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.actions.notinservicemenu.method;
021
022import java.lang.reflect.Method;
023
024import org.apache.isis.applib.events.VisibilityEvent;
025import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
026import org.apache.isis.core.metamodel.adapter.util.AdapterInvokeUtils;
027import org.apache.isis.core.metamodel.facetapi.FacetHolder;
028import org.apache.isis.core.metamodel.interactions.VisibilityContext;
029import org.apache.isis.core.progmodel.facets.actions.notinservicemenu.NotInServiceMenuFacetAbstract;
030
031public class NotInServiceMenuFacetMethod extends NotInServiceMenuFacetAbstract {
032
033    private final Method notInServiceMenuMethod;
034
035    public NotInServiceMenuFacetMethod(final Method notInServiceMenuMethod, final FacetHolder holder) {
036        super(holder);
037        this.notInServiceMenuMethod = notInServiceMenuMethod;
038    }
039
040    @Override
041    public String hides(final VisibilityContext<? extends VisibilityEvent> ic) {
042        final ObjectAdapter owningAdapter = ic.getTarget();
043        if (owningAdapter == null) {
044            return null;
045        }
046        final Boolean currentlyHidden = (Boolean) AdapterInvokeUtils.invoke(notInServiceMenuMethod, owningAdapter);
047        return currentlyHidden.booleanValue() ? "notInServiceMenuXxx() method returning true" : null;
048    }
049
050}