public class GSByteArrayInputStream extends InputStream
| Modifier and Type | Field and Description |
|---|---|
protected byte[] |
_buffer
An array of bytes that was provided by the creator of the stream.
|
protected int |
_count
The index one greater than the last valid character in the input stream buffer.
|
protected int |
_position
The index of the next character to read from the input stream buffer.
|
| Constructor and Description |
|---|
GSByteArrayInputStream(byte[] buffer)
Creates a
ByteArrayInputStream so that it uses buffer as its
buffer array. |
| Modifier and Type | Method and Description |
|---|---|
int |
available()
Returns the number of bytes that can be read from this input stream without blocking.
|
byte[] |
getBuffer() |
int |
read()
Reads the next byte of data from this input stream.
|
int |
read(byte[] b,
int off,
int len)
Reads up to
len bytes of data into an array of bytes from this input stream. |
byte |
readByte() |
int |
readUnsignedByte() |
void |
reset() |
void |
setBuffer(byte[] buffer)
Sets a
GSByteArrayInputStream so that it uses buffer as its buffer
array. |
void |
setBuffer(byte[] buffer,
int count)
Sets a
GSByteArrayInputStream so that it uses buffer as its buffer
array. |
long |
skip(long n)
Skips
n bytes of input from this input stream. |
close, mark, markSupported, readprotected byte[] _buffer
buf[0] through buffer[count-1] are the only bytes that can ever be
read from the stream; element buffer[pos] is the next byte to be read.protected int _position
count. The next byte to
be read from the input stream buffer will be buffer[position].protected int _count
buffer. It is
one greater than the position of the last byte within buffer that can ever be
read from the input stream buffer.public GSByteArrayInputStream(byte[] buffer)
ByteArrayInputStream so that it uses buffer as its
buffer array. The buffer array is not copied. The initial value of pos is
0 and the initial value of count is the length of
buffer.buffer - the input buffer.public void setBuffer(byte[] buffer)
GSByteArrayInputStream so that it uses buffer as its buffer
array. The buffer array is not copied. The initial value of pos is
0 and the initial value of count is the length of
buffer.buffer - the input buffer.public void setBuffer(byte[] buffer,
int count)
GSByteArrayInputStream so that it uses buffer as its buffer
array. The buffer array is not copied. The initial value of pos is
0 and the initial valuebuffer - the input buffer.count - the actual count.public void reset()
reset in class InputStreampublic byte[] getBuffer()
public int read()
int in the range 0 to 255. If no byte is available
because the end of the stream has been reached, the value -1 is returned.
This read method cannot block.
read in class InputStream-1 if the end of the stream has been reached.public byte readByte()
public int readUnsignedByte()
public int read(byte[] b,
int off,
int len)
len bytes of data into an array of bytes from this input stream. If
pos equals count, then -1 is returned to indicate end
of file. Otherwise, the number k of bytes read is equal to the smaller of
len and count-pos. If k is positive, then bytes
buffer[pos] through buffer[pos+k-1] are copied into
b[off] through b[off+k-1] in the manner performed by
System.arraycopy. The value k is added into pos and
k is returned. This read method cannot block.
read in class InputStreamb - the buffer into which the data is read.off - the start offset of the data.len - the maximum number of bytes read.-1 if there is no
more data because the end of the stream has been reached.public long skip(long n)
n bytes of input from this input stream. Fewer bytes might be skipped if
the end of the input stream is reached. The actual number k of bytes to be
skipped is equal to the smaller of n and count-pos. The value
k is added into pos and k is returned.skip in class InputStreamn - the number of bytes to be skipped.public int available()
count - pos, which is the number of bytes remaining to be
read from the input buffer.available in class InputStreamCopyright © GigaSpaces.