| /* |
| * Copyright (c) 1999, 2013, 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. |
| */ |
| /* |
| * Licensed Materials - Property of IBM |
| * RMI-IIOP v1.0 |
| * Copyright IBM Corp. 1998 1999 All Rights Reserved |
| * |
| */ |
| |
| package com.sun.corba.se.impl.javax.rmi.CORBA; // Util (sed marker, don't remove!) |
| |
| import java.rmi.RemoteException; |
| import java.rmi.UnexpectedException; |
| import java.rmi.MarshalException; |
| |
| import java.rmi.server.RMIClassLoader; |
| |
| import java.util.Hashtable; |
| import java.util.Enumeration; |
| import java.util.Properties; |
| import java.util.Map; |
| import java.util.WeakHashMap; |
| |
| import java.io.Serializable; |
| import java.io.NotSerializableException; |
| |
| import java.lang.reflect.Constructor; |
| |
| import javax.rmi.CORBA.ValueHandler; |
| import javax.rmi.CORBA.Tie; |
| |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| |
| import java.rmi.MarshalException; |
| import java.rmi.NoSuchObjectException; |
| import java.rmi.AccessException; |
| import java.rmi.Remote; |
| import java.rmi.ServerError; |
| import java.rmi.ServerException; |
| import java.rmi.ServerRuntimeException; |
| |
| import javax.transaction.TransactionRequiredException; |
| import javax.transaction.TransactionRolledbackException; |
| import javax.transaction.InvalidTransactionException; |
| |
| import org.omg.CORBA.SystemException; |
| import org.omg.CORBA.Any; |
| import org.omg.CORBA.TypeCode; |
| import org.omg.CORBA.COMM_FAILURE; |
| import org.omg.CORBA.BAD_PARAM; |
| import org.omg.CORBA.INV_OBJREF; |
| import org.omg.CORBA.NO_PERMISSION; |
| import org.omg.CORBA.MARSHAL; |
| import org.omg.CORBA.OBJECT_NOT_EXIST; |
| import org.omg.CORBA.TRANSACTION_REQUIRED; |
| import org.omg.CORBA.TRANSACTION_ROLLEDBACK; |
| import org.omg.CORBA.INVALID_TRANSACTION; |
| import org.omg.CORBA.BAD_OPERATION; |
| import org.omg.CORBA.ACTIVITY_REQUIRED; |
| import org.omg.CORBA.ACTIVITY_COMPLETED; |
| import org.omg.CORBA.INVALID_ACTIVITY; |
| import org.omg.CORBA.CompletionStatus; |
| import org.omg.CORBA.TCKind; |
| import org.omg.CORBA.portable.UnknownException; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.OutputStream; |
| |
| // This class must be able to function with non-Sun ORBs. |
| // This means that any of the following com.sun.corba classes |
| // must only occur in contexts that also handle the non-Sun case. |
| |
| import com.sun.corba.se.pept.transport.ContactInfoList ; |
| import com.sun.corba.se.spi.orb.ORB; |
| import com.sun.corba.se.spi.orb.ORBVersionFactory; |
| import com.sun.corba.se.spi.protocol.CorbaClientDelegate; |
| import com.sun.corba.se.spi.transport.CorbaContactInfoList ; |
| import com.sun.corba.se.spi.protocol.LocalClientRequestDispatcher ; |
| import com.sun.corba.se.spi.copyobject.ReflectiveCopyException ; |
| import com.sun.corba.se.spi.copyobject.CopierManager ; |
| import com.sun.corba.se.spi.copyobject.ObjectCopierFactory ; |
| import com.sun.corba.se.spi.copyobject.ObjectCopier ; |
| import com.sun.corba.se.impl.io.ValueHandlerImpl; |
| import com.sun.corba.se.impl.orbutil.ORBConstants; |
| import com.sun.corba.se.impl.orbutil.ORBUtility; |
| import com.sun.corba.se.impl.logging.OMGSystemException; |
| import com.sun.corba.se.impl.util.Utility; |
| import com.sun.corba.se.impl.util.IdentityHashtable; |
| import com.sun.corba.se.impl.util.JDKBridge; |
| import com.sun.corba.se.impl.logging.UtilSystemException; |
