| /******************************************************************************* |
| * 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.annotation.processor.core.datasource; |
| |
| import org.apache.olingo.odata2.annotation.processor.core.util.AnnotationHelper; |
| import org.apache.olingo.odata2.api.edm.EdmMapping; |
| import org.apache.olingo.odata2.api.edm.EdmProperty; |
| import org.apache.olingo.odata2.api.exception.ODataException; |
| import org.apache.olingo.odata2.api.exception.ODataNotImplementedException; |
| |
| /** |
| * |
| */ |
| public class AnnotationValueAccess implements ValueAccess { |
| private final AnnotationHelper annotationHelper = new AnnotationHelper(); |
| |
| /** |
| * Retrieves the value of an EDM property for the given data object. |
| * @param data the Java data object |
| * @param property the requested {@link EdmProperty} |
| * @return the requested property value |
| */ |
| @Override |
| public <T> Object getPropertyValue(final T data, final EdmProperty property) throws ODataException { |
| if (data == null) { |
| return null; |
| } else if (annotationHelper.isEdmAnnotated(data)) { |
| return annotationHelper.getValueForProperty(data, property.getName()); |
| } |
| throw new ODataNotImplementedException(ODataNotImplementedException.COMMON); |
| } |
| |
| /** |
| * Sets the value of an EDM property for the given data object. |
| * @param data the Java data object |
| * @param property the {@link EdmProperty} |
| * @param value the new value of the property |
| */ |
| @Override |
| public <T, V> void setPropertyValue(final T data, final EdmProperty property, final V value) throws ODataException { |
| if (data != null) { |
| if (annotationHelper.isEdmAnnotated(data)) { |
| annotationHelper.setValueForProperty(data, property.getName(), value); |
| } else { |
| throw new ODataNotImplementedException(ODataNotImplementedException.COMMON); |
| } |
| } |
| } |
| |
| /** |
| * Retrieves the Java type of an EDM property for the given data object. |
| * @param data the Java data object |
| * @param property the requested {@link EdmProperty} |
| * @return the requested Java type |
| */ |
| @Override |
| public <T> Class<?> getPropertyType(final T data, final EdmProperty property) throws ODataException { |
| if (data == null) { |
| return null; |
| } else if (annotationHelper.isEdmAnnotated(data)) { |
| Class<?> fieldType = annotationHelper.getFieldTypeForProperty(data, property.getName()); |
| if (fieldType == null) { |
| throw new ODataException("No field type found for property " + property); |
| } |
| return fieldType; |
| } |
| throw new ODataNotImplementedException(ODataNotImplementedException.COMMON); |
| } |
| |
| /** |
| * Retrieves the value defined by a mapping object for the given data object. |
| * @param data the Java data object |
| * @param mapping the requested {@link EdmMapping} |
| * @return the requested value |
| */ |
| @Override |
| public <T> Object getMappingValue(final T data, final EdmMapping mapping) throws ODataException { |
| if (mapping != null && mapping.getMediaResourceMimeTypeKey() != null) { |
| return annotationHelper.getValueForProperty(data, mapping.getMediaResourceMimeTypeKey()); |
| } |
| return null; |
| } |
| |
| /** |
| * Sets the value defined by a mapping object for the given data object. |
| * @param data the Java data object |
| * @param mapping the {@link EdmMapping} |
| * @param value the new value |
| */ |
| @Override |
| public <T, V> void setMappingValue(final T data, final EdmMapping mapping, final V value) throws ODataException { |
| if (mapping != null && mapping.getMediaResourceMimeTypeKey() != null) { |
| annotationHelper.setValueForProperty(data, mapping.getMediaResourceMimeTypeKey(), value); |
| } |
| } |
| } |