/**
* Copyright (C) 2011 JTalks.org Team
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jtalks.jcommune.web.tags;
import org.springframework.web.servlet.tags.Param;
import org.springframework.web.servlet.tags.UrlTag;
import javax.servlet.jsp.JspException;
import java.util.Map;
/**
* JSP tag for creating URLs to the specified page in the pagination control.
* Modeled after the JSTL spring:url tag with backwards
* compatibility in mind. Also has two additional attributes - "page" to specify page and
* "params" to get the parameters for the link directly from map rather than use multiple
* spring:param tags.
* @author Andrei Alikov
*/
public class PaginationLinkUrl extends UrlTag {
private Map<String, String> params;
private String page;
private static final String PAGE_PARAM = "page";
/** {@inheritDoc} */
@Override
public int doEndTag() throws JspException {
if (params != null) {
for (Map.Entry<String, String> entry : params.entrySet()) {
Param param = new Param();
param.setName(entry.getKey());
param.setValue(entry.getValue());
addParam(param);
}
}
if (page != null) {
Param param = new Param();
param.setName(PAGE_PARAM);
param.setValue(page);
addParam(param);
}
return super.doEndTag();
}
/**
* Sets the parameters for the link
* @param params Map containing: key - parameter name and value - parameter value
*/
public void setParams(Map<String, String> params) {
this.params = params;
}
/**
* Set the page parameter for the url
* @param value value of the page parameter
*/
public void setPage(String value) {
this.page = value;
}
}