/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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.keycloak.connections.mongo.impl.types;
import com.mongodb.BasicDBList;
import org.keycloak.connections.mongo.api.types.Mapper;
import org.keycloak.connections.mongo.api.types.MapperContext;
import org.keycloak.connections.mongo.api.types.MapperRegistry;
import java.util.ArrayList;
import java.util.List;
/**
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class BasicDBListMapper implements Mapper<BasicDBList, List> {
private final MapperRegistry mapperRegistry;
public BasicDBListMapper(MapperRegistry mapperRegistry) {
this.mapperRegistry = mapperRegistry;
}
@Override
public List convertObject(MapperContext<BasicDBList, List> context) {
BasicDBList dbList = context.getObjectToConvert();
ArrayList<Object> appObjects = new ArrayList<Object>();
Class<?> expectedListElementType = (Class<?>) context.getGenericTypes().get(0);
for (Object dbObject : dbList) {
MapperContext<Object, Object> newContext = new MapperContext<Object, Object>(dbObject, expectedListElementType, null);
appObjects.add(mapperRegistry.convertDBObjectToApplicationObject(newContext));
}
return appObjects;
}
@Override
public Class<? extends BasicDBList> getTypeOfObjectToConvert() {
return BasicDBList.class;
}
@Override
public Class<List> getExpectedReturnType() {
return List.class;
}
}