| import com.sun.corba.se.spi.logging.CORBALogDomains; |
| import sun.corba.SharedSecrets; |
| |
| /** |
| * Provides utility methods that can be used by stubs and ties to |
| * perform common operations. |
| */ |
| public class Util implements javax.rmi.CORBA.UtilDelegate |
| { |
| // Runs as long as there are exportedServants |
| private static KeepAlive keepAlive = null; |
| |
| // Maps targets to ties. |
| private static IdentityHashtable exportedServants = new IdentityHashtable(); |
| |
| private static final ValueHandlerImpl valueHandlerSingleton = |
| SharedSecrets.getJavaCorbaAccess().newValueHandlerImpl(); |
| |
| private UtilSystemException utilWrapper = UtilSystemException.get( |
| CORBALogDomains.RPC_ENCODING); |
| |
| private static Util instance = null; |
| |
| public Util() { |
| setInstance(this); |
| } |
| |
| private static void setInstance( Util util ) { |
| assert instance == null : "Instance already defined"; |
| instance = util; |
| } |
| |
| public static Util getInstance() { |
| return instance; |
| } |
| |
| public static boolean isInstanceDefined() { |
| return instance != null; |
| } |
| |
| // Used by TOAFactory.shutdown to unexport all targets for this |
| // particular ORB. This happens during ORB shutdown. |
| public void unregisterTargetsForORB(org.omg.CORBA.ORB orb) |
| { |
| for (Enumeration e = exportedServants.keys(); e.hasMoreElements(); ) |
| { |
| java.lang.Object key = e.nextElement(); |
| Remote target = (Remote)(key instanceof Tie ? ((Tie)key).getTarget() : key); |
| |
| // Bug 4476347: BAD_OPERATION is thrown if the ties delegate isn't set. |
| // We can ignore this because it means the tie is not connected to an ORB. |
| try { |
| if (orb == getTie(target).orb()) { |
| try { |
| unexportObject(target); |
| } catch( java.rmi.NoSuchObjectException ex ) { |
| // We neglect this exception if at all if it is |
| // raised. It is not harmful. |
| } |
| } |
| } catch (BAD_OPERATION bad) { |
| /* Ignore */ |
| } |
| } |
| } |
| |
| /** |
| * Maps a SystemException to a RemoteException. |
| * @param ex the SystemException to map. |
| * @return the mapped exception. |
| */ |
| public RemoteException mapSystemException(SystemException ex) |
| { |
| if (ex instanceof UnknownException) { |
| Throwable orig = ((UnknownException)ex).originalEx; |
| if (orig instanceof Error) { |
| return new ServerError("Error occurred in server thread",(Error)orig); |
| } else if (orig instanceof RemoteException) { |
| return new ServerException("RemoteException occurred in server thread", |
| (Exception)orig); |
| } else if (orig instanceof RuntimeException) { |
| throw (RuntimeException) orig; |
| } |
| } |
| |
| // Build the message string... |
| String name = ex.getClass().getName(); |
| String corbaName = name.substring(name.lastIndexOf('.')+1); |
| String status; |
| switch (ex.completed.value()) { |
| case CompletionStatus._COMPLETED_YES: |
| status = "Yes"; |
| break; |
| case CompletionStatus._COMPLETED_NO: |
| status = "No"; |
| break; |
| case CompletionStatus._COMPLETED_MAYBE: |
| default: |
| status = "Maybe"; |
| break; |
| } |
| |
| String message = "CORBA " + corbaName + " " + ex.minor + " " + status; |
| |
| // Now map to the correct RemoteException type... |
| if (ex instanceof COMM_FAILURE) { |
| return new MarshalException(message, ex); |
| } else if (ex instanceof INV_OBJREF) { |
| RemoteException newEx = new NoSuchObjectException(message); |
| newEx.detail = ex; |
