ObjectKeyTemplateBase.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 java.util.Iterator;

import org.jboss.com.sun.corba.se.impl.logging.IORSystemException;
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.protocol.CorbaServerRequestDispatcher;
import org.omg.CORBA_2_3.portable.InputStream;
import org.omg.CORBA_2_3.portable.OutputStream;

/**
 * @author
 */
public abstract class ObjectKeyTemplateBase implements ObjectKeyTemplate
{
    // Fixed constants for Java IDL object key template forms
    public static final String JIDL_ORB_ID = "";

    private static final String[] JIDL_OAID_STRINGS = {"TransientObjectAdapter"};

    public static final ObjectAdapterId JIDL_OAID = new ObjectAdapterIdArray(JIDL_OAID_STRINGS);

    protected IORSystemException wrapper;

    private ORBVersion version;

    private int magic;

    private int scid;

    private int serverid;

    private String orbid;

    private ObjectAdapterId oaid;

    private byte[] adapterId;

    public byte[] getAdapterId()
    {
        return adapterId.clone();
    }

    private byte[] computeAdapterId()
    {
        // write out serverid, orbid, oaid
        ByteBuffer buff = new ByteBuffer();

        buff.append(getServerId());
        buff.append(orbid);

        buff.append(oaid.getNumLevels());
        Iterator<String> iter = oaid.iterator();
        while (iter.hasNext())
        {
            String comp = iter.next();
            buff.append(comp);
        }

        buff.trimToSize();

        return buff.toArray();
    }

    public ObjectKeyTemplateBase(ORB orb, int magic, int scid, int serverid, String orbid, ObjectAdapterId oaid)
    {
        this.wrapper = IORSystemException.get(orb, CORBALogDomains.OA_IOR);
        this.magic = magic;
        this.scid = scid;
        this.serverid = serverid;
        this.orbid = orbid;
        this.oaid = oaid;

        adapterId = computeAdapterId();
    }

    public boolean equals(Object obj)
    {
        if (!(obj instanceof ObjectKeyTemplateBase))
            return false;

        ObjectKeyTemplateBase other = (ObjectKeyTemplateBase) obj;

        return (magic == other.magic) && (scid == other.scid) && (serverid == other.serverid)
                && (version.equals(other.version) && orbid.equals(other.orbid) && oaid.equals(other.oaid));
    }

    public int hashCode()
    {
        int result = 17;
        result = 37 * result + magic;
        result = 37 * result + scid;
        result = 37 * result + serverid;
        result = 37 * result + version.hashCode();
        result = 37 * result + orbid.hashCode();
        result = 37 * result + oaid.hashCode();
        return result;
    }

    public int getSubcontractId()
    {
        return scid;
    }

    public int getServerId()
    {
        return serverid;
    }

    public String getORBId()
    {
        return orbid;
    }

    public ObjectAdapterId getObjectAdapterId()
    {
        return oaid;
    }

    public void write(ObjectId objectId, OutputStream os)
    {
        writeTemplate(os);
        objectId.write(os);
    }

    public void write(OutputStream os)
    {
        writeTemplate(os);
    }

    abstract protected void writeTemplate(OutputStream os);

    protected int getMagic()
    {
        return magic;
    }

    // All subclasses should set the version in their constructors. Public so it can be used in a white-box test.
    public void setORBVersion(ORBVersion version)
    {
        this.version = version;
    }

    public ORBVersion getORBVersion()
    {
        return version;
    }

    protected byte[] readObjectKey(InputStream is)
    {
        int len = is.read_long();
        byte[] result = new byte[len];
        is.read_octet_array(result, 0, len);
        return result;
    }

    public CorbaServerRequestDispatcher getServerRequestDispatcher(ORB orb, ObjectId id)
    {
        return orb.getRequestDispatcherRegistry().getServerRequestDispatcher(scid);
    }
}