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LittleEndianDataInputStream (Guava: Google Core Libraries for Java 11.0.1 API)













    






    

    



    
  
    
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com.google.common.io

    
Class LittleEndianDataInputStream
    

    java.lang.Object
  extended by java.io.InputStream
      extended by java.io.FilterInputStream
          extended by com.google.common.io.LittleEndianDataInputStream

    

    

    All Implemented Interfaces: 
    Closeable, DataInput
    

    

    

    

    @Beta
public final class LittleEndianDataInputStream
    extends FilterInputStream
    implements DataInput

    An implementation of DataInput that uses little-endian byte ordering for reading short, int, float, double, and long values.

    Note: This class intentionally violates the specification of its supertype DataInput, which explicitly requires big-endian byte order.

    Since:
    8.0
    Author:
    Chris Nokleberg, Keith Bottner

    Field Summary
     
    Fields inherited from class java.io.FilterInputStream
    in
     
    Constructor Summary
    LittleEndianDataInputStream(InputStream in)
              Creates a LittleEndianDataInputStream that wraps the given stream.
     
    Method Summary
     boolean readBoolean()
               
     byte readByte()
               
     char readChar()
              Reads a char as specified by DataInputStream.readChar(), except using little-endian byte order.
     double readDouble()
              Reads a double as specified by DataInputStream.readDouble(), except using little-endian byte order.
     float readFloat()
              Reads a float as specified by DataInputStream.readFloat(), except using little-endian byte order.
     void readFully(byte[] b)
               
     void readFully(byte[] b, int off, int len)
               
     int readInt()
              Reads an integer as specified by DataInputStream.readInt(), except using little-endian byte order.
     String readLine()
              This method will throw an UnsupportedOperationException.
     long readLong()
              Reads a long as specified by DataInputStream.readLong(), except using little-endian byte order.
     short readShort()
              Reads a short as specified by DataInputStream.readShort(), except using little-endian byte order.
     int readUnsignedByte()
               
     int readUnsignedShort()
              Reads an unsigned short as specified by DataInputStream.readUnsignedShort(), except using little-endian byte order.
     String readUTF()
               
     int skipBytes(int n)
               
     
    Methods inherited from class java.io.FilterInputStream
    available, close, 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

    LittleEndianDataInputStream

    public LittleEndianDataInputStream(InputStream in)
    Creates a LittleEndianDataInputStream that wraps the given stream.

    Parameters:
    in - the stream to delegate to
    Method Detail

    readLine

    public String readLine()
    This method will throw an UnsupportedOperationException.

    Specified by:
    readLine in interface DataInput

    readFully

    public void readFully(byte[] b)
               throws IOException
    Specified by:
    readFully in interface DataInput
    Throws:
    IOException

    readFully

    public void readFully(byte[] b,
                      int off,
                      int len)
               throws IOException
    Specified by:
    readFully in interface DataInput
    Throws:
    IOException

    skipBytes

    public int skipBytes(int n)
              throws IOException
    Specified by:
    skipBytes in interface DataInput
    Throws:
    IOException

    readUnsignedByte

    public int readUnsignedByte()
                     throws IOException
    Specified by:
    readUnsignedByte in interface DataInput
    Throws:
    IOException

    readUnsignedShort

    public int readUnsignedShort()
                      throws IOException
    Reads an unsigned short as specified by DataInputStream.readUnsignedShort(), except using little-endian byte order.

    Specified by:
    readUnsignedShort in interface DataInput
    Returns:
    the next two bytes of the input stream, interpreted as an unsigned 16-bit integer in little-endian byte order
    Throws:
    IOException - if an I/O error occurs

    readInt

    public int readInt()
            throws IOException
    Reads an integer as specified by DataInputStream.readInt(), except using little-endian byte order.

    Specified by:
    readInt in interface DataInput
    Returns:
    the next four bytes of the input stream, interpreted as an int in little-endian byte order
    Throws:
    IOException - if an I/O error occurs

    readLong

    public long readLong()
              throws IOException
    Reads a long as specified by DataInputStream.readLong(), except using little-endian byte order.

    Specified by:
    readLong in interface DataInput
    Returns:
    the next eight bytes of the input stream, interpreted as a long in little-endian byte order
    Throws:
    IOException - if an I/O error occurs

    readFloat

    public float readFloat()
                throws IOException
    Reads a float as specified by DataInputStream.readFloat(), except using little-endian byte order.

    Specified by:
    readFloat in interface DataInput
    Returns:
    the next four bytes of the input stream, interpreted as a float in little-endian byte order
    Throws:
    IOException - if an I/O error occurs

    readDouble

    public double readDouble()
                  throws IOException
    Reads a double as specified by DataInputStream.readDouble(), except using little-endian byte order.

    Specified by:
    readDouble in interface DataInput
    Returns:
    the next eight bytes of the input stream, interpreted as a double in little-endian byte order
    Throws:
    IOException - if an I/O error occurs

    readUTF

    public String readUTF()
               throws IOException
    Specified by:
    readUTF in interface DataInput
    Throws:
    IOException

    readShort

    public short readShort()
                throws IOException
    Reads a short as specified by DataInputStream.readShort(), except using little-endian byte order.

    Specified by:
    readShort in interface DataInput
    Returns:
    the next two bytes of the input stream, interpreted as a short in little-endian byte order.
    Throws:
    IOException - if an I/O error occurs.

    readChar

    public char readChar()
              throws IOException
    Reads a char as specified by DataInputStream.readChar(), except using little-endian byte order.

    Specified by:
    readChar in interface DataInput
    Returns:
    the next two bytes of the input stream, interpreted as a char in little-endian byte order
    Throws:
    IOException - if an I/O error occurs

    readByte

    public byte readByte()
              throws IOException
    Specified by:
    readByte in interface DataInput
    Throws:
    IOException

    readBoolean

    public boolean readBoolean()
                    throws IOException
    Specified by:
    readBoolean in interface DataInput
    Throws:
    IOException
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