usernametag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.util;

import org.jahia.data.JahiaData;
import org.jahia.exceptions.JahiaException;
import org.jahia.utils.JahiaConsole;
import org.jahia.services.usermanager.JahiaUser;

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

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


/**
 * Class UsernameTag : returns the name of the current user
 *
 * @author  Jerome Tamiotti
 */
public class UsernameTag extends TagSupport {

    private int maxchar = 0;

    public void setMaxchar(int maxchar) {
        this.maxchar = maxchar;
    }

    public int doStartTag() {

		ServletRequest request = pageContext.getRequest();
		JahiaData jData = (JahiaData) request.getAttribute("org.jahia.data.JahiaData");
		if (jData == null) {
			HashMap tempEngineMap = (HashMap) request.getAttribute("org.jahia.engines.EngineHashMap");
			jData                 = (JahiaData) tempEngineMap.get("jData");
		}
		if (this.maxchar == 0) {
		    this.maxchar = jData.page().getTitle().length();
		}
		try {
			JahiaUser theUser = jData.params().getUser();
			JspWriter out = pageContext.getOut();
			out.print( jData.gui().glueTitle(theUser.getUsername(), this.maxchar) );

		} catch (IOException ioe) {
			JahiaConsole.println("UsernameTag: doStartTag ", ioe.toString());
		}
        return SKIP_BODY;
    }

}