1 files changed, 133 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-embedder/src/main/java/org/apache/maven/cli/transfer/ConsoleMavenTransferListener.java b/framework/src/maven/apache-maven-3.3.3/maven-embedder/src/main/java/org/apache/maven/cli/transfer/ConsoleMavenTransferListener.java
new file mode 100644
index 00000000..46725024
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-embedder/src/main/java/org/apache/maven/cli/transfer/ConsoleMavenTransferListener.java
@@ -0,0 +1,133 @@
+package org.apache.maven.cli.transfer;
+
+/*
+ * 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 java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.eclipse.aether.transfer.TransferCancelledException;
+import org.eclipse.aether.transfer.TransferEvent;
+import org.eclipse.aether.transfer.TransferResource;
+
+/**
+ * Console download progress meter.
+ *
+ * @author <a href="mailto:brett@apache.org">Brett Porter</a>
+ */
+public class ConsoleMavenTransferListener
+    extends AbstractMavenTransferListener
+{
+
+    private Map<TransferResource, Long> downloads = new ConcurrentHashMap<TransferResource, Long>();
+
+    private int lastLength;
+
+    public ConsoleMavenTransferListener( PrintStream out )
+    {
+        super( out );
+    }
+
+    @Override
+    public void transferProgressed( TransferEvent event )
+        throws TransferCancelledException
+    {
+        TransferResource resource = event.getResource();
+        downloads.put( resource, event.getTransferredBytes() );
+
+        StringBuilder buffer = new StringBuilder( 64 );
+
+        for ( Map.Entry<TransferResource, Long> entry : downloads.entrySet() )
+        {
+            long total = entry.getKey().getContentLength();
+            Long complete = entry.getValue();
+            // NOTE: This null check guards against http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6312056
+            if ( complete != null )
+            {
+                buffer.append( getStatus( complete, total ) ).append( "  " );
+            }
+        }
+
+        int pad = lastLength - buffer.length();
+        lastLength = buffer.length();
+        pad( buffer, pad );
+        buffer.append( '\r' );
+
+        out.print( buffer.toString() );
+    }
+
+    private String getStatus( long complete, long total )
+    {
+        if ( total >= 1024 )
+        {
+            return toKB( complete ) + "/" + toKB( total ) + " KB ";
+        }
+        else if ( total >= 0 )
+        {
+            return complete + "/" + total + " B ";
+        }
+        else if ( complete >= 1024 )
+        {
+            return toKB( complete ) + " KB ";
+        }
+        else
+        {
+            return complete + " B ";
+        }
+    }
+
+    private void pad( StringBuilder buffer, int spaces )
+    {
+        String block = "                                        ";
+        while ( spaces > 0 )
+        {
+            int n = Math.min( spaces, block.length() );
+            buffer.append( block, 0, n );
+            spaces -= n;
+        }
+    }
+
+    @Override
+    public void transferSucceeded( TransferEvent event )
+    {
+        transferCompleted( event );
+
+        super.transferSucceeded( event );
+    }
+
+    @Override
+    public void transferFailed( TransferEvent event )
+    {
+        transferCompleted( event );
+
+        super.transferFailed( event );
+    }
+
+    private void transferCompleted( TransferEvent event )
+    {
+        downloads.remove( event.getResource() );
+
+        StringBuilder buffer = new StringBuilder( 64 );
+        pad( buffer, lastLength );
+        buffer.append( '\r' );
+        out.print( buffer.toString() );
+    }
+
+}