001/*
002 * #%L
003 * GwtBootstrap3
004 * %%
005 * Copyright (C) 2015 GwtBootstrap3
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 * 
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 * 
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package gwt.material.design.client.base.validator;
021
022import gwt.material.design.client.base.validator.ValidationMessages.Keys;
023
024/**
025 * Decimal max validator. Checks to see if the decimal value is over the maximum value.
026 *
027 * @param <T> the generic type
028 * @author Steven Jardine
029 */
030public class DecimalMaxValidator<T> extends AbstractValidator<T> {
031
032    private Number maxValue;
033
034    /**
035     * Constructor.
036     *
037     * @param maxValue the max value
038     */
039    public DecimalMaxValidator(Number maxValue) {
040        super(Keys.DECIMAL_MAX, new Object[]{maxValue.toString()});
041        this.maxValue = maxValue;
042    }
043
044    /**
045     * Constructor.
046     *
047     * @param maxValue               the max value
048     * @param invalidMessageOverride the invalid message override
049     */
050    public DecimalMaxValidator(Number maxValue, String invalidMessageOverride) {
051        super(invalidMessageOverride);
052        this.maxValue = maxValue;
053    }
054
055    @Override
056    public int getPriority() {
057        return Priority.MEDIUM;
058    }
059
060    @Override
061    public boolean isValid(T value) {
062        if (value == null) {
063            return true;
064        }
065        if (value instanceof Number) {
066            return ((Number) value).doubleValue() <= maxValue.doubleValue();
067        } else {
068            return Double.valueOf(value.toString()) <= maxValue.doubleValue();
069        }
070    }
071}