001/*
002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.ecm.webengine.forms.validation;
020
021import java.util.HashSet;
022import java.util.Set;
023
024import org.nuxeo.common.utils.StringUtils;
025
026/**
027 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
028 */
029public class EnumerationValidator implements FieldValidator {
030
031    protected Set<String> values;
032
033    public EnumerationValidator(String expr) {
034        values = new HashSet<String>();
035        String[] vals = StringUtils.split(expr, ',', true);
036        for (String v : vals) {
037            values.add(v);
038        }
039    }
040
041    public EnumerationValidator(String[] values) {
042        this.values = new HashSet<String>();
043        for (String v : values) {
044            this.values.add(v);
045        }
046    }
047
048    public void validate(String value, Object decoded) throws ValidationException {
049        if (!values.contains(value)) {
050            throw new ValidationException();
051        }
052    }
053
054}