Apache Struts API Documentation: Class ValidWhen

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org.apache.struts.validator.validwhen Class ValidWhen

java.lang.Object
  |
  +--org.apache.struts.validator.validwhen.ValidWhen

public class ValidWhen
extends java.lang.Object

This class contains the validwhen validation that is used in the validator-rules.xml file.

Since:: Struts 1.2

Field Summary
`private static org.apache.commons.logging.Log`	`log` Commons Logging instance.

Constructor Summary
`ValidWhen()`

Method Summary
`private static boolean`	`isString(java.lang.Object obj)` Returns true if `obj` is null or a String.
`static boolean`	`validateValidWhen(java.lang.Object bean, org.apache.commons.validator.ValidatorAction va, org.apache.commons.validator.Field field, ActionMessages errors, org.apache.commons.validator.Validator validator, javax.servlet.http.HttpServletRequest request)` Checks if the field matches the boolean expression specified in `test` parameter.

Methods inherited from class java.lang.Object

, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait

Field Detail

log

private static final org.apache.commons.logging.Log log

Commons Logging instance.

Constructor Detail

ValidWhen

public ValidWhen()

Method Detail

isString

private static boolean isString(java.lang.Object obj)

Returns true if obj is null or a String.

validateValidWhen

public static boolean validateValidWhen(java.lang.Object bean,
                                        org.apache.commons.validator.ValidatorAction va,
                                        org.apache.commons.validator.Field field,
                                        ActionMessages errors,
                                        org.apache.commons.validator.Validator validator,
                                        javax.servlet.http.HttpServletRequest request)

Checks if the field matches the boolean expression specified in test parameter.

Parameters:: bean - The bean validation is being performed on.; va - The ValidatorAction that is currently being performed.; field - The Field object associated with the current field being validated.; errors - The ActionMessages object to add errors to if any validation errors occur.; request - Current request object.
Returns:: true if meets stated requirements, false otherwise.