| /* BindingIteratorHelper.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.CosNaming; |
| |
| import gnu.CORBA.Minor; |
| import gnu.CORBA.OrbRestricted; |
| |
| import org.omg.CORBA.Any; |
| import org.omg.CORBA.BAD_OPERATION; |
| import org.omg.CORBA.BAD_PARAM; |
| import org.omg.CORBA.ORB; |
| import org.omg.CORBA.TypeCode; |
| import org.omg.CORBA.portable.Delegate; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.ObjectImpl; |
| import org.omg.CORBA.portable.OutputStream; |
| |
| /** |
| * The helper operations for {@link BindingIterator} |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public abstract class BindingIteratorHelper |
| { |
| /** |
| * The {@link BindingIterator} repository id. |
| */ |
| private static String _id = "IDL:omg.org/CosNaming/BindingIterator:1.0"; |
| |
| /** |
| * Extract the binding iterator from the given {@link Any}. |
| */ |
| public static BindingIterator extract(Any a) |
| { |
| try |
| { |
| return ((BindingIteratorHolder) a.extract_Streamable()).value; |
| } |
| catch (ClassCastException ex) |
| { |
| BAD_OPERATION bad = new BAD_OPERATION("Binding iterator expected"); |
| bad.initCause(ex); |
| bad.minor = Minor.Any; |
| throw bad; |
| } |
| } |
| |
| /** |
| * Return the binding iterator repository id. |
| */ |
| public static String id() |
| { |
| return _id; |
| } |
| |
| /** |
| * Insert the binding iterator into the given {@link Any}. |
| */ |
| public static void insert(Any a, BindingIterator that) |
| { |
| a.insert_Streamable(new BindingIteratorHolder(that)); |
| } |
| |
| /** |
| * Narrow the given object to the BindingIterator. The narrowing |
| * means either direct casting or re-instantiating with the same |
| * delegate. |
| * |
| * @param obj the object to cast. |
| * |
| * @return the casted binding iterator. |
| */ |
| public static BindingIterator narrow(org.omg.CORBA.Object obj) |
| { |
| if (obj == null) |
| return null; |
| else if (obj instanceof BindingIterator) |
| return (BindingIterator) obj; |
| else if (!obj._is_a(id())) |
| throw new BAD_PARAM(); |
| else |
| { |
| Delegate delegate = ((ObjectImpl) obj)._get_delegate(); |
| return new _BindingIteratorStub(delegate); |
| } |
| } |
| |
| /** |
| * Narrow the given object to the BindingIterator. No type-checking is |
| * performed to verify that the object actually supports the requested type. |
| * The {@link BAD_OPERATION} will be thrown if unsupported operations are |
| * invoked on the new returned reference, but no failure is expected at the |
| * time of the unchecked_narrow. |
| * |
| * @param obj the object to cast. |
| * |
| * @return the casted binding iterator. |
| * |
| * @since 1.5 |
| * |
| * @see OMG issue 4158. |
| */ |
| public static BindingIterator unchecked_narrow(org.omg.CORBA.Object obj) |
| { |
| if (obj == null) |
| return null; |
| else if (obj instanceof BindingIterator) |
| return (BindingIterator) obj; |
| else |
| { |
| // Do not call the _is_a(..). |
| Delegate delegate = ((ObjectImpl) obj)._get_delegate(); |
| return new _BindingIteratorStub(delegate); |
| } |
| } |
| |
| /** |
| * Read the exception from the given CDR stream. |
| */ |
| public static BindingIterator read(InputStream istream) |
| { |
| return narrow(istream.read_Object(_BindingIteratorStub.class)); |
| } |
| |
| /** |
| * Create the type code for the BindingIterator. |
| */ |
| public static TypeCode type() |
| { |
| return OrbRestricted.Singleton.create_interface_tc(id(), "BindingIterator"); |
| } |
| |
| /** |
| * Write the exception to the CDR output stream. |
| */ |
| public static void write(OutputStream ostream, BindingIterator value) |
| { |
| ostream.write_Object((org.omg.CORBA.Object) value); |
| } |
| } |