001 /*
002 * Copyright 2008-2015 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.artifact.GriffonArtifact;
021 import griffon.core.mvc.MVCGroup;
022 import griffon.core.mvc.MVCGroupConfiguration;
023 import griffon.util.BuilderCustomizer;
024 import griffon.util.CompositeBuilder;
025 import groovy.lang.Script;
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.annotation.Nullable;
033 import javax.inject.Inject;
034 import java.util.Collection;
035 import java.util.Map;
036
037 import static griffon.core.GriffonExceptionHandler.sanitize;
038 import static griffon.util.AnnotationUtils.sortByDependencies;
039 import static org.codehaus.griffon.runtime.groovy.mvc.GroovyAwareMVCGroup.BUILDER;
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) {
050 super(application, applicationClassLoader);
051 }
052
053 @Nonnull
054 @Override
055 public MVCGroup newMVCGroup(@Nonnull MVCGroupConfiguration configuration, @Nullable String mvcId, @Nonnull Map<String, Object> members, @Nullable MVCGroup parentGroup) {
056 return new GroovyAwareMVCGroup(this, configuration, mvcId, members, parentGroup);
057 }
058
059 @Nonnull
060 @Override
061 @SuppressWarnings("unchecked")
062 protected Map<String, Object> instantiateMembers(@Nonnull Map<String, ClassHolder> classMap, @Nonnull Map<String, Object> args) {
063 Map<String, Object> map = super.instantiateMembers(classMap, args);
064 FactoryBuilderSupport builder = createBuilder(getApplication());
065 map.put(BUILDER, builder);
066
067 for (Object member : map.values()) {
068 // all scripts get the builder as their binding
069 if (member instanceof Script) {
070 builder.getVariables().putAll(((Script) member).getBinding().getVariables());
071 ((Script) member).setBinding(builder);
072 }
073 }
074
075 return map;
076 }
077
078 @Nonnull
079 protected FactoryBuilderSupport createBuilder(@Nonnull GriffonApplication application) {
080 Collection<BuilderCustomizer> customizers = resolveBuilderCustomizers(application);
081 return new CompositeBuilder(customizers.toArray(new BuilderCustomizer[customizers.size()]));
082 }
083
084 @Override
085 @SuppressWarnings("ConstantConditions")
086 protected void adjustMvcArguments(@Nonnull MVCGroup group, @Nonnull Map<String, Object> args) {
087 super.adjustMvcArguments(group, args);
088 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
089 args.put(BUILDER, builder);
090 for (Map.Entry<String, Object> variable : args.entrySet()) {
091 builder.setVariable(variable.getKey(), variable.getValue());
092 }
093 }
094
095 @Override
096 @SuppressWarnings("unchecked")
097 protected void fillNonArtifactMemberProperties(@Nonnull String type, @Nonnull Object member, @Nonnull Map<String, Object> args) {
098 if (member instanceof Script) {
099 ((Script) member).getBinding().getVariables().putAll(args);
100 }
101 }
102
103 @Override
104 protected void initializeArtifactMember(@Nonnull MVCGroup group, @Nonnull String type, @Nonnull GriffonArtifact member, @Nonnull Map<String, Object> args) {
105 if (member instanceof Script) {
106 ((GroovyAwareMVCGroup) group).buildScriptMember(type);
107 } else {
108 super.initializeArtifactMember(group, type, member, args);
109 }
110 }
111
112 @Override
113 protected void initializeNonArtifactMember(@Nonnull MVCGroup group, @Nonnull String type, @Nonnull Object member, @Nonnull Map<String, Object> args) {
114 if (member instanceof Script) {
115 ((GroovyAwareMVCGroup) group).buildScriptMember(type);
116 } else {
117 super.initializeNonArtifactMember(group, type, member, args);
118 }
119 }
120
121 @Override
122 protected void destroyMembers(@Nonnull MVCGroup group, boolean fireDestructionEvents) {
123 super.destroyMembers(group, fireDestructionEvents);
124
125 try {
126 FactoryBuilderSupport builder = (FactoryBuilderSupport) group.getMember(BUILDER);
127 if (builder != null) {
128 builder.dispose();
129 builder.getVariables().clear();
130 }
131 } catch (Exception e) {
132 // TODO find out why this call breaks applet mode on shutdown
133 LOG.error("Application encountered an error while destroying group '" + group.getMvcId() + "'", sanitize(e));
134 }
135 }
136
137 @Nonnull
138 protected Collection<BuilderCustomizer> resolveBuilderCustomizers(@Nonnull GriffonApplication application) {
139 Collection<BuilderCustomizer> customizerInstances = application.getInjector().getInstances(BuilderCustomizer.class);
140 return sortByDependencies(customizerInstances, BUILDER_CUSTOMIZER, "customizer").values();
141 }
142 }
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