Merge branch 'exceptionsheritage' of flavien/Projet_JAVA_P2P_STRI2A into etape4

src/clientP2P/ClientDownloadPartTCP.java

@@ -6,22 +6,22 @@ import protocolP2P.ProtocolP2PPacketTCP;
 import protocolP2P.Payload;
 import protocolP2P.LoadRequest;
 import protocolP2P.FilePart;
-import exception.InternalError;
+import localException.InternalError;
 import remoteException.EmptyDirectory;
 import remoteException.EmptyFile;
-import exception.ProtocolError;
+import localException.ProtocolError;
 import remoteException.InternalRemoteError;
 import remoteException.VersionRemoteError;
-import exception.TransmissionError;
+import localException.TransmissionError;
 import remoteException.ProtocolRemoteError;
-import exception.VersionError;
-import exception.SizeError;
+import localException.VersionError;
+import localException.SizeError;
 import remoteException.NotFound;
 import java.nio.file.Files;
 import java.io.File;
 import java.nio.file.Paths;
 import java.io.IOException;
-import exception.SocketClosed;
+import localException.SocketClosed;
 
 /** Class to download file parts on tcp.
 * @author	Louis Royer

src/clientP2P/ClientDownloadPartUDP.java

@@ -6,16 +6,16 @@ import protocolP2P.ProtocolP2PPacketUDP;
 import protocolP2P.Payload;
 import protocolP2P.LoadRequest;
 import protocolP2P.FilePart;
-import exception.InternalError;
+import localException.InternalError;
 import remoteException.EmptyDirectory;
 import remoteException.EmptyFile;
-import exception.ProtocolError;
+import localException.ProtocolError;
 import remoteException.InternalRemoteError;
 import remoteException.VersionRemoteError;
-import exception.TransmissionError;
+import localException.TransmissionError;
 import remoteException.ProtocolRemoteError;
-import exception.VersionError;
-import exception.SizeError;
+import localException.VersionError;
+import localException.SizeError;
 import remoteException.NotFound;
 import java.nio.file.Files;
 import java.io.File;
@@ -165,7 +165,7 @@ public class ClientDownloadPartUDP implements Runnable {
 				if (p == null) {
 					stop = true;
 				}
-				
+
 				failed = downloadPart(p);
 				if (failed) {
 					System.err.println("Error: DownloadPart failed.");
@@ -176,7 +176,7 @@ public class ClientDownloadPartUDP implements Runnable {
 			} catch (IndexOutOfBoundsException e) {
 				noTask = true;
 			}
-			
+
 		}
 	}
 

src/clientP2P/ClientDownloadTCP.java

@@ -16,11 +16,11 @@ import protocolP2P.HashResponse;
 import protocolP2P.HashRequest;
 import protocolP2P.ProtocolP2PPacketTCP;
 import protocolP2P.Payload;
-import exception.ProtocolError;
-import exception.InternalError;
-import exception.TransmissionError;
-import exception.SizeError;
-import exception.VersionError;
+import localException.ProtocolError;
+import localException.InternalError;
+import localException.TransmissionError;
+import localException.SizeError;
+import localException.VersionError;
 import protocolP2P.FilePart;
 import protocolP2P.LoadRequest;
 import java.io.IOException;
@@ -29,7 +29,7 @@ import java.io.File;
 import java.nio.file.Paths;
 import java.nio.file.StandardOpenOption;
 import java.nio.file.StandardCopyOption;
-import exception.SocketClosed;
+import localException.SocketClosed;
 