| return newEx; |
| } else if (ex instanceof NO_PERMISSION) { |
| return new AccessException(message, ex); |
| } else if (ex instanceof MARSHAL) { |
| return new MarshalException(message, ex); |
| } else if (ex instanceof OBJECT_NOT_EXIST) { |
| RemoteException newEx = new NoSuchObjectException(message); |
| newEx.detail = ex; |
| return newEx; |
| } else if (ex instanceof TRANSACTION_REQUIRED) { |
| RemoteException newEx = new TransactionRequiredException(message); |
| newEx.detail = ex; |
| return newEx; |
| } else if (ex instanceof TRANSACTION_ROLLEDBACK) { |
| RemoteException newEx = new TransactionRolledbackException(message); |
| newEx.detail = ex; |
| return newEx; |
| } else if (ex instanceof INVALID_TRANSACTION) { |
| RemoteException newEx = new InvalidTransactionException(message); |
| newEx.detail = ex; |
| return newEx; |
| } else if (ex instanceof BAD_PARAM) { |
| Exception inner = ex; |
| |
| // Pre-Merlin Sun ORBs used the incorrect minor code for |
| // this case. See Java to IDL ptc-00-01-08 1.4.8. |
| if (ex.minor == ORBConstants.LEGACY_SUN_NOT_SERIALIZABLE || |
| ex.minor == OMGSystemException.NOT_SERIALIZABLE) { |
| |
| if (ex.getMessage() != null) |
| inner = new NotSerializableException(ex.getMessage()); |
| else |
| inner = new NotSerializableException(); |
| |
| inner.initCause( ex ) ; |
| } |
| |
| return new MarshalException(message,inner); |
| } else if (ex instanceof ACTIVITY_REQUIRED) { |
| try { |
| Class<?> cl = SharedSecrets.getJavaCorbaAccess().loadClass( |
| "javax.activity.ActivityRequiredException"); |
| Class[] params = new Class[2]; |
| params[0] = java.lang.String.class; |
| params[1] = java.lang.Throwable.class; |
| Constructor cr = cl.getConstructor(params); |
| Object[] args = new Object[2]; |
| args[0] = message; |
| args[1] = ex; |
| return (RemoteException) cr.newInstance(args); |
| } catch (Throwable e) { |
| utilWrapper.classNotFound( |
| e, "javax.activity.ActivityRequiredException"); |
| } |
| } else if (ex instanceof ACTIVITY_COMPLETED) { |
| try { |
| Class<?> cl = SharedSecrets.getJavaCorbaAccess().loadClass( |
| "javax.activity.ActivityCompletedException"); |
| Class[] params = new Class[2]; |
| params[0] = java.lang.String.class; |
| params[1] = java.lang.Throwable.class; |
| Constructor cr = cl.getConstructor(params); |
| Object[] args = new Object[2]; |
| args[0] = message; |
| args[1] = ex; |
| return (RemoteException) cr.newInstance(args); |
| } catch (Throwable e) { |
| utilWrapper.classNotFound( |
| e, "javax.activity.ActivityCompletedException"); |
| } |
| } else if (ex instanceof INVALID_ACTIVITY) { |
| try { |
| Class<?> cl = SharedSecrets.getJavaCorbaAccess().loadClass( |
| "javax.activity.InvalidActivityException"); |
| Class[] params = new Class[2]; |
| params[0] = java.lang.String.class; |
| params[1] = java.lang.Throwable.class; |
| Constructor cr = cl.getConstructor(params); |
| Object[] args = new Object[2]; |
| args[0] = message; |
| args[1] = ex; |
| return (RemoteException) cr.newInstance(args); |
| } catch (Throwable e) { |
| utilWrapper.classNotFound( |
| e, "javax.activity.InvalidActivityException"); |
| } |
| } |
| |
| // Just map to a generic RemoteException... |
| return new RemoteException(message, ex); |
| } |
| |
| /** |
| * Writes any java.lang.Object as a CORBA any. |
| * @param out the stream in which to write the any. |
| * @param obj the object to write as an any. |
| */ |
| public void writeAny( org.omg.CORBA.portable.OutputStream out, |
