/* * Copyright 2004-2009 the original author or authors. * * 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 org.compass.core.converter.basic; import org.compass.core.accessor.AccessorUtils; import org.compass.core.converter.ConversionException; import org.compass.core.mapping.ResourcePropertyMapping; import org.compass.core.mapping.osem.ClassPropertyMetaDataMapping; import org.compass.core.marshall.MarshallingContext; /** * @author kimchy */ public class EnumConverter extends AbstractBasicConverter { protected Object doFromString(String str, ResourcePropertyMapping resourcePropertyMapping, MarshallingContext context) throws ConversionException { ClassPropertyMetaDataMapping metaDataMapping = (ClassPropertyMetaDataMapping) resourcePropertyMapping; // if this is an EnumSet, get the collection parameter // TODO we can do better than check it every time, we should store it on the mapping level Class<? extends Enum> enumType = AccessorUtils.getCollectionParameter(metaDataMapping.getGetter()); // if it is not, just use the actual type and assume it is the actual enum if (enumType == null) { enumType = (Class<? extends Enum>) metaDataMapping.getGetter().getReturnType(); } return Enum.valueOf(enumType, str); } protected String doToString(Object o, ResourcePropertyMapping resourcePropertyMapping, MarshallingContext context) { return ((Enum) o).name(); } }