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
024import java.util.Date;
025
026/**
027 * Validator for checking if a date is in the past.
028 *
029 * @author Steven Jardine
030 */
031public class PastValidator extends AbstractValidator<Date> {
032
033    public PastValidator() {
034        super(Keys.PAST, new Object[0]);
035    }
036
037    public PastValidator(String invalidMessageOverride) {
038        super(invalidMessageOverride);
039    }
040
041    @Override
042    public int getPriority() {
043        return Priority.MEDIUM;
044    }
045
046    @Override
047    public boolean isValid(Date value) {
048        return value == null || value.before(new Date());
049    }
050}