Examples of java.rmi.RMISecurityManager

java.rmi.RMISecurityManager
A subclass of {@link SecurityManager} used by RMI applications that usedownloaded code. RMI's class loader will not download any classes from remote locations if no security manager has been set. RMISecurityManager does not apply to applets, which run under the protection of their browser's security manager. RMISecurityManager implements a policy that is no different than the policy implemented by {@link SecurityManager}. Therefore an RMI application should use the SecurityManager class or another application-specific SecurityManager implementation instead of this class.
To use a SecurityManager in your application, add the following statement to your code (it needs to be executed before RMI can download code from remote hosts, so it most likely needs to appear in the main method of your application):
```
 System.setSecurityManager(new SecurityManager()); 
```
@version 1.32, 11/17/05 @author Roger Riggs @author Peter Jones @since JDK1.1

   *
   * @param args 
   */
  public static void main(String[] args) {
    if (System.getSecurityManager() == null) {
      System.setSecurityManager(new RMISecurityManager());
    }
    InetAddress localhost = null;
    try {
      localhost = InetAddress.getLocalHost();
      System.err.println("Host name : "+localhost.getHostName());

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     * @param args the port number as a command-line argument.
     */
    public static void main(String [] args) {
        // Set the security manager.
        if(System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }


        // Set the host name and port number.
        String host = null;
        int port = 1099; // default port is 1099

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     */
    public static void main(String [] args) {


        // Set the security manager.
        if(System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }


  // Load all JAIServerConfigurationSpi implementations on the CLASSPATH
  Iterator spiIter = Service.providers(JAIServerConfigurationSpi.class);
  JAI jai = JAI.getDefaultInstance();

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    public static void main(String[] args) {


        System.err.println("\nRegression test for bug 4180392\n");


        System.err.println("Setting RMISecurityManager.");
        System.setSecurityManager(new RMISecurityManager());


        try {
            System.err.println("Attempting to acquire restricted class " +
                restrictedClassName);
            Class restrictedClass = Class.forName(restrictedClassName);

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        /* As of 1.4, it is too late to set the security policy
         * file at this point so these line have been commented out.
         */
        //System.setProperty("java.security.policy",
        //      Main.class.getResource("/bench/rmi/policy.all").toString());
        System.setSecurityManager(new RMISecurityManager());
    }

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     *          is installed and prohibits installing a new security manager.
     */
    protected void installSecurityManager() throws NoPermissionException {
        if (! (System.getSecurityManager() instanceof RMISecurityManager)) {
            try {
                System.setSecurityManager(new RMISecurityManager());
            } catch (SecurityException e) {
                // jndi.84=Cannot install RMISecurityManager
                throw (NoPermissionException) new NoPermissionException(
                        Messages.getString("jndi.84")).initCause(e); //$NON-NLS-1$
            }

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     */
    public static void main(String args[]) {
        // rmi.log.4C=ActivationGroupImpl.main:
        rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.4C")); //$NON-NLS-1$
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }


        try {
            // rmi.log.4F=System.in.available = {0}
            rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.4F", //$NON-NLS-1$

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                System.exit(-1);
            }
        }


        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }
        Registry reg = new RegistryImpl(port, null, null);


        // do not let VM exit
        Object obj = new Object();  //$NON-LOCK-1$

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     */
    public static void main(String args[]) {


        /* Setting the security manager. */
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }


        /*
         * Reading properties.
         */

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                                          String clsName)
            throws Exception {
        // Read deployment descriptor options
        String namingLookup = getStrOption(OPTION_NAMING_LOOKUP, msgContext.getService());
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }
        Object targetObject = Naming.lookup(namingLookup);
        return targetObject;
    }

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