showusername.java

一个实用工具类

/*
 * Copyright (C) butor.com. All rights reserved.
 *
 * This software is published under the terms of the GNU Library General
 * Public License (GNU LGPL), a copy of which has been included with this
 * distribution in the LICENSE.txt file. 
 */
package org.butor.web.taglib.utils;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

import org.apache.struts.util.ResponseUtils;
import org.butor.profile.IProfile;
import org.butor.web.context.IWebContext;
import org.butor.web.context.WebContextService;

/**
 * @author sawanai
 *
 * show logged username
 */
public class ShowUsername extends TagSupport {


	/**
	 * @see javax.servlet.jsp.tagext.Tag#doStartTag()
	 */
	public int doStartTag() throws JspException {
		
		IWebContext ctxt = WebContextService.getContext();
		if (ctxt != null) {
			IProfile profile = ctxt.getProfile();
			if (profile != null) {
				ResponseUtils.write(pageContext, profile.getProperty("username"));
			}
		}

		return SKIP_BODY;
	}
}