| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| * |
| */ |
| package org.apache.polygene.tools.model.descriptor; |
| |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Objects; |
| import javax.json.Json; |
| import javax.json.JsonArrayBuilder; |
| import javax.json.JsonObject; |
| import javax.json.JsonObjectBuilder; |
| import org.apache.polygene.api.structure.LayerDescriptor; |
| import org.apache.polygene.api.util.HierarchicalVisitor; |
| import org.apache.polygene.api.util.VisitableHierarchy; |
| |
| /** |
| * Layer Detail Descriptor. |
| * <p> |
| * Visitable hierarchy with Activators and Modules children. |
| */ |
| public final class LayerDetailDescriptor |
| implements ActivateeDetailDescriptor, VisitableHierarchy<Object, Object> |
| { |
| private final LayerDescriptor descriptor; |
| private ApplicationDetailDescriptor application; |
| private final List<LayerDetailDescriptor> usedLayers = new LinkedList<>(); |
| private final List<ActivatorDetailDescriptor> activators = new LinkedList<>(); |
| private final List<ModuleDetailDescriptor> modules = new LinkedList<>(); |
| |
| LayerDetailDescriptor( LayerDescriptor descriptor ) |
| throws IllegalArgumentException |
| { |
| Objects.requireNonNull( descriptor, "LayerDescriptor" ); |
| this.descriptor = descriptor; |
| } |
| |
| /** |
| * @return Descriptor of this {@code LayerDetailDescriptor}. Never return {@code null}. |
| * |
| * @since 0.5 |
| */ |
| public final LayerDescriptor descriptor() |
| { |
| return descriptor; |
| } |
| |
| /** |
| * @return Used layers of this {@code LayerDetailDescriptor}. Never return {@code null}. |
| * |
| * @since 0.5 |
| */ |
| public final Iterable<LayerDetailDescriptor> usedLayers() |
| { |
| return usedLayers; |
| } |
| |
| /** |
| * @return Layers that used this layer. |
| */ |
| public final List<LayerDetailDescriptor> usedBy() |
| { |
| List<LayerDetailDescriptor> usedBy = new LinkedList<>(); |
| for( LayerDetailDescriptor layer : application.layers() ) |
| { |
| if( layer.usedLayers.contains( this ) ) |
| { |
| usedBy.add( layer ); |
| } |
| } |
| return usedBy; |
| } |
| |
| @Override |
| public Iterable<ActivatorDetailDescriptor> activators() |
| { |
| return activators; |
| } |
| |
| /** |
| * @return Modules of this {@code LayerDetailDescriptor}. Never return {@code null}. |
| */ |
| public final Iterable<ModuleDetailDescriptor> modules() |
| { |
| return modules; |
| } |
| |
| /** |
| * @return Application that owns this {@code LayerDetailDescriptor}. Never return {@code null}. |
| */ |
| public final ApplicationDetailDescriptor application() |
| { |
| return application; |
| } |
| |
| final void setApplication( ApplicationDetailDescriptor descriptor ) |
| { |
| Objects.requireNonNull( descriptor, "ApplicationDetailDescriptor" ); |
| application = descriptor; |
| } |
| |
| final void addActivator( ActivatorDetailDescriptor descriptor ) |
| { |
| Objects.requireNonNull( descriptor, "ActivatorDetailDescriptor" ); |
| descriptor.setLayer( this ); |
| activators.add( descriptor ); |
| } |
| |
| final void addUsedLayer( LayerDetailDescriptor descriptor ) |
| { |
| Objects.requireNonNull( descriptor, "LayerDetailDescriptor" ); |
| usedLayers.add( descriptor ); |
| } |
| |
| final void addModule( ModuleDetailDescriptor descriptor ) |
| { |
| Objects.requireNonNull( descriptor, "ModuleDetailDescriptor" ); |
| descriptor.setLayer( this ); |
| modules.add( descriptor ); |
| } |
| |
| @Override |
| public <ThrowableType extends Throwable> boolean accept( HierarchicalVisitor<? super Object, ? super Object, ThrowableType> visitor ) |
| throws ThrowableType |
| { |
| if( visitor.visitEnter( this ) ) |
| { |
| for( ActivatorDetailDescriptor activator : activators ) |
| { |
| if( !activator.accept( visitor ) ) |
| { |
| break; |
| } |
| } |
| for( ModuleDetailDescriptor module : modules ) |
| { |
| if( !module.accept( visitor ) ) |
| { |
| break; |
| } |
| } |
| } |
| return visitor.visitLeave( this ); |
| } |
| |
| @Override |
| public final String toString() |
| { |
| return descriptor.name(); |
| } |
| |
| public JsonObject toJson() |
| { |
| JsonObjectBuilder builder = Json.createObjectBuilder(); |
| builder.add( "name", descriptor().name() ); |
| { |
| JsonArrayBuilder modulesBuilder = Json.createArrayBuilder(); |
| modules().forEach( module -> modulesBuilder.add( module.toJson() ) ); |
| builder.add( "modules", modulesBuilder.build() ); |
| } |
| |
| { |
| JsonArrayBuilder usedLayersBuilder = Json.createArrayBuilder(); |
| usedLayers().forEach( layer -> usedLayersBuilder.add( layer.descriptor().name() ) ); |
| builder.add( "usedLayers", usedLayersBuilder.build() ); |
| } |
| |
| { |
| JsonArrayBuilder activatorsBuilder = Json.createArrayBuilder(); |
| activators().forEach( activator -> activatorsBuilder.add( activator.toJson() ) ); |
| builder.add( "activators", activatorsBuilder.build() ); |
| } |
| |
| return builder.build(); |
| } |
| } |