/**
* Copyright 2008 biaoping.yin
*
* 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.frameworkset.common.tag.pager.tags;
import java.io.IOException;
import java.io.OutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import com.frameworkset.platform.cms.driver.jsp.CMSServletRequest;
/**
* <p>PageSizeTag.java</p>
* <p> Description: 获取页面记录数</p>
* <p> bboss workgroup </p>
* <p> Copyright (c) 2009 </p>
*
* @Date 2011-8-8
* @author biaoping.yin
* @version 1.0
*/
public class PageSizeTag extends PagerTagSupport
{
public int doStartTag(){
try
{
super.doStartTag();
HttpServletRequest request = this.getHttpServletRequest();
if(this.pagerContext == null)
{
String t_id = "pagerContext." ;
if(request instanceof CMSServletRequest)
{
CMSServletRequest cmsRequest = (CMSServletRequest)request;
t_id += cmsRequest.getContext().getID() ;
}
else if(this.id != null)
{
t_id += id;
}
else
t_id += PagerContext.DEFAULT_ID;
this.pagerContext = (PagerContext)request.getAttribute(t_id);
}
JspWriter out = this.getJspWriter();
out.print(super.pagerContext.getDataSize());
}
catch (JspException e1)
{
e1.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
return SKIP_BODY;
}
/**
* Description:
* @return String
* @see com.frameworkset.common.tag.BaseTag#generateContent()
*/
public String generateContent()
{
return null;
}
/**
* Description:
* @param output
* @see com.frameworkset.common.tag.BaseTag#write(java.io.OutputStream)
*/
public void write(OutputStream output)
{
}
@Override
public void doFinally() {
this.pagerContext = null;
super.doFinally();
}
}