obj is
* an exported RMI-IIOP server object, the tie is found
* and wired to obj, then written to
out.write_Object(org.omg.CORBA.Object).
* If obj is a CORBA Object, it is written to
* out.write_Object(org.omg.CORBA.Object).
* @param out the stream in which to write the object.
* @param obj the object to write.
*/
public static void writeRemoteObject(OutputStream out,
java.lang.Object obj) {
if (utilDelegate != null) {
utilDelegate.writeRemoteObject(out, obj);
}
}
/**
* Writes a java.lang.Object as either a value or a CORBA Object.
* If obj is a value object or a stub object, it is written to
* out.write_abstract_interface(java.lang.Object). If obj
is
an exported
* RMI-IIOP server object, the tie is found and wired to obj,
* then written to out.write_abstract_interface(java.lang.Object).
* @param out the stream in which to write the object.
* @param obj the object to write.
*/
public static void writeAbstractObject(OutputStream out,
java.lang.Object obj) {
if (utilDelegate != null) {
utilDelegate.writeAbstractObject(out, obj);
}
}
/**
* Registers a target for a tie. Adds the tie to an internal table and calls
* {@link Tie#setTarget} on the tie object.
* @param tie the tie to register.
* @param target the target for the tie.
*/
public static void registerTarget(javax.rmi.CORBA.Tie tie,
java.rmi.Remote target) {
if (utilDelegate != null) {
utilDelegate.registerTarget(tie, target);
}
}
/**
* Removes the associated tie from an internal table and calls {@link
Tie#deactivate}
* to deactivate the object.
* @param target the object to unexport.
*/
public static void unexportObject(java.rmi.Remote target)
throws java.rmi.NoSuchObjectException
{
if (utilDelegate != null) {
utilDelegate.unexportObject(target);
}
}
/**
* Returns the tie (if any) for a given target object.
* @return the tie or null if no tie is registered for the given target.
*/
public static Tie getTie (Remote target) {
if (utilDelegate != null) {
return utilDelegate.getTie(target);
}
return null;
}
/**
* Returns a singleton instance of a class that implements the
* {@link ValueHandler} interface.
* @return a class which implements the ValueHandler interface.
*/
public static ValueHandler createValueHandler() {
if (utilDelegate != null) {
return utilDelegate.createValueHandler();
}
return null;
}
/**
* Returns the codebase, if any, for the given class.
* @param clz the class to get a codebase for.
* @return a space-separated list of URLs, or null.
*/
public static String getCodebase(java.lang.Class clz) {
if (utilDelegate != null) {
return utilDelegate.getCodebase(clz);
}
return null;
}
/**
* Returns a class instance for the specified class.
* The spec for this method is the "Java to IDL language * mapping", ptc/00-01-06. *
In Java SE Platform, this method works as follows: *
Class object representing the loaded class.
* @exception ClassNotFoundException if class cannot be loaded.
*/
public static Class loadClass(String className,
String remoteCodebase,
ClassLoader loader)
throws ClassNotFoundException {
if (utilDelegate != null) {
return utilDelegate.loadClass(className,remoteCodebase,loader);
}
return null ;
}
/**
* The isLocal method has the same semantics as the
* ObjectImpl._is_local
* method, except that it can throw a RemoteException.
*
* The _is_local() method is provided so that stubs may determine if a
* particular object is implemented by a local servant and hence local
* invocation APIs may be used.
*
* @param stub the stub to test.
*
* @return The _is_local() method returns true if
* the servant incarnating the object is located in the same process as
* the stub and they both share the same ORB instance. The _is_local()
* method returns false otherwise. The default behavior of _is_local() is
* to return false.
*
* @throws RemoteException The Java to IDL specification does not
* specify the conditions that cause a RemoteException to be thrown.
*/
public static boolean isLocal(Stub stub) throws RemoteException {
if (utilDelegate != null) {
return utilDelegate.isLocal(stub);
}
return false;
}
/**
* Wraps an exception thrown by an implementation
* method. It returns the corresponding client-side exception.
* @param orig the exception to wrap.
* @return the wrapped exception.
*/
public static RemoteException wrapException(Throwable orig) {
if (utilDelegate != null) {
return utilDelegate.wrapException(orig);
}
return null;
}
/**
* Copies or connects an array of objects. Used by local stubs
* to copy any number of actual parameters, preserving sharing
* across parameters as necessary to support RMI semantics.
* @param obj the objects to copy or connect.
* @param orb the ORB.
* @return the copied or connected objects.
* @exception RemoteException if any object could not be copied or connected.
*/
public static Object[] copyObjects (Object[] obj, ORB orb)
throws RemoteException {
if (utilDelegate != null) {
return utilDelegate.copyObjects(obj, orb);
}
return null;
}
/**
* Copies or connects an object. Used by local stubs to copy
* an actual parameter, result object, or exception.
* @param obj the object to copy.
* @param orb the ORB.
* @return the copy or connected object.
* @exception RemoteException if the object could not be copied or connected.
*/
public static Object copyObject (Object obj, ORB orb)
throws RemoteException {
if (utilDelegate != null) {
return utilDelegate.copyObject(obj, orb);
}
return null;
}
// Same code as in PortableRemoteObject. Can not be shared because they
// are in different packages and the visibility needs to be package for
// security reasons. If you know a better solution how to share this code
// then remove it from PortableRemoteObject. Also in Stub.java
private static Object createDelegate(String classKey) {
String className = (String)
AccessController.doPrivileged(new GetPropertyAction(classKey));
if (className == null) {
Properties props = getORBPropertiesFile();
if (props != null) {
className = props.getProperty(classKey);
}
}
if (className == null) {
return new com.sun.corba.se.impl.javax.rmi.CORBA.Util();
}
try {
return loadDelegateClass(className).newInstance();
} catch (ClassNotFoundException ex) {
INITIALIZE exc = new INITIALIZE( "Cannot instantiate " + className);
exc.initCause( ex ) ;
throw exc ;
} catch (Exception ex) {
INITIALIZE exc = new INITIALIZE( "Error while instantiating" + className);
exc.initCause( ex ) ;
throw exc ;
}
}
private static Class loadDelegateClass( String className ) throws ClassNotFoundException
{
try {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
return Class.forName(className, false, loader);
} catch (ClassNotFoundException e) {
// ignore, then try RMIClassLoader
}
try {
return RMIClassLoader.loadClass(className);
} catch (MalformedURLException e) {
String msg = "Could not load " + className + ": " + e.toString();
ClassNotFoundException exc = new ClassNotFoundException( msg ) ;
throw exc ;
}
}
/**
* Load the orb.properties file.
*/
private static Properties getORBPropertiesFile ()
{
return (Properties) AccessController.doPrivileged(
new GetORBPropertiesFileAction());
}
}