 /** Class to download file from tcp
 * @author	Louis Royer

src/clientP2P/ClientDownloadUDP.java

@@ -16,11 +16,11 @@ import protocolP2P.HashResponse;
 import protocolP2P.HashRequest;
 import protocolP2P.ProtocolP2PPacketUDP;
 import protocolP2P.Payload;
-import exception.ProtocolError;
-import exception.InternalError;
-import exception.TransmissionError;
-import exception.SizeError;
-import exception.VersionError;
+import localException.ProtocolError;
+import localException.InternalError;
+import localException.TransmissionError;
+import localException.SizeError;
+import localException.VersionError;
 import protocolP2P.FilePart;
 import protocolP2P.LoadRequest;
 import java.io.IOException;
@@ -70,7 +70,7 @@ public class ClientDownloadUDP implements Runnable {
 	public void setStop() {
 		stop = true;
 	}
-	
+
 	/** Runnable implementation
 	 */
 	public void run() {
@@ -188,7 +188,7 @@ public class ClientDownloadUDP implements Runnable {
 				assert pHash instanceof HashResponse : "This payload must be instance of HashResponse";
 				if (!(pHash instanceof HashResponse)) {
 					throw new InternalError();
-				} else { 
+				} else {
 					hash = ((HashResponse)pHash).getHash(HashAlgorithm.SHA512);
 				}
 			} catch (EmptyDirectory e) {
@@ -260,14 +260,14 @@ public class ClientDownloadUDP implements Runnable {
 	private void init() throws InternalError {
 		// get size
 		setSize();
-		
+
 		// get hashsum from 1st server in list
 		hash512 = getHashSum512(hostList.get(0));
 		if (hash512.length == 0) {
 			System.err.println("Error: no hash512sum support.");
 			throw new InternalError();
 		}
-		
+
 		// Add tasks
 		if (!stop) {
 			for(long i=MAX_PARTIAL_SIZE; i<size;i+=MAX_PARTIAL_SIZE) {

src/clientP2P/ClientManagementTCP.java

@@ -1,9 +1,9 @@
 package clientP2P;
-import exception.InternalError;
-import exception.ProtocolError;
-import exception.SizeError;
-import exception.TransmissionError;
-import exception.VersionError;
+import localException.InternalError;
+import localException.ProtocolError;
+import localException.SizeError;
+import localException.TransmissionError;
+import localException.VersionError;
 import remoteException.EmptyFile;
 import remoteException.EmptyDirectory;
 import remoteException.InternalRemoteError;
@@ -32,7 +32,7 @@ import protocolP2P.HashResponse;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import clientP2P.ClientDownloadTCP;
-import exception.SocketClosed;
+import localException.SocketClosed;
 
 /** Implementation of P2P-JAVA-PROJECT CLIENT
  * @author	Louis Royer

src/clientP2P/ClientManagementUDP.java

@@ -1,9 +1,9 @@
 package clientP2P;
-import exception.InternalError;
-import exception.ProtocolError;
-import exception.SizeError;
-import exception.TransmissionError;
-import exception.VersionError;
+import localException.InternalError;
+import localException.ProtocolError;
+import localException.SizeError;
+import localException.TransmissionError;
+import localException.VersionError;
 import remoteException.EmptyFile;
 import remoteException.EmptyDirectory;
 import remoteException.InternalRemoteError;

src/exception/LocalException.java

@@ -1,4 +1,5 @@
 package exception;
-public class InternalError extends Exception {
+
+public class LocalException extends Exception {
 	private static final long serialVersionUID = 12L;
 }

src/exception/RemoteException.java

@@ -1,4 +1,5 @@
 package exception;
-public class ProtocolError extends Exception {
+
+public class RemoteException extends Exception {
 	private static final long serialVersionUID = 12L;
 }

src/exception/SocketClosed.java

@@ -1,4 +0,0 @@
-package exception;
-public class SocketClosed extends Exception {
-	private static final long serialVersionUID = 12L;
-}

src/exception/TransmissionError.java

@@ -1,4 +0,0 @@
-package exception;
-public class TransmissionError extends Exception {
-	private static final long serialVersionUID = 12L;
-}

src/exception/VersionError.java

@@ -1,4 +0,0 @@
-package exception;
-public class VersionError extends Exception {
-	private static final long serialVersionUID = 12L;
-}

src/localException/InternalError.java

@@ -0,0 +1,7 @@
+package localException;
+
+import exception.LocalException;
+
+public class InternalError extends exception.LocalException {
+	private static final long serialVersionUID = 12L;
+}

src/localException/ProtocolError.java

@@ -0,0 +1,7 @@
+package localException;
+
+import exception.LocalException;
+
+public class ProtocolError extends exception.LocalException {
+	private static final long serialVersionUID = 12L;
+}

src/localException/SizeError.java

@@ -1,5 +1,9 @@
-package exception;
+package localException;
+
+import exception.LocalException;
+
+
 /** Used on reception side when size as set in Packet is too big, and we cant store this in a int/long as usual. */
-public class SizeError extends Exception {
+public class SizeError extends exception.LocalException {
 	private static final long serialVersionUID = 12L;
 }

src/localException/SocketClosed.java

@@ -0,0 +1,7 @@
+package localException;
+
+import exception.LocalException;
+
+public class SocketClosed extends exception.LocalException {
+	private static final long serialVersionUID = 12L;
+}

