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.booleans;
021
022import org.apache.isis.applib.adapters.EncoderDecoder;
023import org.apache.isis.applib.adapters.Parser;
024import org.apache.isis.core.commons.config.IsisConfiguration;
025import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
026import org.apache.isis.core.metamodel.facetapi.FacetHolder;
027import org.apache.isis.core.metamodel.facets.properties.defaults.PropertyDefaultFacet;
028import org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderContext;
029
030public class BooleanPrimitiveValueSemanticsProvider extends BooleanValueSemanticsProviderAbstract implements PropertyDefaultFacet {
031
032    private static final Boolean DEFAULT_VALUE = Boolean.FALSE;
033
034    /**
035     * Required because implementation of {@link Parser} and
036     * {@link EncoderDecoder}.
037     */
038    public BooleanPrimitiveValueSemanticsProvider() {
039        this(null, null, null);
040    }
041
042    public BooleanPrimitiveValueSemanticsProvider(final FacetHolder holder, final IsisConfiguration configuration, final ValueSemanticsProviderContext context) {
043        super(holder, boolean.class, DEFAULT_VALUE, configuration, context);
044    }
045
046    // //////////////////////////////////////////////////////////////////
047    // PropertyDefault
048    // //////////////////////////////////////////////////////////////////
049
050    @Override
051    public ObjectAdapter getDefault(final ObjectAdapter inObject) {
052        return createAdapter(boolean.class, Boolean.FALSE);
053    }
054
055    // //////////////////////////////////////////////////////////////////
056    // BooleanValueFacet impl
057    // //////////////////////////////////////////////////////////////////
058
059    @Override
060    public void reset(final ObjectAdapter object) {
061        object.replacePojo(Boolean.FALSE);
062    }
063
064    @Override
065    public void set(final ObjectAdapter object) {
066        object.replacePojo(Boolean.TRUE);
067    }
068
069    @Override
070    public void toggle(final ObjectAdapter object) {
071        final boolean current = ((Boolean) object.getObject()).booleanValue();
072        final boolean toggled = !current;
073        object.replacePojo(Boolean.valueOf(toggled));
074    }
075
076}