{"id":26583,"date":"2021-04-29T23:10:06","date_gmt":"2021-04-30T03:10:06","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/recent-posts\/networkclienttest-java-makes-a-simple-connection-to-the-host-and-port-specified-on-the-command-line-uses-the-following-classes-programming-code-examples-java-j2ee-j2me-network-programming\/"},"modified":"2021-04-29T23:10:06","modified_gmt":"2021-04-30T03:10:06","slug":"networkclienttest-java-makes-a-simple-connection-to-the-host-and-port-specified-on-the-command-line-uses-the-following-classes-programming-code-examples-java-j2ee-j2me-network-programming","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=26583","title":{"rendered":"NetworkClientTest.java Makes a simple connection to the host and port specified on the command line. Uses the following classes: #Programming Code Examples #Java\/J2EE\/J2ME #Network Programming"},"content":{"rendered":"
\nNetworkClientTest.java  Makes a simple connection to the host and port specified on the command line. Uses the following classes:\n\n\/** Make simple connection to host and port specified.\n *\n *  Taken from Core Web Programming from\n *  Prentice Hall and Sun Microsystems Press,\n *  .\n *  © 2001 Marty Hall and Larry Brown;\n *  may be freely used or adapted.\n *\/\n\npublic class NetworkClientTest {\n  public static void main(String[] args) {\n    String host = "localhost";\n    int port = 8088;\n    if (args.length > 0) {\n      host = args[0];\n    }\n    if (args.length > 1) {\n      port = Integer.parseInt(args[1]);\n    }\n    NetworkClient nwClient = new NetworkClient(host, port);\n    nwClient.connect();\n  }\n}\n\n\n\nNetworkClient.java  Starting point for a network client to communicate with a remote computer.\n\nimport java.net.*;\nimport java.io.*;\n\n\/** A starting point for network clients. You'll need to\n *  override handleConnection, but in many cases connect can\n *  remain unchanged. It uses SocketUtil to simplify the\n *  creation of the PrintWriter and BufferedReader.\n *\n *  Taken from Core Web Programming from\n *  Prentice Hall and Sun Microsystems Press,\n *  .\n *  © 2001 Marty Hall and Larry Brown;\n *  may be freely used or adapted.\n *\/\n\npublic class NetworkClient {\n  protected String host;\n  protected int port;\n\n  \/** Register host and port. The connection won't\n   *  actually be established until you call\n   *  connect.\n   *\/\n\n  public NetworkClient(String host, int port) {\n    this.host = host;\n    this.port = port;\n  }\n\n  \/** Establishes the connection, then passes the socket\n   *  to handleConnection.\n   *\/\n\n  public void connect() {\n    try {\n      Socket client = new Socket(host, port);\n      handleConnection(client);\n    } catch(UnknownHostException uhe) {\n      System.out.println("Unknown host: " + host);\n      uhe.printStackTrace();\n    } catch(IOException ioe) {\n      System.out.println("IOException: " + ioe);\n      ioe.printStackTrace();\n    }\n  }\n\n  \/** This is the method you will override when\n   *  making a network client for your task.\n   *  The default version sends a single line\n   *  ("Generic Network Client") to the server,\n   *  reads one line of response, prints it, then exits.\n   *\/\n\n  protected void handleConnection(Socket client)\n    throws IOException {\n    PrintWriter out = SocketUtil.getWriter(client);\n    BufferedReader in = SocketUtil.getReader(client);\n    out.println("Generic Network Client");\n    System.out.println\n      ("Generic Network Client:n" +\n       "Made connection to " + host +\n       " and got '" + in.readLine() + "' in response");\n    client.close();\n  }\n\n  \/** The hostname of the server we're contacting. *\/\n\n  public String getHost() {\n    return(host);\n  }\n\n  \/** The port connection will be made on. *\/\n\n  public int getPort() {\n    return(port);\n  }\n}\n\n\nSocketUtil.java  Provides utilities for wrapping a BufferedReader around the Socket's input stream and a PrintWriter  around the Socket's output stream\n\nimport java.net.*;\nimport java.io.*;\n\n\/** A shorthand way to create BufferedReaders and\n *  PrintWriters associated with a Socket.\n *\n *  Taken from Core Web Programming from\n *  Prentice Hall and Sun Microsystems Press,\n *  .\n *  © 2001 Marty Hall and Larry Brown;\n *  may be freely used or adapted.\n *\/\n\npublic class SocketUtil {\n  \/** Make a BufferedReader to get incoming data. *\/\n\n  public static BufferedReader getReader(Socket s)\n      throws IOException {\n    return(new BufferedReader(\n       new InputStreamReader(s.getInputStream())));\n  }\n\n  \/** Make a PrintWriter to send outgoing data.\n   *  This PrintWriter will automatically flush stream\n   *  when println is called.\n   *\/\n\n  public static PrintWriter getWriter(Socket s)\n      throws IOException {\n    \/\/ Second argument of true means autoflush.\n    return(new PrintWriter(s.getOutputStream(), true));\n  }\n}\n\n \n<\/pre>\n
Note: Brought from our old site: http:\/\/www.salearningschool.com\/example_codes\/ on Jan 2nd, 2017 From: http:\/\/sitestree.com\/?p=10226
 Categories:Programming Code Examples, Java\/J2EE\/J2ME, Network Programming
Tags:Java\/J2EE\/J2MENetwork Programming
 Post Data:2017-01-02 16:04:28<\/p>\n
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NetworkClientTest.java Makes a simple connection to the host and port specified on the command line. Uses the following classes: \/** Make simple connection to host and port specified. * * Taken from Core Web Programming from * Prentice Hall and Sun Microsystems Press, * . * © 2001 Marty Hall and Larry Brown; * may … <\/p>\n
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