Add argument to send crc sums over thrift

1 files changed, 40 insertions, 28 deletions

diff --git a/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java b/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java
index 74e3d84..15eba44 100644
--- a/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java
+++ b/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java
@@ -13,89 +13,101 @@ import java.util.zip.CRC32;
 
 /**
  * Represents a crcfile
+ * 
  * @author nils
- *
+ * 
  */
 public class CRCFile
 {
 	private File file;
 	private List<Integer> crcSums = null;
-	
+
 	/**
 	 * Loads a crcFile from file
+	 * 
 	 * @param filename
 	 */
-	CRCFile(String filename)
+	CRCFile( String filename )
 	{
 		this.file = new File( filename );
 	}
-	
+
 	/**
 	 * Creates a new crc file with the given sums.
 	 * The first crc sum in the list needs to be the sum over the other sums.
+	 * 
 	 * @param listOfCrcSums The list of the crc sums that are going into the crc file
 	 * @param filename Where to save the created crc file
 	 * @throws IOException If it's not possible to write the file
 	 */
-	CRCFile(List<Integer> listOfCrcSums, String filename) throws IOException
+	public CRCFile( List<Integer> listOfCrcSums, String filename ) throws IOException
 	{
 		this.file = new File( filename );
 		FileOutputStream fos = new FileOutputStream( file );
 		DataOutputStream dos = new DataOutputStream( fos );
-		
+
 		for ( Integer sum : listOfCrcSums ) {
 			dos.writeInt( Integer.reverseBytes( sum.intValue() ) );		// save byte-reversed integers to match right order in crc file
 		}
-		
+
 		dos.close();
 		this.crcSums = listOfCrcSums;
 	}
-	
+
 	/**
 	 * 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 {
+	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)
+
+		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;
+
+		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 
+	 * @throws IOException
 	 */
-	public int getCRCSum(int blockNumber) throws IOException {
-		if (crcSums == null) {
+	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++) {
+			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
+				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; 
-		
+
+		if ( blockNumber < 0 )
+			return 0;
+		if ( blockNumber > crcSums.size() - 1 )
+			return 0;
+
 		return crcSums.get( blockNumber );
-	}		
+	}
 }