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jlechner |
/* ValueBaseHelper.java --
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Copyright (C) 2005 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.CORBA;
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import gnu.CORBA.CDR.Vio;
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import gnu.CORBA.typecodes.RecordTypeCode;
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import org.omg.CORBA.portable.InputStream;
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import org.omg.CORBA.portable.OutputStream;
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import java.io.Serializable;
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/**
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* A helper operations for the value base type ({@link ValueBase}).
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*
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* @since 1.3
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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 ValueBaseHelper
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{
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/**
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* Extract the value type from the given Any.
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*
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* @param a the Any to extract from.
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*
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* @return the extracted value type.
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*/
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public static Serializable extract(Any a)
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{
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return a.extract_Value();
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}
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/**
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* Return the value base helper repository id.
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*
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* @return IDL:omg.org/CORBA/ValueBase:1.0, always.
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*/
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public static String id()
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{
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return "IDL:omg.org/CORBA/ValueBase:1.0";
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}
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/**
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* Insert the value base that is Serializable into
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* the given Any.
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*
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* @param a the Any to insert into.
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* @param that the value base to insert.
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*/
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public static void insert(Any a, Serializable that)
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{
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a.insert_Value(that);
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}
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/**
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* Read the value base from the given input stream.
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*
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* @param input a stream to read from.
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*
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* @return the loaded value.
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*
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* @throws MARSHAL if the reading has failed due any reason.
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*/
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public static Serializable read(InputStream input)
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{
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return Vio.read(input);
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}
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/**
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* Get the typecode of the value type.
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* @return
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*/
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public static TypeCode type()
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{
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RecordTypeCode r = new RecordTypeCode(TCKind.tk_value);
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return r;
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}
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/**
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* Write the value base into the given stream.
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*
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* If the passed value implements the {@link CustomMarshal},
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* the helper uses {@link CustomMarshal#marshal}
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* to write the content in a user defined way. Otherwise,
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* this implementation initialises the {@link ObjectOutputStream}
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* and writes through it.
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*
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* @param output a stream to write to.
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*
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* @param value a value to write.
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*
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* @throws MARSHAL if the writing failed due any reason.
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*/
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public static void write(OutputStream output, Serializable value)
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{
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Vio.write(output, value);
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}
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}
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