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174 lines
5.2 KiB
Java
174 lines
5.2 KiB
Java
/* BindingIteratorHelper.java --
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Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package org.omg.CosNaming;
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import gnu.CORBA.Minor;
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import gnu.CORBA.OrbRestricted;
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import org.omg.CORBA.Any;
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import org.omg.CORBA.BAD_OPERATION;
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import org.omg.CORBA.BAD_PARAM;
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import org.omg.CORBA.TypeCode;
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import org.omg.CORBA.portable.Delegate;
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import org.omg.CORBA.portable.InputStream;
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import org.omg.CORBA.portable.ObjectImpl;
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import org.omg.CORBA.portable.OutputStream;
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/**
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* The helper operations for {@link BindingIterator}
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*
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* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
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*/
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public abstract class BindingIteratorHelper
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{
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/**
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* The {@link BindingIterator} repository id.
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*/
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private static String _id = "IDL:omg.org/CosNaming/BindingIterator:1.0";
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/**
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* Extract the binding iterator from the given {@link Any}.
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*/
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public static BindingIterator extract(Any a)
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{
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try
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{
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return ((BindingIteratorHolder) a.extract_Streamable()).value;
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}
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catch (ClassCastException ex)
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{
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BAD_OPERATION bad = new BAD_OPERATION("Binding iterator expected");
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bad.initCause(ex);
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bad.minor = Minor.Any;
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throw bad;
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}
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}
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/**
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* Return the binding iterator repository id.
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*/
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public static String id()
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{
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return _id;
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}
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/**
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* Insert the binding iterator into the given {@link Any}.
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*/
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public static void insert(Any a, BindingIterator that)
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{
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a.insert_Streamable(new BindingIteratorHolder(that));
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}
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/**
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* Narrow the given object to the BindingIterator. The narrowing
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* means either direct casting or re-instantiating with the same
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* delegate.
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*
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* @param obj the object to cast.
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*
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* @return the casted binding iterator.
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*/
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public static BindingIterator narrow(org.omg.CORBA.Object obj)
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{
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if (obj == null)
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return null;
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else if (obj instanceof BindingIterator)
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return (BindingIterator) obj;
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else if (!obj._is_a(id()))
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throw new BAD_PARAM();
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else
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{
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Delegate delegate = ((ObjectImpl) obj)._get_delegate();
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return new _BindingIteratorStub(delegate);
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}
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}
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/**
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* Narrow the given object to the BindingIterator. No type-checking is
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* performed to verify that the object actually supports the requested type.
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* The {@link BAD_OPERATION} will be thrown if unsupported operations are
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* invoked on the new returned reference, but no failure is expected at the
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* time of the unchecked_narrow. See OMG issue 4158.
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*
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* @param obj the object to cast.
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*
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* @return the casted binding iterator.
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*
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* @since 1.5
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*/
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public static BindingIterator unchecked_narrow(org.omg.CORBA.Object obj)
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{
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if (obj == null)
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return null;
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else if (obj instanceof BindingIterator)
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return (BindingIterator) obj;
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else
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{
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// Do not call the _is_a(..).
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Delegate delegate = ((ObjectImpl) obj)._get_delegate();
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return new _BindingIteratorStub(delegate);
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}
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}
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/**
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* Read the exception from the given CDR stream.
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*/
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public static BindingIterator read(InputStream istream)
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{
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return narrow(istream.read_Object(_BindingIteratorStub.class));
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}
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/**
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* Create the type code for the BindingIterator.
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*/
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public static TypeCode type()
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{
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return OrbRestricted.Singleton.create_interface_tc(id(), "BindingIterator");
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}
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/**
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* Write the exception to the CDR output stream.
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*/
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public static void write(OutputStream ostream, BindingIterator value)
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{
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ostream.write_Object((org.omg.CORBA.Object) value);
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}
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}
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