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Java example source code file (IORFactories.java)

This example Java source code file (IORFactories.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

bad_param, corba, inputstream, ior, iorfactories, iorimpl, iortemplateimpl, iortemplatelist, iortemplatelistimpl, objectkeytemplate, objectreferencefactoryimpl, objectreferenceproducerbase, objectreferencetemplateimpl, orb, valuefactory

The IORFactories.java Java example source code

/*
 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.corba.se.spi.ior ;

import java.io.Serializable ;

import org.omg.CORBA_2_3.portable.InputStream ;

import org.omg.CORBA.BAD_PARAM ;
import org.omg.CORBA.portable.ValueFactory ;

import org.omg.PortableInterceptor.ObjectReferenceTemplate ;
import org.omg.PortableInterceptor.ObjectReferenceFactory ;

import com.sun.corba.se.impl.ior.ObjectIdImpl ;
import com.sun.corba.se.impl.ior.ObjectKeyImpl ;
import com.sun.corba.se.impl.ior.IORImpl ;
import com.sun.corba.se.impl.ior.IORTemplateImpl ;
import com.sun.corba.se.impl.ior.IORTemplateListImpl ;
import com.sun.corba.se.impl.ior.ObjectReferenceProducerBase ;
import com.sun.corba.se.impl.ior.ObjectReferenceFactoryImpl ;
import com.sun.corba.se.impl.ior.ObjectReferenceTemplateImpl ;
import com.sun.corba.se.impl.ior.ObjectKeyFactoryImpl ;

import com.sun.corba.se.impl.orbutil.ORBUtility ;

import com.sun.corba.se.spi.orb.ORB ;

/** This class provides a number of factory methods for creating
 * various IOR SPI classes which are not subclassed for specific protocols.
 * The following types must be created using this class:
 * <ul>
 * <li>ObjectId
 * <li>ObjectKey
 * <li>IOR
 * <li>IORTemplate
 * </ul>
 */
public class IORFactories {
    private IORFactories() {}

    /** Create an ObjectId for the given byte sequence.
     */
    public static ObjectId makeObjectId( byte[] id )
    {
        return new ObjectIdImpl( id ) ;
    }

    /** Create an ObjectKey for the given ObjectKeyTemplate and
     * ObjectId.
     */
    public static ObjectKey makeObjectKey( ObjectKeyTemplate oktemp, ObjectId oid )
    {
        return new ObjectKeyImpl( oktemp, oid ) ;
    }

    /** Create an empty IOR for the given orb and typeid.  The result is mutable.
     */
    public static IOR makeIOR( ORB orb, String typeid )
    {
        return new IORImpl( orb, typeid ) ;
    }

    /** Create an empty IOR for the given orb with a null typeid.  The result is mutable.
     */
    public static IOR makeIOR( ORB orb )
    {
        return new IORImpl( orb ) ;
    }

    /** Read an IOR from an InputStream.  ObjectKeys are not shared.
     */
    public static IOR makeIOR( InputStream is )
    {
        return new IORImpl( is ) ;
    }

    /** Create an IORTemplate with the given ObjectKeyTemplate.  The result
     * is mutable.
     */
    public static IORTemplate makeIORTemplate( ObjectKeyTemplate oktemp )
    {
        return new IORTemplateImpl( oktemp ) ;
    }

    /** Read an IORTemplate from an InputStream.
     */
    public static IORTemplate makeIORTemplate( InputStream is )
    {
        return new IORTemplateImpl( is ) ;
    }

    public static IORTemplateList makeIORTemplateList()
    {
        return new IORTemplateListImpl() ;
    }

    public static IORTemplateList makeIORTemplateList( InputStream is )
    {
        return new IORTemplateListImpl( is ) ;
    }

    public static IORFactory getIORFactory( ObjectReferenceTemplate ort )
    {
        if (ort instanceof ObjectReferenceTemplateImpl) {
            ObjectReferenceTemplateImpl orti =
                (ObjectReferenceTemplateImpl)ort ;
            return orti.getIORFactory() ;
        }

        throw new BAD_PARAM() ;
    }

    public static IORTemplateList getIORTemplateList( ObjectReferenceFactory orf )
    {
        if (orf instanceof ObjectReferenceProducerBase) {
            ObjectReferenceProducerBase base =
                (ObjectReferenceProducerBase)orf ;
            return base.getIORTemplateList() ;
        }

        throw new BAD_PARAM() ;
    }

    public static ObjectReferenceTemplate makeObjectReferenceTemplate( ORB orb,
        IORTemplate iortemp )
    {
        return new ObjectReferenceTemplateImpl( orb, iortemp ) ;
    }

    public static ObjectReferenceFactory makeObjectReferenceFactory( ORB orb,
        IORTemplateList iortemps )
    {
        return new ObjectReferenceFactoryImpl( orb, iortemps ) ;
    }

    public static ObjectKeyFactory makeObjectKeyFactory( ORB orb )
    {
        return new ObjectKeyFactoryImpl( orb ) ;
    }

    public static IOR getIOR( org.omg.CORBA.Object obj )
    {
        return ORBUtility.getIOR( obj ) ;
    }

    public static org.omg.CORBA.Object makeObjectReference( IOR ior )
    {
        return ORBUtility.makeObjectReference( ior ) ;
    }

    /** This method must be called in order to register the value
     * factories for the ObjectReferenceTemplate and ObjectReferenceFactory
     * value types.
     */
    public static void registerValueFactories( ORB orb )
    {
        // Create and register the factory for the Object Reference Template
        // implementation.
        ValueFactory vf = new ValueFactory() {
            public Serializable read_value( InputStream is )
            {
                return new ObjectReferenceTemplateImpl( is ) ;
            }
        } ;

        orb.register_value_factory( ObjectReferenceTemplateImpl.repositoryId, vf ) ;

        // Create and register the factory for the Object Reference Factory
        // implementation.
        vf = new ValueFactory() {
            public Serializable read_value( InputStream is )
            {
                return new ObjectReferenceFactoryImpl( is ) ;
            }
        } ;

        orb.register_value_factory( ObjectReferenceFactoryImpl.repositoryId, vf ) ;
    }
}

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