basefootertag.java

j2ee源码

/*
 * Created on 2005/11/19
 */
package com.leeman.common.web.ui.tags;

import java.util.HashMap;
import java.util.ArrayList;

import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.tagext.TagSupport;

import org.apache.struts.action.Action;
import org.apache.struts.util.MessageResources;
import com.leeman.wkexs.web.base.BaseConstants;

/**
 * @author Dennis
 */
public class BaseFooterTag  extends TagSupport{

	private String bundle;
	protected HashMap labelSet;
	private String langId;
	
	public void initLabels()
	{
		labelSet = new HashMap();

		//eng
		HashMap label_eng = new HashMap();
		label_eng.put("label.top", "To page top");
	
		labelSet.put("eng", label_eng);

		//cht
		HashMap label_cht = new HashMap();
		label_cht.put("label.top", "到頁頂");
	
		labelSet.put("cht", label_cht);

		//cht
		HashMap label_chs = new HashMap();
		label_cht.put("label.top", "到頁頂");

		labelSet.put("chs", label_chs);
	}

	protected String getLoacalizedText(String key)
	{
		HashMap labels = (HashMap)labelSet.get(langId);
		if (labels != null){
			return (String)labels.get(key);
		}
		else{
			return null;
		}
	}
	
	public int doEndTag() throws javax.servlet.jsp.JspException{
		try
		{
			initLabels();
			HttpServletRequest request =(HttpServletRequest)pageContext.getRequest();
			HttpSession session = request.getSession();
			
			if (bundle != null && !"".equals(bundle)){
				langId = bundle;
			}
			else{
				langId = (String)session.getAttribute(BaseConstants.SESSION_LANG_ID);
			}
			if (langId == null || "".equals(langId))
			{
				throw new javax.servlet.jsp.JspException("Error processing BaseFooterTag.doStartTag(): Invalid Language");
			}
			
			String contextPath = request.getContextPath() + "/";
			String imageDirPath = contextPath + "common/images/";
		
			StringBuffer shtml = new StringBuffer();
			shtml.append("<p><div id=\"pageFooter\">");
			shtml.append("<a name=\"#pageFooter\"></a>");
			shtml.append("<hr size=\"1\">");
			shtml.append("<table border=\"0\" cellspadding=\"0\" cellspacing=\"0\" width=\"100%\">");
			shtml.append("<tr><td>");
			shtml.append("<div id=\"pageFooter\">");
			shtml.append(session.getAttribute(BaseConstants.SESSION_COMPANY_NAME));
			shtml.append("</div>");
			shtml.append("</td>");
			shtml.append("<td align=\"right\"><a href=\"#top\"><img src=\"" + imageDirPath + "base/to_top.gif\" border=\"0\" align=\"absmiddle\" alt=\"" + getLoacalizedText("label.top") + "\"></a>");
			shtml.append("</td></tr></table>");
						
			pageContext.getOut().println(shtml.toString());
			
		}catch (Exception e)
		{
			throw new javax.servlet.jsp.JspException("Error processing BaseFooterTag.doEndTag(): " + e.toString());
		}
		return EVAL_PAGE;
	}
	/**
	 * @return
	 */
	public String getBundle() {
		return bundle;
	}

	/**
	 * @param string
	 */
	public void setBundle(String string) {
		bundle = string;
	}
}