| /* Copyright 2009 Tonny Kohar. |
| * |
| * 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.qi4j.tools.model.util; |
| |
| import org.qi4j.api.composite.ModelDescriptor; |
| import org.qi4j.tools.model.descriptor.ApplicationDetailDescriptor; |
| import org.qi4j.tools.model.descriptor.CompositeDetailDescriptor; |
| import org.qi4j.tools.model.descriptor.EntityDetailDescriptor; |
| import org.qi4j.tools.model.descriptor.LayerDetailDescriptor; |
| import org.qi4j.tools.model.descriptor.ModuleDetailDescriptor; |
| import org.qi4j.tools.model.descriptor.ObjectDetailDescriptor; |
| import org.qi4j.tools.model.descriptor.ServiceDetailDescriptor; |
| import org.qi4j.tools.model.descriptor.TransientDetailDescriptor; |
| import org.qi4j.tools.model.descriptor.ValueDetailDescriptor; |
| |
| import static org.qi4j.functional.Iterables.first; |
| |
| class ServiceConfigurationFinder |
| { |
| public Object findConfigurationDescriptor( ServiceDetailDescriptor descriptor ) |
| { |
| Class<?> configType = descriptor.descriptor().configurationType(); |
| |
| if( configType == null ) |
| { |
| return null; |
| } |
| |
| // traverse the appDescritor to find the configurationDescriptor |
| ApplicationDetailDescriptor appDescriptor = descriptor.module().layer().application(); |
| Object obj = findConfigurationDescriptor( appDescriptor, configType ); |
| if( obj == null ) |
| { |
| return null; |
| } |
| |
| return obj; |
| } |
| |
| private Object findConfigurationDescriptor( ApplicationDetailDescriptor descriptor, Class<?> configType ) |
| { |
| Object configDescriptor = null; |
| for( LayerDetailDescriptor childDescriptor : descriptor.layers() ) |
| { |
| Object obj = findInModules( childDescriptor.modules(), configType ); |
| if( obj != null ) |
| { |
| configDescriptor = obj; |
| break; |
| } |
| } |
| |
| return configDescriptor; |
| } |
| |
| private Object findInModules( Iterable<ModuleDetailDescriptor> iter, Class<?> configType ) |
| { |
| Object configDescriptor = null; |
| |
| for( ModuleDetailDescriptor descriptor : iter ) |
| { |
| Object obj = findInTypes( descriptor.services(), configType ); |
| if( obj != null ) |
| { |
| configDescriptor = obj; |
| break; |
| } |
| |
| obj = findInTypes( descriptor.entities(), configType ); |
| if( obj != null ) |
| { |
| configDescriptor = obj; |
| break; |
| } |
| |
| obj = findInTypes( descriptor.transients(), configType ); |
| if( obj != null ) |
| { |
| configDescriptor = obj; |
| break; |
| } |
| |
| obj = findInTypes( descriptor.values(), configType ); |
| if( obj != null ) |
| { |
| configDescriptor = obj; |
| break; |
| } |
| |
| obj = findInTypes( descriptor.objects(), configType ); |
| if( obj != null ) |
| { |
| configDescriptor = obj; |
| break; |
| } |
| } |
| |
| return configDescriptor; |
| } |
| |
| private Object findInTypes( Iterable iter, Class<?> configType ) |
| { |
| Object configDescriptor = null; |
| |
| for( Object obj : iter ) |
| { |
| ModelDescriptor descriptor; |
| |
| if( obj instanceof ServiceDetailDescriptor ) |
| { |
| descriptor = ( (ServiceDetailDescriptor) obj ).descriptor(); |
| } |
| else if( obj instanceof EntityDetailDescriptor ) |
| { |
| descriptor = ( (EntityDetailDescriptor) obj ).descriptor(); |
| } |
| else if( obj instanceof ValueDetailDescriptor ) |
| { |
| descriptor = ( (ValueDetailDescriptor) obj ).descriptor(); |
| } |
| else if( obj instanceof ObjectDetailDescriptor ) |
| { |
| descriptor = ( (ObjectDetailDescriptor) obj ).descriptor(); |
| } |
| else if( obj instanceof TransientDetailDescriptor ) |
| { |
| descriptor = ( (TransientDetailDescriptor) obj ).descriptor(); |
| } |
| else |
| { |
| descriptor = ( (CompositeDetailDescriptor) obj ).descriptor(); |
| } |
| |
| if( configType.equals( first( descriptor.types() ) ) ) |
| { |
| configDescriptor = obj; |
| break; |
| } |
| } |
| |
| return configDescriptor; |
| } |
| } |