| java.lang.Object obj) |
| { |
| org.omg.CORBA.ORB orb = out.orb(); |
| |
| // Create Any |
| Any any = orb.create_any(); |
| |
| // Make sure we have a connected object... |
| java.lang.Object newObj = Utility.autoConnect(obj,orb,false); |
| |
| if (newObj instanceof org.omg.CORBA.Object) { |
| any.insert_Object((org.omg.CORBA.Object)newObj); |
| } else { |
| if (newObj == null) { |
| // Handle the null case, including backwards |
| // compatibility issues |
| any.insert_Value(null, createTypeCodeForNull(orb)); |
| } else { |
| if (newObj instanceof Serializable) { |
| // If they're our Any and ORB implementations, |
| // we may want to do type code related versioning. |
| TypeCode tc = createTypeCode((Serializable)newObj, any, orb); |
| if (tc == null) |
| any.insert_Value((Serializable)newObj); |
| else |
| any.insert_Value((Serializable)newObj, tc); |
| } else if (newObj instanceof Remote) { |
| ORBUtility.throwNotSerializableForCorba(newObj.getClass().getName()); |
| } else { |
| ORBUtility.throwNotSerializableForCorba(newObj.getClass().getName()); |
| } |
| } |
| } |
| |
| out.write_any(any); |
| } |
| |
| /** |
| * When using our own ORB and Any implementations, we need to get |
| * the ORB version and create the type code appropriately. This is |
| * to overcome a bug in which the JDK 1.3.x ORBs used a tk_char |
| * rather than a tk_wchar to describe a Java char field. |
| * |
| * This only works in RMI-IIOP with Util.writeAny since we actually |
| * know what ORB and stream we're writing with when we insert |
| * the value. |
| * |
| * Returns null if it wasn't possible to create the TypeCode (means |
| * it wasn't our ORB or Any implementation). |
| * |
| * This does not handle null objs. |
| */ |
| private TypeCode createTypeCode(Serializable obj, |
| org.omg.CORBA.Any any, |
| org.omg.CORBA.ORB orb) { |
| |
| if (any instanceof com.sun.corba.se.impl.corba.AnyImpl && |
| orb instanceof ORB) { |
| |
| com.sun.corba.se.impl.corba.AnyImpl anyImpl |
| = (com.sun.corba.se.impl.corba.AnyImpl)any; |
| |
| ORB ourORB = (ORB)orb; |
| |
| return anyImpl.createTypeCodeForClass(obj.getClass(), ourORB); |
| |
| } else |
| return null; |
| } |
| |
| |
| /** |
| * This is used to create the TypeCode for a null reference. |
| * It also handles backwards compatibility with JDK 1.3.x. |
| * |
| * This method will not return null. |
| */ |
| private TypeCode createTypeCodeForNull(org.omg.CORBA.ORB orb) |
| { |
| if (orb instanceof ORB) { |
| |
| ORB ourORB = (ORB)orb; |
| |
| // Preserve backwards compatibility with Kestrel and Ladybird |
| // by not fully implementing interop issue resolution 3857, |
| // and returning a null TypeCode with a tk_value TCKind. |
| // If we're not talking to Kestrel or Ladybird, fall through |
| // to the abstract interface case (also used for foreign ORBs). |
| if (!ORBVersionFactory.getFOREIGN().equals(ourORB.getORBVersion()) && |
| ORBVersionFactory.getNEWER().compareTo(ourORB.getORBVersion()) > 0) { |
| |
| return orb.get_primitive_tc(TCKind.tk_value); |
| } |
| } |
| |
| // Use tk_abstract_interface as detailed in the resolution |
| |
| // REVISIT: Define this in IDL and get the ID in generated code |
| String abstractBaseID = "IDL:omg.org/CORBA/AbstractBase:1.0"; |
| |
| return orb.create_abstract_interface_tc(abstractBaseID, ""); |
| } |
| |
| /** |
| * Reads a java.lang.Object as a CORBA any. |
| * @param in the stream from which to read the any. |
