Example usage for org.apache.commons.net FingerClient connect

Introduction

In this page you can find the example usage for org.apache.commons.net FingerClient connect.

Prototype

public void connect(InetAddress host) throws SocketException, IOException 

Source Link

Document

Opens a Socket connected to a remote host at the current default port and originating from the current host at a system assigned port.

Usage

From source file:examples.finger.java

public static final void main(String[] args) {
    boolean longOutput = false;
    int arg = 0, index;
    String handle, host;//from www .j av  a  2 s. c om
    FingerClient finger;
    InetAddress address = null;

    // Get flags.  If an invalid flag is present, exit with usage message.
    while (arg < args.length && args[arg].startsWith("-")) {
        if (args[arg].equals("-l"))
            longOutput = true;
        else {
            System.err.println("usage: finger [-l] [[[handle][@<server>]] ...]");
            System.exit(1);
        }
        ++arg;
    }

    finger = new FingerClient();
    // We want to timeout if a response takes longer than 60 seconds
    finger.setDefaultTimeout(60000);

    if (arg >= args.length) {
        // Finger local host

        try {
            address = InetAddress.getLocalHost();
        } catch (UnknownHostException e) {
            System.err.println("Error unknown host: " + e.getMessage());
            System.exit(1);
        }

        try {
            finger.connect(address);
            System.out.print(finger.query(longOutput));
            finger.disconnect();
        } catch (IOException e) {
            System.err.println("Error I/O exception: " + e.getMessage());
            System.exit(1);
        }

        return;
    }

    // Finger each argument
    while (arg < args.length) {

        index = args[arg].lastIndexOf("@");

        if (index == -1) {
            handle = args[arg];
            try {
                address = InetAddress.getLocalHost();
            } catch (UnknownHostException e) {
                System.err.println("Error unknown host: " + e.getMessage());
                System.exit(1);
            }
        } else {
            handle = args[arg].substring(0, index);
            host = args[arg].substring(index + 1);

            try {
                address = InetAddress.getByName(host);
            } catch (UnknownHostException e) {
                System.err.println("Error unknown host: " + e.getMessage());
                System.exit(1);
            }
        }

        System.out.println("[" + address.getHostName() + "]");

        try {
            finger.connect(address);
            System.out.print(finger.query(longOutput, handle));
            finger.disconnect();
        } catch (IOException e) {
            System.err.println("Error I/O exception: " + e.getMessage());
            System.exit(1);
        }

        ++arg;
        if (arg != args.length)
            System.out.print("\n");
    }
}

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