/*

 * 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.iiop ;

import org.omg.CORBA.BAD_PARAM ;

import org.omg.CORBA_2_3.portable.InputStream ;

import org.omg.CORBA_2_3.portable.OutputStream ;

import com.sun.corba.se.spi.ior.iiop.IIOPAddress ;

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() + "]" ;

    }

}