1 files changed, 158 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/eventspy/internal/EventSpyDispatcher.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/eventspy/internal/EventSpyDispatcher.java
new file mode 100644
index 00000000..d44642d1
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/eventspy/internal/EventSpyDispatcher.java
@@ -0,0 +1,158 @@
+package org.apache.maven.eventspy.internal;
+
+/*
+ * 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.List;
+
+import org.apache.maven.eventspy.EventSpy;
+import org.apache.maven.execution.ExecutionListener;
+import org.codehaus.plexus.component.annotations.Component;
+import org.codehaus.plexus.component.annotations.Requirement;
+import org.codehaus.plexus.logging.Logger;
+import org.eclipse.aether.RepositoryListener;
+
+/**
+ * Dispatches callbacks to all registered eventspies.
+ * @since 3.0.2
+ */
+@Component( role = EventSpyDispatcher.class )
+public class EventSpyDispatcher
+{
+
+    @Requirement
+    private Logger logger;
+
+    @Requirement( role = EventSpy.class )
+    private List<EventSpy> eventSpies;
+
+    public void setEventSpies( List<EventSpy> eventSpies )
+    {
+        // make copy to get rid of needless overhead for dynamic lookups
+        this.eventSpies = new ArrayList<EventSpy>( eventSpies );
+    }
+
+    public List<EventSpy> getEventSpies()
+    {
+        return eventSpies;
+    }
+
+    public ExecutionListener chainListener( ExecutionListener listener )
+    {
+        if ( eventSpies.isEmpty() )
+        {
+            return listener;
+        }
+        return new EventSpyExecutionListener( this, listener );
+    }
+
+    public RepositoryListener chainListener( RepositoryListener listener )
+    {
+        if ( eventSpies.isEmpty() )
+        {
+            return listener;
+        }
+        return new EventSpyRepositoryListener( this, listener );
+    }
+
+    public void init( EventSpy.Context context )
+    {
+        if ( eventSpies.isEmpty() )
+        {
+            return;
+        }
+        for ( EventSpy eventSpy : eventSpies )
+        {
+            try
+            {
+                eventSpy.init( context );
+            }
+            catch ( Exception e )
+            {
+                logError( "initialize", e, eventSpy );
+            }
+            catch ( LinkageError e )
+            {
+                logError( "initialize", e, eventSpy );
+            }
+        }
+    }
+
+    public void onEvent( Object event )
+    {
+        if ( eventSpies.isEmpty() )
+        {
+            return;
+        }
+        for ( EventSpy eventSpy : eventSpies )
+        {
+            try
+            {
+                eventSpy.onEvent( event );
+            }
+            catch ( Exception e )
+            {
+                logError( "notify", e, eventSpy );
+            }
+            catch ( LinkageError e )
+            {
+                logError( "notify", e, eventSpy );
+            }
+        }
+    }
+
+    public void close()
+    {
+        if ( eventSpies.isEmpty() )
+        {
+            return;
+        }
+        for ( EventSpy eventSpy : eventSpies )
+        {
+            try
+            {
+                eventSpy.close();
+            }
+            catch ( Exception e )
+            {
+                logError( "close", e, eventSpy );
+            }
+            catch ( LinkageError e )
+            {
+                logError( "close", e, eventSpy );
+            }
+        }
+    }
+
+    private void logError( String action, Throwable e, EventSpy spy )
+    {
+        String msg = "Failed to " + action + " spy " + spy.getClass().getName() + ": " + e.getMessage();
+
+        if ( logger.isDebugEnabled() )
+        {
+            logger.warn( msg, e );
+        }
+        else
+        {
+            logger.warn( msg );
+        }
+    }
+
+}