IIOPAddressBase.java revision 608:7e06bf1dcb09 
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
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23 * questions.
24 */
25
26package com.sun.corba.se.impl.ior.iiop ;
27
28import org.omg.CORBA.BAD_PARAM ;
29
30import org.omg.CORBA_2_3.portable.InputStream ;
31import org.omg.CORBA_2_3.portable.OutputStream ;
32
33import com.sun.corba.se.spi.ior.iiop.IIOPAddress ;
34
35/**
36 * @author
37 */
38abstract 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}
88