/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>.
*/
package org.hibernate.validator.internal.constraintvalidators.bv;
import java.util.regex.Matcher;
import java.util.regex.PatternSyntaxException;
import javax.validation.ConstraintValidatorContext;
import javax.validation.constraints.Email;
import javax.validation.constraints.Pattern;
import org.hibernate.validator.internal.constraintvalidators.AbstractEmailValidator;
import org.hibernate.validator.internal.util.logging.Log;
import org.hibernate.validator.internal.util.logging.LoggerFactory;
/**
* Checks that a given character sequence (e.g. string) is a well-formed email address.
*
* @author Guillaume Smet
*/
public class EmailValidator extends AbstractEmailValidator<Email> {
private static final Log LOG = LoggerFactory.make();
private java.util.regex.Pattern pattern;
@Override
public void initialize(Email emailAnnotation) {
super.initialize( emailAnnotation );
Pattern.Flag[] flags = emailAnnotation.flags();
int intFlag = 0;
for ( Pattern.Flag flag : flags ) {
intFlag = intFlag | flag.getValue();
}
try {
pattern = java.util.regex.Pattern.compile( emailAnnotation.regexp(), intFlag );
}
catch (PatternSyntaxException e) {
throw LOG.getInvalidRegularExpressionException( e );
}
}
@Override
public boolean isValid(CharSequence value, ConstraintValidatorContext context) {
if ( value == null ) {
return true;
}
boolean isValid = super.isValid( value, context );
if ( pattern == null || !isValid ) {
return isValid;
}
Matcher m = pattern.matcher( value );
return m.matches();
}
}