-//
-// Copyright (c) 2013 Ford Motor Company
-//
-package com.smartdevicelink.trace;
-
-public class Mime {
-
- private static String m_base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
- public static String base64Encode(String str) {
- String b64String = "";
- try {
- byte[] strBytes = str.getBytes("US-ASCII");
- b64String = base64Encode(strBytes);
- } catch (Exception ex) {
- // Don't care?
- } // end-catch
- return b64String;
- } // end-method
-
- public static String base64Encode(byte bytesToEncode[]) {
- return base64Encode(bytesToEncode, 0, bytesToEncode.length);
- } // end-method
-
- public static String base64Encode(byte bytesToEncode[], int offset, int length) {
- StringBuilder sb = new StringBuilder();
-
- int idxin = 0;
- int b64idx = 0;
-
- for (idxin=offset;idxin < offset + length;idxin++) {
- switch ((idxin-offset) % 3) {
- case 0:
- b64idx = (bytesToEncode[idxin] >> 2) & 0x3f;
- break;
- case 1:
- b64idx = (bytesToEncode[idxin] >> 4) & 0x0f;
- b64idx |= ((bytesToEncode[idxin-1] << 4)& 0x30);
- break;
- case 2:
- b64idx = (bytesToEncode[idxin] >> 6) & 0x03;
- b64idx |= ((bytesToEncode[idxin-1] << 2)& 0x3c);
- sb.append(m_base64Chars.charAt(b64idx));
- b64idx = bytesToEncode[idxin] & 0x3f;
- break;
- } // end-switch
- sb.append(m_base64Chars.charAt(b64idx));
- } // end-for
-
- switch ((idxin-offset) % 3) {
- case 0:
- break;
- case 1:
- b64idx = (bytesToEncode[idxin-1] << 4) & 0x30;
- sb.append(m_base64Chars.charAt(b64idx));
- sb.append("==");
- break;
- case 2:
- b64idx = ((bytesToEncode[idxin-1] << 2)& 0x3c);
- sb.append(m_base64Chars.charAt(b64idx));
- sb.append('=');
- break;
- } // end-switch
-
- return sb.toString();
-
- } // end-method
-
- private byte[] base64Decode(String base64String) {
- byte[] outBytes = null;
- byte[] base64ASCIIString = null;
- final String ASCII_Encoding = "US-ASCII";
-
- // Convert b64 string to raw bytes
- try {
- base64ASCIIString = base64String.getBytes(ASCII_Encoding);
- } catch (Exception ex) {
- return null;
- }
-
- if (!m_decodeInitComplete) {
- m_decodeInitComplete = true;
- initForDecode();
- } // end-if
-
- int numInChars = base64ASCIIString.length;
-
- if ((numInChars % 4) > 0) {
- return null;
- } // end-if
-
- int numOutBytes = base64ASCIIString.length / 4;
- numOutBytes *= 3;
- int eqpos = base64String.indexOf("=");
- if (eqpos >= 0) {
- numOutBytes--;
- if (base64String.substring(eqpos).indexOf("==") >= 0) {
- numOutBytes--;
- } // end-if
- } // end-if
- outBytes = new byte[numOutBytes];
-
- byte b64idxbits = 0x00;
- int iidx = 0, oidx = 0;
- byte writeByte = 0x00;
- byte b64ASCIIChar = 0x00;
- for (iidx=0, oidx=0;iidx < numInChars;iidx++) {
- b64ASCIIChar = base64ASCIIString[iidx];
- if (b64ASCIIChar == 0x3d /*'='*/) {
- return outBytes;
- } // end-if
-
- if (!isb64char(b64ASCIIChar)) {
- return null;
- } // end-if
-
- switch (iidx % 4) {
- case 0:
- break;
- case 1:
- b64idxbits = b64decode[base64ASCIIString[iidx-1]];
- writeByte = (byte)((b64idxbits << 2) | ((b64decode[b64ASCIIChar] >> 4) & 0x03));
- outBytes[oidx++] = writeByte;
- break;
- case 2:
- b64idxbits = b64decode[base64ASCIIString[iidx-1]];
- writeByte = (byte)(((b64idxbits << 4) & 0xf0) | ((b64decode[b64ASCIIChar] >> 2) & 0x0f));
