[
https://issues.apache.org/jira/browse/WW-1967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13558804#comment-13558804
]
Greg Huber commented on WW-1967:
--------------------------------
For anyone else looking at this, resolved with Lukasz solution above,
interceptor:
{code:java}
/**
* Define our own context to support method's names in validation file name If
* DMI is enabled and method was specified validation file name will be
* constructed like this: -
*
* <ActionClass>-<actionAlias>!<methodName>-validation.xml
*/
public class DMIAwareValidationInterceptor extends ValidationInterceptor {
private static final long serialVersionUID = 9007212648956424490L;
private boolean dmiEnabled = false;
@Inject(StrutsConstants.STRUTS_ENABLE_DYNAMIC_METHOD_INVOCATION)
public void setEnableDynamicMethodInvocation(String value) {
dmiEnabled = Boolean.parseBoolean(value);
}
/**
* @see
com.opensymphony.xwork2.validator.ValidationInterceptor#getValidationContext(com.opensymphony.xwork2.ActionProxy)
*/
@Override
protected String getValidationContext(ActionProxy proxy) {
if (dmiEnabled && StringUtils.isNotEmpty(proxy.getMethod())) {
return proxy.getActionName() + "!" + proxy.getMethod();
}
return super.getValidationContext(proxy);
}
}
{code}
> Dynamic Method Invocation, validator with ActionName-aliasName-validation.xml
> files.
> ------------------------------------------------------------------------------------
>
> Key: WW-1967
> URL: https://issues.apache.org/jira/browse/WW-1967
> Project: Struts 2
> Issue Type: Bug
> Components: Core Actions
> Affects Versions: 2.0.6
> Environment: Fedora 4, tomcat
> Reporter: Greg Huber
> Assignee: Lukasz Lenart
> Priority: Minor
> Fix For: 2.3.9
>
> Attachments: patch_WW-1967.txt, patch_WW-1967_xwork_2.txt
>
>
> Hello,
> I have been trying to get validation working with dynamic method invocation,
> using ActionName-aliasName-validation.xml files.
> When the struts.property is set >>
> struts.enable.DynamicMethodInvocation=true, in the DefaultActionMapper the
> mapping name is changed by removing !submit from the action eg
> fieldValidatorsExamples!submit becomes fieldValidatorsExamples. When the
> validator tries to find
> FieldValidatorsExampleAction-fieldValidatorsExamples!submit-validator.xml it
> cannot, as the validator is looking for
> FieldValidatorsExampleAction-fieldValidatorsExamples-validator.xml. But this
> is now not linked to a method.
> {code:java}
> if (allowDynamicMethodCalls) {
> // handle "name!method" convention.
> String name = mapping.getName();
> int exclamation = name.lastIndexOf("!");
> if (exclamation != -1) {
> mapping.setName(name.substring(0, exclamation));
> mapping.setMethod(name.substring(exclamation + 1));
> }
> }
> {code}
> With struts.enable.DynamicMethodInvocation=false, validator works but method
> name is null.
> This line of code is causing the problem mapping.setName(name.substring(0,
> exclamation));. Without this line seems to work but I am no expert!
> eg:
> {code:xml}
> <action name="fieldValidatorsExamples!*"
> class="org.apache.struts2.showcase.validation.FieldValidatorsExampleAction"
> method="{1}" >
> <result name="input"
> type="dispatcher">/validation/fieldValidatorsExample.jsp</result>
> <result
> type="dispatcher">/validation/successFieldValidatorsExample.jsp</result>
> </action>
> {code}
> {code:html}
> <s:form action="fieldValidatorsExamples!submit" namespace="/validation"
> method="POST" theme="xhtml">
> <s:textfield label="Required Validator Field"
> name="requiredValidatorField" />
> <s:textfield label="Required String Validator Field"
> name="requiredStringValidatorField" />
> <s:textfield label="Integer Validator Field" name="integerValidatorField"
> />
> <s:textfield label="Date Validator Field" name="dateValidatorField" />
> <s:textfield label="Email Validator Field" name="emailValidatorField" />
> <s:textfield label="URL Validator Field" name="urlValidatorField" />
> <s:textfield label="String Length Validator Field"
> name="stringLengthValidatorField" />
> <s:textfield label="Regex Validator Field" name="regexValidatorField"/>
> <s:textfield label="Field Expression Validator Field"
> name="fieldExpressionValidatorField" />
> <s:submit label="Submit" />
> </s:form>
> {code}
> Cheers Greg
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