/*******************************************************************************
* Copyright 2013 SAP AG
*
* Licensed 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 com.sap.core.odata.core.processor;
import java.util.ArrayList;
import java.util.List;
import com.sap.core.odata.api.ODataService;
import com.sap.core.odata.api.ODataServiceVersion;
import com.sap.core.odata.api.commons.HttpContentType;
import com.sap.core.odata.api.edm.Edm;
import com.sap.core.odata.api.edm.provider.EdmProvider;
import com.sap.core.odata.api.exception.ODataException;
import com.sap.core.odata.api.exception.ODataNotImplementedException;
import com.sap.core.odata.api.processor.ODataProcessor;
import com.sap.core.odata.api.processor.ODataSingleProcessor;
import com.sap.core.odata.api.processor.feature.CustomContentType;
import com.sap.core.odata.api.processor.part.BatchProcessor;
import com.sap.core.odata.api.processor.part.EntityComplexPropertyProcessor;
import com.sap.core.odata.api.processor.part.EntityLinkProcessor;
import com.sap.core.odata.api.processor.part.EntityLinksProcessor;
import com.sap.core.odata.api.processor.part.EntityMediaProcessor;
import com.sap.core.odata.api.processor.part.EntityProcessor;
import com.sap.core.odata.api.processor.part.EntitySetProcessor;
import com.sap.core.odata.api.processor.part.EntitySimplePropertyProcessor;
import com.sap.core.odata.api.processor.part.EntitySimplePropertyValueProcessor;
import com.sap.core.odata.api.processor.part.FunctionImportProcessor;
import com.sap.core.odata.api.processor.part.FunctionImportValueProcessor;
import com.sap.core.odata.api.processor.part.MetadataProcessor;
import com.sap.core.odata.api.processor.part.ServiceDocumentProcessor;
import com.sap.core.odata.api.rt.RuntimeDelegate;
/**
* <p>An {@link ODataService} implementation that uses {@link ODataSingleProcessor}.</p>
* <p>Usually custom services create an instance by their implementation of
* {@link com.sap.core.odata.api.ODataServiceFactory} and populate it with their custom {@link EdmProvider}
* and custom {@link ODataSingleProcessor} implementations.</p>
*
* @author SAP AG
*/
public class ODataSingleProcessorService implements ODataService {
private final ODataSingleProcessor processor;
private final Edm edm;
/**
* Construct service
* @param provider A custom {@link EdmProvider}
* @param processor A custom {@link ODataSingleProcessor}
*/
public ODataSingleProcessorService(final EdmProvider provider, final ODataSingleProcessor processor) {
this.processor = processor;
edm = RuntimeDelegate.createEdm(provider);
}
/**
* @see ODataService
*/
@Override
public String getVersion() throws ODataException {
return ODataServiceVersion.V20;
}
/**
* @see ODataService
*/
@Override
public Edm getEntityDataModel() throws ODataException {
return edm;
}
/**
* @see ODataService
*/
@Override
public MetadataProcessor getMetadataProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public ServiceDocumentProcessor getServiceDocumentProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public EntityProcessor getEntityProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public EntitySetProcessor getEntitySetProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public EntityComplexPropertyProcessor getEntityComplexPropertyProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public EntityLinkProcessor getEntityLinkProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public EntityLinksProcessor getEntityLinksProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public EntityMediaProcessor getEntityMediaProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public EntitySimplePropertyProcessor getEntitySimplePropertyProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public EntitySimplePropertyValueProcessor getEntitySimplePropertyValueProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public FunctionImportProcessor getFunctionImportProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public FunctionImportValueProcessor getFunctionImportValueProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public BatchProcessor getBatchProcessor() throws ODataException {
return processor;
}
/**
* @see ODataService
*/
@Override
public ODataProcessor getProcessor() throws ODataException {
return processor;
}
@Override
public List<String> getSupportedContentTypes(final Class<? extends ODataProcessor> processorFeature) throws ODataException {
List<String> result = new ArrayList<String>();
if (processor instanceof CustomContentType) {
result.addAll(((CustomContentType) processor).getCustomContentTypes(processorFeature));
}
if (processorFeature == BatchProcessor.class) {
//set wildcard for now to ignore accept header completely, reasoning: there is only one representation for $batch
result.add(HttpContentType.WILDCARD);
} else if (processorFeature == EntityProcessor.class) {
result.add(HttpContentType.APPLICATION_ATOM_XML_ENTRY_UTF8);
result.add(HttpContentType.APPLICATION_ATOM_XML_UTF8);
result.add(HttpContentType.APPLICATION_JSON_UTF8);
result.add(HttpContentType.APPLICATION_JSON_UTF8_VERBOSE);
result.add(HttpContentType.APPLICATION_XML_UTF8);
} else if (processorFeature == FunctionImportProcessor.class
|| processorFeature == EntityLinkProcessor.class
|| processorFeature == EntityLinksProcessor.class
|| processorFeature == EntitySimplePropertyProcessor.class
|| processorFeature == EntityComplexPropertyProcessor.class) {
result.add(HttpContentType.APPLICATION_XML_UTF8);
result.add(HttpContentType.APPLICATION_JSON_UTF8);
result.add(HttpContentType.APPLICATION_JSON_UTF8_VERBOSE);
} else if (processorFeature == EntityMediaProcessor.class
|| processorFeature == EntitySimplePropertyValueProcessor.class
|| processorFeature == FunctionImportValueProcessor.class) {
result.add(HttpContentType.WILDCARD);
} else if (processorFeature == EntitySetProcessor.class) {
result.add(HttpContentType.APPLICATION_ATOM_XML_FEED_UTF8);
result.add(HttpContentType.APPLICATION_ATOM_XML_UTF8);
result.add(HttpContentType.APPLICATION_JSON_UTF8);
result.add(HttpContentType.APPLICATION_JSON_UTF8_VERBOSE);
result.add(HttpContentType.APPLICATION_XML_UTF8);
} else if (processorFeature == MetadataProcessor.class) {
result.add(HttpContentType.APPLICATION_XML_UTF8);
} else if (processorFeature == ServiceDocumentProcessor.class) {
result.add(HttpContentType.APPLICATION_ATOM_SVC_UTF8);
result.add(HttpContentType.APPLICATION_JSON_UTF8);
result.add(HttpContentType.APPLICATION_JSON_UTF8_VERBOSE);
result.add(HttpContentType.APPLICATION_XML_UTF8);
} else {
throw new ODataNotImplementedException();
}
return result;
}
}