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package org.openslx.imagemaster.crcchecker;
import java.io.IOException;
public class ClassTest
{
public static void main( String[] args ) throws IOException
{
if ( args.length != 2 ) {
System.out.println( "Usage: filename crcfilename" );
return;
}
String filename = args[0];
String filenameCrc = args[1];
final int blockSize = 16 * 1024 * 1024;
CrcFile f = new CrcFile( filenameCrc );
System.out.println( "Master sum: '" + f.getMasterSum() + "'" );
System.out.println( "CRC file is '" + ( ( f.isValid() ) ? "valid" : "invalid" ) + "'" );
ImageFile imageFile = new ImageFile( filename, blockSize );
CrcChecker crcFile = new CrcChecker( imageFile, f );
int blocks = getNumberOfBlocks( imageFile.length(), blockSize );
for ( int i = 0; i < blocks; i++ ) {
System.out.println( "Block\t" + i + "\tis '" + ( ( crcFile.checkBlock( i ) ) ? "valid" : "invalid" ) + "'" );
}
crcFile.done();
}
public static int getNumberOfBlocks( long fileSize, int blockSize )
{
int blocks = (int) ( fileSize / blockSize );
if ( fileSize % blockSize != 0 )
blocks++;
return blocks;
}
}
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