src/localException/TransmissionError.java

@@ -0,0 +1,7 @@
+package localException;
+
+import exception.LocalException;
+
+public class TransmissionError extends exception.LocalException {
+	private static final long serialVersionUID = 12L;
+}

src/localException/VersionError.java

@@ -0,0 +1,7 @@
+package localException;
+
+import exception.LocalException;
+
+public class VersionError extends exception.LocalException {
+	private static final long serialVersionUID = 12L;
+}

src/protocolP2P/FileList.java

@@ -2,10 +2,10 @@ package protocolP2P;
 import java.util.Arrays;
 import protocolP2P.Payload;
 import protocolP2P.RequestResponseCode;
-import exception.TransmissionError;
-import exception.ProtocolError;
-import exception.InternalError;
-import exception.SizeError;
+import localException.TransmissionError;
+import localException.ProtocolError;
+import localException.InternalError;
+import localException.SizeError;
 import java.io.UnsupportedEncodingException;
 import tools.BytesArrayTools;
 

src/protocolP2P/FilePart.java

@@ -1,10 +1,10 @@
 package protocolP2P;
 import protocolP2P.Payload;
 import protocolP2P.RequestResponseCode;
-import exception.ProtocolError;
-import exception.InternalError;
-import exception.SizeError;
-import exception.TransmissionError;
+import localException.ProtocolError;
+import localException.InternalError;
+import localException.SizeError;
+import localException.TransmissionError;
 import tools.BytesArrayTools;
 import java.util.Arrays;
 import java.io.UnsupportedEncodingException;
@@ -36,7 +36,7 @@ public class FilePart extends Payload {
 		super(RequestResponseCode.LOAD_RESPONSE);
 		/* asserts to help debugging */
 		assert totalSize >= 0 : "totalSize cannot be negative";
-		assert partialContent.length != 0 : "partialContent.length cannot be zero, see RRCode.EMPTY_FILE"; 
+		assert partialContent.length != 0 : "partialContent.length cannot be zero, see RRCode.EMPTY_FILE";
 		assert totalSize >= partialContent.length : "totalSize must be greater than partialContent.length";
 		assert offset >= 0 : "offset cannot be negative";
 		assert filename != null : "filename is required";

src/protocolP2P/HashRequest.java

@@ -2,10 +2,10 @@ package protocolP2P;
 import protocolP2P.Payload;
 import protocolP2P.HashAlgorithm;
 import java.io.UnsupportedEncodingException;
-import exception.TransmissionError;
-import exception.SizeError;
-import exception.ProtocolError;
-import exception.InternalError;
+import localException.TransmissionError;
+import localException.SizeError;
+import localException.ProtocolError;
+import localException.InternalError;
 import tools.BytesArrayTools;
 
 
@@ -21,12 +21,12 @@ public class HashRequest extends Payload {
 	private HashAlgorithm[] algoList;
 	private static final int FILENAME_SIZE_POSITION = PAYLOAD_START_POSITION;
 	private static final int FILENAME_POSITION = FILENAME_SIZE_POSITION + 4;
-	
+
 	/** Constructor (typically used by the server) with a filename parameter.
 	 * @param filename	name of the file to download. Must not be empty.
 	 * @param algoList	List of hash algorithms used
 	 * @throws	InternalError
-	 * 
+	 *
 	 */
 	public HashRequest(String filename, HashAlgorithm[] algoList) throws InternalError {
 		super(RequestResponseCode.HASH_REQUEST);

src/protocolP2P/HashResponse.java

@@ -3,10 +3,10 @@ import protocolP2P.Payload;
 import java.util.HashMap;
 import java.util.Map;
 import java.io.UnsupportedEncodingException;
-import exception.TransmissionError;
-import exception.SizeError;
-import exception.ProtocolError;
-import exception.InternalError;
+import localException.TransmissionError;
+import localException.SizeError;
+import localException.ProtocolError;
+import localException.InternalError;
 import tools.BytesArrayTools;
 
 
@@ -22,12 +22,12 @@ public class HashResponse extends Payload {
 	private Map<HashAlgorithm, byte[]> hashes = new HashMap<>();
 	private static final int FILENAME_SIZE_POSITION = PAYLOAD_START_POSITION;
 	private static final int FILENAME_POSITION = FILENAME_SIZE_POSITION + 4;
-	
+
 	/** Constructor (typically used by the server) with a filename parameter.
 	 * @param filename	name of the file to download. Must not be empty.
 	 * @param hashes	HashMap containing hashes for file.
 	 * @throws	InternalError
-	 * 
+	 *
 	 */
 	public HashResponse(String filename, Map<HashAlgorithm, byte[]> hashes) throws InternalError {
 		super(RequestResponseCode.HASH_RESPONSE);
@@ -80,7 +80,7 @@ public class HashResponse extends Payload {
 			}
 			start += hashSize;
 		} while (start < size);
-			
+
 	}
 
