Hello
Struts 2 in action is good book to resolve yours questions.
Greeting
----- Original Message -----
From: "Eileen Hurley" <eileen.hur...@rockalltech.com>
To: <user@struts.apache.org>
Sent: Thursday, October 22, 2009 10:07 AM
Subject: Struts 2 Validation issues
All,
I have problems with xml validation and Struts 2 (2.0.14). The
validation as I see it is not displaying the error messages (I extend
ActionSupport). The defaultstack includes the validation interceptor.
I believe the problem is related to my struts.xml configuration and the
interceptor I use but I can't be sure. The only way I can get the
fielderrors displayed on my jsp is to check the fielderors in the method
generate but I thought (like Struts 1) it should never get to the
generate method. Instead of success redirecting to a jsp if it's a
success I want to go to the previous page which seems to work.
In summary my questions are as follows:
Q1: When do I need to use the execute method?
Q2: I assume I don't need to specify fieldserror in my code
(implementing the ValidationAware should be enough)
Q3: If I need to persist the items for re-display on the input page -
what do I need to do to achieve this?
Q4: Do I need to use the Workflow interceptor?
Any help would be appreciated.
Eileen.
StratifySiteVisits.java
.
.
.
.
public String generate() throws Exception {
Map fieldErrors = getFieldErrors();
if (fieldErrors != null || fieldErrors.size() > 0 ){
return INPUT;
}
......
return "navigationback"
}
Validation xml file:
StratifySiteVisits-stratifySiteVisitsGenerate-validation.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC
"-//OpenSymphony Group//XWork Validator 1.0.2//EN"
"http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd";>
<validators>
<field name="sampleSize">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>Sample Size is required</message>
</field-validator>
</field>
</validators>
Action
Struts.xml
<action name="stratifySiteVisitsGenerate" method="generate"
class="com.cmo.action.sitevisits.stratify.StratifySiteVisits">
<result
name="input">jsp/sitevisits/stratify/stratifySiteVisitsLoans.jsp</result
<interceptor-ref name="defaultStack">
<param name="navigation.action">previousScreen</param>
</interceptor-ref>
</action>
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