org.apache.olingo.odata2.api.processor.part.EntitySimplePropertyValueProcessor; |
| import org.apache.olingo.odata2.api.processor.part.FunctionImportProcessor; |
| import org.apache.olingo.odata2.api.processor.part.FunctionImportValueProcessor; |
| import org.apache.olingo.odata2.api.processor.part.MetadataProcessor; |
| import org.apache.olingo.odata2.api.processor.part.ServiceDocumentProcessor; |
| import org.apache.olingo.odata2.core.batch.BatchHandlerImpl; |
| import org.apache.olingo.odata2.core.exception.ODataRuntimeException; |
| import org.apache.olingo.odata2.core.uri.UriInfoImpl; |
| |
| /** |
| * Request dispatching according to URI type and HTTP method. |
| * |
| */ |
| public class Dispatcher { |
| |
| private final ODataService service; |
| private final ODataServiceFactory serviceFactory; |
| |
| public Dispatcher(final ODataServiceFactory serviceFactory, final ODataService service) { |
| this.service = service; |
| this.serviceFactory = serviceFactory; |
| } |
| |
| public ODataResponse dispatch(final ODataHttpMethod method, final UriInfoImpl uriInfo, final InputStream content, |
| final String requestContentType, final String contentType) throws ODataException { |
| switch (uriInfo.getUriType()) { |
| case URI0: |
| if (method == ODataHttpMethod.GET) { |
| return service.getServiceDocumentProcessor().readServiceDocument(uriInfo, contentType); |
| } else { |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI1: |
| case URI6B: |
| switch (method) { |
| case GET: |
| return service.getEntitySetProcessor().readEntitySet(uriInfo, contentType); |
| case POST: |
| return service.getEntitySetProcessor().createEntity(uriInfo, content, requestContentType, contentType); |
| default: |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI2: |
| switch (method) { |
| case GET: |
| return service.getEntityProcessor().readEntity(uriInfo, contentType); |
| case PUT: |
| return service.getEntityProcessor().updateEntity(uriInfo, content, requestContentType, false, contentType); |
| case PATCH: |
| case MERGE: |
| return service.getEntityProcessor().updateEntity(uriInfo, content, requestContentType, true, contentType); |
| case DELETE: |
| return service.getEntityProcessor().deleteEntity(uriInfo, contentType); |
| default: |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI3: |
| switch (method) { |
| case GET: |
| return service.getEntityComplexPropertyProcessor().readEntityComplexProperty(uriInfo, contentType); |
| case PUT: |
| return service.getEntityComplexPropertyProcessor().updateEntityComplexProperty(uriInfo, content, |
| requestContentType, false, contentType); |
| case PATCH: |
| case MERGE: |
| return service.getEntityComplexPropertyProcessor().updateEntityComplexProperty(uriInfo, content, |
| requestContentType, true, contentType); |
| default: |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI4: |
| case URI5: |
| switch (method) { |
| case GET: |
| if (uriInfo.isValue()) { |
| return service.getEntitySimplePropertyValueProcessor().readEntitySimplePropertyValue(uriInfo, contentType); |
| } else { |
| return service.getEntitySimplePropertyProcessor().readEntitySimpleProperty(uriInfo, contentType); |
| } |
| case PUT: |
| case PATCH: |
| case MERGE: |
| if (uriInfo.isValue()) { |
| return service.getEntitySimplePropertyValueProcessor().updateEntitySimplePropertyValue(uriInfo, content, |
| requestContentType, contentType); |
| } else { |
| return service.getEntitySimplePropertyProcessor().updateEntitySimpleProperty(uriInfo, content, |
| requestContentType, contentType); |
| } |
| case DELETE: |
| if (uriInfo.isValue()) { |
| return service.getEntitySimplePropertyValueProcessor().deleteEntitySimplePropertyValue(uriInfo, contentType); |
| } else { |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| default: |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI6A: |
| switch (method) { |
| case GET: |
| return service.getEntityProcessor().readEntity(uriInfo, contentType); |
| case PUT: |
| case PATCH: |
| case MERGE: |
| case DELETE: |
| throw new ODataBadRequestException(ODataBadRequestException.NOTSUPPORTED); |
| default: |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI7A: |
| switch (method) { |
| case GET: |
| return service.getEntityLinkProcessor().readEntityLink(uriInfo, contentType); |
| case PUT: |
| case PATCH: |
| case MERGE: |
