| /* IDLTypeHelper.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.OrbRestricted; |
| |
| import org.omg.CORBA.portable.Delegate; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.ObjectImpl; |
| import org.omg.CORBA.portable.OutputStream; |
| |
| /** |
| * A helper operations for the IDL type. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public abstract class IDLTypeHelper |
| { |
| /** |
| * Insert the IDL type into the given Any. |
| */ |
| public static void insert(Any a, IDLType that) |
| { |
| OutputStream out = a.create_output_stream(); |
| a.type(type()); |
| write(out, that); |
| a.read_value(out.create_input_stream(), type()); |
| } |
| |
| /** |
| * Extract the IDL type from the given Any. |
| */ |
| public static IDLType extract(Any a) |
| { |
| return read(a.create_input_stream()); |
| } |
| |
| /** |
| * Get the typecode of the IDL type (the interface typecode, name "IDLType"). |
| */ |
| public static TypeCode type() |
| { |
| return OrbRestricted.Singleton.create_interface_tc(IDLTypeHelper.id(), |
| "IDLType"); |
| } |
| |
| /** |
| * Return the IDLType repository id. |
| * |
| * @return "IDL:omg.org/CORBA/IDLType:1.0", always. |
| */ |
| public static String id() |
| { |
| return "IDL:omg.org/CORBA/IDLType:1.0"; |
| } |
| |
| /** |
| * Read the IDL type from the given input stream. |
| * The method reads an object and narrows into IDL type using this |
| * helper. |
| */ |
| public static IDLType read(InputStream istream) |
| { |
| return narrow(istream.read_Object()); |
| } |
| |
| /** |
| * Write the IDL type to the output stream (as CORBA object). |
| */ |
| public static void write(OutputStream ostream, IDLType value) |
| { |
| ostream.write_Object((org.omg.CORBA.Object) value); |
| } |
| |
| /** |
| * Narrows the CORBA object into the IDL type. |
| */ |
| public static IDLType narrow(org.omg.CORBA.Object obj) |
| { |
| if (obj == null) |
| return null; |
| else if (obj instanceof IDLType) |
| return (IDLType) obj; |
| else if (!obj._is_a(id())) |
| throw new org.omg.CORBA.BAD_PARAM(); |
| else |
| { |
| Delegate delegate = ((ObjectImpl) obj)._get_delegate(); |
| return new _IDLTypeStub(delegate); |
| } |
| } |
| } |