Example usage for java.rmi.registry Registry list

Introduction

In this page you can find the example usage for java.rmi.registry Registry list.

Prototype

public String[] list() throws RemoteException, AccessException;

Source Link

Document

Returns an array of the names bound in this registry.

Usage

From source file:edu.cornell.med.icb.R.RConfigurationServer.java

public static void main(final String[] args) throws RemoteException {
    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new SecurityManager());
    }/*  w w w  .j a va2s .  c  om*/

    final String name = "RConfiguration";
    final RConfiguration engine = new RConfigurationServer();
    final RConfiguration stub = (RConfiguration) UnicastRemoteObject.exportObject(engine, 0);
    final Registry registry = LocateRegistry.getRegistry();
    System.out.println(ArrayUtils.toString(registry.list()));
    registry.rebind(name, stub);
    System.out.println("RConfiguration bound");
}

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From source file:uk.co.moonsit.rmi.GraphClient.java

@SuppressWarnings("SleepWhileInLoop")
public static void main(String args[]) {
    Properties p = new Properties();
    try {/* www . jav  a 2  s.  com*/
        p.load(new FileReader("graph.properties"));
    } catch (IOException ex) {
        Logger.getLogger(GraphClient.class.getName()).log(Level.SEVERE, null, ex);
    }
    //String[] labels = p.getProperty("labels").split(",");
    GraphClient demo = null;
    int type = 0;
    boolean log = false;
    if (args[0].equals("-l")) {
        log = true;
    }

    switch (type) {
    case 0:
        try {
            System.setProperty("java.security.policy", "file:./client.policy");
            if (System.getSecurityManager() == null) {
                System.setSecurityManager(new RMISecurityManager());
            }
            String name = "GraphServer";
            String host = p.getProperty("host");
            System.out.println(host);
            Registry registry = LocateRegistry.getRegistry(host);
            String[] list = registry.list();
            for (String s : list) {
                System.out.println(s);
            }
            GraphDataInterface gs = null;
            boolean bound = false;
            while (!bound) {
                try {
                    gs = (GraphDataInterface) registry.lookup(name);
                    bound = true;
                } catch (NotBoundException e) {
                    System.err.println("GraphServer exception:" + e.toString());
                    Thread.sleep(500);
                }
            }
            @SuppressWarnings("null")
            String config = gs.getConfig();
            System.out.println(config);
            /*float[] fs = gs.getValues();
             for (float f : fs) {
             System.out.println(f);
             }*/

            demo = new GraphClient(gs, 1000, 700, Float.parseFloat(p.getProperty("frequency")), log);
            demo.init(config);
            demo.run();
        } catch (RemoteException e) {
            System.err.println("GraphClient exception:" + e.toString());
        } catch (FileNotFoundException ex) {
            Logger.getLogger(GraphClient.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(GraphClient.class.getName()).log(Level.SEVERE, null, ex);
        } catch (Exception ex) {
            Logger.getLogger(GraphClient.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            if (demo != null) {
                demo.close();
            }
        }
        break;
    case 1:
        try {
            demo = new GraphClient(1000, 700, Float.parseFloat(p.getProperty("frequency")));
            demo.init("A^B|Time|Error|-360|360");

            demo.addData(0, 1, 100);
            demo.addData(0, 2, 200);

            demo.addData(1, 1, 50);
            demo.addData(1, 2, 450);

        } catch (FileNotFoundException ex) {
            Logger.getLogger(GraphClient.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(GraphClient.class.getName()).log(Level.SEVERE, null, ex);
        } catch (Exception ex) {
            Logger.getLogger(GraphClient.class.getName()).log(Level.SEVERE, null, ex);
        }
        break;
    }

}

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From source file:com.cisco.oss.foundation.monitoring.RMIRegistryManager.java

/**
 * Checks if rmiregistry is running on the specified port.
 *
 * @param port/*from   w w  w. j av  a2 s .c  o  m*/
 * @return true if rmiregistry is running on the specified port, false
 * otherwise
 */
public static boolean isRMIRegistryRunning(Configuration configuration, int port) {
    try {
        final Registry registry = RegistryFinder.getInstance().getRegistry(configuration, port);
        registry.list();
        return true;
    } catch (RemoteException ex) {
        return false;
    } catch (Exception e) {
        return false;
    }
}

