1 files changed, 137 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-model-builder/src/main/java/org/apache/maven/model/management/DefaultPluginManagementInjector.java b/framework/src/maven/apache-maven-3.3.3/maven-model-builder/src/main/java/org/apache/maven/model/management/DefaultPluginManagementInjector.java
new file mode 100644
index 00000000..75d7d878
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-model-builder/src/main/java/org/apache/maven/model/management/DefaultPluginManagementInjector.java
@@ -0,0 +1,137 @@
+package org.apache.maven.model.management;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.maven.model.Build;
+import org.apache.maven.model.Model;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.PluginContainer;
+import org.apache.maven.model.PluginExecution;
+import org.apache.maven.model.PluginManagement;
+import org.apache.maven.model.building.ModelBuildingRequest;
+import org.apache.maven.model.building.ModelProblemCollector;
+import org.apache.maven.model.merge.MavenModelMerger;
+import org.codehaus.plexus.component.annotations.Component;
+
+/**
+ * Handles injection of plugin management into the model.
+ *
+ * @author Benjamin Bentmann
+ */
+@Component( role = PluginManagementInjector.class )
+public class DefaultPluginManagementInjector
+    implements PluginManagementInjector
+{
+
+    private ManagementModelMerger merger = new ManagementModelMerger();
+
+    @Override
+    public void injectManagement( Model model, ModelBuildingRequest request, ModelProblemCollector problems )
+    {
+        merger.mergeManagedBuildPlugins( model );
+    }
+
+    protected static class ManagementModelMerger
+        extends MavenModelMerger
+    {
+
+        public void mergeManagedBuildPlugins( Model model )
+        {
+            Build build = model.getBuild();
+            if ( build != null )
+            {
+                PluginManagement pluginManagement = build.getPluginManagement();
+                if ( pluginManagement != null )
+                {
+                    mergePluginContainer_Plugins( build, pluginManagement );
+                }
+            }
+        }
+
+        private void mergePluginContainer_Plugins( PluginContainer target, PluginContainer source )
+        {
+            List<Plugin> src = source.getPlugins();
+            if ( !src.isEmpty() )
+            {
+                List<Plugin> tgt = target.getPlugins();
+
+                Map<Object, Plugin> managedPlugins = new LinkedHashMap<Object, Plugin>( src.size() * 2 );
+
+                Map<Object, Object> context = Collections.emptyMap();
+
+                for ( Plugin element : src )
+                {
+                    Object key = getPluginKey( element );
+                    managedPlugins.put( key, element );
+                }
+
+                for ( Plugin element : tgt )
+                {
+                    Object key = getPluginKey( element );
+                    Plugin managedPlugin = managedPlugins.get( key );
+                    if ( managedPlugin != null )
+                    {
+                        mergePlugin( element, managedPlugin, false, context );
+                    }
+                }
+            }
+        }
+
+        @Override
+        protected void mergePlugin_Executions( Plugin target, Plugin source, boolean sourceDominant,
+                                               Map<Object, Object> context )
+        {
+            List<PluginExecution> src = source.getExecutions();
+            if ( !src.isEmpty() )
+            {
+                List<PluginExecution> tgt = target.getExecutions();
+
+                Map<Object, PluginExecution> merged =
+                    new LinkedHashMap<Object, PluginExecution>( ( src.size() + tgt.size() ) * 2 );
+
+                for ( PluginExecution element : src )
+                {
+                    Object key = getPluginExecutionKey( element );
+                    merged.put( key, element.clone() );
+                }
+
+                for ( PluginExecution element : tgt )
+                {
+                    Object key = getPluginExecutionKey( element );
+                    PluginExecution existing = merged.get( key );
+                    if ( existing != null )
+                    {
+                        mergePluginExecution( element, existing, sourceDominant, context );
+                    }
+                    merged.put( key, element );
+                }
+
+                target.setExecutions( new ArrayList<PluginExecution>( merged.values() ) );
+            }
+        }
+    }
+
+}