[Fix] ByteHelper.getUpperNibble() was broken for signed values

This commit is contained in:
Robert von Burg 2017-12-12 14:59:09 +01:00
parent 6328827f9e
commit 23007aae2f
1 changed files with 29 additions and 29 deletions

View File

@ -157,7 +157,7 @@ public class ByteHelper {
* byte * byte
* *
* @param bytes * @param bytes
* the bytes to convert to a long * the bytes to convert to a long
* *
* @return the long created from the bytes * @return the long created from the bytes
*/ */
@ -181,7 +181,7 @@ public class ByteHelper {
* highest byte * highest byte
* *
* @param bytes * @param bytes
* the bytes to convert to an integer * the bytes to convert to an integer
* *
* @return the integer created from the bytes * @return the integer created from the bytes
*/ */
@ -201,7 +201,7 @@ public class ByteHelper {
* byte * byte
* *
* @param bytes * @param bytes
* the bytes to convert to an integer * the bytes to convert to an integer
* *
* @return the integer created from the bytes * @return the integer created from the bytes
*/ */
@ -247,18 +247,18 @@ public class ByteHelper {
} }
public static byte getUpperNibble(byte b) { public static byte getUpperNibble(byte b) {
return (byte) ((byte) (0xf0 & b) >> 4); return (byte) (b >>> 4 & 0x0f);
} }
public static byte getLowerNibble(byte b) { public static byte getLowerNibble(byte b) {
return (byte) (0xf & b); return (byte) (0x0f & b);
} }
/** /**
* Formats the given byte array to a binary string, separating each byte by a space * Formats the given byte array to a binary string, separating each byte by a space
* *
* @param bytes * @param bytes
* the byte to format to a binary string * the byte to format to a binary string
* *
* @return the binary string * @return the binary string
*/ */
@ -277,7 +277,7 @@ public class ByteHelper {
* Formats the given byte to a binary string * Formats the given byte to a binary string
* *
* @param b * @param b
* the byte to format to a binary string * the byte to format to a binary string
* *
* @return the binary string * @return the binary string
*/ */
@ -301,7 +301,7 @@ public class ByteHelper {
* Formats the given integer to a binary string, each byte is separated by a space * Formats the given integer to a binary string, each byte is separated by a space
* *
* @param i * @param i
* the integer to format to a string * the integer to format to a string
* *
* @return the binary string * @return the binary string
*/ */
@ -336,7 +336,7 @@ public class ByteHelper {
* Formats the given integer to a binary string, each byte is separated by a space * Formats the given integer to a binary string, each byte is separated by a space
* *
* @param i * @param i
* the integer to format to a string * the integer to format to a string
* *
* @return the binary string * @return the binary string
*/ */
@ -393,7 +393,7 @@ public class ByteHelper {
* Formats the given long to a binary string, each byte is separated by a space * Formats the given long to a binary string, each byte is separated by a space
* *
* @param i * @param i
* the long to format * the long to format
* *
* @return the binary string * @return the binary string
*/ */