This validator checks that a field is a valid URL.
The annotation must be applied at method level.
Parameter | Required | Default | Notes |
---|---|---|---|
message | yes | field error message | |
key | no | i18n key from language specific properties file | |
messageParams | no | additional params to be used to customize message - will be evaluated against the Value Stack | |
fieldName | no | field name under validation | |
shortCircuit | no | false | if this validator should be used as shortCircuit |
urlRegex | no | defines regex to use to validate url | |
urlRegexExpression | no | defines regex as expression to validate url, expression will be evaluated against current stack to get proper regex | |
type | yes | ValidatorType.FIELD | Enum value from ValidatorType. Either FIELD or SIMPLE can be used here |
@UrlValidator(message = "Default message", key = "i18n.key", shortCircuit = true)
@UrlValidator(message = "Default message", key = "i18n.key", urlRegexExpression = "${urlRegex}")
If no urlRegex
neither urlRegexExpression
is defined, default regex will be used instead, based on StackOverflow answer
return "^(https?|ftp):\/\/" + "(([a-z0-9$_\.\\+!\\*\\'\\(\\),;\\?&=-]|%[0-9a-f]{2})+" + "(:([a-z0-9$_\.\\+!\\*\\'\\(\\),;\\?&=-]|%[0-9a-f]{2})+)?" + "@)?(#?" + ")((([a-z0-9]\.|[a-z0-9][a-z0-9-]*[a-z0-9]\.)*" + "[a-z][a-z0-9-]*[a-z0-9]" + "|((\\d|[1-9]\\d|1\\d{2}|2[0-4][0-9]|25[0-5])\.){3}" + "(\\d|[1-9]\\d|1\\d{2}|2[0-4][0-9]|25[0-5])" + ")(:\\d+)?" + ")(((\\/+([a-z0-9$_\.\\+!\\*\\'\\(\\),;:@&=-]|%[0-9a-f]{2})*)*" + "(\\?([a-z0-9$_\.\\+!\\*\\'\\(\\),;:@&=-]|%[0-9a-f]{2})*)" + "?)?)?" + "(#([a-z0-9$_\.\\+!\\*\\'\\(\\),;:@&=-]|%[0-9a-f]{2})*)?" + "$";