- outBytes[oidx++] = writeByte;
- break;
- case 3:
- b64idxbits = b64decode[base64ASCIIString[iidx-1]];
- writeByte = (byte)(((b64idxbits << 6) & 0xc0) | ((b64decode[b64ASCIIChar]) & 0x3f));
- outBytes[oidx++] = writeByte;
- break;
- } // end-switch
- } // end-for
-
- return outBytes;
-
- } // end-method
-
-
- private static byte[] b64decode = new byte[256];
- // A-Z is 0x41-0x5a
- // a-z is 0x61-0x7a
- // 0-9 is 0x30-0x39
- // + is 0x2b
- // / is 0x2f
-
- private static boolean m_decodeInitComplete = false;
-
- private void initForDecode() {
- int aidx = 0;
- int lidx = 0;
- // Set A-Z
- for (aidx=0x41, lidx=0;aidx <= 0x5a;aidx++, lidx++) {
- b64decode[aidx] = (byte)lidx;
- } // end-for
- // Set a-z
- for (aidx=0x61;aidx <= 0x7a;aidx++, lidx++) {
- b64decode[aidx] = (byte)lidx;
- } // end-for
- // Set 0-9
- for (aidx=0x30;aidx <= 0x39;aidx++, lidx++) {
- b64decode[aidx] = (byte)lidx;
- } // end-for
- // Set '+'
- b64decode[0x2b] = (byte)lidx++;
- // Set '/'
- b64decode[0x2f] = (byte)lidx++;
- } // end-method
-
- private boolean isb64char(byte b) {
- // A-Z is 0x41-0x5a
- // a-z is 0x61-0x7a
- // 0-9 is 0x30-0x39
- // + is 0x2b
- // / is 0x2f
- return ( (b >= 0x41 && b <= 0x5a)
- || (b >= 0x61 && b <= 0x7a)
- || (b >= 0x30 && b <= 0x39)
- || (b == 0x2b)
- || (b == 0x2f)
- );
- } // end-method
-} // end-class
+package com.smartdevicelink.trace;\r
+\r
+// Borrowed from Dave Boll's infamous SmartDeviceLinkLinkRelay.java\r
+\r
+public class Mime {\r
+ \r
+ private static String m_base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";\r
+ \r
+ public static String base64Encode(String str) {\r
+ String b64String = "";\r
+ try {\r
+ byte[] strBytes = str.getBytes("US-ASCII");\r
+ b64String = base64Encode(strBytes);\r
+ } catch (Exception ex) {\r
+ // Don't care?\r
+ } // end-catch\r
+ return b64String;\r
+ } // end-method\r
+\r
+ public static String base64Encode(byte bytesToEncode[]) {\r
+ return base64Encode(bytesToEncode, 0, bytesToEncode.length);\r
+ } // end-method\r
+\r
+ public static String base64Encode(byte bytesToEncode[], int offset, int length) {\r
+ StringBuilder sb = new StringBuilder();\r
+\r
+ int idxin = 0;\r
+ int b64idx = 0;\r
+\r
+ for (idxin=offset;idxin < offset + length;idxin++) {\r
+ switch ((idxin-offset) % 3) {\r
+ case 0:\r
+ b64idx = (bytesToEncode[idxin] >> 2) & 0x3f;\r
+ break;\r
+ case 1:\r
+ b64idx = (bytesToEncode[idxin] >> 4) & 0x0f;\r
+ b64idx |= ((bytesToEncode[idxin-1] << 4)& 0x30);\r
+ break;\r
+ case 2:\r
+ b64idx = (bytesToEncode[idxin] >> 6) & 0x03;\r
+ b64idx |= ((bytesToEncode[idxin-1] << 2)& 0x3c);\r
+ sb.append(m_base64Chars.charAt(b64idx));\r
+ b64idx = bytesToEncode[idxin] & 0x3f;\r
+ break;\r
+ } // end-switch\r
+ sb.append(m_base64Chars.charAt(b64idx));\r
+ } // end-for\r
+\r
+ switch ((idxin-offset) % 3) {\r
+ case 0:\r
+ break;\r
+ case 1:\r
+ b64idx = (bytesToEncode[idxin-1] << 4) & 0x30;\r
+ sb.append(m_base64Chars.charAt(b64idx));\r
+ sb.append("==");\r
+ break;\r
+ case 2:\r
+ b64idx = ((bytesToEncode[idxin-1] << 2)& 0x3c);\r
+ sb.append(m_base64Chars.charAt(b64idx));\r
+ sb.append('=');\r
+ break;\r
+ } // end-switch\r
+ \r
+ return sb.toString();\r
+\r
