Added buffering to gzipinputstream for a great win

Author: krosenvold

src/main/java/org/codehaus/plexus/archiver/gzip/GZipUnArchiver.java

@@ -20,9 +20,11 @@
 import org.codehaus.plexus.archiver.AbstractUnArchiver;
 import org.codehaus.plexus.archiver.ArchiverException;
 
+import java.io.BufferedInputStream;
 import java.io.FileInputStream;
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.zip.GZIPInputStream;
 
 import static org.codehaus.plexus.archiver.util.Streams.*;
@@ -59,12 +61,12 @@ protected void execute()
         }
     }
 
-    private GZIPInputStream getGzipInputStream( FileInputStream in )
+    private InputStream getGzipInputStream( FileInputStream in )
         throws ArchiverException
     {
         try
         {
-            return new GZIPInputStream( in );
+            return new BufferedInputStream( new GZIPInputStream( in ));
         }
         catch ( IOException e )
         {

src/main/java/org/codehaus/plexus/archiver/gzip/PlexusIoGzipResourceCollection.java

@@ -1,5 +1,6 @@
 package org.codehaus.plexus.archiver.gzip;
 
+import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -34,7 +35,7 @@ protected InputStream getInputStream( File file )
         InputStream fis = new FileInputStream( file );
         try
         {
-            InputStream result = new GZIPInputStream( fis );
+            InputStream result = new BufferedInputStream( new GZIPInputStream( fis ));
             fis = null;
             return result;
         }

src/main/java/org/codehaus/plexus/archiver/tar/GZipTarFile.java

@@ -1,5 +1,6 @@
 package org.codehaus.plexus.archiver.tar;
 
+import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
@@ -23,14 +24,14 @@ protected InputStream getInputStream( File file )
         throws IOException
     {
         final InputStream inputStream = super.getInputStream( file );
-        return new GZIPInputStream( inputStream )
+        return new BufferedInputStream( new GZIPInputStream( inputStream )
         {
             public void close()
                 throws IOException
             {
                 super.close();
                 inputStream.close();
             }
-        };
+        });
     }
 }

src/main/java/org/codehaus/plexus/archiver/tar/TarUnArchiver.java

@@ -139,7 +139,7 @@ private InputStream decompress( UntarCompressionMethod compression, final File f
 	{
 		if ( compression == UntarCompressionMethod.GZIP )
 		{
-			return new GZIPInputStream( istream );
+			return new BufferedInputStream( new GZIPInputStream( istream ));
 		}
 		else if ( compression == UntarCompressionMethod.BZIP2 )
 		{