I had a lot of demands for regexp support and since there is a need
for string matching in the built-in constraints...
http://opensource.atlassian.com/projects/hibernate/browse/HV-121
I replaced the bitwise guru flags approach with an enum
@Pattern( regexp = ".*", flags = { Pattern.Flag.CANON_EQ })
String name;
/**
* The annotated String must match the following regular expression.
* The regular expression follows the Java regular expression conventions
* see {...@link java.util.regex.Pattern}.
*
* Accepts String.
*
* @author Emmanuel Bernard
*
*/
@Target({ METHOD, FIELD, ANNOTATION_TYPE })
@Retention(RUNTIME)
@Documented
public @interface Pattern {
/**
* regular expression to match
*/
String regexp();
/**
* Flags considered when resolving the regular expression
*/
Flag[] flags() default {};
/**
* error message template
*/
String message() default "{validator.past}";
/**
* groups the constraint belongs to
*/
Class<?>[] groups() default { };
/**
* Possible Regexp flags
*/
public static enum Flag {
/**
* Enables Unix lines mode
* @see java.util.regex.Pattern#UNIX_LINES
*/
UNIX_LINES,
/**
* Enables case-insensitive matching
* @see java.util.regex.Pattern#CASE_INSENSITIVE
*/
CASE_INSENSITIVE,
/**
* Permits whitespace and comments in pattern
* @see java.util.regex.Pattern#COMMENTS
*/
COMMENTS,
/**
* Enables multiline mode
* @see java.util.regex.Pattern#MULTILINE
*/
MULTILINE,
/**
* Enables dotall mode
* @see java.util.regex.Pattern#DOTALL
*/
DOTALL,
/**
* Enables Unicode-aware case folding
* @see java.util.regex.Pattern#UNICODE_CASE
*/
UNICODE_CASE,
/**
* Enables canonical equivalence
* @see java.util.regex.Pattern#CANON_EQ
*/
CANON_EQ,
}
}
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