1 /* 2 * The SmartWeb Framework 3 * Copyright (C) 2004-2006 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * 19 * For further informations on the SmartWeb Framework please visit 20 * 21 * http://smartweb.sourceforge.net 22 */ 23 24 package net.smartlab.web.page; 25 26 import javax.servlet.jsp.JspException; 27 28 /** 29 * Outputs its body only if the current page is not the first one. 30 * 31 * @author rlogiacco 32 * @jsp.tag name="prev" description="outputs its body only if the current page 33 * is not the first one" body-content="JSP" 34 */ 35 public class PrevTag extends PageTag { 36 37 /** 38 * @see javax.servlet.jsp.tagext.Tag#doStartTag() 39 */ 40 public int doStartTag() throws JspException { 41 if (super.getPaginator().getPrev() != -1) { 42 return EVAL_BODY_INCLUDE; 43 } 44 return SKIP_BODY; 45 } 46 47 /** 48 * @see net.smartlab.web.page.LinkableTag#getPage() 49 */ 50 public int getPage() { 51 return super.getPaginator().getPrev(); 52 } 53 }