I wrote one that appears to work. I copied the contents of TegexFieldValidator to get it to work. Is there a need for more of the validators to support collections?
Norris Shelton Software Engineer Sun Certified Java 1.1 Programmer Shelton Consulting, LLC ICQ# 26487421 AIM NorrisEShelton YIM norrisshelton ________________________________ From: Dave Newton <newton.d...@yahoo.com> To: Struts Users Mailing List <user@struts.apache.org> Sent: Friday, August 28, 2009 6:19:45 PM Subject: Re: [U] Email Validation Issue Ginn, Timothy D Mr CTR USA TRADOC USAAC wrote: > I have run into a bump in the road. I am trying to validate a list of > Strings that contain email addresses. I can't seem to get it to check > the emails to be a valid email using the annotation validation. > Could someone please let me know if this is possible or if I am doing > something wrong > @Validations( > requiredStrings = {...@requiredstringvalidator(message = "At Least > one email address is required.", trim = true)}, > emails = {...@emailvalidator(message = "Please enter a valid email > address.", type = ValidatorType.FIELD)} > ) > public void setLdapAdmins(List<String> ldapAdmins) { > this.ldapAdmins = ldapAdmins; > } > > ldapAdmins is a list of Strings that contain email addresses. I need to > validate that they are truly email addresses and that the fields are not > "". AFAIK the validations will validate only a single object; I believe you'd need custom validation either via a validate() method, custom validator, etc. Dave --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org
package mil.army.usaac.certs.struts_api; import com.opensymphony.xwork2.validator.*; import com.opensymphony.xwork2.validator.validators.*; import java.util.*; import java.util.regex.*; /** /** * <!-- START SNIPPET: javadoc --> * EmailValidator checks that a given String field, if not empty, * is a valid email address. * <p/> * <p/> * The regular expression used to validate that the string is an email address * is: * </p> * <pre> * \\b(^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@([A-Za-z0-9-])+((\\.com)|(\\.net)|(\\.org)|(\\.info)|(\\.edu)|(\\.mil)|(\\.gov)|(\\.biz)|(\\.ws)|(\\.us)|(\\.tv)|(\\.cc)|(\\.aero)|(\\.arpa)|(\\.coop)|(\\.int)|(\\.jobs)|(\\.museum)|(\\.name)|(\\.pro)|(\\.travel)|(\\.nato)|(\\..{2,3})|(\\..{2,3}\\..{2,3}))$)\\b * </pre> * <!-- END SNIPPET: javadoc --> * * * <!-- START SNIPPET: parameters --> * <ul> * <li>fieldName - The field name this validator is validating. Required if using Plain-Validator Syntax otherwise not required</li> * </ul> * <!-- END SNIPPET: parameters --> * * * <pre> * <!-- START SNIPPET: example --> * <!-- Plain Validator Syntax --> * <validators> * <validator type="emailCollection"> * <param name="fieldName">myEmail</param> * <message>Must provide a valid email</message> * </validator> * </validators> * * <!-- Field Validator Syntax --> * <field name="myEmail"> * <field-validator type="emailCollection"> * <message>Must provide a valid email</message> * </field-validator> * </field> * <!-- END SNIPPET: example --> * </pre> * * @author Norris Shelton * @version $Date: $ $Id: $ */ public class EmailCollectionValidator extends EmailValidator { /** * The validation implementation must guarantee that setValidatorContext will be called with a non-null * ValidatorContext before validate is called. * @param object the object to be validated. * @throws ValidationException is thrown if there is validation error(s). */ @Override public void validate(Object object) throws ValidationException { Object fieldValue = getFieldValue(getFieldName(), object); if (fieldValue instanceof Collection) { for (Object value: (Collection) fieldValue) { // if there is no value - don't do comparison // if a value is required, a required validator should be added to the field if (value == null || getExpression() == null) { return; } // XW-375 - must be a string if (!(value instanceof String)) { return; } // string must not be empty String str = ((String) value).trim(); if (str.length() == 0) { return; } // match against expression Pattern pattern; if (isCaseSensitive()) { pattern = Pattern.compile(getExpression()); } else { pattern = Pattern.compile(getExpression(), Pattern.CASE_INSENSITIVE); } String compare = (String) value; if (isTrimed()) { compare = compare.trim(); } Matcher matcher = pattern.matcher(compare); if (!matcher.matches()) { addFieldError(getFieldName(), object); } } } } }
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