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.icon.method;
021    
022    import java.lang.reflect.Method;
023    
024    import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
025    import org.apache.isis.core.metamodel.adapter.util.AdapterInvokeUtils;
026    import org.apache.isis.core.metamodel.facetapi.FacetHolder;
027    import org.apache.isis.core.metamodel.facets.object.icon.IconFacetAbstract;
028    
029    public class IconFacetViaMethod extends IconFacetAbstract {
030    
031        private final Method method;
032    
033        public IconFacetViaMethod(final Method method, final FacetHolder holder) {
034            super(holder);
035            this.method = method;
036        }
037    
038        @Override
039        public String iconName(final ObjectAdapter owningAdapter) {
040            try {
041                return (String) AdapterInvokeUtils.invoke(method, owningAdapter);
042            } catch (final RuntimeException ex) {
043                return null;
044            }
045        }
046    
047    }