Coverage Report - org.codehaus.plexus.archiver.snappy.SnappyUnArchiver
 
Classes in this File Line Coverage Branch Coverage Complexity
SnappyUnArchiver
6 %
1/16
0 %
0/2
2
 
 1  
 /**
 2  
  *
 3  
  * Copyright 2004 The Apache Software Foundation
 4  
  *
 5  
  * Licensed under the Apache License, Version 2.0 (the "License");
 6  
  * you may not use this file except in compliance with the License.
 7  
  * You may obtain a copy of the License at
 8  
  *
 9  
  * http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.codehaus.plexus.archiver.snappy;
 18  
 
 19  
 import java.io.File;
 20  
 import java.io.IOException;
 21  
 import java.io.InputStream;
 22  
 import javax.annotation.Nonnull;
 23  
 import org.codehaus.plexus.archiver.AbstractUnArchiver;
 24  
 import org.codehaus.plexus.archiver.ArchiverException;
 25  
 import org.iq80.snappy.SnappyInputStream;
 26  
 import static org.codehaus.plexus.archiver.util.Streams.bufferedInputStream;
 27  
 import static org.codehaus.plexus.archiver.util.Streams.bufferedOutputStream;
 28  
 import static org.codehaus.plexus.archiver.util.Streams.copyFully;
 29  
 import static org.codehaus.plexus.archiver.util.Streams.fileInputStream;
 30  
 import static org.codehaus.plexus.archiver.util.Streams.fileOutputStream;
 31  
 
 32  
 /**
 33  
  * Unarchiver for snappy-compressed files.
 34  
  */
 35  
 public class SnappyUnArchiver
 36  
     extends AbstractUnArchiver
 37  
 {
 38  
 
 39  
     private final static String OPERATION_SNAPPY = "snappy";
 40  
 
 41  0
     public SnappyUnArchiver()
 42  0
     {
 43  0
     }
 44  
 
 45  
     public SnappyUnArchiver( File sourceFile )
 46  
     {
 47  0
         super( sourceFile );
 48  0
     }
 49  
 
 50  
     @Override
 51  
     protected void execute()
 52  
         throws ArchiverException
 53  
     {
 54  0
         if ( getSourceFile().lastModified() > getDestFile().lastModified() )
 55  
         {
 56  0
             getLogger().info(
 57  0
                 "Expanding " + getSourceFile().getAbsolutePath() + " to " + getDestFile().getAbsolutePath() );
 58  
 
 59  0
             copyFully(
 60  0
                 getSnappyInputStream( bufferedInputStream( fileInputStream( getSourceFile(), OPERATION_SNAPPY ) ) ),
 61  0
                 bufferedOutputStream( fileOutputStream( getDestFile(), OPERATION_SNAPPY ) ), OPERATION_SNAPPY );
 62  
 
 63  
         }
 64  0
     }
 65  
 
 66  
     public static @Nonnull
 67  
     SnappyInputStream getSnappyInputStream( InputStream bis )
 68  
         throws ArchiverException
 69  
     {
 70  
         try
 71  
         {
 72  1
             return new SnappyInputStream( bis );
 73  
         }
 74  0
         catch ( IOException e )
 75  
         {
 76  0
             throw new ArchiverException( "Trouble creating Snappy compressor, invalid file ?", e );
 77  
         }
 78  
     }
 79  
 
 80  
     @Override
 81  
     protected void execute( String path, File outputDirectory )
 82  
     {
 83  0
         throw new UnsupportedOperationException( "Targeted extraction not supported in Snappy format." );
 84  
     }
 85  
 
 86  
 }