/*******************************************************************************
* Copyright 2013 butor.com
*
* 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.butor.json.service;
import java.util.List;
import org.butor.utils.Message;
import org.butor.utils.Message.MessageType;
import com.google.common.base.Preconditions;
public class ResponseHandlerHelper {
/**
* Use this method to send list to your ResponseHandler
* @param list
* @param handler
*/
public static <T> void addList(List<T> list, ResponseHandler<Object> handler) {
Preconditions.checkNotNull(handler, "ResponseHandler should not be null");
Preconditions.checkNotNull(list, "List should not be null");
Message msg = new Message("totalRows", MessageType.DATA, Integer.toString(list.size()));
handler.addMessage(msg);
for (Object o : list) {
if (!handler.addRow(o))
break;
}
}
}