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

      return;
    }
    
    // create and install a security manager
    if (System.getSecurityManager() == null) {
      System.setSecurityManager(new RMISecurityManager());
    }
    
    Searchable local = new IndexSearcher(FSDirectory.open(new File(indexName)), true);
    RemoteSearchable impl = new RemoteSearchable(local);

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    public Window getMainWindow() {
      System.setProperty("java.security.policy",
          "./ressources/security.txt");
      // Create and install a security manager
      if (System.getSecurityManager() == null) {
        System.setSecurityManager(new RMISecurityManager());
      }


      try {
        // Set cross-platform Java L&F (also called "Metal")
        UIManager.setLookAndFeel(UIManager

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  public static void main(String[] args) {
    // Log.TRACE();
    System.setProperty("java.security.policy", "./ressources/security.txt");
    // Create and install a security manager
    if (System.getSecurityManager() == null) {
      System.setSecurityManager(new RMISecurityManager());
    }


    // Initialize log4j
    DOMConfigurator.configure("./ressources/log/log4j.xml");

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  private ResourceBundle bundle = 
      Util.getResourceBundle(CheckPersistence.class);


  public Object run(String[] args) {
      System.setSecurityManager(new RMISecurityManager());
      String dir = args[0];
      File dirFile = new File(dir);
      if (!dirFile.exists()) {
    return null; // the OK value
      }

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        // output the name of this test
        logger.log(Level.FINE, "Test Name = " + this.getClass().getName());


        // set security manager
        System.setSecurityManager(new RMISecurityManager());
    }

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    public JavaSpace getSpace() throws TestException {
        JavaSpace js = null;


        try {
            if (System.getSecurityManager() == null) {
                System.setSecurityManager(new RMISecurityManager());
            }
            printSpaceInfo();
            js = (JavaSpace) manager.startService(spaceName); // prepared
        } catch (Exception e) {
            throw new TestException(

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     * Utility routine that sets a security manager if one isn't already
     * present.
     */
    synchronized static void ensureSecurityManager() {
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }
    }

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     */
    public static int createRegistry( int port )
        throws RemoteException
    {
        log.debug( "createRegistry> setting security manager" );
        System.setSecurityManager( new RMISecurityManager() );
        if ( port < 1024 )
        {
            port = Registry.REGISTRY_PORT;
        }
        log.debug( "createRegistry> creating registry" );

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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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  /** Exports a searcher for the index in args[0] named
   * "//localhost/Searchable". */
  public static void main(String args[]) throws Exception {
    // create and install a security manager
    if (System.getSecurityManager() == null) {
      System.setSecurityManager(new RMISecurityManager());
    }
    
    Searchable local = new IndexSearcher(args[0]);
    RemoteSearchable impl = new RemoteSearchable(local);

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