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.object.mask;
021    
022    import org.apache.isis.applib.profiles.Localization;
023    import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
024    import org.apache.isis.core.metamodel.facets.object.title.TitleFacet;
025    import org.apache.isis.core.metamodel.facets.object.title.TitleFacetAbstract;
026    import org.apache.isis.core.progmodel.facets.object.title.TitleFacetUsingParser;
027    
028    public class TitleFacetBasedOnMask extends TitleFacetAbstract {
029        private final MaskFacet maskFacet;
030        private final TitleFacet underlyingTitleFacet;
031    
032        public TitleFacetBasedOnMask(final MaskFacet maskFacet, final TitleFacet underlyingTitleFacet) {
033            super(maskFacet.getFacetHolder());
034            this.maskFacet = maskFacet;
035            this.underlyingTitleFacet = underlyingTitleFacet;
036        }
037    
038        @Override
039        public String title(final ObjectAdapter object, final Localization localization) {
040            final String mask = maskFacet.value();
041            final TitleFacetUsingParser titleFacetUsingParser =
042                (TitleFacetUsingParser) underlyingTitleFacet.getUnderlyingFacet();
043            if (titleFacetUsingParser != null) {
044                final String titleString = titleFacetUsingParser.title(object, mask);
045                return titleString;
046            } else {
047                return underlyingTitleFacet.title(object, localization);
048            }
049        }
050    
051    }