Class DataOutput

  • All Implemented Interfaces:
    java.io.Closeable, java.io.DataOutput, java.io.Flushable, java.lang.AutoCloseable
    Direct Known Subclasses:
    DataBuffer

    public class DataOutput
    extends java.io.DataOutputStream
    Extends DataOutputStream with additional convenience methods.
    • Field Summary

      • Fields inherited from class java.io.DataOutputStream

        written
      • Fields inherited from class java.io.FilterOutputStream

        out
    • Constructor Summary

      Constructors 
      Constructor Description
      DataOutput​(java.io.OutputStream out)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int writeInt​(int value, boolean optimizePositive)
      Writes a 1-5 byte int.
      void writeString​(java.lang.String value)
      Writes a length and then the string as UTF8.
      • Methods inherited from class java.io.DataOutputStream

        flush, size, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF
      • Methods inherited from class java.io.FilterOutputStream

        close, write
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
      • Methods inherited from interface java.io.DataOutput

        write
    • Constructor Detail

      • DataOutput

        public DataOutput​(java.io.OutputStream out)
    • Method Detail

      • writeInt

        public int writeInt​(int value,
                            boolean optimizePositive)
                     throws java.io.IOException
        Writes a 1-5 byte int.
        Parameters:
        optimizePositive - If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (5 bytes).
        Throws:
        java.io.IOException
      • writeString

        public void writeString​(@Null
                                java.lang.String value)
                         throws java.io.IOException
        Writes a length and then the string as UTF8.
        Parameters:
        value - May be null.
        Throws:
        java.io.IOException