| /* TaggedComponentHelper.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.MARSHAL; |
| 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; |
| |
| import java.io.IOException; |
| |
| /** |
| * A helper operations for the {@link TaggedComponent}. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public abstract class TaggedComponentHelper |
| { |
| /** |
| * Create the TaggedComponent typecode (structure, named "TaggedComponent"). |
| * The typecode states that the structure contains the following fields: tag, |
| * component_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/ComponentId:1.0", |
| "ComponentId", |
| orb.get_primitive_tc(TCKind.tk_ulong)); |
| members[0] = new StructMember("tag", field, null); |
| |
| field = orb.create_sequence_tc(0, orb.get_primitive_tc(TCKind.tk_octet)); |
| members[1] = new StructMember("component_data", field, null); |
| return orb.create_struct_tc(id(), "TaggedComponent", members); |
| } |
| |
| /** |
| * Insert the TaggedComponent into the given Any. This method uses the |
| * TaggedComponentHolder. |
| * |
| * @param any the Any to insert into. |
| * @param that the TaggedComponent to insert. |
| */ |
| public static void insert(Any any, TaggedComponent that) |
| { |
| any.insert_Streamable(new TaggedComponentHolder(that)); |
| } |
| |
| /** |
| * Extract the TaggedComponent from given Any. This method uses the |
| * TaggedComponentHolder. |
| * |
| * @throws BAD_OPERATION if the passed Any does not contain TaggedComponent. |
| */ |
| public static TaggedComponent extract(Any any) |
| { |
| try |
| { |
| return ((TaggedComponentHolder) any.extract_Streamable()).value; |
| } |
| catch (ClassCastException cex) |
| { |
| BAD_OPERATION bad = new BAD_OPERATION("TaggedComponent expected"); |
| bad.minor = Minor.Any; |
| bad.initCause(cex); |
| throw bad; |
| } |
| } |
| |
| /** |
| * Get the TaggedComponent repository id. |
| * |
| * @return "IDL:omg.org/IOP/TaggedComponent:1.0", always. |
| */ |
| public static String id() |
| { |
| return "IDL:omg.org/IOP/TaggedComponent:1.0"; |
| } |
| |
| /** |
| * Read the structure from the CDR intput stream. Expects the integer |
| * identifier of the tag, then the size of the tag data and then the specified |
| * number of bytes, representing the data of the tag. |
| * |
| * @param input a org.omg.CORBA.portable stream to read from. |
| */ |
| public static TaggedComponent read(InputStream input) |
| { |
| TaggedComponent value = new TaggedComponent(); |
| value.tag = input.read_long(); |
| value.component_data = new byte[input.read_long()]; |
| try |
| { |
| input.read(value.component_data); |
| } |
| catch (IOException e) |
| { |
| MARSHAL m = new MARSHAL(); |
| m.minor = Minor.Encapsulation; |
| m.initCause(e); |
| throw m; |
| } |
| return value; |
| } |
| |
| /** |
| * Write the structure to the CDR output stream. Writes the integer identifier |
| * of the tag, then the size of the tag data and then the specified number of |
| * bytes, representing the data of the tag. |
| * |
| * @param output a org.omg.CORBA.portable stream stream to write into. |
| * @param value a value to write. |
| */ |
| public static void write(OutputStream output, TaggedComponent value) |
| { |
| output.write_long(value.tag); |
| output.write_long(value.component_data.length); |
| |
| try |
| { |
| output.write(value.component_data); |
| } |
| catch (IOException e) |
| { |
| MARSHAL m = new MARSHAL(); |
| m.minor = Minor.Encapsulation; |
| m.initCause(e); |
| throw m; |
| } |
| } |
| } |