/******************************************************************************* * 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.api.processor; import java.io.InputStream; import java.util.Collections; import java.util.List; import org.apache.olingo.odata2.api.ODataServiceVersion; import org.apache.olingo.odata2.api.batch.BatchHandler; import org.apache.olingo.odata2.api.batch.BatchResponsePart; import org.apache.olingo.odata2.api.commons.HttpStatusCodes; import org.apache.olingo.odata2.api.commons.ODataHttpHeaders; import org.apache.olingo.odata2.api.edm.Edm; import org.apache.olingo.odata2.api.edm.EdmServiceMetadata; import org.apache.olingo.odata2.api.ep.EntityProvider; import org.apache.olingo.odata2.api.exception.ODataException; import org.apache.olingo.odata2.api.exception.ODataNotImplementedException; import org.apache.olingo.odata2.api.processor.feature.CustomContentType; 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.api.uri.info.DeleteUriInfo; import org.apache.olingo.odata2.api.uri.info.GetComplexPropertyUriInfo; import org.apache.olingo.odata2.api.uri.info.GetEntityCountUriInfo; import org.apache.olingo.odata2.api.uri.info.GetEntityLinkCountUriInfo; import org.apache.olingo.odata2.api.uri.info.GetEntityLinkUriInfo; import org.apache.olingo.odata2.api.uri.info.GetEntitySetCountUriInfo; import org.apache.olingo.odata2.api.uri.info.GetEntitySetLinksCountUriInfo; import org.apache.olingo.odata2.api.uri.info.GetEntitySetLinksUriInfo; import org.apache.olingo.odata2.api.uri.info.GetEntitySetUriInfo; import org.apache.olingo.odata2.api.uri.info.GetEntityUriInfo; import org.apache.olingo.odata2.api.uri.info.GetFunctionImportUriInfo; import org.apache.olingo.odata2.api.uri.info.GetMediaResourceUriInfo; import org.apache.olingo.odata2.api.uri.info.GetMetadataUriInfo; import org.apache.olingo.odata2.api.uri.info.GetServiceDocumentUriInfo; import org.apache.olingo.odata2.api.uri.info.GetSimplePropertyUriInfo; import org.apache.olingo.odata2.api.uri.info.PostUriInfo; import org.apache.olingo.odata2.api.uri.info.PutMergePatchUriInfo; /** * <p>A default {@link ODataProcessor} that implements all processor features in a single class.</p> * <p>It is recommended to derive from this class and it is required by the * {@link org.apache.olingo.odata2.api.ODataServiceFactory} to build an * {@link org.apache.olingo.odata2.api.ODataService}.</p> * <p>This abstract class provides a default behavior, returning the correct response * for requests for the service or the metadata document, respectively, and throwing an * {@link ODataNotImplementedException} for all other requests. * Sub classes have to override only methods they want to support.</p> * * */ public abstract class ODataSingleProcessor implements MetadataProcessor, ServiceDocumentProcessor, EntityProcessor, EntitySetProcessor, EntityComplexPropertyProcessor, EntityLinkProcessor, EntityLinksProcessor, EntityMediaProcessor, EntitySimplePropertyProcessor, EntitySimplePropertyValueProcessor, FunctionImportProcessor, FunctionImportValueProcessor, BatchProcessor, CustomContentType { /** * A request context object usually injected by the OData library. */ private ODataContext context; /** * @see ODataProcessor */ @Override public void setContext(final ODataContext context) { this.context = context; } /** * @see ODataProcessor */ @Override public ODataContext getContext() { return context; } /** * @see BatchProcessor */ @Override public ODataResponse executeBatch(final BatchHandler handler, final String contentType, final InputStream content) throws ODataException { throw new ODataNotImplementedException(); } /** * @throws ODataNotImplementedException * @see BatchProcessor */ @Override public BatchResponsePart executeChangeSet(final BatchHandler handler, final List<ODataRequest> requests) throws ODataException { throw new ODataNotImplementedException(); } /** * @see FunctionImportProcessor */ @Override public ODataResponse executeFunctionImport(final GetFunctionImportUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see FunctionImportValueProcessor */ @Override public ODataResponse executeFunctionImportValue(final GetFunctionImportUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntitySimplePropertyValueProcessor */ @Override public ODataResponse readEntitySimplePropertyValue(final GetSimplePropertyUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntitySimplePropertyValueProcessor */ @Override public ODataResponse updateEntitySimplePropertyValue(final PutMergePatchUriInfo uriInfo, final InputStream content, final String requestContentType, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntitySimplePropertyValueProcessor */ @Override public ODataResponse deleteEntitySimplePropertyValue(final DeleteUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntitySimplePropertyProcessor */ @Override public ODataResponse readEntitySimpleProperty(final GetSimplePropertyUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntitySimplePropertyProcessor */ @Override public ODataResponse updateEntitySimpleProperty(final PutMergePatchUriInfo uriInfo, final InputStream content, final String requestContentType, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityMediaProcessor */ @Override public ODataResponse readEntityMedia(final GetMediaResourceUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityMediaProcessor */ @Override public ODataResponse updateEntityMedia(final PutMergePatchUriInfo uriInfo, final InputStream content, final String requestContentType, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityMediaProcessor */ @Override public ODataResponse deleteEntityMedia(final DeleteUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityLinksProcessor */ @Override public ODataResponse readEntityLinks(final GetEntitySetLinksUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityLinksProcessor */ @Override public ODataResponse countEntityLinks(final GetEntitySetLinksCountUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityLinkProcessor */ @Override public ODataResponse createEntityLink(final PostUriInfo uriInfo, final InputStream content, final String requestContentType, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityLinkProcessor */ @Override public ODataResponse readEntityLink(final GetEntityLinkUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityLinkProcessor */ @Override public ODataResponse existsEntityLink(final GetEntityLinkCountUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityLinkProcessor */ @Override public ODataResponse updateEntityLink(final PutMergePatchUriInfo uriInfo, final InputStream content, final String requestContentType, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityLinkProcessor */ @Override public ODataResponse deleteEntityLink(final DeleteUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityComplexPropertyProcessor */ @Override public ODataResponse readEntityComplexProperty(final GetComplexPropertyUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityComplexPropertyProcessor */ @Override public ODataResponse updateEntityComplexProperty(final PutMergePatchUriInfo uriInfo, final InputStream content, final String requestContentType, final boolean merge, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntitySetProcessor */ @Override public ODataResponse readEntitySet(final GetEntitySetUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntitySetProcessor */ @Override public ODataResponse countEntitySet(final GetEntitySetCountUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntitySetProcessor */ @Override public ODataResponse createEntity(final PostUriInfo uriInfo, final InputStream content, final String requestContentType, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityProcessor */ @Override public ODataResponse readEntity(final GetEntityUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityProcessor */ @Override public ODataResponse existsEntity(final GetEntityCountUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityProcessor */ @Override public ODataResponse updateEntity(final PutMergePatchUriInfo uriInfo, final InputStream content, final String requestContentType, final boolean merge, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see EntityProcessor */ @Override public ODataResponse deleteEntity(final DeleteUriInfo uriInfo, final String contentType) throws ODataException { throw new ODataNotImplementedException(); } /** * @see ServiceDocumentProcessor */ @Override public ODataResponse readServiceDocument(final GetServiceDocumentUriInfo uriInfo, final String contentType) throws ODataException { final Edm edm = getContext().getService().getEntityDataModel(); //Service Document has version 1.0 specifically if (getContext().getHttpMethod().equals("HEAD")) { return ODataResponse.header(ODataHttpHeaders.DATASERVICEVERSION, ODataServiceVersion.V10).build(); } else { final String serviceRoot = getContext().getPathInfo().getServiceRoot().toASCIIString(); final ODataResponse response = EntityProvider.writeServiceDocument(contentType, edm, serviceRoot); return ODataResponse.fromResponse(response) .header(ODataHttpHeaders.DATASERVICEVERSION, ODataServiceVersion.V10).build(); } } /** * @see MetadataProcessor */ @Override public ODataResponse readMetadata(final GetMetadataUriInfo uriInfo, final String contentType) throws ODataException { final EdmServiceMetadata edmServiceMetadata = getContext().getService().getEntityDataModel().getServiceMetadata(); return ODataResponse.status(HttpStatusCodes.OK) .header(ODataHttpHeaders.DATASERVICEVERSION, edmServiceMetadata.getDataServiceVersion()) .entity(edmServiceMetadata.getMetadata()).build(); } /** * @see CustomContentType */ @Override public List<String> getCustomContentTypes(final Class<? extends ODataProcessor> processorFeature) throws ODataException { return Collections.emptyList(); } }