public class ArchiveUtils extends Object
Modifier and Type | Method and Description |
---|---|
static boolean |
isArrayZero(byte[] a,
int size)
Returns true if the first N bytes of an array are all zero
|
static boolean |
isEqual(byte[] buffer1,
byte[] buffer2)
Compare byte buffers
|
static boolean |
isEqual(byte[] buffer1,
byte[] buffer2,
boolean ignoreTrailingNulls)
Compare byte buffers, optionally ignoring trailing nulls
|
static boolean |
isEqual(byte[] buffer1,
int offset1,
int length1,
byte[] buffer2,
int offset2,
int length2)
Compare byte buffers
|
static boolean |
isEqual(byte[] buffer1,
int offset1,
int length1,
byte[] buffer2,
int offset2,
int length2,
boolean ignoreTrailingNulls)
Compare byte buffers, optionally ignoring trailing nulls
|
static boolean |
isEqualWithNull(byte[] buffer1,
int offset1,
int length1,
byte[] buffer2,
int offset2,
int length2)
Compare byte buffers, ignoring trailing nulls
|
static boolean |
matchAsciiBuffer(String expected,
byte[] buffer)
Check if buffer contents matches Ascii String.
|
static boolean |
matchAsciiBuffer(String expected,
byte[] buffer,
int offset,
int length)
Check if buffer contents matches Ascii String.
|
static byte[] |
toAsciiBytes(String inputString)
Convert a string to Ascii bytes.
|
static String |
toAsciiString(byte[] inputBytes)
Convert an input byte array to a String using the ASCII character set.
|
static String |
toAsciiString(byte[] inputBytes,
int offset,
int length)
Convert an input byte array to a String using the ASCII character set.
|
static String |
toString(ArchiveEntry entry)
Generates a string containing the name, isDirectory setting and size of an entry.
|
public static String toString(ArchiveEntry entry)
For example:
- 2000 main.c d 100 testfiles
entry
- the entrypublic static boolean matchAsciiBuffer(String expected, byte[] buffer, int offset, int length)
expected
- expected stringbuffer
- the bufferoffset
- offset to read fromlength
- length of the buffertrue
if buffer is the same as the expected stringpublic static boolean matchAsciiBuffer(String expected, byte[] buffer)
expected
- the expected strinbuffer
- the buffertrue
if buffer is the same as the expected stringpublic static byte[] toAsciiBytes(String inputString)
inputString
- string to convertpublic static String toAsciiString(byte[] inputBytes)
inputBytes
- bytes to convertpublic static String toAsciiString(byte[] inputBytes, int offset, int length)
inputBytes
- input byte arrayoffset
- offset within arraylength
- length of arraypublic static boolean isEqual(byte[] buffer1, int offset1, int length1, byte[] buffer2, int offset2, int length2, boolean ignoreTrailingNulls)
buffer1
- first bufferoffset1
- first offsetlength1
- first lengthbuffer2
- second bufferoffset2
- second offsetlength2
- second lengthignoreTrailingNulls
- whether to ignore trailing nullstrue
if buffer1 and buffer2 have same contents, having regard to trailing nullspublic static boolean isEqual(byte[] buffer1, int offset1, int length1, byte[] buffer2, int offset2, int length2)
buffer1
- the first bufferoffset1
- the first offsetlength1
- the first lengthbuffer2
- the second bufferoffset2
- the second offsetlength2
- the second lengthtrue
if buffer1 and buffer2 have same contentspublic static boolean isEqual(byte[] buffer1, byte[] buffer2)
buffer1
- the first bufferbuffer2
- the second buffertrue
if buffer1 and buffer2 have same contentspublic static boolean isEqual(byte[] buffer1, byte[] buffer2, boolean ignoreTrailingNulls)
buffer1
- the first bufferbuffer2
- the second bufferignoreTrailingNulls
- whether to ignore tariling nullstrue
if buffer1 and buffer2 have same contentspublic static boolean isEqualWithNull(byte[] buffer1, int offset1, int length1, byte[] buffer2, int offset2, int length2)
buffer1
- the first bufferoffset1
- the first offsetlength1
- the first lengthbuffer2
- the second bufferoffset2
- the second offsetlength2
- the second lengthtrue
if buffer1 and buffer2 have same contents, having regard to trailing nullspublic static boolean isArrayZero(byte[] a, int size)
a
- The array to checksize
- The number of characters to check (not the size of the array)Copyright © 2015 The Apache Software Foundation. All rights reserved.