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.booleans;
021
022 import org.apache.isis.applib.adapters.EncoderDecoder;
023 import org.apache.isis.applib.adapters.Parser;
024 import org.apache.isis.core.commons.config.IsisConfiguration;
025 import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
026 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
027 import org.apache.isis.core.metamodel.facets.properties.defaults.PropertyDefaultFacet;
028 import org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderContext;
029
030 public class BooleanPrimitiveValueSemanticsProvider extends BooleanValueSemanticsProviderAbstract implements
031 PropertyDefaultFacet {
032
033 private static final Boolean DEFAULT_VALUE = Boolean.FALSE;
034
035 /**
036 * Required because implementation of {@link Parser} and {@link EncoderDecoder}.
037 */
038 public BooleanPrimitiveValueSemanticsProvider() {
039 this(null, null, null);
040 }
041
042 public BooleanPrimitiveValueSemanticsProvider(final FacetHolder holder, final IsisConfiguration configuration,
043 final ValueSemanticsProviderContext context) {
044 super(holder, boolean.class, DEFAULT_VALUE, configuration, context);
045 }
046
047 // //////////////////////////////////////////////////////////////////
048 // PropertyDefault
049 // //////////////////////////////////////////////////////////////////
050
051 @Override
052 public ObjectAdapter getDefault(final ObjectAdapter inObject) {
053 return createAdapter(boolean.class, Boolean.FALSE);
054 }
055
056 // //////////////////////////////////////////////////////////////////
057 // BooleanValueFacet impl
058 // //////////////////////////////////////////////////////////////////
059
060 @Override
061 public void reset(final ObjectAdapter object) {
062 object.replacePojo(Boolean.FALSE);
063 }
064
065 @Override
066 public void set(final ObjectAdapter object) {
067 object.replacePojo(Boolean.TRUE);
068 }
069
070 @Override
071 public void toggle(final ObjectAdapter object) {
072 final boolean current = ((Boolean) object.getObject()).booleanValue();
073 final boolean toggled = !current;
074 object.replacePojo(Boolean.valueOf(toggled));
075 }
076
077 }