Coverage Report - org.codehaus.plexus.archiver.gzip.GZipUnArchiver
 
Classes in this File Line Coverage Branch Coverage Complexity
GZipUnArchiver
0%
0/12
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.gzip;
 18  
 
 19  
 import java.io.File;
 20  
 import java.io.FileInputStream;
 21  
 import java.io.IOException;
 22  
 import java.io.InputStream;
 23  
 import java.util.zip.GZIPInputStream;
 24  
 import org.codehaus.plexus.archiver.AbstractUnArchiver;
 25  
 import org.codehaus.plexus.archiver.ArchiverException;
 26  
 import org.codehaus.plexus.archiver.util.Streams;
 27  
 import static org.codehaus.plexus.archiver.util.Streams.copyFully;
 28  
 import static org.codehaus.plexus.archiver.util.Streams.fileInputStream;
 29  
 import static org.codehaus.plexus.archiver.util.Streams.fileOutputStream;
 30  
 
 31  
 /**
 32  
  * @author <a href="mailto:evenisse@codehaus.org">Emmanuel Venisse</a>
 33  
  */
 34  
 public class GZipUnArchiver
 35  
     extends AbstractUnArchiver
 36  
 {
 37  
 
 38  
     private static final String OPERATION_GZIP = "gzip";
 39  
 
 40  
     public GZipUnArchiver()
 41  0
     {
 42  0
     }
 43  
 
 44  
     public GZipUnArchiver( File sourceFile )
 45  
     {
 46  0
         super( sourceFile );
 47  0
     }
 48  
 
 49  
     @Override
 50  
     protected void execute()
 51  
         throws ArchiverException
 52  
     {
 53  0
         if ( getSourceFile().lastModified() > getDestFile().lastModified() )
 54  
         {
 55  0
             getLogger().info( "Expanding " + getSourceFile().getAbsolutePath() + " to "
 56  
                                   + getDestFile().getAbsolutePath() );
 57  
 
 58  0
             copyFully( getGzipInputStream( fileInputStream( getSourceFile(), OPERATION_GZIP ) ),
 59  
                        fileOutputStream( getDestFile(), OPERATION_GZIP ), OPERATION_GZIP );
 60  
         }
 61  0
     }
 62  
 
 63  
     private InputStream getGzipInputStream( FileInputStream in )
 64  
         throws ArchiverException
 65  
     {
 66  
         try
 67  
         {
 68  0
             return Streams.bufferedInputStream( new GZIPInputStream( in ) );
 69  
         }
 70  0
         catch ( IOException e )
 71  
         {
 72  0
             throw new ArchiverException( "Problem creating GZIP input stream", e );
 73  
         }
 74  
     }
 75  
 
 76  
     @Override
 77  
     protected void execute( String path, File outputDirectory )
 78  
     {
 79  0
         throw new UnsupportedOperationException( "Targeted extraction not supported in GZIP format." );
 80  
     }
 81  
 
 82  
 }