1 /* TaggedComponentHelper.java --
2 Copyright (C) 2005 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
41 import org.omg.CORBA.Any;
42 import org.omg.CORBA.BAD_OPERATION;
43 import org.omg.CORBA.MARSHAL;
44 import org.omg.CORBA.ORB;
45 import org.omg.CORBA.StructMember;
46 import org.omg.CORBA.TCKind;
47 import org.omg.CORBA.TypeCode;
48 import org.omg.CORBA.portable.InputStream;
49 import org.omg.CORBA.portable.OutputStream;
51 import java.io.IOException;
54 * A helper operations for the {@link TaggedComponent}.
56 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
58 public abstract class TaggedComponentHelper
61 * The cached typecode value, computed only once.
63 private static TypeCode typeCode;
66 * Create the TaggedComponent typecode (structure, named "TaggedComponent").
67 * The typecode states that the structure contains the following fields: tag,
70 public static TypeCode type()
75 StructMember[] members = new StructMember[2];
79 field = orb.create_alias_tc("IDL:omg.org/IOP/ComponentId:1.0",
81 orb.get_primitive_tc(TCKind.tk_ulong));
82 members[0] = new StructMember("tag", field, null);
84 field = orb.create_sequence_tc(0, orb.get_primitive_tc(TCKind.tk_octet));
85 members[1] = new StructMember("component_data", field, null);
86 typeCode = orb.create_struct_tc(id(), "TaggedComponent", members);
92 * Insert the TaggedComponent into the given Any. This method uses the
93 * TaggedComponentHolder.
95 * @param any the Any to insert into.
96 * @param that the TaggedComponent to insert.
98 public static void insert(Any any, TaggedComponent that)
100 any.insert_Streamable(new TaggedComponentHolder(that));
104 * Extract the TaggedComponent from given Any. This method uses the
105 * TaggedComponentHolder.
107 * @throws BAD_OPERATION if the passed Any does not contain TaggedComponent.
109 public static TaggedComponent extract(Any any)
113 return ((TaggedComponentHolder) any.extract_Streamable()).value;
115 catch (ClassCastException cex)
117 BAD_OPERATION bad = new BAD_OPERATION("TaggedComponent expected");
124 * Get the TaggedComponent repository id.
126 * @return "IDL:omg.org/IOP/TaggedComponent:1.0", always.
128 public static String id()
130 return "IDL:omg.org/IOP/TaggedComponent:1.0";
134 * Read the structure from the CDR intput stream. Expects the integer
135 * identifier of the tag, then the size of the tag data and then the specified
136 * number of bytes, representing the data of the tag.
138 * @param input a org.omg.CORBA.portable stream to read from.
140 public static TaggedComponent read(InputStream input)
142 TaggedComponent value = new TaggedComponent();
143 value.tag = input.read_long();
144 value.component_data = new byte[input.read_long()];
147 input.read(value.component_data);
149 catch (IOException e)
151 MARSHAL m = new MARSHAL();
159 * Write the structure to the CDR output stream. Writes the integer identifier
160 * of the tag, then the size of the tag data and then the specified number of
161 * bytes, representing the data of the tag.
163 * @param output a org.omg.CORBA.portable stream stream to write into.
164 * @param value a value to write.
166 public static void write(OutputStream output, TaggedComponent value)
168 output.write_long(value.tag);
169 output.write_long(value.component_data.length);
173 output.write(value.component_data);
175 catch (IOException e)
177 MARSHAL m = new MARSHAL();