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- conversion validator
- date validator
- double validator
- email validator
- expression validator
- fieldexpression validator
- int validator
- regex validator
- required validator
- requiredstring validator
- short validator
- stringlength validator
- url validator
- visitor validator
- conditionalvisitor validator
Registering Validators
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{snippet:id=javadoc|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
The following list shows the default validators included in the framework and is an example of the syntax used to declare our own validators.
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{snippet:lang=xml|url=struts2/ |
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core/src/main/resources/com/opensymphony/xwork2/validator/validators/default.xml} |
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| title | Struts 2.1 and Prior |
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The validators.xml used to reference a DTD hosted by Opensymphony, the original location of the XWork project. Since the the move to Apache Struts, DTDs were changed. Please ensure in your projects to include the DTD header as described in the examples found here |
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This interceptor allows us to turn off validation for a specific method by using the @org.apache.struts2.interceptor.validation.SkipValidation annotation on the action method.
Validator Scopes
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{snippet:id=fieldValidators|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
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{snippet:id=nonFieldValidators|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
Notes
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{snippet:id=validatorsNote|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
Defining Validation Rules
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{snippet:id=validationRules1|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
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{snippet:id=exValidationRules1|lang=xml|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
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{snippet:id=validationRules2|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
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In this context, "Action Alias" refers to the action name as given in the Struts configuration. Often, the name attribute matches the method name, but they may also differ. |
Localizing and Parameterizing Messages
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{snippet:id=validationRules3|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
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{snippet:id=exValidationRules3|javadoc=true|lang=xml|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
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{snippet:id=validationRules4|javadoc=true|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
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{snippet:id=exValidationRules4|javadoc=true|lang=xml|url=com.opensymphony.xwork2.validator/ValidatorFactory.java} |
Validator Flavor
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{snippet:id=validatorFlavours|javadoc=true|url=com.opensymphony.xwork2.validator/Validator.java} |
Non-Field Validator Vs Field-Validator
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| validatortypes |
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| validatortypes |
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Short-Circuiting Validator
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{snippet:id=shortCircuitingValidators1|javadoc=true|url=com.opensymphony.xwork2.validator/Validator.java} |
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{snippet:id=exShortCircuitingValidators|lang=xml|javadoc=true|url=com.opensymphony.xwork2.validator/Validator.java} |
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{snippet:id=shortCircuitingValidators2|javadoc=true|url=com.opensymphony.xwork2.validator/Validator.java} |
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{snippet:id=scAndValidatorFlavours1|1=javadoc|javadoc=true|url=com.opensymphony.xwork2.validator/Validator.java} |
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{snippet:id=exScAndValidatorFlavours|lang=xml|javadoc=true|url=com.opensymphony.xwork2.validator/Validator.java} |
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{snippet:id=scAndValidatorFlavours2|1=javadoc|javadoc=true|url=com.opensymphony.xwork2.validator/Validator.java} |
How Validators of an Action are Found
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{snippet:id=howXworkFindsValidatorForAction|javadoc=true|url=com.opensymphony.xwork2.validator/Validator.java} |
Writing custom validators
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