[jira] [Assigned] (CLK-778) EmailField Data Validation Is Insufficient

["Naoki Takezoe (Assigned) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLK-778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Naoki Takezoe reassigned CLK-778:
---------------------------------

    Assignee: Naoki Takezoe
    
> EmailField Data Validation Is Insufficient
> ------------------------------------------
>
>                 Key: CLK-778
>                 URL: https://issues.apache.org/jira/browse/CLK-778
>             Project: Click
>          Issue Type: Bug
>          Components: extras
>            Reporter: Clint Lawrence
>            Assignee: Naoki Takezoe
>
> In the Click Extras project, the current EmailField validation does not sufficiently limit user input to the format of an email address.  As an example, I loaded the Avoka examples site and was able to successfully submit the following as an email address in the Extra Form Controls page:
>     how.can@this@be@a@valid.email.address
> For my own use I have extended EmailField with the following additional validation logic:
>     private static final Pattern EMAIL_ADDRESS_REGEX_PATTERN = Pattern.compile("^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,4}$", Pattern.CASE_INSENSITIVE);
>     ...
>     @Override
>     public void validate() {
>         super.validate();
>         if (EMAIL_ADDRESS_REGEX_PATTERN.matcher(StringUtils.trimToEmpty(this.value)).matches())
>         {
>             this.setErrorMessage("email-format-error");
>         }
>     }

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