Imported GNU Classpath 0.19 + gcj-import-20051115.
* sources.am: Regenerated.
* Makefile.in: Likewise.
* scripts/makemake.tcl: Use glob -nocomplain.
From-SVN: r107049
This commit is contained in:
Mark Wielaard
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/* ServantDelegateImpl.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.CORBA.Poa;
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import gnu.CORBA.Unexpected;
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import org.omg.CORBA.NO_IMPLEMENT;
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import org.omg.CORBA.ORB;
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import org.omg.CORBA.ORBPackage.InvalidName;
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import org.omg.CORBA.Object;
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import org.omg.PortableServer.CurrentPackage.NoContext;
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import org.omg.PortableServer.POA;
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import org.omg.PortableServer.POAHelper;
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import org.omg.PortableServer.Servant;
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import org.omg.PortableServer.portable.Delegate;
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/**
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* The implementation of the servant delegate for the locally existing
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* servant.The associated servant that must also implement the
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* {@link InvokeHandler} interface. Each servant requires a separate
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* instance of this delegate and can serve a single object only.
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* Hence the fields are final, but the delegate is typically reused
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* unless the same servant is connected to different objects.
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*
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* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
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*/
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public class ServantDelegateImpl
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implements Delegate
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{
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/**
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* The servant, associated with this object.
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*/
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final Servant servant;
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/**
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* The servant (not object) id.
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*/
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final byte[] servant_id;
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/**
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* The POA, where the servant is connected.
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*/
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final gnuPOA poa;
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/**
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* The object, exposed as an object, served by this servant.
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*/
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final gnuServantObject object;
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/**
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* Create the delegat for the servant that will be connected to the
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* given poa. The method is normally called from inside of gnuPOA.
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* The constructor sets the newly created delegate as the delegate to this
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* servant by calling Servant._set_delegate.
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*
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* @param a_poa the poa.
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* @param a_servant the servant.
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* @param a_servant_id the servant id.
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*/
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public ServantDelegateImpl(Servant a_servant, gnuPOA a_poa, byte[] a_servant_id)
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{
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poa = a_poa;
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servant = a_servant;
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servant_id = a_servant_id;
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servant._set_delegate(this);
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object =
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new gnuServantObject(servant, servant_id, (ORB_1_4) servant._orb(), a_poa);
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object._set_delegate(new LocalDelegate(object, poa, a_servant_id));
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}
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/**
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* Check if this object could be named by the given repository id.
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* @param idl_id the repository id to check.
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*
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* @return true if it is one of the possible repository ids of this
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* object.
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*/
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public boolean is_a(Servant a_servant, String idl_id)
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{
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same(a_servant);
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String[] maybe = object.repository_ids;
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if (maybe == null)
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maybe = servant._all_interfaces(poa, object.Id);
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for (int i = 0; i < maybe.length; i++)
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{
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if (maybe [ i ].equals(idl_id))
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return true;
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}
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return false;
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}
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/**
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* Return the ORB's default POA.
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*/
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public POA default_POA(Servant a_servant)
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{
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same(a_servant);
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try
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{
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return POAHelper.narrow(orb(a_servant).resolve_initial_references("RootPOA"));
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}
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catch (InvalidName ex)
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{
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throw new Unexpected(ex);
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}
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}
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/**
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* Get ORB.
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*/
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public ORB orb(Servant a_servant)
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{
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same(a_servant);
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return poa.orb();
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}
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/**
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* Get the object, exposing the servant.
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*/
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public Object this_object(Servant a_servant)
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{
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same(a_servant);
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try
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{
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return poa.aom.get(poa.m_orb.currents.get_object_id()).object;
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}
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catch (NoContext ex)
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{
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return object;
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}
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}
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/**
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* Not supported.
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*
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* @specnote Same as for Sun up till 1.5 inclusive.
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*/
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public Object get_interface_def(Servant a_servant)
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{
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same(a_servant);
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throw new NO_IMPLEMENT();
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}
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/**
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* Get the Id of the object being currently served.
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*/
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public byte[] object_id(Servant a_servant)
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{
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same(a_servant);
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try
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{
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byte[] id = poa.m_orb.currents.get_object_id();
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return id;
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}
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catch (NoContext ex)
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{
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return object.Id;
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}
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}
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/**
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* Always returns false;
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*/
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public boolean non_existent(Servant a_servant)
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{
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same(a_servant);
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return false;
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}
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/**
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* Return the associated POA.
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*/
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public POA poa(Servant a_servant)
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{
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same(a_servant);
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try
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{
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return poa.m_orb.currents.get_POA();
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}
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catch (NoContext ex)
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{
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return poa;
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}
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}
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/**
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* Checks if the passed servant is the same as the servant, associated with
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* this delegate. This class requires a single servant per delegate.
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*/
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void same(Servant some_servant)
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{
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if (servant != some_servant)
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throw new InternalError("Only one servant per delegate is supported.");
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}
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}
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