private void filterCopy()

in nbm-maven-plugin/src/main/java/org/apache/netbeans/nbm/CreateWebstartAppMojo.java [647:679]

• 28 lines of code
• 2 McCabe index (conditional complexity)

    private void filterCopy( File sourceFile, String resourcePath, File destinationFile, Properties filterProperties )
            throws IOException
    {
        // buffer so it isn't reading a byte at a time!
        Reader source = null;
        Writer destination = null;
        try
        {
            InputStream instream;
            if ( sourceFile != null )
            {
                instream = new FileInputStream( sourceFile );
            }
            else
            {
                instream = getClass().getClassLoader().getResourceAsStream( resourcePath );
            }
            FileOutputStream outstream = new FileOutputStream( destinationFile );

            source = new BufferedReader( new InputStreamReader( instream, "UTF-8" ) );
            destination = new OutputStreamWriter( outstream, "UTF-8" );

            // support ${token}
            Reader reader = new InterpolationFilterReader( source, filterProperties, "${", "}" );

            IOUtil.copy( reader, destination );
        }
        finally
        {
            IOUtil.close( source );
            IOUtil.close( destination );
        }
    }