| /* DynamicImplementation.java -- |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package org.omg.CORBA; |
| |
| import gnu.CORBA.Unexpected; |
| import gnu.CORBA.gnuAny; |
| import gnu.CORBA.gnuNVList; |
| |
| import org.omg.CORBA.portable.ObjectImpl; |
| import org.omg.CORBA.portable.OutputStream; |
| |
| /** |
| * This class was probably originally thinked as a base of all CORBA |
| * object implementations. However the code, generated by IDL to |
| * java compilers almost never use it, preferring to derive the |
| * object implementation bases directly from the {@link ObjectImpl}. |
| * The class has become deprecated since the 1.4 release. |
| * |
| * @deprecated since 1.4. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public class DynamicImplementation |
| extends ObjectImpl |
| { |
| /** |
| * Invoke the method of the CORBA object. After converting the parameters, |
| * this method delegates call to the {@link ObjectImpl#invoke}. |
| * |
| * @deprecated since 1.4. |
| * |
| * @param request the container for both passing and returing the parameters, |
| * also contains the method name and thrown exceptions. |
| */ |
| public void invoke(ServerRequest request) |
| { |
| Request r = _request(request.operation()); |
| |
| // Copy the parameters. |
| NVList args = new gnuNVList(); |
| request.arguments(args); |
| NamedValue v; |
| int i = 0; |
| |
| try |
| { |
| // Set the arguments. |
| for (i = 0; i < args.count(); i++) |
| { |
| v = args.item(i); |
| Any n; |
| OutputStream out; |
| |
| switch (v.flags()) |
| { |
| case ARG_IN.value: |
| out = v.value().create_output_stream(); |
| v.value().write_value(out); |
| n = r.add_named_in_arg(v.name()); |
| n.read_value(out.create_input_stream(), v.value().type()); |
| break; |
| case ARG_INOUT.value: |
| out = v.value().create_output_stream(); |
| v.value().write_value(out); |
| n = r.add_named_inout_arg(v.name()); |
| n.read_value(out.create_input_stream(), v.value().type()); |
| break; |
| case ARG_OUT.value: |
| r.add_named_out_arg(v.name()); |
| break; |
| |
| default: |
| throw new InternalError("Invalid flags " + v.flags()); |
| } |
| } |
| } |
| catch (Bounds b) |
| { |
| throw new Unexpected(args.count() + "[" + i + "]", b); |
| } |
| |
| // Set context. |
| r.ctx(request.ctx()); |
| |
| // Set the return type (expects that the ServerRequest will initialise |
| // the passed Any. |
| |
| gnuAny g = new gnuAny(); |
| request.result(g); |
| r.set_return_type(g.type()); |
| |
| // Invoke the method. |
| r.invoke(); |
| |
| // Transfer the returned values. |
| NVList r_args = r.arguments(); |
| |
| try |
| { |
| // API states that the ServerRequest.arguments must be called only |
| // once. Hence we assume we can just modify the previously returned |
| // value <code>args</code>, and the ServerRequest will preserve the |
| // reference. |
| for (i = 0; i < args.count(); i++) |
| { |
| v = args.item(i); |
| |
| if (v.flags() == ARG_OUT.value || v.flags() == ARG_INOUT.value) |
| { |
| OutputStream out = r_args.item(i).value().create_output_stream(); |
| r_args.item(i).value().write_value(out); |
| v.value().read_value(out.create_input_stream(), |
| v.value().type()); |
| } |
| } |
| } |
| catch (Bounds b) |
| { |
| throw new Unexpected(args.count() + "[" + i + "]", b); |
| } |
| |
| // Set the returned result (if any). |
| NamedValue returns = r.result(); |
| if (returns != null) |
| request.set_result(returns.value()); |
| } |
| |
| /** |
| * Returns the array of the repository ids, supported by this object. |
| * In this implementation, the method must be overrridden to return |
| * a sendible object-specific information. The default method returns |
| * an empty array. |
| * |
| * @deprecated since 1.4. |
| * |
| * @return the empty array, always. |
| */ |
| public String[] _ids() |
| { |
| return new String[ 0 ]; |
| } |
| } |