getbookcom.java

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package com.wang.tags;

import javax.servlet.jsp.tagext.BodyTagSupport;
import javax.servlet.jsp.JspWriter;
import java.io.IOException;
import javax.servlet.jsp.tagext.BodyContent;
import com.wang.db.AdminDB;

public class GetBookCom extends BodyTagSupport
{
    JspWriter out = null;
     public int doAfterBody() {
         BodyContent body = getBodyContent();
         String content = body.getString();
         out = body.getEnclosingWriter();
         AdminDB db = new AdminDB();
         int bookId=Integer.parseInt(content);
         String name=db.getBookBean(bookId).getBookCompany();
         db.Close();
         try {
           out.print(name);
         } catch (IOException e) {
             e.printStackTrace();
         }
         return (SKIP_BODY);
    }
}