Hello!
Reading a Struts book I wanted to give the validator framework
a whirl. Since it's poorly described in the book I checked out
Struts website. I wonder if when we speak about automatic form
validation, then if do we mean the validator from the website
http://home.earthlink.net/~dwinterfeldt or has another
validator been integrated into Struts. How doI setup an
automatic form validation?
I've build a form with 3 fields called field1, field2, field3
and a submit button. I've defined the validation rules in the
validation.xml file, but this thing just doesn't work. Below
my setup.
my validation.xml looks like this:
<form-validation>
<formset>
<form name="postTestForm">
<field property="field1"
depends="required,maxlength">
<msg name="required"
key="error.posttest.field.null"/>
<msg name="maxlength"
key="error.posttest.field.length"/>
<arg0 key="myapp.posttest.form.titlelabel"/>
<arg1 name="maxlength" key="${var:maxlength}"
resource="false"/>
<var>
<var-name>maxlength</var-name>
<var-value>5</var-value>
</var>
</field>
<field property="field2"
depends="required,maxlength">
<msg name="required"
key="error.posttest.field.null"/>
<msg name="maxlength"
key="error.posttest.field.length"/>
<arg0 key="myapp.posttest.form.introlabel"/>
<arg1 name="maxlength" key="${var:maxlength}"
resource="false"/>
<var>
<var-name>maxlength</var-name>
<var-value>2048</var-value>
</var>
</field>
<field property="field3"
depends="required,maxlength">
<msg name="required"
key="error.posttest.field.null"/>
<msg name="maxlength"
key="error.posttest.field.length"/>
<arg0 key="myapp.posttest.form.bodylabel"/>
<arg1 name="maxlength" key="${var:maxlength}"
resource="false"/>
<var>
<var-name>maxlength</var-name>
<var-value>100000</var-value>
</var>
</field>
</form>
</formset>
</form-validation>
my struts-config.xml lookis like this:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software
Foundation//DTD Struts Configuration 1.1//EN"
"http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd";>
<struts-config>
<form-beans>
<form-bean name="postTestForm"
type="org.apache.struts.validator.DynaActionForm">
<form-property name="field1" type="java.lang.String"
initial=""/>
<form-property name="field2" type="java.lang.String"
initial=""/>
<form-property name="field3" type="java.lang.String"
initial=""/>
</form-bean>
</form-beans>
<global-forwards>
<forward name="system.error"
path="/WEB-INF/jsp/systemError.jsp"/>
<forward name="default.action"
path="/execute/homePageSetuo"/>
</global-forwards>
<action-mappings>
<action path="/homePageSetup"
type="com.mycompany.HomePageSetupAction"
unknown="true">
<forward name="homepage.success"
path="/WEB-INF/jsp/homePage.jsp"/>
</action>
<action path="/postTestSetup"
type="com.mycompany.PostTestSetupAction"
name="postTestForm"
scope="request"
validate="false">
<forward name="posttest.success"
path="/WEB-INF/jsp/postTest.jsp" />
</action>
<action path="/postTest"
input="/WEB-INF/jsp/postTest.jsp"
type="com.mycompany.PostTest"
name="postTestForm"
scope="request"
validate="true">
<forward name="posttest.success"
path="/execute/homePageSetup"/>
</action>
</action-mappings>
<plug-in
className="org.apache.struts.validator.ValidatorPlugIn">
<set-property property="pathnames"
value="/WEB-INF/validator-rules.xml,
/WEB-INF/validation.xml"/>
</plug-in>
</struts-config>
Thanks in advance for you help!
Tom
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