001/*
002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     bstefanescu
016 */
017package org.nuxeo.ecm.webengine.forms.validation;
018
019import java.util.regex.Pattern;
020
021/**
022 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
023 */
024public class RegexValidator implements FieldValidator {
025
026    protected String regex;
027
028    protected Pattern pattern;
029
030    public RegexValidator(String regex) {
031        this.regex = regex;
032        this.pattern = Pattern.compile(regex);
033    }
034
035    public void validate(String value, Object decoded) throws ValidationException {
036        if (!pattern.matcher(value).matches()) {
037            throw new ValidationException();
038        }
039    }
040
041}