WireObjectKeyTemplate.java

/*
 * 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
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package org.jboss.com.sun.corba.se.impl.ior;

import org.jboss.com.sun.corba.se.impl.encoding.CDRInputStream;
import org.jboss.com.sun.corba.se.impl.logging.IORSystemException;
import org.jboss.com.sun.corba.se.impl.orbutil.ORBConstants;
import org.jboss.com.sun.corba.se.spi.ior.ObjectAdapterId;
import org.jboss.com.sun.corba.se.spi.ior.ObjectId;
import org.jboss.com.sun.corba.se.spi.ior.ObjectKeyTemplate;
import org.jboss.com.sun.corba.se.spi.logging.CORBALogDomains;
import org.jboss.com.sun.corba.se.spi.orb.ORB;
import org.jboss.com.sun.corba.se.spi.orb.ORBVersion;
import org.jboss.com.sun.corba.se.spi.orb.ORBVersionFactory;
import org.jboss.com.sun.corba.se.spi.protocol.CorbaServerRequestDispatcher;
import org.omg.CORBA.OctetSeqHolder;
import org.omg.CORBA_2_3.portable.InputStream;
import org.omg.CORBA_2_3.portable.OutputStream;

/**
 * @author Ken Cavanaugh
 */
public class WireObjectKeyTemplate implements ObjectKeyTemplate
{
    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)
    {
        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);
    }
}