public class SimpleDataInput extends ByteInputStream implements DataInput
Modifier and Type | Field and Description |
---|---|
protected byte[] |
buffer
The internal buffer.
|
protected int |
limit
The buffer limit.
|
protected int |
position
The buffer position.
|
byteInput
Constructor and Description |
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SimpleDataInput(ByteInput byteInput)
Construct a new instance.
|
SimpleDataInput(int bufferSize)
Construct a new instance which wraps nothing.
|
SimpleDataInput(int bufferSize,
ByteInput byteInput)
Construct a new instance.
|
Modifier and Type | Method and Description |
---|---|
int |
available()
Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without
blocking by the next invocation of a method for this input stream.
|
void |
close() |
protected void |
finish()
Finish reading from the current input.
|
int |
read()
Reads the next byte of data from the input stream.
|
int |
read(byte[] b)
Read some bytes from the input stream into the given array.
|
int |
read(byte[] b,
int off,
int len)
Read some bytes from the input stream into the given array.
|
boolean |
readBoolean() |
byte |
readByte() |
char |
readChar() |
double |
readDouble() |
float |
readFloat() |
void |
readFully(byte[] b) |
void |
readFully(byte[] b,
int off,
int len) |
int |
readInt() |
protected int |
readIntDirect()
Read an int value.
|
String |
readLine() |
long |
readLong() |
protected long |
readLongDirect() |
short |
readShort() |
int |
readUnsignedByte() |
protected int |
readUnsignedByteDirect()
Read an unsigned byte directly.
|
int |
readUnsignedShort() |
String |
readUTF() |
long |
skip(long n)
Skips over and discards up to
n bytes of data from this input stream. |
int |
skipBytes(int n) |
protected void |
start(ByteInput byteInput)
Start reading from the given input.
|
mark, markSupported, reset
protected final byte[] buffer
protected int position
protected int limit
public SimpleDataInput(int bufferSize)
bufferSize
- the internal buffer size to usepublic SimpleDataInput(int bufferSize, ByteInput byteInput)
bufferSize
- the internal buffer size to usebyteInput
- the byte input to initially wrappublic SimpleDataInput(ByteInput byteInput)
byteInput
- the byte input to initially wrappublic int read() throws IOException
read
in interface ByteInput
read
in class ByteInputStream
IOException
- if an error occurspublic int read(byte[] b) throws IOException
read
in interface ByteInput
read
in class ByteInputStream
b
- the destination arrayIOException
- if an error occurspublic int read(byte[] b, int off, int len) throws IOException
read
in interface ByteInput
read
in class ByteInputStream
b
- the destination arrayoff
- the offset into the array into which data should be readlen
- the number of bytes to attempt to fill in the destination arrayIOException
- if an error occurspublic long skip(long n) throws IOException
n
bytes of data from this input stream. If the end of stream is reached,
this method returns 0
in order to be consistent with InputStream.skip(long)
.skip
in interface ByteInput
skip
in class ByteInputStream
n
- the number of bytes to attempt to skipIOException
- if an error occurspublic int available() throws IOException
available
in interface ByteInput
available
in class ByteInputStream
IOException
- if an error occurspublic void readFully(byte[] b) throws IOException
readFully
in interface DataInput
IOException
public void readFully(byte[] b, int off, int len) throws IOException
readFully
in interface DataInput
IOException
public int skipBytes(int n) throws IOException
skipBytes
in interface DataInput
IOException
public boolean readBoolean() throws IOException
readBoolean
in interface DataInput
IOException
public byte readByte() throws IOException
readByte
in interface DataInput
IOException
public int readUnsignedByte() throws IOException
readUnsignedByte
in interface DataInput
IOException
public short readShort() throws IOException
readShort
in interface DataInput
IOException
public int readUnsignedShort() throws IOException
readUnsignedShort
in interface DataInput
IOException
protected int readUnsignedByteDirect() throws IOException
IOException
- if an error occurspublic char readChar() throws IOException
readChar
in interface DataInput
IOException
public int readInt() throws IOException
readInt
in interface DataInput
IOException
public long readLong() throws IOException
readLong
in interface DataInput
IOException
protected long readLongDirect() throws IOException
IOException
public float readFloat() throws IOException
readFloat
in interface DataInput
IOException
protected int readIntDirect() throws IOException
IOException
- if an error occurspublic double readDouble() throws IOException
readDouble
in interface DataInput
IOException
public String readLine() throws IOException
readLine
in interface DataInput
IOException
public String readUTF() throws IOException
readUTF
in interface DataInput
IOException
public void close() throws IOException
close
in interface Closeable
close
in interface AutoCloseable
close
in class ByteInputStream
IOException
protected void start(ByteInput byteInput) throws IOException
byteInput
- the new input from which to readIOException
- not thrown by this implementation, but may be overridden to be thrown if a problem occursprotected void finish() throws IOException
IOException
- not thrown by this implementation, but may be overridden to be thrown if a problem occursCopyright © 2016 JBoss by Red Hat. All rights reserved.