001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.progmodel.facets.value.date;
021
022import java.util.Date;
023
024import org.apache.isis.applib.adapters.EncoderDecoder;
025import org.apache.isis.applib.adapters.Parser;
026import org.apache.isis.core.commons.config.IsisConfiguration;
027import org.apache.isis.core.metamodel.facetapi.FacetHolder;
028import org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderContext;
029
030public class DateValueSemanticsProvider extends DateValueSemanticsProviderAbstract<org.apache.isis.applib.value.Date> {
031
032    // no default
033    private static final org.apache.isis.applib.value.Date DEFAULT_VALUE = null; 
034
035
036    /**
037     * Required because implementation of {@link Parser} and
038     * {@link EncoderDecoder}.
039     */
040    public DateValueSemanticsProvider() {
041        this(null, null, null);
042    }
043
044    public DateValueSemanticsProvider(final FacetHolder holder, final IsisConfiguration configuration, final ValueSemanticsProviderContext context) {
045        super(holder, org.apache.isis.applib.value.Date.class, Immutability.NOT_IMMUTABLE, EqualByContent.NOT_HONOURED, DEFAULT_VALUE, configuration, context);
046    }
047
048    @Override
049    protected org.apache.isis.applib.value.Date add(final org.apache.isis.applib.value.Date original, final int years, final int months, final int days, final int hours, final int minutes) {
050        final org.apache.isis.applib.value.Date date = original;
051        return date.add(years, months, days);
052    }
053
054    @Override
055    protected org.apache.isis.applib.value.Date now() {
056        return new org.apache.isis.applib.value.Date();
057    }
058
059    @Override
060    protected Date dateValue(final Object value) {
061        return ((org.apache.isis.applib.value.Date) value).dateValue();
062    }
063
064    @Override
065    protected org.apache.isis.applib.value.Date setDate(final Date date) {
066        return new org.apache.isis.applib.value.Date(date);
067    }
068}