 	/** Returns a byte[] containing Packet with padding.
@@ -100,7 +100,7 @@ public class HashResponse extends Payload {
 			size += 4 + s.length;
 		}
 		byte[] packet = new byte[size + 1]; // java initialize all to zero
-		
+
 		// set request/response code
 		packet[RequestResponseCode.RRCODE_POSITION] = requestResponseCode.codeValue;
 		// set Payload size

src/protocolP2P/LoadRequest.java

@@ -1,10 +1,10 @@
 package protocolP2P;
 import protocolP2P.Payload;
 import protocolP2P.RequestResponseCode;
-import exception.TransmissionError;
-import exception.ProtocolError;
-import exception.InternalError;
-import exception.SizeError;
+import localException.TransmissionError;
+import localException.ProtocolError;
+import localException.InternalError;
+import localException.SizeError;
 import tools.BytesArrayTools;
 import java.io.UnsupportedEncodingException;
 
@@ -61,7 +61,7 @@ public class LoadRequest extends Payload {
 
 		/* Read maxSizePartialContent */
 		maxSizePartialContent = BytesArrayTools.readLong(packet, MAX_SIZE_PARTIAL_CONTENT_POSITION);
-		
+
 		/* Read filename */
 		int size = BytesArrayTools.readInt(packet, FILENAME_SIZE_POSITION);
 		filename = BytesArrayTools.readString(packet, FILENAME_POSITION, size);

src/protocolP2P/Payload.java

@@ -5,10 +5,10 @@ import protocolP2P.FileList;
 import protocolP2P.LoadRequest;
 import protocolP2P.HashRequest;
 import protocolP2P.HashResponse;
-import exception.ProtocolError;
-import exception.InternalError;
-import exception.TransmissionError;
-import exception.SizeError;
+import localException.ProtocolError;
+import localException.InternalError;
+import localException.TransmissionError;
+import localException.SizeError;
 import tools.BytesArrayTools;
 /** Representation of payload. If payload has a size, use subclasses instead.
  * @author	Louis Royer
@@ -59,7 +59,7 @@ public class Payload {
 
 	/** Used to check RRCode used is compatible with this class use, or if a more specific subclass is required.
 	 * @throws	InternalError
-	 */ 
+	 */
 	private void checkRequestResponseCode() throws InternalError {
 		/* Incorrect use cases (use subclasses instead) */
 		if ((requestResponseCode == RequestResponseCode.LIST_RESPONSE && !(this instanceof FileList))
@@ -68,7 +68,7 @@ public class Payload {
 			throw new InternalError();
 		}
 	}
-	
+
 	/** Returns a byte[] containing Packet with padding.
 	 * This Packet is still incomplete and should not be send directly.
 	 * ProtocolP2PPacket will use this method to generate the complete Packet.
@@ -90,7 +90,7 @@ public class Payload {
 	 * @param size	integer representing payload size
 	 * @param packet	Packet to be completed
 	 * @throws	InternalError
-	 */ 
+	 */
 	protected static void setPayloadSize(int size, byte[] packet) throws InternalError {
 		/* assert to help debugging */
 		assert size >= 0: "Payload size cannot be negative";

src/protocolP2P/ProtocolP2PPacket.java

@@ -1,10 +1,10 @@
 package protocolP2P;
-import exception.InternalError;
-import exception.ProtocolError;
-import exception.SizeError;
-import exception.TransmissionError;
-import exception.VersionError;
-import exception.SocketClosed;
+import localException.InternalError;
+import localException.ProtocolError;
+import localException.SizeError;
+import localException.TransmissionError;
+import localException.VersionError;
+import localException.SocketClosed;
 import remoteException.EmptyDirectory;
 import remoteException.InternalRemoteError;
 import remoteException.NotFound;
@@ -88,7 +88,7 @@ public abstract class ProtocolP2PPacket {
 	 * @throws	SizeError
 	 */
 	protected ProtocolP2PPacket(byte[] packet) throws TransmissionError, ProtocolError, VersionError, InternalError, SizeError {}
-	
+
 	/** Returns Payload associated with the Packet.
 	 * @return	payload associated with the Packet.
 	 */

