/*
 * © Copyright IBM Corp. 2013
 * 
 * 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 com.ibm.sbt.services.client.base.datahandlers;

import static com.ibm.sbt.services.client.base.ConnectionsConstants.nameSpaceCtx;

import java.util.ArrayList;
import java.util.List;

import org.w3c.dom.Document;
import org.w3c.dom.Node;

import com.ibm.sbt.services.client.Response;
import com.ibm.sbt.services.client.base.AtomEntity;
import com.ibm.sbt.services.client.base.ConnectionsFeedXpath;
import com.ibm.sbt.services.client.base.IFeedHandler;

/**
 * @author Mario Duarte
 *
 */
public class AtomEntityList<T extends AtomEntity> extends EntityList<T> {
	
	private FieldEntry TotalResults = ConnectionsFeedXpath.TotalResults;
	private FieldEntry StartIndex = ConnectionsFeedXpath.StartIndex;
	private FieldEntry ItemsPerPage = ConnectionsFeedXpath.ItemsPerPage;
	private FieldEntry CurrentPage = ConnectionsFeedXpath.CurrentPage;

	public AtomEntityList() {
	}
	
	public AtomEntityList(Response requestData, IFeedHandler<T> feedHandler) {
		super(requestData, feedHandler);
	}
	
	@Override
	protected List<T> createEntities() {
		ArrayList<T> entries = new ArrayList<T>();
		List<Node> nodeEntries = getDataHandler().getEntries(ConnectionsFeedXpath.Entry);
		for (Node node: nodeEntries) {
			entries.add((T)super.getEntity(node));
		}
		return entries;
	}
	
	@Override
	public Document getData() {
		return (Document)super.getData();
	}

	protected XmlDataHandler getDataHandler() {
		return new XmlDataHandler(getData(), nameSpaceCtx);
	}
	
	@Override
	public int getTotalResults() {
		return getDataHandler().getAsInt(TotalResults);
	}

	@Override
	public int getStartIndex() {
		return getDataHandler().getAsInt(StartIndex);
	}

	@Override
	public int getItemsPerPage() {
		return getDataHandler().getAsInt(ItemsPerPage);
	}

	@Override
	public int getCurrentPage() {
		return getDataHandler().getAsInt(CurrentPage);
	}

	/**
	 * @param totalResults the totalResults to set
	 */
	public void setTotalResults(FieldEntry totalResults) {
		TotalResults = totalResults;
	}

	/**
	 * @param startIndex the startIndex to set
	 */
	public void setStartIndex(FieldEntry startIndex) {
		StartIndex = startIndex;
	}

	/**
	 * @param itemsPerPage the itemsPerPage to set
	 */
	public void setItemsPerPage(FieldEntry itemsPerPage) {
		ItemsPerPage = itemsPerPage;
	}

	/**
	 * @param currentPage the currentPage to set
	 */
	public void setCurrentPage(FieldEntry currentPage) {
		CurrentPage = currentPage;
	}
	
}