| * @return the object read from the stream. |
| */ |
| public Object readAny(InputStream in) |
| { |
| Any any = in.read_any(); |
| if ( any.type().kind().value() == TCKind._tk_objref ) |
| return any.extract_Object (); |
| else |
| return any.extract_Value(); |
| } |
| |
| /** |
| * Writes a java.lang.Object as a CORBA Object. If <code>obj</code> is |
| * an exported RMI-IIOP server object, the tie is found |
| * and wired to <code>obj</code>, then written to <code>out.write_Object(org.omg.CORBA.Object)</code>. |
| * If <code>obj</code> is a CORBA Object, it is written to |
| * <code>out.write_Object(org.omg.CORBA.Object)</code>. |
| * @param out the stream in which to write the object. |
| * @param obj the object to write. |
| */ |
| public void writeRemoteObject(OutputStream out, java.lang.Object obj) |
| { |
| // Make sure we have a connected object, then |
| // write it out... |
| |
| Object newObj = Utility.autoConnect(obj,out.orb(),false); |
| out.write_Object((org.omg.CORBA.Object)newObj); |
| } |
| |
| /** |
| * Writes a java.lang.Object as either a value or a CORBA Object. |
| * If <code>obj</code> is a value object or a stub object, it is written to |
| * <code>out.write_abstract_interface(java.lang.Object)</code>. If <code>obj</code> is an exported |
| * RMI-IIOP server object, the tie is found and wired to <code>obj</code>, |
| * then written to <code>out.write_abstract_interface(java.lang.Object)</code>. |
| * @param out the stream in which to write the object. |
| * @param obj the object to write. |
| */ |
| public void writeAbstractObject( OutputStream out, java.lang.Object obj ) |
| { |
| // Make sure we have a connected object, then |
| // write it out... |
| |
| Object newObj = Utility.autoConnect(obj,out.orb(),false); |
| ((org.omg.CORBA_2_3.portable.OutputStream)out).write_abstract_interface(newObj); |
| } |
| |
| /** |
| * 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 void registerTarget(javax.rmi.CORBA.Tie tie, java.rmi.Remote target) |
| { |
| synchronized (exportedServants) { |
| // Do we already have this target registered? |
| if (lookupTie(target) == null) { |
| // No, so register it and set the target... |
| exportedServants.put(target,tie); |
| tie.setTarget(target); |
| |
| // Do we need to instantiate our keep-alive thread? |
| if (keepAlive == null) { |
| // Yes. Instantiate our keep-alive thread and start |
| // it up... |
| keepAlive = (KeepAlive)AccessController.doPrivileged(new PrivilegedAction() { |
| public java.lang.Object run() { |
| return new KeepAlive(); |
| } |
| }); |
| keepAlive.start(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Removes the associated tie from an internal table and calls {@link Tie#deactivate} |
| * to deactivate the object. |
| * @param target the object to unexport. |
| */ |
| public void unexportObject(java.rmi.Remote target) |
| throws java.rmi.NoSuchObjectException |
| { |
| synchronized (exportedServants) { |
| Tie cachedTie = lookupTie(target); |
| if (cachedTie != null) { |
| exportedServants.remove(target); |
| Utility.purgeStubForTie(cachedTie); |
| Utility.purgeTieAndServant(cachedTie); |
| try { |
| cleanUpTie(cachedTie); |
| } catch (BAD_OPERATION e) { |
| // ignore |
| } catch (org.omg.CORBA.OBJ_ADAPTER e) { |
| // This can happen when the target was never associated with a POA. |
| // We can safely ignore this case. |
| } |
| |
| // Is it time to shut down our keep alive thread? |
| if (exportedServants.isEmpty()) { |