src/protocolP2P/ProtocolP2PPacketTCP.java

@@ -1,10 +1,10 @@
 package protocolP2P;
-import exception.InternalError;
-import exception.ProtocolError;
-import exception.SizeError;
-import exception.TransmissionError;
-import exception.VersionError;
-import exception.SocketClosed;
+import localException.InternalError;
+import localException.ProtocolError;
+import localException.SizeError;
+import localException.TransmissionError;
+import localException.VersionError;
+import localException.SocketClosed;
 import remoteException.EmptyDirectory;
 import remoteException.InternalRemoteError;
 import remoteException.NotFound;
@@ -30,10 +30,10 @@ import java.net.Socket;
  * @version	1.0
  */
 public class ProtocolP2PPacketTCP extends ProtocolP2PPacket {
-	
+
 	private Socket responseSocket; // socket used to recept request and send response
 	private Socket requestSocket; // socket used to send request and to reception response
-	
+
 	/** Constructor with payload parameter (typically used when sending packet).
 	 * @param payload	the payload associated with the packet to send
 	 */

src/protocolP2P/ProtocolP2PPacketUDP.java

@@ -1,10 +1,10 @@
 package protocolP2P;
-import exception.InternalError;
-import exception.ProtocolError;
-import exception.SizeError;
-import exception.TransmissionError;
-import exception.VersionError;
-import exception.SocketClosed;
+import localException.InternalError;
+import localException.ProtocolError;
+import localException.SizeError;
+import localException.TransmissionError;
+import localException.VersionError;
+import localException.SocketClosed;
 import remoteException.EmptyDirectory;
 import remoteException.InternalRemoteError;
 import remoteException.NotFound;
@@ -31,12 +31,12 @@ import java.io.IOException;
  * @version	1.0
  */
 public class ProtocolP2PPacketUDP extends ProtocolP2PPacket {
-	
+
 	private final static int CHECKSUM_POSITION = 2;
 	private SocketAddress responseSocketAddress; // socket address used when receptionning request and to sending response
 	private DatagramSocket responseSocket; // socket used to recept request and send response
 	private DatagramSocket requestSocket; // socket used to send request and to reception response
-	
+
 	/** Constructor with payload parameter (typically used when sending packet).
 	 * @param payload	the payload associated with the packet to send
 	 */

src/protocolP2P/RequestResponseCode.java

@@ -1,6 +1,6 @@
 package protocolP2P;
 import protocolP2P.CodeType;
-import exception.ProtocolError;
+import localException.ProtocolError;
 import java.util.HashMap;
 import java.util.Map;
 import java.lang.Byte;
@@ -24,7 +24,7 @@ public enum RequestResponseCode {
 	EMPTY_DIRECTORY(CodeType.ERROR, (byte)0xC3),
 	NOT_FOUND(CodeType.ERROR, (byte)0xC4),
 	EMPTY_FILE(CodeType.ERROR, (byte)0xC5);
-	
+
 	public final CodeType codeType;
 	public final byte codeValue;
 	protected final static int RRCODE_POSITION = 1;
@@ -62,7 +62,5 @@ public enum RequestResponseCode {
 		return r;
 	}
 
-	
-}
-
 
+}

src/remoteException/EmptyDirectory.java

@@ -1,4 +1,7 @@
 package remoteException;
-public class EmptyDirectory extends Exception {
+
+import exception.RemoteException;
+
+public class EmptyDirectory extends exception.RemoteException {
 	private static final long serialVersionUID = 12L;
 }

src/remoteException/EmptyFile.java

@@ -1,4 +1,7 @@
 package remoteException;
-public class EmptyFile extends Exception {
+
+import exception.RemoteException;
+
+public class EmptyFile extends exception.RemoteException {
 	private static final long serialVersionUID = 12L;
 }

src/remoteException/InternalRemoteError.java

@@ -1,4 +1,7 @@
 package remoteException;
-public class InternalRemoteError extends Exception {
+
+import exception.RemoteException;
+
+public class InternalRemoteError extends exception.RemoteException {
 	private static final long serialVersionUID = 12L;
 }

src/remoteException/NotFound.java

@@ -1,4 +1,7 @@
 package remoteException;
-public class NotFound extends Exception {
+
+import exception.RemoteException;
+
+public class NotFound extends exception.RemoteException {
 	private static final long serialVersionUID = 12L;
 }