+ } // end-method\r
+\r
+ private byte[] base64Decode(String base64String) {\r
+ byte[] outBytes = null;\r
+ byte[] base64ASCIIString = null;\r
+ final String ASCII_Encoding = "US-ASCII";\r
+ \r
+ // Convert b64 string to raw bytes\r
+ try {\r
+ base64ASCIIString = base64String.getBytes(ASCII_Encoding);\r
+ } catch (Exception ex) {\r
+ return null;\r
+ }\r
+ \r
+ if (!m_decodeInitComplete) {\r
+ m_decodeInitComplete = true;\r
+ initForDecode();\r
+ } // end-if\r
+\r
+ int numInChars = base64ASCIIString.length;\r
+\r
+ if ((numInChars % 4) > 0) {\r
+ return null;\r
+ } // end-if\r
+\r
+ int numOutBytes = base64ASCIIString.length / 4;\r
+ numOutBytes *= 3;\r
+ int eqpos = base64String.indexOf("=");\r
+ if (eqpos >= 0) {\r
+ numOutBytes--;\r
+ if (base64String.substring(eqpos).indexOf("==") >= 0) {\r
+ numOutBytes--;\r
+ } // end-if\r
+ } // end-if\r
+ outBytes = new byte[numOutBytes];\r
+\r
+ byte b64idxbits = 0x00;\r
+ int iidx = 0, oidx = 0;\r
+ byte writeByte = 0x00;\r
+ byte b64ASCIIChar = 0x00;\r
+ for (iidx=0, oidx=0;iidx < numInChars;iidx++) {\r
+ b64ASCIIChar = base64ASCIIString[iidx];\r
+ if (b64ASCIIChar == 0x3d /*'='*/) {\r
+ return outBytes;\r
+ } // end-if\r
+\r
+ if (!isb64char(b64ASCIIChar)) {\r
+ return null;\r
+ } // end-if\r
+\r
+ switch (iidx % 4) {\r
+ case 0:\r
+ break;\r
+ case 1:\r
+ b64idxbits = b64decode[base64ASCIIString[iidx-1]];\r
+ writeByte = (byte)((b64idxbits << 2) | ((b64decode[b64ASCIIChar] >> 4) & 0x03));\r
+ outBytes[oidx++] = writeByte;\r
+ break;\r
+ case 2:\r
+ b64idxbits = b64decode[base64ASCIIString[iidx-1]];\r
+ writeByte = (byte)(((b64idxbits << 4) & 0xf0) | ((b64decode[b64ASCIIChar] >> 2) & 0x0f));\r
+ outBytes[oidx++] = writeByte;\r
+ break;\r
+ case 3:\r
+ b64idxbits = b64decode[base64ASCIIString[iidx-1]];\r
+ writeByte = (byte)(((b64idxbits << 6) & 0xc0) | ((b64decode[b64ASCIIChar]) & 0x3f));\r
+ outBytes[oidx++] = writeByte;\r
+ break;\r
+ } // end-switch\r
+ } // end-for\r
+\r
+ return outBytes;\r
+\r
+ } // end-method\r
+\r
+\r
+ private static byte[] b64decode = new byte[256];\r
+ // A-Z is 0x41-0x5a\r
+ // a-z is 0x61-0x7a\r
+ // 0-9 is 0x30-0x39\r
+ // + is 0x2b\r
+ // / is 0x2f\r
+\r
+ private static boolean m_decodeInitComplete = false;\r
+\r
+ private void initForDecode() {\r
+ int aidx = 0;\r
+ int lidx = 0;\r
+ // Set A-Z\r
+ for (aidx=0x41, lidx=0;aidx <= 0x5a;aidx++, lidx++) {\r
+ b64decode[aidx] = (byte)lidx;\r
+ } // end-for\r
+ // Set a-z\r
+ for (aidx=0x61;aidx <= 0x7a;aidx++, lidx++) {\r
+ b64decode[aidx] = (byte)lidx;\r
+ } // end-for\r
+ // Set 0-9\r
+ for (aidx=0x30;aidx <= 0x39;aidx++, lidx++) {\r
+ b64decode[aidx] = (byte)lidx;\r
+ } // end-for\r
+ // Set '+'\r
+ b64decode[0x2b] = (byte)lidx++;\r
+ // Set '/'\r
+ b64decode[0x2f] = (byte)lidx++;\r
+ } // end-method\r
+\r
+ private boolean isb64char(byte b) {\r
+ // A-Z is 0x41-0x5a\r
+ // a-z is 0x61-0x7a\r
+ // 0-9 is 0x30-0x39\r
+ // + is 0x2b\r
+ // / is 0x2f\r
+ return ( (b >= 0x41 && b <= 0x5a)\r
+ || (b >= 0x61 && b <= 0x7a)\r
+ || (b >= 0x30 && b <= 0x39)\r
+ || (b == 0x2b)\r
+ || (b == 0x2f)\r
+ );\r
+ } // end-method\r
+} // end-class
\ No newline at end of file
projects / profile / ivi / smartdevicelink.git / blobdiff