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Jodd Joy is set of Jodd extensions that makes development of web applications even easier.

There is a newer version: 5.3.0

// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// POSSIBILITY OF SUCH DAMAGE.

package jodd.joy.vtor.constraint;

import jodd.mail.RFC2822AddressParser;
import jodd.vtor.ValidationConstraint;
import jodd.vtor.ValidationConstraintContext;

/**
 * Email address validator.
 */
public class EmailConstraint implements ValidationConstraint {

	@Override
	public void configure(final Email annotation) {
	}

	@Override
	public boolean isValid(final ValidationConstraintContext vcc, final Object value) {
		if (value == null) {
			return true;
		}

		RFC2822AddressParser.ParsedAddress address = RFC2822AddressParser.LOOSE.parse(value.toString());

		if (!address.isValid()) {
			return false;
		}

		return address.isValid();
	}
}