- /*
- * @(#)POACurrent.java 1.17 03/12/19
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package com.sun.corba.se.impl.oa.poa;
-
- import java.util.*;
- import org.omg.CORBA.CompletionStatus;
- import org.omg.PortableServer.CurrentPackage.NoContext;
- import org.omg.PortableServer.POA;
- import org.omg.PortableServer.Servant;
- import org.omg.PortableServer.ServantLocatorPackage.CookieHolder;
-
- import com.sun.corba.se.spi.oa.OAInvocationInfo ;
- import com.sun.corba.se.spi.oa.ObjectAdapter ;
-
- import com.sun.corba.se.spi.orb.ORB ;
-
- import com.sun.corba.se.spi.logging.CORBALogDomains ;
-
- import com.sun.corba.se.impl.logging.POASystemException ;
-
- // XXX Needs to be turned into LocalObjectImpl.
-
- public class POACurrent extends org.omg.CORBA.portable.ObjectImpl
- implements org.omg.PortableServer.Current
- {
- private ORB orb;
- private POASystemException wrapper ;
-
- public POACurrent(ORB orb)
- {
- this.orb = orb;
- wrapper = POASystemException.get( orb,
- CORBALogDomains.OA_INVOCATION ) ;
- }
-
- public String[] _ids()
- {
- String[] ids = new String[1];
- ids[0] = "IDL:omg.org/PortableServer/Current:1.0";
- return ids;
- }
-
- //
- // Standard OMG operations.
- //
-
- public POA get_POA()
- throws
- NoContext
- {
- POA poa = (POA)(peekThrowNoContext().oa());
- throwNoContextIfNull(poa);
- return poa;
- }
-
- public byte[] get_object_id()
- throws
- NoContext
- {
- byte[] objectid = peekThrowNoContext().id();
- throwNoContextIfNull(objectid);
- return objectid;
- }
-
- //
- // Implementation operations used by POA package.
- //
-
- public ObjectAdapter getOA()
- {
- ObjectAdapter oa = peekThrowInternal().oa();
- throwInternalIfNull(oa);
- return oa;
- }
-
- public byte[] getObjectId()
- {
- byte[] objectid = peekThrowInternal().id();
- throwInternalIfNull(objectid);
- return objectid;
- }
-
- Servant getServant()
- {
- Servant servant = (Servant)(peekThrowInternal().getServantContainer());
- // If is OK for the servant to be null.
- // This could happen if POAImpl.getServant is called but
- // POAImpl.internalGetServant throws an exception.
- return servant;
- }
-
- CookieHolder getCookieHolder()
- {
- CookieHolder cookieHolder = peekThrowInternal().getCookieHolder();
- throwInternalIfNull(cookieHolder);
- return cookieHolder;
- }
-
- // This is public so we can test the stack balance.
- // It is not a security hole since this same info can be obtained from
- // PortableInterceptors.
- public String getOperation()
- {
- String operation = peekThrowInternal().getOperation();
- throwInternalIfNull(operation);
- return operation;
- }
-
- void setServant(Servant servant)
- {
- peekThrowInternal().setServant( servant );
- }
-
- //
- // Class utilities.
- //
-
- private OAInvocationInfo peekThrowNoContext()
- throws
- NoContext
- {
- OAInvocationInfo invocationInfo = null;
- try {
- invocationInfo = orb.peekInvocationInfo() ;
- } catch (EmptyStackException e) {
- throw new NoContext();
- }
- return invocationInfo;
- }
-
- private OAInvocationInfo peekThrowInternal()
- {
- OAInvocationInfo invocationInfo = null;
- try {
- invocationInfo = orb.peekInvocationInfo() ;
- } catch (EmptyStackException e) {
- // The completion status is maybe because this could happen
- // after the servant has been invoked.
- throw wrapper.poacurrentUnbalancedStack( e ) ;
- }
- return invocationInfo;
- }
-
- private void throwNoContextIfNull(Object o)
- throws
- NoContext
- {
- if ( o == null ) {
- throw new NoContext();
- }
- }
-
- private void throwInternalIfNull(Object o)
- {
- if ( o == null ) {
- throw wrapper.poacurrentNullField( CompletionStatus.COMPLETED_MAYBE ) ;
- }
- }
- }