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.HashSet;
020import java.util.Set;
021
022import org.nuxeo.common.utils.StringUtils;
023
024/**
025 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
026 */
027public class EnumerationValidator implements FieldValidator {
028
029    protected Set<String> values;
030
031    public EnumerationValidator(String expr) {
032        values = new HashSet<String>();
033        String[] vals = StringUtils.split(expr, ',', true);
034        for (String v : vals) {
035            values.add(v);
036        }
037    }
038
039    public EnumerationValidator(String[] values) {
040        this.values = new HashSet<String>();
041        for (String v : values) {
042            this.values.add(v);
043        }
044    }
045
046    public void validate(String value, Object decoded) throws ValidationException {
047        if (!values.contains(value)) {
048            throw new ValidationException();
049        }
050    }
051
052}