001package org.gwtbootstrap3.client.ui.form.validator;
002
003/*
004 * #%L
005 * GwtBootstrap3
006 * %%
007 * Copyright (C) 2015 GwtBootstrap3
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.util.Date;
024
025import org.gwtbootstrap3.client.ui.form.validator.ValidationMessages.Keys;
026
027/**
028 * Validator for checking if a date is in the past.
029 *
030 * @param <T> the generic type
031 * @author Steven Jardine
032 */
033public class PastValidator extends AbstractValidator<Date> {
034
035    public PastValidator() {
036        super(Keys.PAST, new Object[0]);
037    }
038
039    public PastValidator(String invalidMessageOverride) {
040        super(invalidMessageOverride);
041    }
042
043    /** {@inheritDoc} */
044    @Override
045    public int getPriority() {
046        return Priority.MEDIUM;
047    }
048
049    /** {@inheritDoc} */
050    @Override
051    public boolean isValid(Date value) {
052        if (value != null) { return value.before(new Date()); }
053        return true;
054    }
055
056}