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Diffstat (limited to 'org/omg/CORBA/PolicyHelper.java')
| -rw-r--r-- | org/omg/CORBA/PolicyHelper.java | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/org/omg/CORBA/PolicyHelper.java b/org/omg/CORBA/PolicyHelper.java new file mode 100644 index 000000000..29836c075 --- /dev/null +++ b/org/omg/CORBA/PolicyHelper.java @@ -0,0 +1,162 @@ +/* PolicyHelper.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., 59 Temple Place, Suite 330, Boston, MA +02111-1307 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.CORBA; + +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.Delegate; +import org.omg.CORBA.portable.InputStream; +import org.omg.CORBA.portable.ObjectImpl; +import org.omg.CORBA.portable.OutputStream; + +/** +* The helper operations for the +* CORBA object {@link Policy}. +* +* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) +*/ +public abstract class PolicyHelper +{ + /** + * The cached {@link Policy} typecode, computed once. + */ + private static TypeCode typeCode; + + /** + * Get the type code of the {@link Policy}. + * + * @return interface typecode, named "Policy". + */ + public static TypeCode type() + { + if (typeCode == null) + typeCode = ORB.init().create_interface_tc(id(), "Policy"); + return typeCode; + } + + /** + * Insert the Policy into the given Any. + * + * @param any the Any to insert into. + * @param that the Policy to insert. + */ + public static void insert(Any any, Policy that) + { + any.insert_Streamable(new PolicyHolder(that)); + } + + /** + * Extract the Policy from given Any. + * + * @throws BAD_OPERATION if the passed Any does not contain Policy. + */ + public static Policy extract(Any any) + { + try + { + PolicyHolder h = (PolicyHolder) any.extract_Streamable(); + return h.value; + } + catch (ClassCastException ex) + { + throw new BAD_OPERATION("Policy expected"); + } + } + + /** + * Get the Policy repository id. + * + * @return "IDL:omg.org/CORBA/Policy:1.0", always. + */ + public static String id() + { + return "IDL:omg.org/CORBA/Policy:1.0"; + } + + /** + * Cast the passed object into the Policy. If the + * object has a different java type, create an instance + * of the _PolicyStub, using the same delegate, as for + * the passed parameter. Hence, unlike java type cast, + * this method may return a different object, than has been passed. + * + * @param obj the object to narrow. + * @return narrowed instance. + * @throws BAD_PARAM if the passed object is not a Policy. + */ + public static Policy narrow(org.omg.CORBA.Object obj) + { + if (obj == null) + return null; + else if (obj instanceof Policy) + return (Policy) obj; + else if (!obj._is_a(id())) + throw new BAD_PARAM("Not a Policy"); + else + { + Delegate delegate = ((ObjectImpl) obj)._get_delegate(); + return new _PolicyStub(delegate); + } + } + + /** + * Read the object from the CDR intput stream (IOR profile expected). + * + * @param input a org.omg.CORBA.portable stream to read from. + */ + public static Policy read(InputStream input) + { + return narrow(input.read_Object()); + } + + /** + * Write the object to the CDR output stream (as IOR profile). + * + * @param output a org.omg.CORBA.portable stream stream to write into. + * @param value a value to write. + */ + public static void write(OutputStream output, Policy value) + { + output.write_Object(value); + } +}
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