001 /*
002 * Copyright 2008-2016 the original author or authors.
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 */
016 package org.codehaus.griffon.runtime.groovy.mvc;
017
018 import griffon.core.ApplicationClassLoader;
019 import griffon.core.GriffonApplication;
020 import griffon.core.mvc.MVCGroup;
021 import griffon.util.BuilderCustomizer;
022 import griffon.util.CompositeBuilder;
023 import groovy.util.FactoryBuilderSupport;
024 import org.codehaus.griffon.runtime.core.mvc.DefaultMVCGroupManager;
025 import org.slf4j.Logger;
026 import org.slf4j.LoggerFactory;
027
028 import javax.annotation.Nonnull;
029 import javax.inject.Inject;
030 import java.util.Collection;
031 import java.util.Map;
032
033 import static griffon.core.GriffonExceptionHandler.sanitize;
034 import static griffon.util.AnnotationUtils.sortByDependencies;
035 import static org.codehaus.griffon.runtime.groovy.mvc.GroovyAwareMVCGroup.BUILDER;
036 import static org.codehaus.griffon.runtime.groovy.mvc.GroovyAwareMVCGroup.CURRENT_MVCGROUP;
037
038 /**
039 * @author Andres Almiray
040 */
041 public class GroovyAwareMVCGroupManager extends DefaultMVCGroupManager {
042 private static final Logger LOG = LoggerFactory.getLogger(DefaultMVCGroupManager.class);
043 private static final String BUILDER_CUSTOMIZER = "BuilderCustomizer";
044
045 @Inject
046 public GroovyAwareMVCGroupManager(@Nonnull GriffonApplication application, @Nonnull ApplicationClassLoader applicationClassLoader) {
047 super(application, applicationClassLoader);
048 }
049
050 @Nonnull
051 @Override
052 @SuppressWarnings("unchecked")
053 protected Map<String, Object> instantiateMembers(@Nonnull Map<String, ClassHolder> classMap, @Nonnull Map<String, Object> args) {
054 Map<String, Object> map = super.instantiateMembers(classMap, args);
055 FactoryBuilderSupport builder = createBuilder(getApplication());
056 map.put(BUILDER, builder);
057 return map;
058 }
059
060 @Nonnull
061 protected FactoryBuilderSupport createBuilder(@Nonnull GriffonApplication application) {
062 Collection<BuilderCustomizer> customizers = resolveBuilderCustomizers(application);
063 return new CompositeBuilder(customizers.toArray(new BuilderCustomizer[customizers.size()]));
064 }
065
066 @Override
067 @SuppressWarnings("ConstantConditions")
068 protected void adjustMvcArguments(@Nonnull MVCGroup group, @Nonnull Map<String, Object> args) {
069 super.adjustMvcArguments(group, args);
070 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
071 args.put(BUILDER, builder);
072 for (Map.Entry<String, Object> variable : args.entrySet()) {
073 builder.setVariable(variable.getKey(), variable.getValue());
074 }
075 }
076
077 @Override
078 protected void initializeMembers(@Nonnull MVCGroup group, @Nonnull Map<String, Object> args) {
079 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
080 builder.setVariable(CURRENT_MVCGROUP, group);
081 super.initializeMembers(group, args);
082 }
083
084 @Override
085 protected void destroyMembers(@Nonnull MVCGroup group, boolean fireDestructionEvents) {
086 super.destroyMembers(group, fireDestructionEvents);
087
088 try {
089 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
090 if (builder != null) {
091 builder.dispose();
092 builder.getVariables().clear();
093 }
094 } catch (Exception e) {
095 // TODO find out why this call breaks applet mode on shutdown
096 LOG.error("Application encountered an error while destroying group '" + group.getMvcId() + "'", sanitize(e));
097 }
098 }
099
100 @Nonnull
101 protected Collection<BuilderCustomizer> resolveBuilderCustomizers(@Nonnull GriffonApplication application) {
102 Collection<BuilderCustomizer> customizerInstances = application.getInjector().getInstances(BuilderCustomizer.class);
103 return sortByDependencies(customizerInstances, BUILDER_CUSTOMIZER, "customizer").values();
104 }
105 }
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