lookupaction.java

java项目开发书中源码

package com;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.LookupForm;

public final class LookupAction extends Action
{
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
    { 
        LookupForm lookupForm = (LookupForm) form;

	String bookName = lookupForm.getBookType();

        String target = new String("failure");

        if(bookName.equals("literature"))
        {
            target = new String("lit");
        }
        if(bookName.equals("novel"))
        {
            target = new String("nov");
        }
        if(bookName.equals("essay"))
        {
            target = new String("ess");
        }
        if(bookName.equals("poetry"))
        {
            target = new String("poe");
        }
        return(mapping.findForward(target)); 
    }
}