Example usage for java.net ServerSocket close

Introduction

In this page you can find the example usage for java.net ServerSocket close.

Prototype

public void close() throws IOException

Source Link

Document

Closes this socket.

Usage

From source file:eu.wordnice.wnconsole.WNCUtils.java

/*** PROTECTED ***/
protected static Handler.OneVoidHandler<Logger> createOnDisable(final ServerSocket sock) {
    return new Handler.OneVoidHandler<Logger>() {
        @Override//from   w  ww  .j  a va2 s . co  m
        public void handle(Logger lg) {
            try {
                sock.close();
                lg.info("WNConsole was disabled!");
            } catch (Throwable tr) {
                lg.severe("Ups, cannot close server service! Details:");
                tr.printStackTrace();
            }
        }
    };
}

From source file:Main.java

/**
 * Checks to see if a specific port is available.
 * /*w w w .ja  v a 2 s. c  om*/
 * @Author From apache Mina project
 * 
 * @param port
 *            the port to check for availability
 */
public static boolean portAvailable(final int port) {
    if (port < 1 || port > 30000) {
        throw new IllegalArgumentException("Invalid start port: " + port);
    }

    java.net.ServerSocket ss = null;
    java.net.DatagramSocket ds = null;
    try {
        ss = new java.net.ServerSocket(port);
        ss.setReuseAddress(true);
        ds = new java.net.DatagramSocket(port);
        ds.setReuseAddress(true);
        return true;
    } catch (final java.io.IOException e) {
    } finally {
        if (ds != null) {
            ds.close();
        }

        if (ss != null) {
            try {
                ss.close();
            } catch (final java.io.IOException e) {
                /* should not be thrown */
            }
        }
    }

    return false;
}

From source file:org.zodiark.publisher.PublisherTest.java

public final static int findFreePort() {
    ServerSocket socket = null;

    try {//from   ww  w  . ja v  a  2s  .  com
        socket = new ServerSocket(0);

        return socket.getLocalPort();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (socket != null) {
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return 8080;
}

From source file:Main.java

/**
 * Checks to see if a specific port is available.
 *
 * @param port the port to check for availability
 * Code from http://mina.apache.org///from   ww w  . j a v a 2  s.  c  o  m
 */
public static boolean available(int port) {
    ServerSocket ss = null;
    DatagramSocket ds = null;
    try {
        ss = new ServerSocket(port);
        ss.setReuseAddress(true);
        ds = new DatagramSocket(port);
        ds.setReuseAddress(true);
        return true;
    } catch (IOException e) {
        /* falls through */
    } finally {
        if (ds != null) {
            ds.close();
        }

        if (ss != null) {
            try {
                ss.close();
            } catch (IOException e) {
                /* should not be thrown */
            }
        }
    }
    return false;
}

From source file:com.image32.demo.simpleapi.SimpleApiDemo.java

public static boolean checkPortAvailablity(int port) {

    ServerSocket ss = null;
    DatagramSocket ds = null;//w ww . j  av a  2 s.  com
    try {
        ss = new ServerSocket(port);
        ss.setReuseAddress(true);
        ds = new DatagramSocket(port);
        ds.setReuseAddress(true);
        return true;
    } catch (IOException e) {
    } finally {
        if (ds != null) {
            ds.close();
        }
        if (ss != null) {
            try {
                ss.close();
            } catch (IOException e) {
                return false;
            }
        }
    }
    return false;
}

From source file:org.overture.ct.ctruntime.tests.CtTestCaseBase.java

public static int findAvailablePort(int fromPort, int toPort) {
    if (fromPort > toPort) {
        throw new IllegalArgumentException("startPortShouldBeLessThanOrEqualToEndPort");
    }//  w  w  w.j  av  a  2 s .c om

    int port = fromPort;
    ServerSocket socket = null;
    while (port <= toPort) {
        try {
            socket = new ServerSocket(port);
            return port;
        } catch (IOException e) {
            ++port;
        } finally {
            if (socket != null) {
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    return -1;
}

From source file:com.baomidou.mybatisplus.toolkit.IOUtils.java

/**
 * Closes a <code>ServerSocket</code> unconditionally.
 * <p>/*from  w  ww. j  a  v  a 2 s  .co m*/
 * Equivalent to {@link ServerSocket#close()}, except any exceptions will be ignored. This is typically used in
 * finally blocks.
 * <p>
 * Example code:
 * <p>
 * <pre>
 * ServerSocket socket = null;
 * try {
 *    socket = new ServerSocket();
 *    // process socket
 *    socket.close();
 * } catch (Exception e) {
 *    // error handling
 * } finally {
 *    IOUtils.closeQuietly(socket);
 * }
 * </pre>
 *
 * @param sock the ServerSocket to close, may be null or already closed
 * @since 2.2
 */
public static void closeQuietly(final ServerSocket sock) {
    if (sock != null) {
        try {
            sock.close();
        } catch (final IOException ioe) {
            logger.error("error close io", ioe);
        }
    }
}

From source file:com.ngdata.hbaseindexer.impl.IndexerModelImplTest.java

public static int getFreePort() {
    ServerSocket socket = null;
    try {/*from  w w  w  . j a  v a 2 s .co m*/
        socket = new ServerSocket(0);
        return socket.getLocalPort();
    } catch (IOException e) {
        throw new RuntimeException("Error finding a free port", e);
    } finally {
        if (socket != null) {
            try {
                socket.close();
            } catch (IOException e) {
                throw new RuntimeException("Error closing ServerSocket used to detect a free port.", e);
            }
        }
    }
}

From source file:com.redblackit.web.server.HostNetUtils.java

/**
 * Check if port is available/*  w w w.j a  v  a 2 s. c  om*/
 * 
 * @param port
 * @return
 */
private static boolean isPortAvailable(int port) {
    ServerSocket serverSocket;
    try {
        serverSocket = new ServerSocket();
    } catch (IOException ex) {
        throw new IllegalStateException("Unable to create ServerSocket.", ex);
    }

    try {
        InetSocketAddress sa = new InetSocketAddress(port);
        serverSocket.bind(sa);
        return true;
    } catch (IOException ex) {
        return false;
    } finally {
        try {
            serverSocket.close();
        } catch (IOException ex) {
            // ignore
        }
    }
}

From source file:TestHTTPSource.java

private static int findFreePort() throws IOException {
    ServerSocket socket = new ServerSocket(0);
    int port = socket.getLocalPort();
    socket.close();
    return port;/*from w w w . j a  v a 2s . c o  m*/
}