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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/org/omg/IOP/ServiceContextHelper.java | |
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Diffstat (limited to 'libjava/classpath/org/omg/IOP/ServiceContextHelper.java')
-rw-r--r-- | libjava/classpath/org/omg/IOP/ServiceContextHelper.java | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/libjava/classpath/org/omg/IOP/ServiceContextHelper.java b/libjava/classpath/org/omg/IOP/ServiceContextHelper.java new file mode 100644 index 000000000..6eab887ca --- /dev/null +++ b/libjava/classpath/org/omg/IOP/ServiceContextHelper.java @@ -0,0 +1,154 @@ +/* ServiceContextHelper.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.IOP; + +import gnu.CORBA.Minor; +import gnu.CORBA.OrbRestricted; + +import org.omg.CORBA.Any; +import org.omg.CORBA.BAD_OPERATION; +import org.omg.CORBA.ORB; +import org.omg.CORBA.StructMember; +import org.omg.CORBA.TCKind; +import org.omg.CORBA.TypeCode; +import org.omg.CORBA.portable.InputStream; +import org.omg.CORBA.portable.OutputStream; + +/** +* A helper operations for the structure {@link ServiceContext}. +* +* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) +*/ +public abstract class ServiceContextHelper +{ + /** + * Create the ServiceContext typecode (structure, named "ServiceContext"). The + * typecode states that the structure contains the following fields: + * context_id, context_data. + */ + public static TypeCode type() + { + ORB orb = OrbRestricted.Singleton; + StructMember[] members = new StructMember[2]; + + TypeCode field; + + field = orb.create_alias_tc("IDL:omg.org/IOP/ServiceId:1.0", "ServiceId", + orb.get_primitive_tc(TCKind.tk_ulong)); + members[0] = new StructMember("context_id", field, null); + + field = orb.create_sequence_tc(0, orb.get_primitive_tc(TCKind.tk_octet)); + members[1] = new StructMember("context_data", field, null); + return orb.create_struct_tc(id(), "ServiceContext", members); + } + + /** + * Insert the ServiceContext into the given Any. This method uses the + * ServiceContextHolder. + * + * @param any the Any to insert into. + * @param that the ServiceContext to insert. + */ + public static void insert(Any any, ServiceContext that) + { + any.insert_Streamable(new ServiceContextHolder(that)); + } + + /** + * Extract the ServiceContext from given Any. + * This method uses the ServiceContextHolder. + * + * @throws BAD_OPERATION if the passed Any does not contain ServiceContext. + */ + public static ServiceContext extract(Any any) + { + try + { + return ((ServiceContextHolder) any.extract_Streamable()).value; + } + catch (ClassCastException cex) + { + BAD_OPERATION bad = new BAD_OPERATION("ServiceContext expected"); + bad.minor = Minor.Any; + bad.initCause(cex); + throw bad; + } + } + + /** + * Get the ServiceContext repository id. + * + * @return "IDL:omg.org/IOP/ServiceContext:1.0", always. + */ + public static String id() + { + return "IDL:omg.org/IOP/ServiceContext:1.0"; + } + + /** + * Read the context from the CDR intput stream (first id, then + * data as a flexible length byte sequence). + * + * @param input a org.omg.CORBA.portable stream to read from. + */ + public static ServiceContext read(InputStream input) + { + ServiceContext value = new ServiceContext(); + value.context_id = input.read_long(); + value.context_data = new byte[ input.read_long() ]; + for (int i0 = 0; i0 < value.context_data.length; i0++) + value.context_data [ i0 ] = input.read_octet(); + return value; + } + + /** + * Write the context to the CDR output stream (first id, then + * data as a flexible length byte sequence). + * + * @param output a org.omg.CORBA.portable stream stream to write into. + * @param value a value to write. + */ + public static void write(OutputStream output, ServiceContext value) + { + output.write_long(value.context_id); + output.write_long(value.context_data.length); + for (int i0 = 0; i0 < value.context_data.length; i0++) + output.write_octet(value.context_data [ i0 ]); + } +} |