/*
* #%L
* BroadleafCommerce Open Admin Platform
* %%
* Copyright (C) 2009 - 2013 Broadleaf Commerce
* %%
* 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.
* #L%
*/
package org.broadleafcommerce.openadmin.server.service.persistence.module.provider;
import org.apache.commons.lang.ArrayUtils;
import org.broadleafcommerce.openadmin.dto.Property;
import org.broadleafcommerce.openadmin.server.dao.FieldInfo;
import org.broadleafcommerce.openadmin.server.service.persistence.PersistenceManager;
import org.broadleafcommerce.openadmin.server.service.persistence.module.FieldManager;
import javax.persistence.ManyToMany;
import javax.persistence.OneToMany;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;
/**
* @author Jeff Fischer
*/
public abstract class AbstractFieldPersistenceProvider implements FieldPersistenceProvider {
protected Class<?> getListFieldType(Serializable instance, FieldManager fieldManager, Property property, PersistenceManager persistenceManager) {
Class<?> returnType = null;
Field field = fieldManager.getField(instance.getClass(), property.getName());
java.lang.reflect.Type type = field.getGenericType();
if (type instanceof ParameterizedType) {
ParameterizedType pType = (ParameterizedType) type;
Class<?> clazz = (Class<?>) pType.getActualTypeArguments()[0];
Class<?>[] entities = persistenceManager.getDynamicEntityDao().getAllPolymorphicEntitiesFromCeiling(clazz);
if (!ArrayUtils.isEmpty(entities)) {
returnType = entities[entities.length-1];
}
}
return returnType;
}
protected Class<?> getMapFieldType(Serializable instance, FieldManager fieldManager, Property property, PersistenceManager persistenceManager) {
Class<?> returnType = null;
Field field = fieldManager.getField(instance.getClass(), property.getName().substring(0, property.getName().indexOf(FieldManager.MAPFIELDSEPARATOR)));
java.lang.reflect.Type type = field.getGenericType();
if (type instanceof ParameterizedType) {
ParameterizedType pType = (ParameterizedType) type;
Class<?> clazz = (Class<?>) pType.getActualTypeArguments()[1];
Class<?>[] entities = persistenceManager.getDynamicEntityDao().getAllPolymorphicEntitiesFromCeiling(clazz);
if (!ArrayUtils.isEmpty(entities)) {
returnType = entities[entities.length-1];
}
}
return returnType;
}
protected FieldInfo buildFieldInfo(Field field) {
FieldInfo info = new FieldInfo();
info.setName(field.getName());
info.setGenericType(field.getGenericType());
ManyToMany manyToMany = field.getAnnotation(ManyToMany.class);
if (manyToMany != null) {
info.setManyToManyMappedBy(manyToMany.mappedBy());
info.setManyToManyTargetEntity(manyToMany.targetEntity().getName());
}
OneToMany oneToMany = field.getAnnotation(OneToMany.class);
if (oneToMany != null) {
info.setOneToManyMappedBy(oneToMany.mappedBy());
info.setOneToManyTargetEntity(oneToMany.targetEntity().getName());
}
return info;
}
}