[MNG-4678] CLI: AbstractConsoleDownloadMonitor, BatchModeDownloadMonitor output download progress to STDOUT

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-3/trunk@947404 13f79535-47bb-0310-9956-ffa450edef68

maven-embedder/src/main/java/org/apache/maven/cli/MavenCli.java

@@ -747,7 +747,11 @@ else if ( profileAction.startsWith( "+" ) )
 
         ArtifactTransferListener transferListener;
 
-        if ( request.isInteractiveMode() )
+        if ( quiet )
+        {
+            transferListener = new QuietMavenTransferListener( cliRequest.stdout );
+        }
+        else if ( request.isInteractiveMode() )
         {
             transferListener = new ConsoleMavenTransferListener( cliRequest.stdout );
         }

maven-embedder/src/main/java/org/apache/maven/cli/QuietMavenTransferListener.java

@@ -0,0 +1,44 @@
+package org.apache.maven.cli;
+
+/*
+ * 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.io.PrintStream;
+
+import org.apache.maven.repository.ArtifactTransferEvent;
+
+/**
+ * @author Benjamin Bentmann
+ */
+class QuietMavenTransferListener
+    extends AbstractMavenTransferListener
+{
+
+    public QuietMavenTransferListener( PrintStream out )
+    {
+        super( out );
+    }
+
+    @Override
+    protected boolean showEvent( ArtifactTransferEvent event )
+    {
+        return false;
+    }
+
+}