public class TarUtils
extends java.lang.Object
Constructor and Description |
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TarUtils() |
Modifier and Type | Method and Description |
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static long |
computeCheckSum(byte[] buffer)
Compute the checksum of a tar entry header.
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static int |
getCheckSumOctalBytes(long value,
byte[] buf,
int offset,
int length)
Parse the checksum octal integer from a header buffer.
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static int |
getLongOctalBytes(long value,
byte[] buf,
int offset,
int length)
Parse an octal long integer from a header buffer.
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static int |
getNameBytes(java.lang.StringBuffer name,
byte[] buffer,
int offset,
int length)
Determine the number of bytes in an entry name.
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static int |
getOctalBytes(long value,
byte[] buffer,
int offset,
int length)
Parse an octal integer from a header buffer.
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static java.lang.StringBuffer |
parseName(byte[] header,
int offset,
int length)
Parse an entry name from a header buffer.
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static long |
parseOctal(byte[] header,
int offset,
int length)
Parse an octal string from a header buffer.
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public static int getCheckSumOctalBytes(long value, byte[] buf, int offset, int length)
offset
- The offset into the buffer from which to parse.length
- The number of header bytes to parse.value
- Description of Parameterbuf
- Description of Parameterpublic static int getLongOctalBytes(long value, byte[] buf, int offset, int length)
offset
- The offset into the buffer from which to parse.length
- The number of header bytes to parse.value
- Description of Parameterbuf
- Description of Parameterpublic static int getNameBytes(java.lang.StringBuffer name, byte[] buffer, int offset, int length)
offset
- The offset into the buffer from which to parse.length
- The number of header bytes to parse.name
- Description of Parameterbuffer
- Description of Parameterpublic static int getOctalBytes(long value, byte[] buffer, int offset, int length)
offset
- The offset into the buffer from which to parse.length
- The number of header bytes to parse.public static long computeCheckSum(byte[] buffer)
buffer
- The tar entry's header buffer.public static java.lang.StringBuffer parseName(byte[] header, int offset, int length)
header
- The header buffer from which to parse.offset
- The offset into the buffer from which to parse.length
- The number of header bytes to parse.public static long parseOctal(byte[] header, int offset, int length)
header
- The header buffer from which to parse.offset
- The offset into the buffer from which to parse.length
- The number of header bytes to parse.