| return service.getEntityLinkProcessor().updateEntityLink(uriInfo, content, requestContentType, contentType); |
| case DELETE: |
| return service.getEntityLinkProcessor().deleteEntityLink(uriInfo, contentType); |
| default: |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI7B: |
| switch (method) { |
| case GET: |
| return service.getEntityLinksProcessor().readEntityLinks(uriInfo, contentType); |
| case POST: |
| return service.getEntityLinksProcessor().createEntityLink(uriInfo, content, requestContentType, contentType); |
| default: |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI8: |
| if (method == ODataHttpMethod.GET) { |
| return service.getMetadataProcessor().readMetadata(uriInfo, contentType); |
| } else { |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI9: |
| if (method == ODataHttpMethod.POST) { |
| BatchHandler handler = new BatchHandlerImpl(serviceFactory, service); |
| return service.getBatchProcessor().executeBatch(handler, requestContentType, content); |
| } else { |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI10: |
| case URI11: |
| case URI12: |
| case URI13: |
| return service.getFunctionImportProcessor().executeFunctionImport(uriInfo, contentType); |
| |
| case URI14: |
| if (uriInfo.isValue()) { |
| return service.getFunctionImportValueProcessor().executeFunctionImportValue(uriInfo, contentType); |
| } else { |
| return service.getFunctionImportProcessor().executeFunctionImport(uriInfo, contentType); |
| } |
| |
| case URI15: |
| if (method == ODataHttpMethod.GET) { |
| return service.getEntitySetProcessor().countEntitySet(uriInfo, contentType); |
| } else { |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI16: |
| if (method == ODataHttpMethod.GET) { |
| return service.getEntityProcessor().existsEntity(uriInfo, contentType); |
| } else { |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI17: |
| switch (method) { |
| case GET: |
| return service.getEntityMediaProcessor().readEntityMedia(uriInfo, contentType); |
| case PUT: |
| return service.getEntityMediaProcessor().updateEntityMedia(uriInfo, content, requestContentType, contentType); |
| case DELETE: |
| return service.getEntityMediaProcessor().deleteEntityMedia(uriInfo, contentType); |
| default: |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI50A: |
| if (method == ODataHttpMethod.GET) { |
| return service.getEntityLinkProcessor().existsEntityLink(uriInfo, contentType); |
| } else { |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| case URI50B: |
| if (method == ODataHttpMethod.GET) { |
| return service.getEntityLinksProcessor().countEntityLinks(uriInfo, contentType); |
| } else { |
| throw new ODataMethodNotAllowedException(ODataMethodNotAllowedException.DISPATCH); |
| } |
| |
| default: |
| throw new ODataRuntimeException("Unknown or not implemented URI type: " + uriInfo.getUriType()); |
| } |
| } |
| |
| protected static Class<? extends ODataProcessor> mapUriTypeToProcessorFeature(final UriInfoImpl uriInfo) { |
| Class<? extends ODataProcessor> feature; |
| |
| switch (uriInfo.getUriType()) { |
| case URI0: |
| feature = ServiceDocumentProcessor.class; |
| break; |
| case URI1: |
| case URI6B: |
| case URI15: |
| feature = EntitySetProcessor.class; |
| break; |
| case URI2: |
| case URI6A: |
| case URI16: |
| feature = EntityProcessor.class; |
| break; |
| case URI3: |
| feature = EntityComplexPropertyProcessor.class; |
| break; |
| case URI4: |
| case URI5: |
| feature = uriInfo.isValue() ? EntitySimplePropertyValueProcessor.class : EntitySimplePropertyProcessor.class; |
| break; |
| case URI7A: |
| case URI50A: |
| feature = EntityLinkProcessor.class; |
| break; |
| case URI7B: |
| case URI50B: |
| feature = EntityLinksProcessor.class; |
| break; |
| case URI8: |
| feature = MetadataProcessor.class; |
| break; |
| case URI9: |
| feature = BatchProcessor.class; |
| break; |
| case URI10: |
| case URI11: |
| case URI12: |
| case URI13: |
| feature = FunctionImportProcessor.class; |
| break; |
| case URI14: |
| feature = uriInfo.isValue() ? FunctionImportValueProcessor.class : FunctionImportProcessor.class; |
| break; |
| case URI17: |
| feature = EntityMediaProcessor.class; |
| break; |
| default: |
| throw new ODataRuntimeException("Unknown or not implemented URI type: " + uriInfo.getUriType()); |
| } |
| |
| return feature; |
| } |
| } |