Package org.apache.isis.core.progmodel.facets.value.datetime

Source Code of org.apache.isis.core.progmodel.facets.value.datetime.DateTimeValueSemanticsProvider

/*
*  Licensed to the Apache Software Foundation (ASF) under one
*  or more contributor license agreements.  See the NOTICE file
*  distributed with this work for additional information
*  regarding copyright ownership.  The ASF licenses this file
*  to you under the Apache License, Version 2.0 (the
*  "License"); you may not use this file except in compliance
*  with the License.  You may obtain a copy of the License at
*
*        http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing,
*  software distributed under the License is distributed on an
*  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
*  KIND, either express or implied.  See the License for the
*  specific language governing permissions and limitations
*  under the License.
*/

package org.apache.isis.core.progmodel.facets.value.datetime;

import java.util.Date;

import org.apache.isis.applib.adapters.EncoderDecoder;
import org.apache.isis.applib.adapters.Parser;
import org.apache.isis.applib.value.DateTime;
import org.apache.isis.core.commons.config.IsisConfiguration;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderContext;
import org.apache.isis.core.progmodel.facets.value.DateAndTimeValueSemanticsProviderAbstract;

public class DateTimeValueSemanticsProvider extends DateAndTimeValueSemanticsProviderAbstract<DateTime> {
    private static final boolean IMMUTABLE = false;
    private static final boolean EQUAL_BY_CONTENT = false;

    /**
     * Required because implementation of {@link Parser} and {@link EncoderDecoder}.
     */
    public DateTimeValueSemanticsProvider() {
        this(null, null, null);
    }

    public DateTimeValueSemanticsProvider(final FacetHolder holder, final IsisConfiguration configuration,
        final ValueSemanticsProviderContext context) {
        super(holder, DateTime.class, IMMUTABLE, EQUAL_BY_CONTENT, configuration, context);
    }

    @Override
    protected Date dateValue(final Object value) {
        final DateTime date = (DateTime) value;
        return date == null ? null : date.dateValue();
    }

    @Override
    protected DateTime add(final DateTime original, final int years, final int months, final int days, final int hours,
        final int minutes) {
        DateTime date = original;
        date = date.add(years, months, days, hours, minutes);
        return date;
    }

    @Override
    protected DateTime now() {
        return new DateTime();
    }

    @Override
    protected DateTime setDate(final Date date) {
        return new DateTime(date);
    }

}
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