I can't see anything wrong with your code. If you
want, you can download the source code from the book's
website at www.wiley.com/compbooks/goodwill
rc
--- Rama <[EMAIL PROTECTED]> wrote:
> Hi,
> I have been trying to implement Struts for a simple
> applicaiton.
> I am using WLS 6.1 and Struts 1.02.
>
>
> Application: User enters a stock symbol and clicks
> submit button in the index page.
> if the value is "SUNW" , it is success and value is
> displayed,
> else it is failure , user is forwarded to starting
> index page.
>
> Here is the following code
>
>
> index.jsp
> ....
> <%@ page language ="java" %>
> <%@ taglib uri="/WEB-inf/struts-html.tld"
> prefix="html" %>
> ....
> <html:form action="Lookup" name="lookupForm"
> type="LookupForm" >
> Symbol : <html:text property="symbol" />
> <html:submit />
> </html:form>
> .....
>
>
>
>
> LookupAction.java
> import java.io.*;
> import java.util.*;
> import javax.servlet.*;
> import javax.servlet.http.*;
> import org.apache.struts.action.*;
>
> public class LookupAction extends Action
> {
> protected Double getQuote(String symbol)
> {
> if (symbol.equalsIgnoreCase("SUNW") )
> {
> return new Double(25.00);
>
> }
> return null;
> }
>
> public ActionForward execute(ActionMapping mapping,
> ActionForm form,
> HttpServletRequest request,
> HttpServletResponse response) throws
> ServletException,IOException
> {
> Double price = null;
> // set default target to success
>
> String target = new String("success");
>
> if (form != null)
> {
> // use the LookupFoprm to get request parameters.
>
> LookupForm lookupForm = (LookupForm)form;
>
> String symbol = lookupForm.getSymbol();
>
> price = getQuote(symbol);
>
> }
> // set the target to failure
> if (price == null)
> {
> target = new String("failure");
>
> }
> else
> {
> request.setAttribute("PRICE", price);
> }
>
> // forward to the appropriate view
> return(mapping.findForward(target) );
>
> }
> }
>
>
>
> LookupForm.java
> import java.io.*;
> import java.util.*;
> import javax.servlet.*;
> import javax.servlet.http.*;
> import org.apache.struts.action.ActionForm;
> import org.apache.struts.action.ActionMapping;
>
> public class LookupForm extends ActionForm
> {
> private String symbol = null;
>
> public String getSymbol()
> {
> return (symbol);
> }
> public void setSymbol(String symbol)
> {
> this.symbol = symbol;
> }
>
> public void reset(ActionMapping mapping,
> HttpServletRequest request)
> {
> this.symbol=null;
> }
>
> }
>
>
>
>
> struts-config.xml
> <?xml version="1.0" encoding="ISO-8859-1" ?>
> <!DOCTYPE struts-config PUBLIC "-//Apache Software
> Foundation//DTD Struts Configuration 1.0//EN"
>
"http://jakarta.apache.org/struts/dtds/struts-config_1_0.dtd";>
> <struts-config>
>
> <form-beans>
> <form-bean name="lookupForm" type="LookupForm" />
> </form-beans>
> <action-mappings>
> <action path="/Lookup" type= "LookupAction"
> name="lookupForm" input="/index.jsp">
> <forward name="success" path="/quote.jsp" />
> <forward name="failure" path="/index.jsp" />
> </action>
> </action-mappings>
> </struts-config>
>
>
>
>
> This is the excerpt from web.xml
> <taglib>
> <taglib-uri>/WEB-INF/struts-html.tld</taglib-uri>
>
>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
> </taglib>
>
> <servlet>
> <servlet-name>action</servlet-name>
>
>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
> <init-param>
> <param-name>config</param-name>
>
>
<param-value>/WEB-INF/struts-config.xml</param-value>
> </init-param>
> <load-on-startup>1</load-on-startup>
> </servlet>
>
> <servlet-mapping>
> <servlet-name>action</servlet-name>
> <url-pattern>*.do</url-pattern>
> </servlet-mapping>
> quote.jsp
> .....
>
> Current Price : <%= request.getAttribute("PRICE")
> %>
>
> .......
>
>
> When I entered the SUNW in the text box, I am
> forwarded to a blank page.
> I am not seeing any results... why???
>
> Please anyone let me know what I am missing?
> Any ideas are really appreciated
> Thanks in Advance
> Rama
>
>
>
__________________________________________________
Do you Yahoo!?
Yahoo! Tax Center - forms, calculators, tips, more
http://taxes.yahoo.com/
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
