1 files changed, 0 insertions, 72 deletions
diff --git a/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java b/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java
deleted file mode 100644
index b557ada..0000000
--- a/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java
+++ /dev/null
@@ -1,72 +0,0 @@
-package org.openslx.imagemaster.crcchecker;
-
-import java.io.DataInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.zip.CRC32;
-
-/**
- * Represents a crcfile
- * @author nils
- *
- */
-public class CRCFile
-{
-	private File file;
-	private List<Integer> crcSums = null;
-	
-	CRCFile(String filename) {
-		this.file = new File( filename );
-	}
-	
-	/**
-	 * Checks if this crc file is valid.
-	 * (If the crc over the file is equal to the first crc sum.)
-	 * @return Whether the crc file is valid
-	 * @throws IOException If the file could not be read or could not be found
-	 */
-	public boolean isValid() throws IOException {
-		FileInputStream fis = new FileInputStream( file );
-		DataInputStream dis = new DataInputStream( fis );
-		
-		int crcSum = dis.readInt();
-		
-		CRC32 crcCalc = new CRC32();
-		
-		byte[] bytes = new byte[(int) file.length() - Integer.SIZE/8];	// byte array with length of the file minus the first crc sum (=4byte)
-		fis.read( bytes );
-		crcCalc.update( bytes );
-		
-		dis.close();
-		
-		if (crcSum == Integer.reverseBytes( (int) crcCalc.getValue() ) ) return true;
-		else return false;
-	}
-	
-	/**
-	 * Get a specified crcSum for a block number
-	 * @param blockNumber
-	 * @return The crcSum or 0 if the block number is invalid
-	 * @throws IOException 
-	 */
-	public int getCRCSum(int blockNumber) throws IOException {
-		if (crcSums == null) {
-			// the crcSums were not read yet
-			DataInputStream dis = new DataInputStream( new FileInputStream( file ) );
-			crcSums = new ArrayList<>();
-			for (int i = 0; i < file.length()/4; i++) {
-				int s = dis.readInt();
-				if (i > 0) crcSums.add( s );	// skip the first crcSum because it's the sum over the crcFile
-			}
-			dis.close();
-		}
-		
-		if (blockNumber < 0) return 0;
-		if (blockNumber > crcSums.size() - 1) return 0; 
-		
-		return crcSums.get( blockNumber );
-	}		
-}