PagerTagHelper.java

/*
 * Copyright 2015-Present Entando Inc. (http://www.entando.com) All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
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package org.entando.entando.plugins.jpfrontshortcut.apsadmin.tags.util;



import javax.servlet.ServletRequest;



import com.agiletec.aps.system.ApsSystemUtils;

import com.agiletec.apsadmin.tags.util.AdminPagerTagHelper;

import org.entando.entando.plugins.jpfrontshortcut.apsadmin.util.ApsAjaxActionParamsUtil;



/**

 * Helper class for the pager for administration interface.

 * @author E.Santoboni

 */

public class PagerTagHelper extends AdminPagerTagHelper {

	

	@Override

	protected int getItemNumber(String pagerId, ServletRequest request) {

		String stringItem = null;

		String marker = (null != pagerId && pagerId.trim().length() > 0) ? pagerId : "pagerItem"; 

		String[] params = ApsAjaxActionParamsUtil.getApsParams(marker, "_", request);

		if (params != null && params.length == 2) {

			stringItem = params[1];

		} else {

			stringItem = request.getParameter(marker);

		}

		int item = 0;

		if (stringItem != null) {

			try {

				item = Integer.parseInt(stringItem);

			} catch (NumberFormatException e) {

				ApsSystemUtils.getLogger().error("Errore in parsing stringItem " + stringItem);

			}

		}

		return item;

	}

	

}