file write inputstream to outputstream

import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.IOException;

public class WriteFileExample
{
    private static String filename = "temp.txt";

    public static void main( String args[] )
    {
        try {
            FileWriter outFile = new FileWriter( filename );
            PrintWriter out = new PrintWriter(outFile);   //gets access to the printXXX methods (like println(int)), BUT swallows exceptions
            out.println("First line of text");
            out.close();

        } catch (IOException e)
      {
        e.printStackTrace();
      }
    }
}//end class


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/*
    private void writeToFileSystem( String fullpath, String filename , String message ) throws IOException
    {
        FileWriter outFile = new FileWriter( fullpath + filename , true );  //append
        BufferedWriter out = new BufferedWriter( outFile );   //advisable to wrap a BufferedWriter around costly FileWriters, OutputStreamWriters
        out.write( message );
        out.newLine();
        out.close();
    }

// ALTERNATE PrintWriter writer = new PrintWriter( new BufferedWriter( new FileWriter( "filename.txt") ) );

    private String getServletFileSystemPath()
    {
        ServletContext myServletContext = getServletContext() ;
        String fileseperatorsymbol = System.getProperty( "file.separator" );
        String realpath = myServletContext.getRealPath( fileseperatorsymbol );
        String fullpath = realpath + fileseperatorsymbol;
        return fullpath;
    }

    private void logMessage( String str )
    {
        context.log( str );
      String path = getServletFileSystemPath();
        try{
            writeToFileSystem( path , "licenselog.txt" , str );
        }catch( IOException e )
        {       e.printStackTrace();
        }
    }

*/
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long startTime = System.currentTimeMillis();

InputStream localInputStream = new FileInputStream( localPath + filename );
InputStream remoteInputStream = connector.getFile(filename, sessionToken);
FileOutputStream output = new FileOutputStream(localPath + filename + "-validation");

byte[] remoteBuffer = new byte[10240]; // 1MB buffer
byte[] localBuffer = new byte[10240]; // 1MB buffer
int bytesRead;
while ((bytesRead = remoteInputStream.read(remoteBuffer)) != -1)
{
    localInputStream.read(localBuffer);
    if( ! Arrays.equals( remoteBuffer, localBuffer ))
    {
        getFileBackSuccess = false;
        break;
    }
    output.write(remoteBuffer);
}
if( bytesRead == fileSize && getFileBackSuccess )
{
    canProceedToNextStep = processTimingResult(maxTimePermittedInMilliseconds, startTime, System.currentTimeMillis(), testName);









// Examples of getting streams, converting to byte arrays, calculating sha1



        InputStream sha1 = main.testerDefault.getStream( "qa-gateway", "00000ce0-3da2-4a42-a28a-54ee354ffe36.0.sha1" );
        String sha1String = convertStreamToString( sha1 );
        System.out.println( sha1String + " Remote sha1" );
        sha1.close();
        byte[] dataArray;
        dataArray = main.testerDefault.getObject( "qa-gateway", "00000ce0-3da2-4a42-a28a-54ee354ffe36.0" );
        System.out.println( CalculateSha1.computeSHA1Hash( dataArray ) + " Remote getObject to sha1" );

        InputStream data = main.testerDefault.getStream( "qa-gateway", "00000ce0-3da2-4a42-a28a-54ee354ffe36.0" );

        String tempFileName = "c:\\Users\\John\\Desktop\\test.txt";
        FileOutputStream fileOut = new FileOutputStream( tempFileName );
        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        final int ONE_KILOBYTE = 1024;
        byte[] buffer = new byte[64 * ONE_KILOBYTE];
        int bytesRead = 0;
        while( true ) { // read until end
            bytesRead = data.read( buffer );
            if( bytesRead > 0 ) {
                bos.write( buffer, 0, bytesRead );
                fileOut.write( buffer , 0 ,  bytesRead );
                fileOut.flush();
            } else {
                break; // no more data to write
            }
        }

        fileOut.close();
        data.close();

        System.out.println( CalculateSha1.computeSHA1Hash( bos.toByteArray() ) + " Remote data stream to byte array calc sha1" );
        bos.close();

        CalculateSha1 fsha1 = new CalculateSha1( tempFileName );
        System.out.println( fsha1.getSha1() + " Remote data to file generated Sha1 " );

    }// end main

    public static String convertStreamToString( java.io.InputStream is ) {
        java.util.Scanner s = new java.util.Scanner( is ).useDelimiter( "\\A" );
        return s.hasNext() ? s.next() : "";
    }