clistpaginationtotalsizetag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.pagination;

import org.jahia.data.containers.JahiaContainerList;
import org.jahia.exceptions.JahiaException;
import org.jahia.taglibs.util.Utils;
import org.jahia.taglibs.container.ContainerListTag;
import org.jahia.utils.JahiaConsole;

import java.io.*;
import java.util.*;

import javax.servlet.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;


/**
 * Return the total number of containers of the enclosing container list.
 * This is the size returned by containerlist.getContainerList().getFullSize() , not containerlist.getSize() 
 *
 * @author  NK
 */
public class CListPaginationTotalSizeTag extends BodyTagSupport {

    public int doStartTag() {
        //JahiaConsole.println("CListpaginationTotalSizeTag: doStartTag", "Started");

        int size = 0;
        // gets the enclosing tag ContainerListTag
        ContainerListTag containerListTag = (ContainerListTag) findAncestorWithClass(this, ContainerListTag.class);
        if (containerListTag != null && !containerListTag.isDeclarationPass()) {
        	JahiaContainerList cList = containerListTag.getContainerList();
        	if ( cList != null )
        	{
        		size = cList.getFullSize();
            	//JahiaConsole.println("CListPaginationTotalSizeTag: doStartTag", "Full Size : " + size);
				try {
		            JspWriter out = pageContext.getOut();
		            out.print(size);
				} catch (IOException ioe) {
				    JahiaConsole.println("CListPaginationTotalSizeTag: doStartTag ",ioe.toString());
				}
            }
        }
        return SKIP_BODY;
    }

}