Merged Engine into the Core! Woooo open source

src/utilities/ByteUtilities.java

@@ -0,0 +1,65 @@
+package utilities;
+
+import java.nio.ByteBuffer;
+
+
+public class ByteUtilities {
+	
+	private static final ByteBuffer buffer = ByteBuffer.allocate(Long.SIZE);
+	private static final char [] HEX = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
+	
+	public static final String getHexString(byte [] bytes) {
+		StringBuffer ret = new StringBuffer(bytes.length*2+(bytes.length>0?bytes.length-1:0));
+		for (byte b : bytes) {
+			ret.append(getHexString(b) + ' ');
+		}
+		return new String(ret);
+	}
+	
+	public static final String getHexString(Byte [] bytes) {
+		StringBuffer ret = new StringBuffer(bytes.length*2+(bytes.length>0?bytes.length-1:0));
+		for (byte b : bytes) {
+			ret.append(getHexString(b) + ' ');
+		}
+		return new String(ret);
+	}
+	
+	public static final String getHexString(byte b) {
+		return String.valueOf(HEX[(b&0xFF) >>> 4]) + HEX[b & 0x0F];
+	}
+	
+	public static final byte [] longToBytes(long l) {
+		byte [] b = new byte[Long.SIZE];
+		synchronized (buffer) {
+			buffer.putLong(0, l);
+			System.arraycopy(buffer.array(), 0, b, 0, Long.SIZE);
+		}
+		return b;
+	}
+	
+	public static final long bytesToLong(byte [] a) {
+		return bytesToLong(a, 0);
+	}
+	
+	public static final long bytesToLong(byte [] a, int offset) {
+		long l = 0;
+		synchronized (buffer) {
+			for (int i = 0; i < Long.SIZE; i++) {
+				if (i < a.length)
+					buffer.put(i, a[i+offset]);
+				else
+					buffer.put(i, (byte)0);
+			}
+			l = buffer.getLong(0);
+		}
+		return l;
+	}
+	
+	public static String nextString(ByteBuffer data) {
+		byte [] bData = data.array();
+		StringBuilder str = new StringBuilder();
+		for (int i = data.position(); i < bData.length && bData[i] >= ' ' && bData[i] <= '~'; i++)
+			str.append((char) data.get());
+		return str.toString();
+	}
+}