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From "Marco Tedone" <mted...@jemos.org>
Subject Re: Validation Problem
Date Sun, 08 Jun 2003 21:37:23 GMT
Why don't you use <html:text>?

Marco
----- Original Message ----- 
From: "Thomas Miskiewicz" <thomas.miskiewicz@web.de>
To: "Struts Users Mailing List" <struts-user@jakarta.apache.org>
Sent: Sunday, June 08, 2003 9:47 PM
Subject: Validation Problem


> Hi!
>
> I now have a strange validation problem. I use this ActionForm class:
>
> package com.mycompany;
>
> import org.apache.struts.action.Action;
> import org.apache.struts.action.ActionMapping;
> import org.apache.struts.action.ActionForm;
> import org.apache.struts.action.ActionForward;
> import org.apache.struts.action.ActionErrors;
> import org.apache.struts.action.ActionError;
> import org.apache.struts.action.ActionServlet;
> import org.apache.struts.util.MessageResources;
>
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse;
> import javax.servlet.http.HttpSession;
>
> import java.lang.String;
>
> public class PostTestForm extends ActionForm
> {
>    private String field1 = "";
>    private String field2 = "";
>    private String field3 = "";
>
>    private void checkForEmpty(String fieldName, String fieldKey, String
> value,
>                               ActionErrors errors)
>    {
>     if (value.trim().length() == 0)
>     {
>      System.out.println(fieldName + value.trim().length());
>      ActionError error = new ActionError("error.posttest.field.null",
> fieldName);
>      errors.add(fieldKey, error);
>     }
>    }
>
>    private void checkForLength(String fieldName, String fieldKey, String
> value,
>                                int maxLength, ActionErrors errors)
>    {
>     if (value.length() > maxLength)
>     {
>      ActionError error =  new ActionError("error.posttest.field.length",
> fieldName);
>      System.out.println(maxLength);
>      errors.add(fieldKey, error);
>     }
>    }
>
>
>    public ActionErrors validate(ActionMapping mapping,
>      HttpServletRequest request)
>    {
>     ActionErrors errors = new ActionErrors();
>
>     checkForEmpty("field1", "error.field1.empty", getField1(), errors);
>     checkForEmpty("field2", "error.field2.empty", getField2(), errors);
>     checkForEmpty("field3", "error.field3.empty", getField3(), errors);
>
>     checkForLength("field1", "error.field1.length", getField1(), 5,
errors);
>     checkForLength("field2", "error.field2.length", getField2(), 5,
errors);
>     checkForLength("field3", "error.field3.length", getField3(), 5,
errors);
>
>     return errors;
>    }
>
>    public void reset(ActionMapping mapping, HttpServletRequest request)
>    {
>     field1 = "";
>     field2 = "";
>     field3 = "";
>    }
>
>    public String getField1()
>    {
>     return field1;
>    }
>
>    public void setField1(String feld1)
>    {
>     this.field1 = field1;
>    }
>
>    public String getField2()
>    {
>     return field2;
>    }
>
>    public void setField2(String field2)
>    {
>     this.field2 = field2;
>    }
>
>    public String getField3()
>    {
>     return field3;
>    }
>
>    public void setField3(String field3)
>    {
>     this.field3 = field3;
>    }
>
> }
>
> Everything works fine except the application always claims, that field1 is
> empty
> even if it's not. value.trim().length() always is = 0 with respect to the
> field1.
> The content of the HTML-Form looks like this:
>
> <%@ page language="java" %>
> <%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
> <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
> <%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>
> <%@ taglib uri="/WEB-INF/struts-template.tld" prefix="template" %>
> <html:form action="postTest">
> <table border="0" cellpadding="0" cellspacing="0"
> style="border-collapse:collapse" bgcolor="E7E7E7" width="100%"
> height="900px">
> <tr>
>   <td>
>     <html:errors/>
>   </td>
> </tr>
> <tr>
>   <td>
>     <input name="field1" type="text" size="17" maxlength="32">
>   </td>
> </tr>
> <tr>
>   <td>
>     <input name="field2" type="text" size="17" maxlength="32">
>   </td>
> </tr>
> <tr>
>   <td>
>     <input name="field3" type="text" size="17" maxlength="32">
>   </td>
> </tr>
> <tr>
>   <td>
>     <input name="submit" type="submit" value="Submit">
>   </td>
> </tr>
> </table>
> </html:form>
>
> What's wrong???
>
> Regards
> Tom
>
>
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