android: AndrOBD library vendored (no submodule, no git link)

android/library/com/fr3ts0n/prot/ProtUtils.java

@@ -0,0 +1,51 @@
+/*
+ * (C) Copyright 2015 by fr3ts0n <erwin.scheuch-heilig@gmx.at>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+package com.fr3ts0n.prot;
+
+/**
+ * Protocol utility tool box
+ *
+ * @author erwin
+ */
+public class ProtUtils
+{
+
+	private static String hexFmt;
+	private static String asciiFmt;
+
+	/**
+	 * return HEX:ASCII dump of buffer
+	 * in ASCII section all NON ASCII chars are '.'
+	 * @param buffer buffer to be dumped
+	 * @return String containing HEX:ASCII data of buffer
+	 */
+	public static String hexDumpBuffer(char[] buffer)
+	{
+		hexFmt = "";
+		asciiFmt = "";
+
+		for (int i = 0; i < buffer.length; i++)
+		{
+			hexFmt += String.format("%02X ", (byte) buffer[i]);
+			asciiFmt += String.format("%1s", buffer[i] < 32 || buffer[i] > 127 ? '.' : buffer[i]);
+		}
+		return (hexFmt + " : " + asciiFmt);
+	}
+
+}