1 /*
   2  * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.corba.se.impl.ior.iiop ;
  27 
  28 import org.omg.CORBA.BAD_PARAM ;
  29 
  30 import org.omg.CORBA_2_3.portable.InputStream ;
  31 import org.omg.CORBA_2_3.portable.OutputStream ;
  32 
  33 import com.sun.corba.se.spi.ior.iiop.IIOPAddress ;
  34 
  35 /**
  36  * @author
  37  */
  38 abstract class IIOPAddressBase implements IIOPAddress
  39 {
  40     // Ports are marshalled as shorts on the wire.  The IDL
  41     // type is unsigned short, which lacks a convenient representation
  42     // in Java in the 32768-65536 range.  So, we treat ports as
  43     // ints throught this code, except that marshalling requires a
  44     // scaling conversion.  intToShort and shortToInt are provided
  45     // for this purpose.
  46     protected short intToShort( int value )
  47     {
  48         if (value > 32767)
  49             return (short)(value - 65536) ;
  50         return (short)value ;
  51     }
  52 
  53     protected int shortToInt( short value )
  54     {
  55         if (value < 0)
  56             return value + 65536 ;
  57         return value ;
  58     }
  59 
  60     public void write( OutputStream os )
  61     {
  62         os.write_string( getHost() ) ;
  63         int port = getPort() ;
  64         os.write_short( intToShort( port ) ) ;
  65     }
  66 
  67     public boolean equals( Object obj )
  68     {
  69         if (!(obj instanceof IIOPAddress))
  70             return false ;
  71 
  72         IIOPAddress other = (IIOPAddress)obj ;
  73 
  74         return getHost().equals(other.getHost()) &&
  75             (getPort() == other.getPort()) ;
  76     }
  77 
  78     public int hashCode()
  79     {
  80         return getHost().hashCode() ^ getPort() ;
  81     }
  82 
  83     public String toString()
  84     {
  85         return "IIOPAddress[" + getHost() + "," + getPort() + "]" ;
  86     }
  87 }