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From source file:com.cisco.oss.foundation.monitoring.RMIRegistryManager.java

/**
 * Checks if a service is exported on the rmi registry with specified port.
 *
 * @param port/*from   w ww .  ja  v a 2 s.  c o m*/
 * @return true if rmiregistry is running on the specified port and service
 * is exported on the rmi registry, false otherwise
 */
public static boolean isServiceExported(Configuration configuration, int port, String serviceName) {
    if (serviceName == null)
        return false;
    try {
        final Registry registry = RegistryFinder.getInstance().getRegistry(configuration, port);
        String[] list = registry.list();

        if (list != null) {
            for (int i = 0; i < list.length; i++) {
                if (serviceName.equals(list[i]))
                    return true;
            }
        }
    } catch (RemoteException ex) {
        return false;
    } catch (Exception e) {
        return false;
    }
    return false;
}

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From source file:com.cisco.oss.foundation.monitoring.RegistryFinder.java

/**
 * @see org.springframework.beans.factory.FactoryBean#getObject()
 *//*from w w  w .  j  a v a 2  s.c  om*/
public Registry getRegistry(Configuration configuration, int port) throws Exception {// NOPMD

    try {
        // try to get existing registry
        final Registry registry = LocateRegistry.getRegistry(port);

        // test the registry
        registry.list();

        LOGGER.trace("using existing registry");

        return registry;
    } catch (RemoteException ex) {
        // if registry does not exist, create a new one.
        return startRmiRegistryProcess(configuration, port);
    }

}

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From source file:com.cisco.oss.foundation.monitoring.RegistryFinder.java

private Registry internalProcessStart(final Configuration configuration, final int port, final String command)
        throws IOException, RemoteException, AccessException {

    String maxHeapArg = "-J-Xmx" + configuration.getInt(FoundationMonitoringConstants.RMIREGISTRY_MAXHEAPSIZE)
            + "m";
    // start rmiregistry process
    if (System.getProperty("os.name").toLowerCase(Locale.getDefault()).contains("windows")) {
        String[] commandArgsArr = new String[] { command, maxHeapArg, String.valueOf(port) };
        List<String> commandArgs = Arrays.asList(commandArgsArr);
        LOGGER.info("running command: " + commandArgs);
        new ProcessBuilder(commandArgsArr).start();
    } else {/*from w ww.ja v  a2s  .c o  m*/
        // support background process to prevent zombies

        String[] commandArgsArr = new String[] { "/bin/sh", "-c", command + maxHeapArg + " " + port + "&" };
        List<String> commandArgs = Arrays.asList(commandArgsArr);
        LOGGER.info("running command: " + commandArgs);
        new ProcessBuilder(commandArgsArr).start();
    }

    try {
        // wait for the process to start properly
        Thread.sleep(1000);
    } catch (InterruptedException e) {
        LOGGER.warn("The sleep for  rmi registry to end has been interrupted: " + e.toString());
    }

    // get registry
    final Registry registry = LocateRegistry.getRegistry(port);

    // test registry
    registry.list();

    LOGGER.info("New RMI  Registry created using port: " + port);

    return registry;
}

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From source file:com.taobao.tddl.common.util.TDDLMBeanServer.java

private TDDLMBeanServer() {
    // MBServer//  ww  w .j a v  a2 s . c  o  m
    String hostName = null;
    try {
        InetAddress addr = InetAddress.getLocalHost();

