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This commit is contained in:
Keith Donald
2009-02-27 22:21:04 +00:00
parent 9be2a24890
commit 26c561f41d
1 changed files with 8 additions and 5 deletions
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13
spring-binding/src/main/java/org/springframework/binding/validation/DefaultValidationFailureMessageResolverFactory.java
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@@ -34,20 +34,21 @@ import org.springframework.util.Assert;
/**
* Maps validation failures to messages resolvable in a {@link MessageSource}. Configurable with an
* {@link ExpressionParser} to provide support messages that contain #{expressions} for inserting failure arguments.
* {@link ExpressionParser} to allow messages containing #{expressions} to be parameterized with failure arguments.
* Configurable with a {@link ConversionService} to support String-encoding failure arguments.
*
* Employs the following algorithm to map property validation failure to a message:
* <ol>
* <li>Try the ${failureMessageCodePrefix}.${objectName}.${propertyName}.${constraint} code; if match, resolve message
* <li>Try the ${failureMessageCodePrefix}.${objectName}.${propertyName}.${constraint} code; if matches, resolve message
* and return.
* <li>Try the ${failureMessageCodePrefix}.${propertyType}.${constraint} code; if matched, resolve message and return.
* <li>Try the ${failureMessageCodePrefix}.${constrant} code; if matched, resolve message and return.
* <li>Try the ${failureMessageCodePrefix}.${propertyType}.${constraint} code; if matches, resolve message and return.
* <li>Try the ${failureMessageCodePrefix}.${constraint} code; if matches, resolve message and return.
* </ol>
*
* Named message arguments may be denoted by using ${} or #{} expressions. For property validation failures, the value
* of the "label" argument is automatically mapped to the message with code
* ${labelMessageCodePrefix}.${objectName}.${propertyName}.
* ${labelMessageCodePrefix}.${objectName}.${propertyName}, allowing localization of the property label. Also, the
* "value" argument holds a reference to the invalid user-entered value that triggered the failure.
*
* messages.properties example:
*
@@ -55,8 +56,10 @@ import org.springframework.util.Assert;
* validation.booking.checkinDate.required=The Checkin Date is required
* validation.java.util.Date.required=Dates are required
* validation.required=#{label} is required
* validation.range=#{label} must be between #{min} and #{max} but it was #{value}
*
* label.booking.checkoutDate=Check Out Date
* label.booking.amount=Amount
* </pre>
* @author Keith Donald
*/