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

     *             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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      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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  Thread[] threadArray = new Thread[threadCount];
  int totalFailures = 0;
  for (int i=testNames.length; --i>=0; ) {
      tests.add(testNames[i]);
  }
  System.setSecurityManager(new RMISecurityManager());
  server = new SecureServer(this);
  MarshalledObject pickeledStub = server.getProxy();
  for (int i=threadCount; --i >= 0; ) {
      TestClient client = new SecureClient(this,
             pickeledStub);

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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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  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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  }
    
  public ServiceFinder(Vector result, String serviceType) throws IOException {
    _result = result;
    if (System.getSecurityManager() == null) {
      System.setSecurityManager(new RMISecurityManager());
    }


    // build our template
    Entry[] attrs = new Entry[]
      { new BasicServiceType(serviceType) };

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    public static ArrayList _lookupInfoList = new ArrayList();
  
    private void setup() {
    
  if (_lookupSrvc == null)  // first time
      System.setSecurityManager(new RMISecurityManager());
  /* Use LookupLocatorDiscovery to find a Lookup Service */
  if (_lookupSrvc == null) { // first time
      // Use LookupDiscovery to find a Lookup Service
      try {
    System.out.println("LookupDiscovery for " + _groupsToJoin[0]);

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    }
    
    public ServiceFinder(Vector result, String serviceType) throws IOException {
  _result = result;
  if (System.getSecurityManager() == null) {
      System.setSecurityManager(new RMISecurityManager());
  }


  // build our template
  Entry[] attrs = new Entry[]
  { new BasicServiceType(serviceType) };

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  }
    }
  
    private void setup() {
  if (_lookupSrvc == null)  // first time
      System.setSecurityManager(new RMISecurityManager());
  /* ----------------------------------------------------------------- */


  /* ----------------------------------------------------------------- */
  /* ----------------------------------------------------------------- */
  /* ----------------------------------------------------------------- */

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