src/remoteException/ProtocolRemoteError.java

@@ -1,4 +1,7 @@
 package remoteException;
-public class ProtocolRemoteError extends Exception {
+
+import exception.RemoteException;
+
+public class ProtocolRemoteError extends exception.RemoteException {
 	private static final long serialVersionUID = 12L;
 }

src/remoteException/VersionRemoteError.java

@@ -1,4 +1,7 @@
 package remoteException;
-public class VersionRemoteError extends Exception {
+
+import exception.RemoteException;
+
+public class VersionRemoteError extends exception.RemoteException {
 	private static final long serialVersionUID = 12L;
 }

src/serverP2P/ServerManagementTCP.java

@@ -17,12 +17,12 @@ import protocolP2P.Payload;
 import protocolP2P.LoadRequest;
 import protocolP2P.FileList;
 import protocolP2P.FilePart;
-import exception.InternalError;
-import exception.ProtocolError;
-import exception.SizeError;
-import exception.TransmissionError;
-import exception.VersionError;
-import exception.SocketClosed;
+import localException.InternalError;
+import localException.ProtocolError;
+import localException.SizeError;
+import localException.TransmissionError;
+import localException.VersionError;
+import localException.SocketClosed;
 import remoteException.EmptyDirectory;
 import remoteException.InternalRemoteError;
 import remoteException.NotFound;
@@ -106,7 +106,7 @@ public class ServerManagementTCP implements Runnable {
 		/** Implementation of runnable. This method allow to serve one client.
 		 */
 		public void run() {
-			
+
 			boolean end = false;
 			logger.writeTCP(addr + "New connection", LogLevel.Action);
 			do {
@@ -176,7 +176,7 @@ public class ServerManagementTCP implements Runnable {
 	 private void initSha512() {
 		for(String f: fileList) {
 			try {
-				MessageDigest md = MessageDigest.getInstance(HashAlgorithm.SHA512.getName()); 
+				MessageDigest md = MessageDigest.getInstance(HashAlgorithm.SHA512.getName());
 				sha512.put(f, md.digest(Files.readAllBytes(Paths.get(baseDirectory + f))));
 				md.reset();
 			} catch (NoSuchAlgorithmException e) {
@@ -254,7 +254,7 @@ public class ServerManagementTCP implements Runnable {
 			}
 		}
 	}
-			
+
 
 	/** Send response to load request
 	 * @param pd	Request received

src/serverP2P/ServerManagementUDP.java

@@ -16,12 +16,12 @@ import protocolP2P.Payload;
 import protocolP2P.LoadRequest;
 import protocolP2P.FileList;
 import protocolP2P.FilePart;
-import exception.InternalError;
-import exception.ProtocolError;
-import exception.SizeError;
-import exception.TransmissionError;
-import exception.VersionError;
-import exception.SocketClosed;
+import localException.InternalError;
+import localException.ProtocolError;
+import localException.SizeError;
+import localException.TransmissionError;
+import localException.VersionError;
+import localException.SocketClosed;
 import remoteException.EmptyDirectory;
 import remoteException.InternalRemoteError;
 import remoteException.NotFound;
@@ -116,7 +116,7 @@ public class ServerManagementUDP implements Runnable {
 									for (String f: fileList) {
 										logger.writeUDP("- " + f, LogLevel.Debug);
 									}
-									
+
 									throw new IOException(); // to send a NOT_FOUND in the catch block
 								}
 							} catch (IOException e) {
@@ -182,7 +182,7 @@ public class ServerManagementUDP implements Runnable {
 	 private void initSha512() {
 		for(String f: fileList) {
 			try {
-				MessageDigest md = MessageDigest.getInstance(HashAlgorithm.SHA512.getName()); 
+				MessageDigest md = MessageDigest.getInstance(HashAlgorithm.SHA512.getName());
 				sha512.put(f, md.digest(Files.readAllBytes(Paths.get(baseDirectory + f))));
 				md.reset();
 			} catch (NoSuchAlgorithmException e) {
@@ -192,7 +192,7 @@ public class ServerManagementUDP implements Runnable {
 			}
 		}
 	}
-	
+
 	/** Send an internal error message.
 	 * @param pd	ProtocolP2PPacketUDP to respond
 	 */
@@ -245,4 +245,3 @@ public class ServerManagementUDP implements Runnable {
 	}
 
 }
-

src/tools/BytesArrayTools.java

@@ -1,6 +1,6 @@
 package tools;
-import exception.SizeError;
-import exception.ProtocolError;
+import localException.SizeError;
+import localException.ProtocolError;
 import java.io.UnsupportedEncodingException;
 import java.util.Arrays;