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Java example source code file (WireObjectKeyTemplate.java)

This example Java source code file (WireObjectKeyTemplate.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

all, cdrinputstream, corba, corbaserverrequestdispatcher, inputstream, iorsystemexception, objectadapterid, objectid, octetseqholder, orb, orbversion, outputstream, string, wireobjectkeytemplate, wireobjectkeytemplates

The WireObjectKeyTemplate.java Java example source code

/*
 * Copyright (c) 2000, 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.impl.ior;

import org.omg.CORBA.OctetSeqHolder ;

import org.omg.CORBA_2_3.portable.OutputStream ;
import org.omg.CORBA_2_3.portable.InputStream ;

import com.sun.corba.se.spi.protocol.CorbaServerRequestDispatcher ;

import com.sun.corba.se.spi.ior.ObjectKeyTemplate ;
import com.sun.corba.se.spi.ior.ObjectId ;
import com.sun.corba.se.spi.ior.ObjectAdapterId ;

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

import com.sun.corba.se.spi.logging.CORBALogDomains ;

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

import com.sun.corba.se.impl.encoding.CDRInputStream ;

import com.sun.corba.se.impl.logging.IORSystemException ;

/**
 * @author Ken Cavanaugh
 */
public class WireObjectKeyTemplate implements ObjectKeyTemplate
{
    private ORB orb ;
    private IORSystemException wrapper ;

    public boolean equals( Object obj )
    {
        if (obj == null)
            return false ;

        return obj instanceof WireObjectKeyTemplate ;
    }

    public int hashCode()
    {
        return 53 ; // All WireObjectKeyTemplates are the same, so they should
                    // have the same hashCode.
    }

    private byte[] getId( InputStream is )
    {
        CDRInputStream cis = (CDRInputStream)is ;
        int len = cis.getBufferLength() ;
        byte[] result = new byte[ len ] ;
        cis.read_octet_array( result, 0, len ) ;
        return result ;
    }

    public WireObjectKeyTemplate( ORB orb )
    {
        initORB( orb ) ;
    }

    public WireObjectKeyTemplate( InputStream is, OctetSeqHolder osh )
    {
        osh.value = getId( is ) ;
        initORB( (ORB)(is.orb())) ;
    }

    private void initORB( ORB orb )
    {
        this.orb = orb ;
        wrapper = IORSystemException.get( orb,
            CORBALogDomains.OA_IOR ) ;
    }

    public void write( ObjectId id, OutputStream os )
    {
        byte[] key = id.getId() ;
        os.write_octet_array( key, 0, key.length ) ;
    }

    public void write( OutputStream os )
    {
        // Does nothing
    }

    public int getSubcontractId()
    {
        return ORBConstants.DEFAULT_SCID ;
    }

    /** While it might make sense to throw an exception here, this causes
    * problems since we need to check whether unusual object references
    * are local or not.  It seems that the easiest way to handle this is
    * to return an invalid server id.
    */
    public int getServerId()
    {
        return -1 ;
    }

    public String getORBId()
    {
        throw wrapper.orbIdNotAvailable() ;
    }

    public ObjectAdapterId getObjectAdapterId()
    {
        throw wrapper.objectAdapterIdNotAvailable() ;
    }

    /** Adapter ID is not available, since our
    * ORB did not implement the object carrying this key.
    */
    public byte[] getAdapterId()
    {
        throw wrapper.adapterIdNotAvailable() ;
    }

    public ORBVersion getORBVersion()
    {
        return ORBVersionFactory.getFOREIGN() ;
    }

    public CorbaServerRequestDispatcher getServerRequestDispatcher( ORB orb, ObjectId id )
    {
        byte[] bid = id.getId() ;
        String str = new String( bid ) ;
        return orb.getRequestDispatcherRegistry().getServerRequestDispatcher( str ) ;
    }
}

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