        hostName = addr.getHostName();
    } catch (IOException e) {
        log.error(LogPrefix + "Get HostName Error", e);
        hostName = "localhost";
    }
    String host = System.getProperty("hostName", hostName);
    try {
        boolean useJmx = Boolean.parseBoolean(System.getProperty("tddl.useJMX", "true"));
        if (useJmx) {
            mbs = ManagementFactory.getPlatformMBeanServer();
            int port = Integer.parseInt(System.getProperty("tddl.rmi.port", "6679"));
            String rmiName = System.getProperty("tddl.rmi.name", "tddlJmxServer");
            Registry reg = null;
            try {
                reg = LocateRegistry.getRegistry(port);
                reg.list();
            } catch (Exception e) {
                reg = null;
            }
            if (null == reg) {
                reg = LocateRegistry.createRegistry(port);
            }
            reg.list();
            String serverURL = "service:jmx:rmi:///jndi/rmi://" + host + ":" + port + "/" + rmiName;
            JMXServiceURL url = new JMXServiceURL(serverURL);
            final JMXConnectorServer connectorServer = JMXConnectorServerFactory.newJMXConnectorServer(url,
                    null, mbs);
            connectorServer.start();
            Runtime.getRuntime().addShutdownHook(new Thread() {
                @Override
                public void run() {
                    try {
                        System.err.println("JMXConnector stop");
                        connectorServer.stop();
                    } catch (IOException e) {
                        log.error(LogPrefix + e);
                    }
                }
            });
            log.warn(LogPrefix + "jmx url: " + serverURL);
        }
    } catch (Exception e) {
        log.error(LogPrefix + "create MBServer error", e);
    }
}

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From source file:de.tudarmstadt.lt.lm.app.ListServices.java

@Override
public void run() {
    String[] services = new String[] {};
    Registry registry = null;
    try {// w ww.java 2 s .c o m
        registry = LocateRegistry.getRegistry(_host, _port);
    } catch (Exception e) {
        LOG.error("Could not connect to registry.", e);
        System.exit(1);
    }
    try {
        services = registry.list();
    } catch (Exception e) {
        LOG.error("Could not lookup services from registry.", e);
        System.exit(1);
    }

    LOG.info("{} services available.", services.length);

    for (String name : services) {
        Remote r = null;
        try {
            r = registry.lookup(name);
        } catch (NotBoundException | RemoteException e) {
            continue;
        }
        StringBuilder b = new StringBuilder();
        for (Class<?> clazz : r.getClass().getInterfaces())
            b.append(", ").append(clazz.getName());
        String status = "status:unknown";
        try {
            if (r instanceof StringProviderMXBean)
                status = ((StringProviderMXBean) r).getModelReady() ? "status:running" : "status:loading";
        } catch (RemoteException e) {
        }
        System.out.format("%s\t(%s)\t[%s] %n", name, b.length() > 0 ? b.substring(2) : "", status);
    }
}

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From source file:de.tudarmstadt.lt.lm.web.servlet.LanguageModelProviderServlet.java

private void scanForLanguageModels() throws RemoteException, NotBoundException {
    Registry registry = LocateRegistry.getRegistry(_host, _port);
    Set<String> services = new HashSet<String>(Arrays.asList(registry.list()));
    if (services.size() == 0)
        System.out.println("no services available");
    for (String name : services) {
        //         if (_lm_keys.containsKey(name))
        //            continue;

        Remote r = registry.lookup(name);
        if (r instanceof StringProviderMXBean) {
            //            StringProviderMBean strprvdr = (StringProviderMBean) r;
            _lm_keys.put(name, _lm_keys.size());
            _lm_provider.add(null);//from ww  w.j  ava  2  s.com
            _perp_processors.add(null);
        }
    }
}

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From source file:org.red5.server.war.RootContextLoaderServlet.java

protected void initRegistry(ServletContext ctx) {
    Registry r = null;
    try {/*from   w  w  w .j  a v a  2s  . c o  m*/
        Object o = ctx.getInitParameter("rmiPort");
        if (o != null) {
            rmiPort = Integer.valueOf((String) o);
        }
        if (System.getSecurityManager() != null) {
            System.setSecurityManager(new RMISecurityManager());
        }
        // lookup the registry
        r = LocateRegistry.getRegistry(rmiPort);
        // ensure we are not already registered with the registry
        for (String regName : r.list()) {
            logger.debug("Registry entry: " + regName);
        }
    } catch (RemoteException re) {
        logger.info("RMI Registry server was not found on port " + rmiPort);
        // if we didnt find the registry and the user wants it created
        try {
            logger.info("Starting an internal RMI registry");
            // create registry for rmi
            r = LocateRegistry.createRegistry(rmiPort);
        } catch (RemoteException e) {
            logger.info("RMI Registry server was not started on port " + rmiPort);
        }

    }
}

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