| keepAlive.quit(); |
| keepAlive = null; |
| } |
| } else { |
| throw new java.rmi.NoSuchObjectException("Tie not found" ); |
| } |
| } |
| } |
| |
| protected void cleanUpTie(Tie cachedTie) |
| throws java.rmi.NoSuchObjectException |
| { |
| cachedTie.setTarget(null); |
| cachedTie.deactivate(); |
| } |
| |
| /** |
| * 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 Tie getTie (Remote target) |
| { |
| synchronized (exportedServants) { |
| return lookupTie(target); |
| } |
| } |
| |
| /** |
| * An unsynchronized version of getTie() for internal use. |
| */ |
| private static Tie lookupTie (Remote target) |
| { |
| Tie result = (Tie)exportedServants.get(target); |
| if (result == null && target instanceof Tie) { |
| if (exportedServants.contains(target)) { |
| result = (Tie)target; |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Returns a singleton instance of a class that implements the |
| * {@link ValueHandler} interface. |
| * @return a class which implements the ValueHandler interface. |
| */ |
| public ValueHandler createValueHandler() |
| { |
| return valueHandlerSingleton; |
| } |
| |
| /** |
| * 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 String getCodebase(java.lang.Class clz) { |
| return RMIClassLoader.getClassAnnotation(clz); |
| } |
| |
| /** |
| * Returns a class instance for the specified class. |
| * @param className the name of the class. |
| * @param remoteCodebase a space-separated list of URLs at which |
| * the class might be found. May be null. |
| * @param loadingContext a class whose ClassLoader may be used to |
| * load the class if all other methods fail. |
| * @return the <code>Class</code> object representing the loaded class. |
| * @exception ClassNotFoundException if class cannot be loaded. |
| */ |
| public Class loadClass( String className, String remoteCodebase, |
| ClassLoader loader) throws ClassNotFoundException |
| { |
| return JDKBridge.loadClass(className,remoteCodebase,loader); |
| } |
| |
| /** |
| * The <tt>isLocal</tt> method has the same semantics as the |
| * ObjectImpl._is_local method, except that it can throw a RemoteException. |
| * (no it doesn't but the spec says it should.) |
| * |
| * The <tt>_is_local()</tt> 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 <tt>_is_local()</tt> 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 <tt>_is_local()</tt> |
| * method returns false otherwise. The default behavior of <tt>_is_local()</tt> is |
| * to return false. |
| * |
| * @throws RemoteException The Java to IDL specification does to |
| * specify the conditions that cause a RemoteException to be thrown. |
| */ |
| public boolean isLocal(javax.rmi.CORBA.Stub stub) throws RemoteException |
| { |
| boolean result = false ; |
| |
| try { |
| org.omg.CORBA.portable.Delegate delegate = stub._get_delegate() ; |
| if (delegate instanceof CorbaClientDelegate) { |
| // For the Sun ORB |
| CorbaClientDelegate cdel = (CorbaClientDelegate)delegate ; |
| ContactInfoList cil = cdel.getContactInfoList() ; |
| if (cil instanceof CorbaContactInfoList) { |
| CorbaContactInfoList ccil = (CorbaContactInfoList)cil ; |
| LocalClientRequestDispatcher lcs = ccil.getLocalClientRequestDispatcher() ; |
| result = lcs.useLocalInvocation( null ) ; |
| } |
| } else { |
| // For a non-Sun ORB |
| result = delegate.is_local( stub ) ; |
| } |
| } catch (SystemException e) { |
| throw javax.rmi.CORBA.Util.mapSystemException(e); |
| } |
| |
| return result ; |
| } |
| |
