001/**
002 * Copyright 2013 John Ericksen
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *    http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.androidtransfuse.analysis.module;
017
018import org.androidtransfuse.ConfigurationRepository;
019import org.androidtransfuse.TransfuseAnalysisException;
020import org.androidtransfuse.TransfusePlugin;
021import org.androidtransfuse.adapter.ASTAnnotation;
022import org.androidtransfuse.adapter.ASTType;
023import org.androidtransfuse.analysis.repository.InjectionNodeBuilderRepository;
024import org.androidtransfuse.bootstrap.Bootstrap;
025import org.androidtransfuse.bootstrap.Bootstraps;
026import org.androidtransfuse.scope.Scopes;
027
028import javax.inject.Inject;
029
030/**
031 * @author John Ericksen
032 */
033public class PluginProcessor implements TypeProcessor {
034
035    private final ConfigurationRepository repository;
036    private final Scopes scopes;
037
038    @Inject
039    public PluginProcessor(ConfigurationRepository repository, Scopes scopes) {
040        this.repository = repository;
041        this.scopes = scopes;
042    }
043
044    @Override
045    public ModuleConfiguration process(ASTType moduleType, ASTAnnotation typeAnnotation) {
046
047        final ASTType pluginType = typeAnnotation.getProperty("value", ASTType.class);
048
049        return new ModuleConfiguration() {
050            @Override
051            public void setConfiguration(InjectionNodeBuilderRepository configurationRepository) {
052                try {
053                    Class<TransfusePlugin> pluginClass = (Class<TransfusePlugin>) Class.forName(pluginType.getName());
054                    TransfusePlugin plugin = pluginClass.newInstance();
055                    if(pluginClass.isAnnotationPresent(Bootstrap.class)) {
056                        Bootstraps.getInjector(pluginClass).inject(scopes, plugin);
057                    }
058                    plugin.run(repository);
059                } catch (InstantiationException e) {
060                    throw new TransfuseAnalysisException("Unable to instantiate", e);
061                } catch (IllegalAccessException e) {
062                    throw new TransfuseAnalysisException("IllegalAccessException", e);
063                } catch (ClassNotFoundException e) {
064                    throw new TransfuseAnalysisException("ClassNotFoundException", e);
065                }
066            }
067        };
068    }
069}