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:
@@ -0,0 +1,442 @@
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/* gnuDelegate.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;
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import gnu.CORBA.CDR.BufferredCdrInput;
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import gnu.CORBA.GIOP.ReplyHeader;
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import org.omg.CORBA.CompletionStatus;
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import org.omg.CORBA.Context;
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import org.omg.CORBA.ContextList;
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import org.omg.CORBA.ExceptionList;
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import org.omg.CORBA.MARSHAL;
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import org.omg.CORBA.NVList;
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import org.omg.CORBA.NamedValue;
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import org.omg.CORBA.ORB;
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import org.omg.CORBA.Request;
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import org.omg.CORBA.portable.ApplicationException;
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import org.omg.CORBA.portable.InputStream;
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import org.omg.CORBA.portable.OutputStream;
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import org.omg.CORBA.portable.RemarshalException;
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import org.omg.PortableInterceptor.ForwardRequest;
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import java.io.IOException;
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import java.net.Socket;
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/**
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* The Classpath implementation of the {@link Delegate} functionality in the
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* case, when the object was constructed from an IOR object. The IOR can be
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* constructed from the stringified object reference.
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*
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* There is an different instance of this delegate for each CORBA object.
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*
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* @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
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*/
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public class IorDelegate extends SimpleDelegate
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{
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/**
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* Contructs an instance of object using the given IOR.
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*/
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public IorDelegate(ORB an_orb, IOR an_ior)
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{
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super(an_orb, an_ior);
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}
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/**
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* Creates the request to invoke the method on this object.
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*
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* @param target the object, for that the operation must be invoked.
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* @param context context (null allowed)
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* @param operation the method name
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* @param parameters the method parameters
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* @param returns the return value holder
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* @param exceptions the exceptions that can be thrown by the method
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* @param ctx_list the context list (null allowed)
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*
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* @return the created request.
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*/
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public Request create_request(org.omg.CORBA.Object target, Context context,
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String operation, NVList parameters, NamedValue returns
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)
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{
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gnuRequest request = getRequestInstance(target);
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request.setIor(getIor());
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request.set_target(target);
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request.setOperation(operation);
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request.set_args(parameters);
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request.m_context = context;
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request.set_result(returns);
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request.setORB(orb);
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return request;
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}
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/**
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* Creates the request to invoke the method on this object.
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*
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* @param target the object, for that the operation must be invoked.
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* @param context context (null allowed)
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* @param operation the method name
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* @param parameters the method parameters
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* @param returns the return value holder
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*
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* @return the created request.
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*/
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public Request create_request(org.omg.CORBA.Object target, Context context,
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String operation, NVList parameters, NamedValue returns,
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ExceptionList exceptions, ContextList ctx_list
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)
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{
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gnuRequest request = getRequestInstance(target);
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request.setIor(ior);
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request.set_target(target);
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request.setOperation(operation);
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request.set_args(parameters);
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request.m_context = context;
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request.set_result(returns);
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request.set_exceptions(exceptions);
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request.set_context_list(ctx_list);
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request.setORB(orb);
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return request;
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}
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/**
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* Get the instance of request.
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*/
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protected gnuRequest getRequestInstance(org.omg.CORBA.Object target)
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{
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return new gnuRequest();
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}
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/**
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* Invoke operation on the given object, als handling temproray and permanent
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* redirections. The ReplyHeader.LOCATION_FORWARD will cause to resend the
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* request to the new direction. The ReplyHeader.LOCATION_FORWARD_PERM will
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* cause additionally to remember the new location by this delegate, so
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* subsequent calls will be immediately delivered to the new target.
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*
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* @param target the target object.
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* @param output the output stream, previously returned by
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* {@link #request(org.omg.CORBA.Object, String, boolean)}.
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*
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* @return the input stream, to read the response from or null for a one-way
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* request.
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*
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* @throws SystemException if the SystemException has been thrown on the
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* remote side (the exact type and the minor code matches the data of the
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* remote exception that has been thrown).
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*
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* @throws org.omg.CORBA.portable.ApplicationException as specified.
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* @throws org.omg.CORBA.portable.RemarshalException as specified.
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*/
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public InputStream invoke(org.omg.CORBA.Object target, OutputStream output)
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throws ApplicationException, RemarshalException
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{
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StreamBasedRequest request = (StreamBasedRequest) output;
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Forwardings: while (true)
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{
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try
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{
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if (request.response_expected)
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{
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RawReply response = request.request.submit();
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// Read reply header.
