2 Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
41 import java
.io
.Serializable
;
42 import java
.util
.Enumeration
;
43 import java
.util
.Vector
;
46 * @author Tom Tromey (tromey@redhat.com)
49 public class Reference
implements Cloneable
, Serializable
51 public Reference (String className
)
53 this.className
= className
;
54 addrs
= new Vector ();
57 public Reference (String className
, RefAddr addr
)
59 this.className
= className
;
60 addrs
= new Vector ();
64 public Reference (String className
, String factory
, String factoryLocation
)
66 this.className
= className
;
67 this.classFactory
= factory
;
68 this.classFactoryLocation
= factoryLocation
;
69 addrs
= new Vector ();
72 public Reference (String className
, RefAddr addr
,
73 String factory
, String factoryLocation
)
75 this.className
= className
;
76 this.classFactory
= factory
;
77 this.classFactoryLocation
= factoryLocation
;
78 addrs
= new Vector ();
82 public void add (int posn
, RefAddr addr
)
84 addrs
.add (posn
, addr
);
87 public void add (RefAddr addr
)
97 public Object
clone ()
99 Reference r
= new Reference (className
, classFactory
,
100 classFactoryLocation
);
101 r
.addrs
= (Vector
) addrs
.clone ();
105 // Convenience function.
106 private boolean equals (String a
, String b
)
108 return (a
== null) ?
(b
== null) : a
.equals (b
);
111 public boolean equals (Object obj
)
113 if (! (obj
instanceof Reference
))
115 Reference r
= (Reference
) obj
;
116 return (equals (classFactory
, r
.classFactory
)
117 && equals (classFactoryLocation
, r
.classFactoryLocation
)
118 && equals (className
, r
.className
)
119 && addrs
.equals (r
.addrs
));
122 public RefAddr
get (int posn
)
124 return (RefAddr
) addrs
.get (posn
);
127 public RefAddr
get (String addrType
)
129 for (int i
= 0; i
< addrs
.size (); ++i
)
131 RefAddr r
= (RefAddr
) addrs
.get (i
);
132 if (addrType
.equals (r
.getType ()))
138 public Enumeration
getAll ()
140 return addrs
.elements ();
143 public String
getClassName ()
148 public String
getFactoryClassLocation ()
150 return classFactoryLocation
;
153 public String
getFactoryClassName ()
158 public int hashCode ()
160 // The spec says the hash code is the sum of the hash codes of the
161 // addresses. It does not mention the other fields.
163 for (int i
= 0; i
< addrs
.size (); ++i
)
164 h
+= addrs
.get (i
).hashCode ();
168 public Object
remove (int posn
)
170 return addrs
.remove (posn
);
175 return addrs
.size ();
178 public String
toString ()
180 String x
= getClass ().toString () + "[";
181 for (int i
= 0; i
< addrs
.size (); ++i
)
185 x
+= addrs
.get (i
).toString ();
190 protected Vector addrs
;
191 protected String classFactory
;
192 protected String classFactoryLocation
;
193 protected String className
;