/* * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package com.sun.jmx.remote.internal;import java.util.Properties;import java.rmi.Remote;import java.rmi.RemoteException;import java.rmi.NoSuchObjectException;import java.util.Properties;import java.rmi.Remote;import java.rmi.RemoteException;import java.rmi.NoSuchObjectException;import java.security.AccessController;import java.security.PrivilegedAction;/** * A helper class for RMI-IIOP and CORBA APIs. */public final class IIOPHelper { private IIOPHelper() { } // loads IIOPProxy implementation class if available private static final String IMPL_CLASS = "com.sun.jmx.remote.protocol.iiop.IIOPProxyImpl"; private static final IIOPProxy proxy = AccessController.doPrivileged(new PrivilegedAction<IIOPProxy>() { public IIOPProxy run() { try { Class<?> c = Class.forName(IMPL_CLASS, true, null); return (IIOPProxy)c.newInstance(); } catch (ClassNotFoundException cnf) { return null; } catch (InstantiationException e) { throw new AssertionError(e); } catch (IllegalAccessException e) { throw new AssertionError(e); } }}); /** * Returns true if RMI-IIOP and CORBA is available. */ public static boolean isAvailable() { return proxy != null; } private static void ensureAvailable() { if (proxy == null) throw new AssertionError("Should not here"); } /** * Returns true if the given object is a Stub. */ public static boolean isStub(Object obj) { return (proxy == null) ? false : proxy.isStub(obj); } /** * Returns the Delegate to which the given Stub delegates. */ public static Object getDelegate(Object stub) { ensureAvailable(); return proxy.getDelegate(stub); } /** * Sets the Delegate for a given Stub. */ public static void setDelegate(Object stub, Object delegate) { ensureAvailable(); proxy.setDelegate(stub, delegate); } /** * Returns the ORB associated with the given stub * * @throws UnsupportedOperationException * if the object does not support the operation that * was invoked */ public static Object getOrb(Object stub) { ensureAvailable(); return proxy.getOrb(stub); } /** * Connects the Stub to the given ORB. */ public static void connect(Object stub, Object orb) throws RemoteException { ensureAvailable(); proxy.connect(stub, orb); } /** * Returns true if the given object is an ORB. */ public static boolean isOrb(Object obj) { ensureAvailable(); return proxy.isOrb(obj); } /** * Creates, and returns, a new ORB instance. */ public static Object createOrb(String[] args, Properties props) { ensureAvailable(); return proxy.createOrb(args, props); } /** * Converts a string, produced by the object_to_string method, back * to a CORBA object reference. */ public static Object stringToObject(Object orb, String str) { ensureAvailable(); return proxy.stringToObject(orb, str); } /** * Converts the given CORBA object reference to a string. */ public static String objectToString(Object orb, Object obj) { ensureAvailable(); return proxy.objectToString(orb, obj); } /** * Checks to ensure that an object of a remote or abstract interface * type can be cast to a desired type. */ public static <T> T narrow(Object narrowFrom, Class<T> narrowTo) { ensureAvailable(); return proxy.narrow(narrowFrom, narrowTo); } /** * Makes a server object ready to receive remote calls */ public static void exportObject(Remote obj) throws RemoteException { ensureAvailable(); proxy.exportObject(obj); } /** * Deregisters a server object from the runtime. */ public static void unexportObject(Remote obj) throws NoSuchObjectException { ensureAvailable(); proxy.unexportObject(obj); } /** * Returns a stub for the given server object. */ public static Remote toStub(Remote obj) throws NoSuchObjectException { ensureAvailable(); return proxy.toStub(obj); }}
/*
* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.jmx.remote.internal;
import java.util.Properties;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.NoSuchObjectException;
import java.util.Properties;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.NoSuchObjectException;
import java.security.AccessController;
import java.security.PrivilegedAction;
/**
* A helper class for RMI-IIOP and CORBA APIs.
*/
public final class IIOPHelper {
private IIOPHelper() { }
// loads IIOPProxy implementation class if available
private static final String IMPL_CLASS =
"com.sun.jmx.remote.protocol.iiop.IIOPProxyImpl";
private static final IIOPProxy proxy =
AccessController.doPrivileged(new PrivilegedAction<IIOPProxy>() {
public IIOPProxy run() {
try {
Class<?> c = Class.forName(IMPL_CLASS, true, null);
return (IIOPProxy)c.newInstance();
} catch (ClassNotFoundException cnf) {
return null;
} catch (InstantiationException e) {
throw new AssertionError(e);
} catch (IllegalAccessException e) {
throw new AssertionError(e);
}
}});
/**
* Returns true if RMI-IIOP and CORBA is available.
*/
public static boolean isAvailable() {
return proxy != null;
}
private static void ensureAvailable() {
if (proxy == null)
throw new AssertionError("Should not here");
}
/**
* Returns true if the given object is a Stub.
*/
public static boolean isStub(Object obj) {
return (proxy == null) ? false : proxy.isStub(obj);
}
/**
* Returns the Delegate to which the given Stub delegates.
*/
public static Object getDelegate(Object stub) {
ensureAvailable();
return proxy.getDelegate(stub);
}
/**
* Sets the Delegate for a given Stub.
*/
public static void setDelegate(Object stub, Object delegate) {
ensureAvailable();
proxy.setDelegate(stub, delegate);
}
/**
* Returns the ORB associated with the given stub
*
* @throws UnsupportedOperationException
* if the object does not support the operation that
* was invoked
*/
public static Object getOrb(Object stub) {
ensureAvailable();
return proxy.getOrb(stub);
}
/**
* Connects the Stub to the given ORB.
*/
public static void connect(Object stub, Object orb)
throws RemoteException
{
ensureAvailable();
proxy.connect(stub, orb);
}
/**
* Returns true if the given object is an ORB.
*/
public static boolean isOrb(Object obj) {
ensureAvailable();
return proxy.isOrb(obj);
}
/**
* Creates, and returns, a new ORB instance.
*/
public static Object createOrb(String[] args, Properties props) {
ensureAvailable();
return proxy.createOrb(args, props);
}
/**
* Converts a string, produced by the object_to_string method, back
* to a CORBA object reference.
*/
public static Object stringToObject(Object orb, String str) {
ensureAvailable();
return proxy.stringToObject(orb, str);
}
/**
* Converts the given CORBA object reference to a string.
*/
public static String objectToString(Object orb, Object obj) {
ensureAvailable();
return proxy.objectToString(orb, obj);
}
/**
* Checks to ensure that an object of a remote or abstract interface
* type can be cast to a desired type.
*/
public static <T> T narrow(Object narrowFrom, Class<T> narrowTo) {
ensureAvailable();
return proxy.narrow(narrowFrom, narrowTo);
}
/**
* Makes a server object ready to receive remote calls
*/
public static void exportObject(Remote obj) throws RemoteException {
ensureAvailable();
proxy.exportObject(obj);
}
/**
* Deregisters a server object from the runtime.
*/
public static void unexportObject(Remote obj) throws NoSuchObjectException {
ensureAvailable();
proxy.unexportObject(obj);
}
/**
* Returns a stub for the given server object.
*/
public static Remote toStub(Remote obj) throws NoSuchObjectException {
ensureAvailable();
return proxy.toStub(obj);
}
}