| /* UnionMemberHelper.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.Minor; |
| import gnu.CORBA.OrbRestricted; |
| import gnu.CORBA.TypeCodeHelper; |
| |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.OutputStream; |
| |
| /** |
| * A helper operations for the union member. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public abstract class UnionMemberHelper |
| { |
| /** |
| * The cached typecode value (computed once). |
| */ |
| private static TypeCode typeCode; |
| |
| /** |
| * Used in creating recursive unions. |
| */ |
| private static boolean active; |
| |
| /** |
| * Inset the union member into the given Any. |
| */ |
| public static void insert(Any a, UnionMember that) |
| { |
| OutputStream out = a.create_output_stream(); |
| a.type(type()); |
| write(out, that); |
| a.read_value(out.create_input_stream(), type()); |
| } |
| |
| /** |
| * Extract the union member from the given Any. |
| */ |
| public static UnionMember extract(Any a) |
| { |
| return read(a.create_input_stream()); |
| } |
| |
| /** |
| * Create and return the typecode for this union member. |
| */ |
| public static synchronized TypeCode type() |
| { |
| if (typeCode == null) |
| { |
| synchronized (TypeCode.class) |
| { |
| if (typeCode == null) |
| { |
| if (active) |
| { |
| return OrbRestricted.Singleton.create_recursive_tc(id()); |
| } |
| active = true; |
| |
| ORB orb = OrbRestricted.Singleton; |
| |
| StructMember[] members = new StructMember[ 4 ]; |
| TypeCode member; |
| member = orb.create_string_tc(0); |
| member = |
| orb.create_alias_tc(IdentifierHelper.id(), "Identifier", |
| member |
| ); |
| members [ 0 ] = new StructMember("name", member, null); |
| member = orb.get_primitive_tc(TCKind.tk_any); |
| members [ 1 ] = new StructMember("label", member, null); |
| member = orb.create_string_tc(0); |
| member = orb.get_primitive_tc(TCKind.tk_TypeCode); |
| members [ 2 ] = new StructMember("type", member, null); |
| member = IDLTypeHelper.type(); |
| members [ 3 ] = new StructMember("type_def", member, null); |
| typeCode = |
| orb.create_struct_tc(UnionMemberHelper.id(), "UnionMember", |
| members |
| ); |
| active = false; |
| } |
| } |
| } |
| return typeCode; |
| } |
| |
| /** |
| * Return the UnionMember repository id. |
| * |
| * @return "IDL:omg.org/CORBA/UnionMember:1.0", always. |
| */ |
| public static String id() |
| { |
| return "IDL:omg.org/CORBA/UnionMember:1.0"; |
| } |
| |
| /** |
| * Read the union member from the given stream. |
| */ |
| public static UnionMember read(InputStream istream) |
| { |
| try |
| { |
| UnionMember value = new UnionMember(); |
| value.name = istream.read_string(); |
| value.label = istream.read_any(); |
| value.type = TypeCodeHelper.read(istream); |
| value.type_def = IDLTypeHelper.read(istream); |
| return value; |
| } |
| catch (UserException ex) |
| { |
| MARSHAL m = new MARSHAL(); |
| m.minor = Minor.UserException; |
| m.initCause(ex); |
| throw m; |
| } |
| } |
| |
| /** |
| * Write the union member to the given stream. |
| */ |
| public static void write(OutputStream ostream, UnionMember value) |
| { |
| try |
| { |
| ostream.write_string(value.name); |
| ostream.write_any(value.label); |
| TypeCodeHelper.write(ostream, value.type); |
| IDLTypeHelper.write(ostream, value.type_def); |
| } |
| catch (UserException ex) |
| { |
| MARSHAL m = new MARSHAL(); |
| m.minor = Minor.UserException; |
| m.initCause(ex); |
| throw m; |
| } |
| } |
| } |