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
020 package org.apache.isis.core.progmodel.facets.value.date;
021
022 import java.util.Date;
023
024 import org.apache.isis.applib.adapters.EncoderDecoder;
025 import org.apache.isis.applib.adapters.Parser;
026 import org.apache.isis.core.commons.config.IsisConfiguration;
027 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
028 import org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderContext;
029
030 public class DateValueSemanticsProvider extends DateValueSemanticsProviderAbstract<org.apache.isis.applib.value.Date> {
031
032 private static final boolean IMMUTABLE = false;
033 private static final boolean EQUAL_BY_CONTENT = false;
034 private static final org.apache.isis.applib.value.Date DEFAULT_VALUE = null; // new
035 // org.apache.isis.applib.value.Date(2007,1,1);
036
037 // // no default
038
039 /**
040 * Required because implementation of {@link Parser} and {@link EncoderDecoder}.
041 */
042 @SuppressWarnings("NP_NULL_PARAM_DEREF_NONVIRTUAL")
043 public DateValueSemanticsProvider() {
044 this(null, null, null);
045 }
046
047 public DateValueSemanticsProvider(final FacetHolder holder, final IsisConfiguration configuration,
048 final ValueSemanticsProviderContext context) {
049 super(holder, org.apache.isis.applib.value.Date.class, IMMUTABLE, EQUAL_BY_CONTENT, DEFAULT_VALUE,
050 configuration, context);
051 }
052
053 @Override
054 protected org.apache.isis.applib.value.Date add(final org.apache.isis.applib.value.Date original, final int years,
055 final int months, final int days, final int hours, final int minutes) {
056 final org.apache.isis.applib.value.Date date = original;
057 return date.add(years, months, days);
058 }
059
060 @Override
061 protected org.apache.isis.applib.value.Date now() {
062 return new org.apache.isis.applib.value.Date();
063 }
064
065 @Override
066 protected Date dateValue(final Object value) {
067 return ((org.apache.isis.applib.value.Date) value).dateValue();
068 }
069
070 @Override
071 protected org.apache.isis.applib.value.Date setDate(final Date date) {
072 return new org.apache.isis.applib.value.Date(date);
073 }
074 }