001 /*
002 * Copyright 2008-2017 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 griffon.util.Instantiator;
024 import groovy.util.FactoryBuilderSupport;
025 import org.codehaus.griffon.runtime.core.mvc.DefaultMVCGroupManager;
026 import org.slf4j.Logger;
027 import org.slf4j.LoggerFactory;
028
029 import javax.annotation.Nonnull;
030 import javax.inject.Inject;
031 import java.util.Collection;
032 import java.util.Map;
033
034 import static griffon.core.GriffonExceptionHandler.sanitize;
035 import static griffon.util.AnnotationUtils.sortByDependencies;
036 import static org.codehaus.griffon.runtime.groovy.mvc.GroovyAwareMVCGroup.BUILDER;
037 import static org.codehaus.griffon.runtime.groovy.mvc.GroovyAwareMVCGroup.CURRENT_MVCGROUP;
038
039 /**
040 * @author Andres Almiray
041 */
042 public class GroovyAwareMVCGroupManager extends DefaultMVCGroupManager {
043 private static final Logger LOG = LoggerFactory.getLogger(DefaultMVCGroupManager.class);
044 private static final String BUILDER_CUSTOMIZER = "BuilderCustomizer";
045
046 @Inject
047 public GroovyAwareMVCGroupManager(@Nonnull GriffonApplication application, @Nonnull ApplicationClassLoader applicationClassLoader, @Nonnull Instantiator instantiator) {
048 super(application, applicationClassLoader, instantiator);
049 }
050
051 @Nonnull
052 @Override
053 @SuppressWarnings("unchecked")
054 protected Map<String, Object> instantiateMembers(@Nonnull Map<String, ClassHolder> classMap, @Nonnull Map<String, Object> args) {
055 Map<String, Object> map = super.instantiateMembers(classMap, args);
056 FactoryBuilderSupport builder = createBuilder(getApplication());
057 map.put(BUILDER, builder);
058 return map;
059 }
060
061 @Nonnull
062 protected FactoryBuilderSupport createBuilder(@Nonnull GriffonApplication application) {
063 Collection<BuilderCustomizer> customizers = resolveBuilderCustomizers(application);
064 return new CompositeBuilder(customizers.toArray(new BuilderCustomizer[customizers.size()]));
065 }
066
067 @Override
068 @SuppressWarnings("ConstantConditions")
069 protected void adjustMvcArguments(@Nonnull MVCGroup group, @Nonnull Map<String, Object> args) {
070 super.adjustMvcArguments(group, args);
071 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
072 args.put(BUILDER, builder);
073 for (Map.Entry<String, Object> variable : args.entrySet()) {
074 builder.setVariable(variable.getKey(), variable.getValue());
075 }
076 }
077
078 @Override
079 protected void initializeMembers(@Nonnull MVCGroup group, @Nonnull Map<String, Object> args) {
080 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
081 builder.setVariable(CURRENT_MVCGROUP, group);
082 super.initializeMembers(group, args);
083 }
084
085 @Override
086 protected void destroyMembers(@Nonnull MVCGroup group, boolean fireDestructionEvents) {
087 super.destroyMembers(group, fireDestructionEvents);
088
089 try {
090 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
091 if (builder != null) {
092 builder.dispose();
093 builder.getVariables().clear();
094 }
095 } catch (Exception e) {
096 // TODO find out why this call breaks applet mode on shutdown
097 LOG.error("Application encountered an error while destroying group '" + group.getMvcId() + "'", sanitize(e));
098 }
099 }
100
101 @Nonnull
102 protected Collection<BuilderCustomizer> resolveBuilderCustomizers(@Nonnull GriffonApplication application) {
103 Collection<BuilderCustomizer> customizerInstances = application.getInjector().getInstances(BuilderCustomizer.class);
104 return sortByDependencies(customizerInstances, BUILDER_CUSTOMIZER, "customizer").values();
105 }
106 }
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