SwappedDataInputStream (Apache Commons IO 2.5 API)

java.lang.Object
- java.io.InputStream
- - java.io.FilterInputStream
  - - org.apache.commons.io.input.ProxyInputStream
    - - org.apache.commons.io.input.SwappedDataInputStream

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable
```
public class SwappedDataInputStream
extends ProxyInputStream
implements DataInput
```
DataInput for systems relying on little endian data formats. When read, values will be changed from little endian to big endian formats for internal usage.
Origin of code: Avalon Excalibur (IO)

Version:

CVS $Revision: 1302050 $

Field Summary
- Fields inherited from class java.io.FilterInputStream
  in

Constructor Summary

Constructors
Constructor and Description

SwappedDataInputStream(InputStream input)
Constructs a SwappedDataInputStream.

Constructors
Constructor and Description
`SwappedDataInputStream(InputStream input)` Constructs a SwappedDataInputStream.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`readBoolean()` Return `readByte() != 0`
`byte`	`readByte()` Invokes the delegate's `read()` method.
`char`	`readChar()` Reads a character delegating to `readShort()`.
`double`	`readDouble()` Delegates to `EndianUtils.readSwappedDouble(InputStream)`.
`float`	`readFloat()` Delegates to `EndianUtils.readSwappedFloat(InputStream)`.
`void`	`readFully(byte[] data)` Invokes the delegate's `read(byte[] data, int, int)` method.
`void`	`readFully(byte[] data, int offset, int length)` Invokes the delegate's `read(byte[] data, int, int)` method.
`int`	`readInt()` Delegates to `EndianUtils.readSwappedInteger(InputStream)`.
`String`	`readLine()` Not currently supported - throws `UnsupportedOperationException`.
`long`	`readLong()` Delegates to `EndianUtils.readSwappedLong(InputStream)`.
`short`	`readShort()` Delegates to `EndianUtils.readSwappedShort(InputStream)`.
`int`	`readUnsignedByte()` Invokes the delegate's `read()` method.
`int`	`readUnsignedShort()` Delegates to `EndianUtils.readSwappedUnsignedShort(InputStream)`.
`String`	`readUTF()` Not currently supported - throws `UnsupportedOperationException`.
`int`	`skipBytes(int count)` Invokes the delegate's `skip(int)` method.

Methods inherited from class org.apache.commons.io.input.ProxyInputStream
afterRead, available, beforeRead, close, handleIOException, mark, markSupported, read, read, read, reset, skip

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

- Constructor Detail
  - SwappedDataInputStream
```
public SwappedDataInputStream(InputStream input)
```
    Constructs a SwappedDataInputStream.
    
    Parameters:
    input - InputStream to read from
- Method Detail
  - readBoolean
```
public boolean readBoolean()
                    throws IOException,
                           EOFException
```
    Return readByte() != 0
    
    Specified by:
    
    readBoolean in interface DataInput
    
    Returns:
    false if the byte read is zero, otherwise true
    
    Throws:
    
    IOException - if an I/O error occurs
    
    EOFException - if an end of file is reached unexpectedly
  - readByte
```
public byte readByte()
              throws IOException,
                     EOFException
```
    Invokes the delegate's read() method.
    
    Specified by:
    
    readByte in interface DataInput
    
    Returns:
    the byte read or -1 if the end of stream
    
    Throws:
    
    IOException - if an I/O error occurs
    
    EOFException - if an end of file is reached unexpectedly
  - readChar
```
public char readChar()
              throws IOException,
                     EOFException
```
    Reads a character delegating to readShort().
    
    Specified by:
    
    readChar in interface DataInput
    
    Returns:
    the byte read or -1 if the end of stream
    
    Throws:
    
    IOException - if an I/O error occurs
    
    EOFException - if an end of file is reached unexpectedly
  - readDouble
```
public double readDouble()
                  throws IOException,
                         EOFException
```
    Delegates to EndianUtils.readSwappedDouble(InputStream).
    
