Package py4j

Class NetworkUtil

  • public class NetworkUtil
extends java.lang.Object

    Utility class used to perform network operations.

    • Constructor Summary

      Constructors 
      Constructor Description
      NetworkUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void quietlyClose​(java.io.Closeable closeable)  
      static void quietlyClose​(java.net.ServerSocket closeable)  
      static void quietlyClose​(java.net.Socket closeable)  
      static void quietlySetLinger​(java.net.Socket socket)
      Will send a RST packet on close, which should make both remote write and read operations fail.
      static java.lang.String safeReadLine​(java.io.BufferedReader reader)  
      static java.lang.String safeReadLine​(java.io.BufferedReader reader, boolean addSpace)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • NetworkUtil

        public NetworkUtil()

    • Method Detail

      • safeReadLine

        public static java.lang.String safeReadLine​(java.io.BufferedReader reader,
                                            boolean addSpace)
                                     throws java.io.IOException
        Parameters:
        reader -
        addSpace -
        Returns:
        A non-null String with an optional space if it is empty.
        Throws:
        java.io.IOException

      • safeReadLine

        public static java.lang.String safeReadLine​(java.io.BufferedReader reader)
                                     throws java.io.IOException
        Parameters:
        reader -
        Returns:
        A String of at least one character (space if null or empty).
        Throws:
        java.io.IOException

      • quietlyClose

        public static void quietlyClose​(java.io.Closeable closeable)

      • quietlyClose

        public static void quietlyClose​(java.net.ServerSocket closeable)

      • quietlyClose

        public static void quietlyClose​(java.net.Socket closeable)

      • quietlySetLinger

        public static void quietlySetLinger​(java.net.Socket socket)

        Will send a RST packet on close, which should make both remote write and read operations fail.

        Parameters:
        socket -