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Diffstat (limited to 'libjava/classpath/org/omg/IOP/IORHelper.java')
| -rw-r--r-- | libjava/classpath/org/omg/IOP/IORHelper.java | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/libjava/classpath/org/omg/IOP/IORHelper.java b/libjava/classpath/org/omg/IOP/IORHelper.java new file mode 100644 index 00000000000..5945bb75aa4 --- /dev/null +++ b/libjava/classpath/org/omg/IOP/IORHelper.java @@ -0,0 +1,163 @@ +/* IORHelper.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 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 IOR}. +* +* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) +*/ +public abstract class IORHelper +{ + /** + * The cached typecode value, computed only once. + */ + private static TypeCode typeCode; + + /** + * Create the IOR typecode (structure, + * named "IOR"). + * The typecode states that the structure contains the + * following fields: type_id, profiles. + */ + public static TypeCode type() + { + if (typeCode == null) + { + ORB orb = ORB.init(); + StructMember[] members = new StructMember[ 2 ]; + + TypeCode field; + + field = orb.get_primitive_tc(TCKind.tk_string); + members [ 0 ] = new StructMember("type_id", field, null); + + field = orb.create_sequence_tc(0, TaggedProfileHelper.type()); + members [ 1 ] = new StructMember("profiles", field, null); + typeCode = orb.create_struct_tc(id(), "IOR", members); + } + return typeCode; + } + + /** + * Insert the IOR into the given Any. + * This method uses the IORHolder. + * + * @param any the Any to insert into. + * @param that the IOR to insert. + */ + public static void insert(Any any, IOR that) + { + any.insert_Streamable(new IORHolder(that)); + } + + /** + * Extract the IOR from given Any. + * This method uses the IORHolder. + * + * @throws BAD_OPERATION if the passed Any does not contain IOR. + */ + public static IOR extract(Any any) + { + try + { + return ((IORHolder) any.extract_Streamable()).value; + } + catch (ClassCastException cex) + { + BAD_OPERATION bad = new BAD_OPERATION("IOR expected"); + bad.initCause(cex); + throw bad; + } + } + + /** + * Get the IOR repository id. + * + * @return "IDL:omg.org/IOP/IOR:1.0", always. + */ + public static String id() + { + return "IDL:omg.org/IOP/IOR:1.0"; + } + + /** + * Read the structure from the CDR intput stream. Expects repository + * it, then number of the tagged profiles and then the tagged profiles. + * Does not expect the endian indicator, present in the beginning of the + * stringified IOR references. + * + * @param input a org.omg.CORBA.portable stream to read from. + */ + public static IOR read(InputStream input) + { + IOR value = new IOR(); + value.type_id = input.read_string(); + value.profiles = new TaggedProfile[ input.read_long() ]; + for (int i0 = 0; i0 < value.profiles.length; i0++) + value.profiles [ i0 ] = TaggedProfileHelper.read(input); + return value; + } + + /** + * Write the structure to the CDR output stream. Writes + * Expects repository it, then number of the tagged profiles and then + * the tagged profiles. Will not write the endian indicator, present + * in the beginning of the stringified IOR references. + * + * @param output a org.omg.CORBA.portable stream stream to write into. + * @param value a value to write. + */ + public static void write(OutputStream output, IOR value) + { + output.write_string(value.type_id); + output.write_long(value.profiles.length); + for (int i0 = 0; i0 < value.profiles.length; i0++) + TaggedProfileHelper.write(output, value.profiles [ i0 ]); + } +}
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