| /** |
| * 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 RemoteException wrapException(Throwable orig) |
| { |
| if (orig instanceof SystemException) { |
| return mapSystemException((SystemException)orig); |
| } |
| |
| if (orig instanceof Error) { |
| return new ServerError("Error occurred in server thread",(Error)orig); |
| } else if (orig instanceof RemoteException) { |
| return new ServerException("RemoteException occurred in server thread", |
| (Exception)orig); |
| } else if (orig instanceof RuntimeException) { |
| throw (RuntimeException) orig; |
| } |
| |
| if (orig instanceof Exception) |
| return new UnexpectedException( orig.toString(), (Exception)orig ); |
| else |
| return new UnexpectedException( orig.toString()); |
| } |
| |
| /** |
| * 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 Object[] copyObjects (Object[] obj, org.omg.CORBA.ORB orb) |
| throws RemoteException |
| { |
| if (obj == null) |
| // Bug fix for 5018613: JCK test expects copyObjects to throw |
| // NPE when obj==null. This is actually not in the spec, since |
| // obj is not really an RMI-IDL data type, but we follow our |
| // test here, and force this error to be thrown. |
| throw new NullPointerException() ; |
| |
| Class compType = obj.getClass().getComponentType() ; |
| if (Remote.class.isAssignableFrom( compType ) && !compType.isInterface()) { |
| // obj is an array of remote impl types. This |
| // causes problems with stream copier, so we copy |
| // it over to an array of Remotes instead. |
| Remote[] result = new Remote[obj.length] ; |
| System.arraycopy( (Object)obj, 0, (Object)result, 0, obj.length ) ; |
| return (Object[])copyObject( result, orb ) ; |
| } else |
| return (Object[])copyObject( obj, orb ) ; |
| } |
| |
| /** |
| * 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 Object copyObject (Object obj, org.omg.CORBA.ORB orb) |
| throws RemoteException |
| { |
| if (orb instanceof ORB) { |
| ORB lorb = (ORB)orb ; |
| |
| try { |
| try { |
| // This gets the copier for the current invocation, which was |
| // previously set by preinvoke. |
| return lorb.peekInvocationInfo().getCopierFactory().make().copy( obj ) ; |
| } catch (java.util.EmptyStackException exc) { |
| // copyObject was invoked outside of an invocation, probably by |
| // a test. Get the default copier from the ORB. |
| // XXX should we just make the default copier available directly |
| // and avoid constructing one on each call? |
| CopierManager cm = lorb.getCopierManager() ; |
| ObjectCopier copier = cm.getDefaultObjectCopierFactory().make() ; |
| return copier.copy( obj ) ; |
| } |
| } catch (ReflectiveCopyException exc) { |
| RemoteException rexc = new RemoteException() ; |
| rexc.initCause( exc ) ; |
| throw rexc ; |
| } |
| } else { |
| org.omg.CORBA_2_3.portable.OutputStream out = |
| (org.omg.CORBA_2_3.portable.OutputStream)orb.create_output_stream(); |
| out.write_value((Serializable)obj); |
| org.omg.CORBA_2_3.portable.InputStream in = |
| (org.omg.CORBA_2_3.portable.InputStream)out.create_input_stream(); |
| return in.read_value(); |
| } |
| } |
| } |
| |
| class KeepAlive extends Thread |
| { |
| boolean quit = false; |
| |
| public KeepAlive () |
| { |
| setDaemon(false); |
| } |
| |
| public synchronized void run () |
| { |
| while (!quit) { |
| try { |
| wait(); |
| } catch (InterruptedException e) {} |
| } |
| } |
| |
| public synchronized void quit () |
| { |
| quit = true; |
| notifyAll(); |
| } |
| } |