    Specified by:
    
    readDouble in interface DataInput
    
    Returns:
    the read long
    
    Throws:
    
    IOException - if an I/O error occurs
    
    EOFException - if an end of file is reached unexpectedly
  - readFloat
```
public float readFloat()
                throws IOException,
                       EOFException
```
    Delegates to EndianUtils.readSwappedFloat(InputStream).
    
    Specified by:
    
    readFloat in interface DataInput
    
    Returns:
    the read long
    
    Throws:
    
    IOException - if an I/O error occurs
    
    EOFException - if an end of file is reached unexpectedly
  - readFully
```
public void readFully(byte[] data)
               throws IOException,
                      EOFException
```
    Invokes the delegate's read(byte[] data, int, int) method.
    
    Specified by:
    
    readFully in interface DataInput
    
    Parameters:
    data - the buffer to read the bytes into
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - readFully
```
public void readFully(byte[] data,
             int offset,
             int length)
               throws IOException,
                      EOFException
```
    Invokes the delegate's read(byte[] data, int, int) method.
    
    Specified by:
    
    readFully in interface DataInput
    
    Parameters:
    data - the buffer to read the bytes into
    offset - The start offset
    length - The number of bytes to read
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - readInt
```
public int readInt()
            throws IOException,
                   EOFException
```
    Delegates to EndianUtils.readSwappedInteger(InputStream).
    
    Specified by:
    
    readInt in interface DataInput
    
    Returns:
    the read long
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - readLine
```
public String readLine()
                throws IOException,
                       EOFException
```
    Not currently supported - throws UnsupportedOperationException.
    
    Specified by:
    
    readLine in interface DataInput
    
    Returns:
    the line read
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - readLong
```
public long readLong()
              throws IOException,
                     EOFException
```
    Delegates to EndianUtils.readSwappedLong(InputStream).
    
    Specified by:
    
    readLong in interface DataInput
    
    Returns:
    the read long
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - readShort
```
public short readShort()
                throws IOException,
                       EOFException
```
    Delegates to EndianUtils.readSwappedShort(InputStream).
    
    Specified by:
    
    readShort in interface DataInput
    
    Returns:
    the read long
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - readUnsignedByte
```
public int readUnsignedByte()
                     throws IOException,
                            EOFException
```
    Invokes the delegate's read() method.
    
    Specified by:
    
    readUnsignedByte in interface DataInput
    
    Returns:
    the byte read or -1 if the end of stream
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - readUnsignedShort
```
public int readUnsignedShort()
                      throws IOException,
                             EOFException
```
    Delegates to EndianUtils.readSwappedUnsignedShort(InputStream).
    
    Specified by:
    
    readUnsignedShort in interface DataInput
    
    Returns:
    the read long
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - readUTF
```
public String readUTF()
               throws IOException,
                      EOFException
```
    Not currently supported - throws UnsupportedOperationException.
    
    Specified by:
    
    readUTF in interface DataInput
    
    Returns:
    UTF String read
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs
  - skipBytes
```
public int skipBytes(int count)
              throws IOException,
                     EOFException
```
    Invokes the delegate's skip(int) method.
    
    Specified by:
    
    skipBytes in interface DataInput
    
    Parameters:
    count - the number of bytes to skip
    
    Returns:
    the number of bytes to skipped or -1 if the end of stream
    
    Throws:
    
    EOFException - if an end of file is reached unexpectedly
    
    IOException - if an I/O error occurs

Class SwappedDataInputStream

Field Summary

Fields inherited from class java.io.FilterInputStream

Constructor Summary

Method Summary

Methods inherited from class org.apache.commons.io.input.ProxyInputStream

Methods inherited from class java.lang.Object

Constructor Detail

SwappedDataInputStream

Method Detail

readBoolean

readByte

readChar

readDouble

readFloat

readFully

readFully

readInt

readLine

readLong

readShort

readUnsignedByte

readUnsignedShort

readUTF

skipBytes