001 /*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2008-2017 the original author or authors.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * 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, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.codehaus.griffon.runtime.groovy.mvc;
019
020 import griffon.core.ApplicationClassLoader;
021 import griffon.core.GriffonApplication;
022 import griffon.core.mvc.MVCGroup;
023 import griffon.util.BuilderCustomizer;
024 import griffon.util.CompositeBuilder;
025 import griffon.util.Instantiator;
026 import groovy.util.FactoryBuilderSupport;
027 import org.codehaus.griffon.runtime.core.mvc.DefaultMVCGroupManager;
028 import org.slf4j.Logger;
029 import org.slf4j.LoggerFactory;
030
031 import javax.annotation.Nonnull;
032 import javax.inject.Inject;
033 import java.util.Collection;
034 import java.util.Map;
035
036 import static griffon.core.GriffonExceptionHandler.sanitize;
037 import static griffon.util.AnnotationUtils.sortByDependencies;
038 import static org.codehaus.griffon.runtime.groovy.mvc.GroovyAwareMVCGroup.BUILDER;
039 import static org.codehaus.griffon.runtime.groovy.mvc.GroovyAwareMVCGroup.CURRENT_MVCGROUP;
040
041 /**
042 * @author Andres Almiray
043 */
044 public class GroovyAwareMVCGroupManager extends DefaultMVCGroupManager {
045 private static final Logger LOG = LoggerFactory.getLogger(DefaultMVCGroupManager.class);
046 private static final String BUILDER_CUSTOMIZER = "BuilderCustomizer";
047
048 @Inject
049 public GroovyAwareMVCGroupManager(@Nonnull GriffonApplication application, @Nonnull ApplicationClassLoader applicationClassLoader, @Nonnull Instantiator instantiator) {
050 super(application, applicationClassLoader, instantiator);
051 }
052
053 @Nonnull
054 @Override
055 @SuppressWarnings("unchecked")
056 protected Map<String, Object> instantiateMembers(@Nonnull Map<String, ClassHolder> classMap, @Nonnull Map<String, Object> args) {
057 Map<String, Object> map = super.instantiateMembers(classMap, args);
058 FactoryBuilderSupport builder = createBuilder(getApplication());
059 map.put(BUILDER, builder);
060 return map;
061 }
062
063 @Nonnull
064 protected FactoryBuilderSupport createBuilder(@Nonnull GriffonApplication application) {
065 Collection<BuilderCustomizer> customizers = resolveBuilderCustomizers(application);
066 return new CompositeBuilder(customizers.toArray(new BuilderCustomizer[customizers.size()]));
067 }
068
069 @Override
070 @SuppressWarnings("ConstantConditions")
071 protected void adjustMvcArguments(@Nonnull MVCGroup group, @Nonnull Map<String, Object> args) {
072 super.adjustMvcArguments(group, args);
073 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
074 args.put(BUILDER, builder);
075 for (Map.Entry<String, Object> variable : args.entrySet()) {
076 builder.setVariable(variable.getKey(), variable.getValue());
077 }
078 }
079
080 @Override
081 protected void initializeMembers(@Nonnull MVCGroup group, @Nonnull Map<String, Object> args) {
082 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
083 builder.setVariable(CURRENT_MVCGROUP, group);
084 super.initializeMembers(group, args);
085 }
086
087 @Override
088 protected void destroyMembers(@Nonnull MVCGroup group, boolean fireDestructionEvents) {
089 super.destroyMembers(group, fireDestructionEvents);
090
091 try {
092 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
093 if (builder != null) {
094 builder.dispose();
095 builder.getVariables().clear();
096 }
097 } catch (Exception e) {
098 // TODO find out why this call breaks applet mode on shutdown
099 LOG.error("Application encountered an error while destroying group '" + group.getMvcId() + "'", sanitize(e));
100 }
101 }
102
103 @Nonnull
104 protected Collection<BuilderCustomizer> resolveBuilderCustomizers(@Nonnull GriffonApplication application) {
105 Collection<BuilderCustomizer> customizerInstances = application.getInjector().getInstances(BuilderCustomizer.class);
106 return sortByDependencies(customizerInstances, BUILDER_CUSTOMIZER, "customizer").values();
107 }
108 }
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