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.metamodel.interactions;
021
022import java.util.List;
023
024import org.apache.isis.core.metamodel.consent.InteractionResult;
025import org.apache.isis.core.metamodel.consent.InteractionResultSet;
026import org.apache.isis.core.metamodel.facetapi.Facet;
027import org.apache.isis.core.metamodel.facetapi.FacetFilters;
028import org.apache.isis.core.metamodel.facetapi.FacetHolder;
029
030public final class InteractionUtils {
031
032    private InteractionUtils() {
033    }
034
035    public static InteractionResult isVisibleResult(final FacetHolder facetHolder, final VisibilityContext<?> context) {
036        final InteractionResult result = new InteractionResult(context.createInteractionEvent());
037        final List<Facet> facets = facetHolder.getFacets(FacetFilters.isA(HidingInteractionAdvisor.class));
038        for (final Facet facet : facets) {
039            final HidingInteractionAdvisor advisor = (HidingInteractionAdvisor) facet;
040            result.advise(advisor.hides(context), advisor);
041        }
042        return result;
043    }
044
045    public static InteractionResultSet isVisibleResultSet(final FacetHolder facetHolder, final VisibilityContext<?> context, final InteractionResultSet resultSet) {
046        return resultSet.add(isVisibleResult(facetHolder, context));
047    }
048
049    public static InteractionResult isUsableResult(final FacetHolder facetHolder, final UsabilityContext<?> context) {
050        final InteractionResult result = new InteractionResult(context.createInteractionEvent());
051        final List<Facet> facets = facetHolder.getFacets(FacetFilters.isA(DisablingInteractionAdvisor.class));
052        for (final Facet facet : facets) {
053            final DisablingInteractionAdvisor advisor = (DisablingInteractionAdvisor) facet;
054            final String disables = advisor.disables(context);
055            result.advise(disables, advisor);
056        }
057        return result;
058    }
059
060    public static InteractionResultSet isUsableResultSet(final FacetHolder facetHolder, final UsabilityContext<?> context, final InteractionResultSet resultSet) {
061        return resultSet.add(isUsableResult(facetHolder, context));
062    }
063
064    public static InteractionResult isValidResult(final FacetHolder facetHolder, final ValidityContext<?> context) {
065        final InteractionResult result = new InteractionResult(context.createInteractionEvent());
066        final List<Facet> facets = facetHolder.getFacets(FacetFilters.isA(ValidatingInteractionAdvisor.class));
067        for (final Facet facet : facets) {
068            final ValidatingInteractionAdvisor advisor = (ValidatingInteractionAdvisor) facet;
069            result.advise(advisor.invalidates(context), advisor);
070        }
071        return result;
072    }
073
074    public static InteractionResultSet isValidResultSet(final FacetHolder facetHolder, final ValidityContext<?> context, final InteractionResultSet resultSet) {
075        return resultSet.add(isValidResult(facetHolder, context));
076    }
077
078}