IIOPAddressBase.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
 *
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package org.jboss.com.sun.corba.se.impl.ior.iiop;

import org.jboss.com.sun.corba.se.spi.ior.iiop.IIOPAddress;
import org.omg.CORBA_2_3.portable.OutputStream;

/**
 * @author
 */
abstract class IIOPAddressBase implements IIOPAddress
{
    // Ports are marshalled as shorts on the wire. The IDL type is unsigned short, which lacks a convenient
    // representation in Java in the 32768-65536 range. So, we treat ports as ints throught this code, except that
    // marshalling requires a scaling conversion. intToShort and shortToInt are provided for this purpose.
    protected short intToShort(int value)
    {
        if (value > 32767)
            return (short) (value - 65536);
        return (short) value;
    }

    protected int shortToInt(short value)
    {
        if (value < 0)
            return value + 65536;
        return value;
    }

    public void write(OutputStream os)
    {
        os.write_string(getHost());
        int port = getPort();
        os.write_short(intToShort(port));
    }

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

        IIOPAddress other = (IIOPAddress) obj;

        return getHost().equals(other.getHost()) && (getPort() == other.getPort());
    }

    public int hashCode()
    {
        return getHost().hashCode() ^ getPort();
    }

    public String toString()
    {
        return "IIOPAddress[" + getHost() + "," + getPort() + "]";
    }
}