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
021/**
022 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
023 */
024public class RangeValidator implements FieldValidator {
025
026    protected boolean negate;
027
028    protected double min = Double.MIN_VALUE;
029
030    protected double max = Double.MAX_VALUE;
031
032    public RangeValidator(double min, double max, boolean negate) {
033        this.min = min;
034        this.max = max;
035        this.negate = negate;
036    }
037
038    public boolean validateNumber(Number value) {
039        double d = value.doubleValue();
040        boolean result = d > min && d < max;
041        return negate ? !result : result;
042    }
043
044    public void validate(String value, Object decoded) throws ValidationException {
045        if (!validateNumber((Number) decoded)) {
046            throw new ValidationException();
047        }
048    }
049
050}