java.lang.Object
- java.io.InputStream
- - java.io.FilterInputStream
  - - uk.ac.starlink.util.DataBufferedInputStream

All Implemented Interfaces:

java.io.Closeable, java.io.DataInput, java.lang.AutoCloseable
```
public class DataBufferedInputStream
extends java.io.FilterInputStream
implements java.io.DataInput
```
InputStream which provides buffering and an efficient DataInput implementation. It can be much more efficient than layering a DataInputStream on top of a BufferedInputStream.

Since:

1 Mar 2022

Author:

Mark Taylor

Field Summary

Fields
Modifier and Type Field Description

static int DEFAULT_BUFFER_SIZE
Default buffer size 8192, same as java.io.BufferedInputStream.
- Fields inherited from class java.io.FilterInputStream
  in

Constructor Summary

Constructors
Constructor	Description
`DataBufferedInputStream(java.io.InputStream in)`	Constructs an instance with a default buffer size.
`DataBufferedInputStream(java.io.InputStream in, int size)`	Constructs an instance with a given buffer size.

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`int`	`available()`
`void`	`mark(int limit)`
`boolean`	`markSupported()`	Returns false;
`int`	`read()`
`int`	`read(byte[] b)`
`int`	`read(byte[] b, int off, int len)`
`boolean`	`readBoolean()`
`byte`	`readByte()`
`char`	`readChar()`
`double`	`readDouble()`
`float`	`readFloat()`
`void`	`readFully(byte[] b)`
`void`	`readFully(byte[] b, int off, int len)`
`int`	`readInt()`
`java.lang.String`	`readLine()`	Deprecated.
`long`	`readLong()`
`short`	`readShort()`
`int`	`readUnsignedByte()`
`int`	`readUnsignedShort()`
`java.lang.String`	`readUTF()`
`void`	`reset()`
`long`	`skip(long n)`
`int`	`skipBytes(int n)`

Methods inherited from class java.io.FilterInputStream
close

Methods inherited from class java.io.InputStream
nullInputStream, readAllBytes, readNBytes, readNBytes, transferTo

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - DEFAULT_BUFFER_SIZE
```
public static final int DEFAULT_BUFFER_SIZE
```
    Default buffer size 8192, same as java.io.BufferedInputStream.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - DataBufferedInputStream
```
public DataBufferedInputStream(java.io.InputStream in)
```
    Constructs an instance with a default buffer size.
    
    Parameters:
    
    in - base input stream
  - DataBufferedInputStream
```
public DataBufferedInputStream(java.io.InputStream in,
                               int size)
```
    Constructs an instance with a given buffer size.
    
    Parameters:
    
    in - base input stream
    
    size - buffer length in bytes
- Method Detail
  - read
```
public int read()
         throws java.io.IOException
```
    Overrides:
    
    read in class java.io.FilterInputStream
    
    Throws:
    
    java.io.IOException
  - read
```
public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException
```
    Overrides:
    
    read in class java.io.FilterInputStream
    
    Throws:
    
    java.io.IOException
  - read
```
public int read(byte[] b)
         throws java.io.IOException
```
    Overrides:
    
    read in class java.io.FilterInputStream
    
    Throws:
    
    java.io.IOException
  - skip
```
public long skip(long n)
          throws java.io.IOException
```
    Overrides:
    
    skip in class java.io.FilterInputStream
    
    Throws:
    
    java.io.IOException
  - available
```
public int available()
              throws java.io.IOException
```
    Overrides:
    
    available in class java.io.FilterInputStream
    
    Throws:
    
    java.io.IOException
  - markSupported
```
public boolean markSupported()
```
    Returns false;
    
    Overrides:
    
    markSupported in class java.io.FilterInputStream
  - mark
```
public void mark(int limit)
```
    Overrides:
    
    mark in class java.io.FilterInputStream
  - reset
```
public void reset()
           throws java.io.IOException
```
    Overrides:
    
    reset in class java.io.FilterInputStream
    
    Throws:
    
    java.io.IOException
  - readBoolean
```
public boolean readBoolean()
                    throws java.io.IOException
```
    Specified by:
    
    readBoolean in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readByte
```
public byte readByte()
              throws java.io.IOException
```
    Specified by:
    
    readByte in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readUnsignedByte
```
public int readUnsignedByte()
                     throws java.io.IOException
```
    Specified by:
    
    readUnsignedByte in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readShort
```
public short readShort()
                throws java.io.IOException
```
    Specified by:
    
    readShort in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readUnsignedShort
```
public int readUnsignedShort()
                      throws java.io.IOException
```
    Specified by:
    
    readUnsignedShort in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readChar
```
public char readChar()
              throws java.io.IOException
```
    Specified by:
    
    readChar in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readInt
```
public int readInt()
            throws java.io.IOException
```
    Specified by:
    
    readInt in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readLong
```
public long readLong()
              throws java.io.IOException
```
    Specified by:
    
    readLong in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readFloat
```
public float readFloat()
                throws java.io.IOException
```
    Specified by:
    
    readFloat in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readDouble
```
public double readDouble()
                  throws java.io.IOException
```
    Specified by:
    
    readDouble in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readFully
```
public void readFully(byte[] b)
               throws java.io.IOException
```
    Specified by:
    
    readFully in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readFully
```
public void readFully(byte[] b,
                      int off,
                      int len)
               throws java.io.IOException
```
    Specified by:
    
    readFully in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - readLine
```
@Deprecated
public java.lang.String readLine()
                          throws java.io.IOException
```
    Deprecated.
    
    This method is deprecated and unsupported.
    
    Specified by:
    
    readLine in interface java.io.DataInput
    
    Throws:
    
    java.lang.UnsupportedOperationException - always
    
    java.io.IOException
  - readUTF
```
public java.lang.String readUTF()
                         throws java.io.IOException
```
    Specified by:
    
    readUTF in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException
  - skipBytes
```
public int skipBytes(int n)
              throws java.io.IOException
```
    Specified by:
    
    skipBytes in interface java.io.DataInput
    
    Throws:
    
    java.io.IOException

Class DataBufferedInputStream

Field Summary

Fields inherited from class java.io.FilterInputStream

Constructor Summary

Method Summary

Methods inherited from class java.io.FilterInputStream

Methods inherited from class java.io.InputStream

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_BUFFER_SIZE

Constructor Detail

DataBufferedInputStream

DataBufferedInputStream

Method Detail

read

read

read

skip

available

markSupported

mark

reset

readBoolean

readByte

readUnsignedByte

readShort

readUnsignedShort

readChar

readInt

readLong

readFloat

readDouble

readFully

readFully

readLine

readUTF

skipBytes