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
019/**
020 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
021 */
022public class RangeValidator implements FieldValidator {
023
024    protected boolean negate;
025
026    protected double min = Double.MIN_VALUE;
027
028    protected double max = Double.MAX_VALUE;
029
030    public RangeValidator(double min, double max, boolean negate) {
031        this.min = min;
032        this.max = max;
033        this.negate = negate;
034    }
035
036    public boolean validateNumber(Number value) {
037        double d = value.doubleValue();
038        boolean result = d > min && d < max;
039        return negate ? !result : result;
040    }
041
042    public void validate(String value, Object decoded) throws ValidationException {
043        if (!validateNumber((Number) decoded)) {
044            throw new ValidationException();
045        }
046    }
047
048}