| /* |
| * Copyright (c) 2008-2011, Rickard Öberg. All Rights Reserved. |
| * Copyright (c) 2008-2013, Niclas Hedhman. All Rights Reserved. |
| * Copyright (c) 2012-2014, Paul Merlin. All Rights Reserved. |
| * |
| * Licensed 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.zest.runtime.service; |
| |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.Proxy; |
| import org.apache.zest.api.common.MetaInfo; |
| import org.apache.zest.api.common.Visibility; |
| import org.apache.zest.api.service.ImportedServiceDescriptor; |
| import org.apache.zest.api.service.ServiceImporter; |
| import org.apache.zest.api.service.ServiceImporterException; |
| import org.apache.zest.api.structure.Module; |
| import org.apache.zest.functional.HierarchicalVisitor; |
| import org.apache.zest.functional.VisitableHierarchy; |
| import org.apache.zest.runtime.activation.ActivatorsInstance; |
| import org.apache.zest.runtime.activation.ActivatorsModel; |
| |
| import static org.apache.zest.functional.Iterables.iterable; |
| |
| /** |
| * JAVADOC |
| */ |
| public final class ImportedServiceModel |
| implements ImportedServiceDescriptor, VisitableHierarchy<Object, Object> |
| { |
| private final Class<?> type; |
| private final Visibility visibility; |
| @SuppressWarnings( "raw" ) |
| private final Class<? extends ServiceImporter> serviceImporter; |
| private final String identity; |
| private final boolean importOnStartup; |
| private final MetaInfo metaInfo; |
| private final ActivatorsModel<?> activatorsModel; |
| private final String moduleName; |
| |
| @SuppressWarnings( "raw" ) |
| public ImportedServiceModel( Class serviceType, |
| Visibility visibility, |
| Class<? extends ServiceImporter> serviceImporter, |
| String identity, |
| boolean importOnStartup, |
| MetaInfo metaInfo, |
| ActivatorsModel<?> activatorsModel, |
| String moduleName |
| ) |
| { |
| type = serviceType; |
| this.visibility = visibility; |
| this.serviceImporter = serviceImporter; |
| this.identity = identity; |
| this.importOnStartup = importOnStartup; |
| this.metaInfo = metaInfo; |
| this.activatorsModel = activatorsModel; |
| this.moduleName = moduleName; |
| } |
| |
| public boolean isImportOnStartup() |
| { |
| return importOnStartup; |
| } |
| |
| @Override |
| @SuppressWarnings( "unchecked" ) |
| public Iterable<Class<?>> types() |
| { |
| Iterable<? extends Class<?>> iterable = iterable( type ); |
| return (Iterable<Class<?>>) iterable; |
| } |
| |
| @Override |
| public Visibility visibility() |
| { |
| return visibility; |
| } |
| |
| @Override |
| public <T> T metaInfo( Class<T> infoType ) |
| { |
| return metaInfo.get( infoType ); |
| } |
| |
| @Override |
| @SuppressWarnings( "raw" ) |
| public Class<? extends ServiceImporter> serviceImporter() |
| { |
| return serviceImporter; |
| } |
| |
| @Override |
| public Class<?> type() |
| { |
| return type; |
| } |
| |
| @Override |
| public String identity() |
| { |
| return identity; |
| } |
| |
| public String moduleName() |
| { |
| return moduleName; |
| } |
| |
| @SuppressWarnings( {"raw", "unchecked"} ) |
| public ActivatorsInstance<?> newActivatorsInstance( Module module ) |
| throws Exception |
| { |
| return new ActivatorsInstance( activatorsModel.newInstances( module ) ); |
| } |
| |
| @Override |
| public boolean isAssignableTo( Class<?> type ) |
| { |
| return this.type.isAssignableFrom( type ); |
| } |
| |
| @Override |
| public <ThrowableType extends Throwable> boolean accept( HierarchicalVisitor<? super Object, ? super Object, ThrowableType> visitor ) |
| throws ThrowableType |
| { |
| if( visitor.visitEnter( this ) ) |
| { |
| activatorsModel.accept( visitor ); |
| } |
| return visitor.visitLeave( this ); |
| } |
| |
| @SuppressWarnings( {"raw", "unchecked"} ) |
| public <T> ImportedServiceInstance<T> importInstance( Module module ) |
| { |
| ServiceImporter importer = module.newObject( serviceImporter ); |
| try |
| { |
| T instance = (T) importer.importService( this ); |
| return new ImportedServiceInstance<>( instance, importer ); |
| } |
| catch( ServiceImporterException e ) |
| { |
| throw e; |
| } |
| catch( Exception e ) |
| { |
| throw new ServiceImporterException( "Could not import service " + identity, e ); |
| } |
| } |
| |
| @SuppressWarnings( "raw" ) |
| public Object newProxy( InvocationHandler serviceInvocationHandler ) |
| { |
| if( type.isInterface() ) |
| { |
| return Proxy.newProxyInstance( type.getClassLoader(), |
| new Class[]{ type }, |
| serviceInvocationHandler ); |
| } |
| else |
| { |
| Class[] interfaces = type.getInterfaces(); |
| return Proxy.newProxyInstance( type.getClassLoader(), |
| interfaces, |
| serviceInvocationHandler ); |
| } |
| } |
| |
| @Override |
| public String toString() |
| { |
| return type.getName() + ":" + identity; |
| } |
| } |