| java.lang.Object
 com.sun.satsa.util.Utils
| Utils | | public class Utils (Code) | | This class implements miscellaneous utility methods including
those used for conversion of BigIntegers to
byte arrays, hexadecimal printing of byte arrays etc.
|
| Field Summary | |
| final public static String | utf8
UTF-8 encoding name. |
| Method Summary | |
| public static String | OIDtoString(byte[] buffer, int offset, int length)
Converts a sequence of bytes into a printable OID,
a string of decimal digits, each separated by a ".". | | public static byte[] | StringToOID(String oid)
Converst OID from string representation into byte array. | | public static boolean | byteMatch(byte[] a, int aOff, int aLen, byte[] b, int bOff, int bLen)
Checks if two byte arrays match. | | public static boolean | byteMatch(byte[] a, byte[] b)
Checks if two byte arrays match. | | public static String | calendarToString(Calendar calendar)
Converts the calender to a string. | | public static byte[] | getHash(byte[] data, int offset, int length)
Calculates SHA-1 hash for given data. | | public static int | getInt(byte[] data, int offset)
Constructs integer value from byte array data.
Parameters:
data - the byte array.
Parameters:
offset - offset of the data. | | public static short | getShort(byte[] data, int offset)
Retrieves short value from byte array. | | public static int | getU2(byte[] data, int offset)
Retrieves unsigned 2-byte value from byte array. | | public static String | hexByte(int b)
Returns hex value for given byte. | | public static String | hexNumber(byte[] b, int off, int len)
Returns hex value for given sequence of bytes. | | public static byte[] | shortToBytes(int i)
Returns byte array which contains encoded short value. | | public static byte[] | shortsToBytes(short[] data)
Returns byte array that contains sequence of encoded short values. | | public static byte[] | stringToBytes(String s)
Returns UTF 8 encoding for this string. | | public static void | xwriteHex(PrintStream writer, byte[] data)
IMPL_NOTE delete
Writes hex representation of byte array elements. |
| utf8 | | final public static String utf8(Code) | | UTF-8 encoding name.
|
| OIDtoString | | public static String OIDtoString(byte[] buffer, int offset, int length)(Code) | | Converts a sequence of bytes into a printable OID,
a string of decimal digits, each separated by a ".".
Parameters:
buffer - byte array containing the bytes to be converted
Parameters:
offset - starting offset of the byte subsequence inside b
Parameters:
length - number of bytes to be converted printable OID |
| StringToOID | | public static byte[] StringToOID(String oid)(Code) | | Converst OID from string representation into byte array.
Parameters:
oid - string representation of OID byte array containing DER value for this OID. |
| byteMatch | | public static boolean byteMatch(byte[] a, int aOff, int aLen, byte[] b, int bOff, int bLen)(Code) | | Checks if two byte arrays match.
Parameters:
a - the first byte array
Parameters:
aOff - starting offset for comparison within a
Parameters:
aLen - length of data in the first array
Parameters:
b - the second byte array
Parameters:
bOff - starting offset for comparison within b
Parameters:
bLen - length of data in the second array true if the sequence of len bytes in a starting ataOff matches those in b starting at bOff, false otherwise |
| byteMatch | | public static boolean byteMatch(byte[] a, byte[] b)(Code) | | Checks if two byte arrays match.
Parameters:
a - the first byte array
Parameters:
b - the second byte array true if both arrays has the same length and contents |
| calendarToString | | public static String calendarToString(Calendar calendar)(Code) | | Converts the calender to a string.
Parameters:
calendar - input date information formatted calendar string |
| getHash | | public static byte[] getHash(byte[] data, int offset, int length)(Code) | | Calculates SHA-1 hash for given data.
Parameters:
data - array containing the data
Parameters:
offset - data offset
Parameters:
length - data length SHA-1 hash |
| getInt | | public static int getInt(byte[] data, int offset)(Code) | | Constructs integer value from byte array data.
Parameters:
data - the byte array.
Parameters:
offset - offset of the data. the integer value. |
| getShort | | public static short getShort(byte[] data, int offset)(Code) | | Retrieves short value from byte array.
Parameters:
data - byte array
Parameters:
offset - value offset the short value |
| getU2 | | public static int getU2(byte[] data, int offset)(Code) | | Retrieves unsigned 2-byte value from byte array.
Parameters:
data - byte array
Parameters:
offset - value offset the value |
| hexByte | | public static String hexByte(int b)(Code) | | Returns hex value for given byte.
Parameters:
b - source data hex value. |
| hexNumber | | public static String hexNumber(byte[] b, int off, int len)(Code) | | Returns hex value for given sequence of bytes.
Parameters:
b - source data
Parameters:
off - offset of the first byte
Parameters:
len - length of the value hex value for given sequence of bytes. |
| shortToBytes | | public static byte[] shortToBytes(int i)(Code) | | Returns byte array which contains encoded short value.
Parameters:
i - the value byte array |
| shortsToBytes | | public static byte[] shortsToBytes(short[] data)(Code) | | Returns byte array that contains sequence of encoded short values.
Parameters:
data - the short values byte array |
| stringToBytes | | public static byte[] stringToBytes(String s)(Code) | | Returns UTF 8 encoding for this string.
Parameters:
s - the string UTF 8 encoding |
| xwriteHex | | public static void xwriteHex(PrintStream writer, byte[] data)(Code) | | IMPL_NOTE delete
Writes hex representation of byte array elements.
Parameters:
writer - where to write
Parameters:
data - data to be written |
|
|