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The annotations integration validation-api and hibernate annotations.

There is a newer version: 0.0.5

/*
 * Hibernate Validator, declare and validate application constraints
 *
 * License: Apache License, Version 2.0
 * See the license.txt file in the root directory or .
 */
package org.hibernate.validator.constraints;

import javax.validation.Constraint;
import javax.validation.OverridesAttribute;
import javax.validation.Payload;
import javax.validation.ReportAsSingleViolation;
import javax.validation.constraints.Pattern;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * The string has to be a well-formed email address.
 *
 * @author Emmanuel Bernard
 * @author Hardy Ferentschik
 */
@Documented
@Constraint(validatedBy = { })
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@ReportAsSingleViolation
@Pattern(regexp = "")
public @interface Email {
	String message() default "{org.hibernate.validator.constraints.Email.message}";

	Class[] groups() default { };

	Class[] payload() default { };

	/**
	 * @return an additional regular expression the annotated string must match. The default is any string ('.*')
	 */
	@OverridesAttribute(constraint = Pattern.class, name = "regexp") String regexp() default ".*";

	/**
	 * @return used in combination with {@link #regexp()} in order to specify a regular expression option
	 */
	@OverridesAttribute(constraint = Pattern.class, name = "flags") Pattern.Flag[] flags() default { };

	/**
	 * Defines several {@code @Email} annotations on the same element.
	 */
	@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
	@Retention(RUNTIME)
	@Documented
	public @interface List {
		Email[] value();
	}
}