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ReplyHeader rh = response.header.create_reply_header();
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BufferredCdrInput input = response.getStream();
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input.setOrb(orb);
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rh.read(input);
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request.request.m_rph = rh;
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boolean moved_permanently = false;
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switch (rh.reply_status)
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{
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case ReplyHeader.NO_EXCEPTION:
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if (request.request.m_interceptor != null)
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request.request.m_interceptor.receive_reply(request.request.m_info);
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if (response.header.version.since_inclusive(1, 2))
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input.align(8);
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return input;
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case ReplyHeader.SYSTEM_EXCEPTION:
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if (response.header.version.since_inclusive(1, 2))
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input.align(8);
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showException(request, input);
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throw ObjectCreator.readSystemException(input,
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rh.service_context);
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case ReplyHeader.USER_EXCEPTION:
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if (response.header.version.since_inclusive(1, 2))
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input.align(8);
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showException(request, input);
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throw new ApplicationException(
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request.request.m_exception_id, input);
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case ReplyHeader.LOCATION_FORWARD_PERM:
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moved_permanently = true;
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case ReplyHeader.LOCATION_FORWARD:
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if (response.header.version.since_inclusive(1, 2))
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input.align(8);
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IOR forwarded = new IOR();
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try
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{
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forwarded._read_no_endian(input);
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}
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catch (IOException ex)
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{
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MARSHAL t = new MARSHAL("Cant read forwarding info",
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5102, CompletionStatus.COMPLETED_NO);
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t.initCause(ex);
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throw t;
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}
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gnuRequest prev = request.request;
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gnuRequest r = getRequestInstance(target);
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r.m_interceptor = prev.m_interceptor;
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r.m_slots = prev.m_slots;
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r.m_args = prev.m_args;
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r.m_context = prev.m_context;
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r.m_context_list = prev.m_context_list;
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r.m_environment = prev.m_environment;
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r.m_exceptions = prev.m_exceptions;
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r.m_operation = prev.m_operation;
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r.m_parameter_buffer = prev.m_parameter_buffer;
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r.m_parameter_buffer.request = r;
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r.m_result = prev.m_result;
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r.m_target = prev.m_target;
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r.oneWay = prev.oneWay;
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r.m_forward_ior = forwarded;
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if (r.m_interceptor != null)
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r.m_interceptor.receive_other(r.m_info);
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r.setIor(forwarded);
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IorObject it = new IorObject(orb,
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forwarded);
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r.m_target = it;
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request.request = r;
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IOR prev_ior = getIor();
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setIor(forwarded);
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try
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{
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return invoke(it, request);
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}
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finally
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{
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if (!moved_permanently)
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setIor(prev_ior);
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}
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default:
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throw new MARSHAL("Unknow reply status: "
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+ rh.reply_status, 8000 + rh.reply_status,
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CompletionStatus.COMPLETED_NO);
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}
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}
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else
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{
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request.request.send_oneway();
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return null;
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}
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}
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catch (ForwardRequest forwarded)
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{
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ForwardRequest fw = forwarded;
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Forwarding2: while (true)
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{
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try
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{
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gnuRequest prev = request.request;
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gnuRequest r = getRequestInstance(target);
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r.m_interceptor = prev.m_interceptor;
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r.m_args = prev.m_args;
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r.m_context = prev.m_context;
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r.m_context_list = prev.m_context_list;
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r.m_environment = prev.m_environment;
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r.m_exceptions = prev.m_exceptions;
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r.m_operation = prev.m_operation;
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r.m_parameter_buffer = prev.m_parameter_buffer;
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r.m_parameter_buffer.request = r;
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r.m_result = prev.m_result;
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r.m_target = prev.m_target;
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r.oneWay = prev.oneWay;
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r.m_forwarding_target = fw.forward;
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if (r.m_interceptor != null)
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r.m_interceptor.receive_other(r.m_info);
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r.m_target = fw.forward;
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request.request = r;
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break Forwarding2;
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}
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catch (ForwardRequest e)
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{
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forwarded = e;
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}
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}
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}
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}
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}
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/**
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* Show exception to interceptor.
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*/
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void showException(StreamBasedRequest request, BufferredCdrInput input)
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throws ForwardRequest
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{
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input.mark(2048);
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request.request.m_exception_id = input.read_string();
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input.reset();
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if (request.request.m_interceptor != null)
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request.request.m_interceptor.receive_exception(request.request.m_info);
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}
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/**
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* Create a request to invoke the method of this CORBA object.
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*
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* @param target the CORBA object, to that this operation must be applied.
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* @param operation the name of the method to invoke.
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*
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* @return the request.
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*/
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public Request request(org.omg.CORBA.Object target, String operation)
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{
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gnuRequest request = getRequestInstance(target);
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request.setIor(ior);
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request.set_target(target);
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request.setOperation(operation);
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request.setORB(orb);
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return request;
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}
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/**
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* Create a request to invoke the method of this CORBA object.
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*
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* @param target the CORBA object, to that this operation must be applied.
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* @param operation the name of the method to invoke.
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* @param response_expected specifies if this is one way message or the
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* response to the message is expected.
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*
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* @return the stream where the method arguments should be written.
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*/
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public OutputStream request(org.omg.CORBA.Object target, String operation,
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boolean response_expected
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)
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{
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gnuRequest request = getRequestInstance(target);
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request.setIor(ior);
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request.set_target(target);
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request.setOperation(operation);
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StreamBasedRequest out = request.getParameterStream();
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out.response_expected = response_expected;
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request.setORB(orb);
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out.setOrb(orb);
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return out;
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}
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/**
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* If there is an opened cache socket to access this object, close that
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* socket.
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*
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* @param target The target is not used, this delegate requires a single
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* instance per object.
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*/
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public void release(org.omg.CORBA.Object target)
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{
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String key = ior.Internet.host + ":" + ior.Internet.port;
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Socket socket = SocketRepository.get_socket(key);
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try
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{
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if (socket != null)
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{
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socket.close();
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}
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}
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catch (IOException ex)
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{
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// do nothing, then.
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}
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}
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/**
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* Reset the remote_ior flag, forcing to check if the object is local on the
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* next getRequestInstance call.
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*/
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public void setIor(IOR an_ior)
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{
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super.setIor(an_ior);
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}
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/**
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* Checks if the ior is local so far it is easy.
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*/
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public boolean is_local(org.omg.CORBA.Object self)
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{
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return false;
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}
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}
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Reference in New Issue
Block a user