4
|
1 |
/*
|
5555
|
2 |
* Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
|
4
|
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
|
5555
|
7 |
* published by the Free Software Foundation. Oracle designates this
|
4
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
5555
|
9 |
* by Oracle in the LICENSE file that accompanied this code.
|
4
|
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 |
*
|
5555
|
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.
|
4
|
24 |
*/
|
|
25 |
|
|
26 |
/*
|
|
27 |
* Licensed Materials - Property of IBM
|
|
28 |
* RMI-IIOP v1.0
|
|
29 |
* Copyright IBM Corp. 1998 1999 All Rights Reserved
|
|
30 |
*
|
|
31 |
*/
|
|
32 |
|
|
33 |
package sun.rmi.rmic.iiop;
|
|
34 |
|
|
35 |
import java.util.Vector;
|
|
36 |
import sun.tools.java.CompilerError;
|
|
37 |
import sun.tools.java.ClassNotFound;
|
|
38 |
import sun.tools.java.ClassDefinition;
|
|
39 |
|
|
40 |
/**
|
|
41 |
* AbstractType represents any non-special interface which does not
|
|
42 |
* inherit from java.rmi.Remote, for which all methods throw RemoteException.
|
|
43 |
* <p>
|
|
44 |
* The static forAbstract(...) method must be used to obtain an instance, and will
|
|
45 |
* return null if the ClassDefinition is non-conforming.
|
|
46 |
* @author Bryan Atsatt
|
|
47 |
*/
|
|
48 |
public class AbstractType extends RemoteType {
|
|
49 |
|
|
50 |
//_____________________________________________________________________
|
|
51 |
// Public Interfaces
|
|
52 |
//_____________________________________________________________________
|
|
53 |
|
|
54 |
/**
|
|
55 |
* Create an AbstractType for the given class.
|
|
56 |
*
|
|
57 |
* If the class is not a properly formed or if some other error occurs, the
|
|
58 |
* return value will be null, and errors will have been reported to the
|
|
59 |
* supplied BatchEnvironment.
|
|
60 |
*/
|
|
61 |
public static AbstractType forAbstract(ClassDefinition classDef,
|
|
62 |
ContextStack stack,
|
|
63 |
boolean quiet)
|
|
64 |
{
|
|
65 |
boolean doPop = false;
|
|
66 |
AbstractType result = null;
|
|
67 |
|
|
68 |
try {
|
|
69 |
|
|
70 |
// Do we already have it?
|
|
71 |
|
|
72 |
sun.tools.java.Type theType = classDef.getType();
|
|
73 |
Type existing = getType(theType,stack);
|
|
74 |
|
|
75 |
if (existing != null) {
|
|
76 |
|
|
77 |
if (!(existing instanceof AbstractType)) return null; // False hit.
|
|
78 |
|
|
79 |
// Yep, so return it...
|
|
80 |
|
|
81 |
return (AbstractType) existing;
|
|
82 |
|
|
83 |
}
|
|
84 |
|
|
85 |
// Could this be an abstract?
|
|
86 |
|
|
87 |
if (couldBeAbstract(stack,classDef,quiet)) {
|
|
88 |
|
|
89 |
// Yes, so try it...
|
|
90 |
|
|
91 |
AbstractType it = new AbstractType(stack, classDef);
|
|
92 |
putType(theType,it,stack);
|
|
93 |
stack.push(it);
|
|
94 |
doPop = true;
|
|
95 |
|
|
96 |
if (it.initialize(quiet,stack)) {
|
|
97 |
stack.pop(true);
|
|
98 |
result = it;
|
|
99 |
} else {
|
|
100 |
removeType(theType,stack);
|
|
101 |
stack.pop(false);
|
|
102 |
}
|
|
103 |
}
|
|
104 |
} catch (CompilerError e) {
|
|
105 |
if (doPop) stack.pop(false);
|
|
106 |
}
|
|
107 |
|
|
108 |
return result;
|
|
109 |
}
|
|
110 |
|
|
111 |
/**
|
|
112 |
* Return a string describing this type.
|
|
113 |
*/
|
|
114 |
public String getTypeDescription () {
|
|
115 |
return "Abstract interface";
|
|
116 |
}
|
|
117 |
|
|
118 |
//_____________________________________________________________________
|
|
119 |
// Internal/Subclass Interfaces
|
|
120 |
//_____________________________________________________________________
|
|
121 |
|
|
122 |
/**
|
|
123 |
* Create a AbstractType instance for the given class. The resulting
|
|
124 |
* object is not yet completely initialized.
|
|
125 |
*/
|
|
126 |
private AbstractType(ContextStack stack, ClassDefinition classDef) {
|
|
127 |
super(stack,classDef,TYPE_ABSTRACT | TM_INTERFACE | TM_COMPOUND);
|
|
128 |
}
|
|
129 |
|
|
130 |
//_____________________________________________________________________
|
|
131 |
// Internal Interfaces
|
|
132 |
//_____________________________________________________________________
|
|
133 |
|
|
134 |
|
|
135 |
private static boolean couldBeAbstract(ContextStack stack, ClassDefinition classDef,
|
|
136 |
boolean quiet) {
|
|
137 |
|
|
138 |
// Return true if interface and not remote...
|
|
139 |
|
|
140 |
boolean result = false;
|
|
141 |
|
|
142 |
if (classDef.isInterface()) {
|
|
143 |
BatchEnvironment env = stack.getEnv();
|
|
144 |
|
|
145 |
try {
|
|
146 |
result = ! env.defRemote.implementedBy(env, classDef.getClassDeclaration());
|
|
147 |
if (!result) failedConstraint(15,quiet,stack,classDef.getName());
|
|
148 |
} catch (ClassNotFound e) {
|
|
149 |
classNotFound(stack,e);
|
|
150 |
}
|
|
151 |
} else {
|
|
152 |
failedConstraint(14,quiet,stack,classDef.getName());
|
|
153 |
}
|
|
154 |
|
|
155 |
|
|
156 |
return result;
|
|
157 |
}
|
|
158 |
|
|
159 |
|
|
160 |
/**
|
|
161 |
* Initialize this instance.
|
|
162 |
*/
|
|
163 |
private boolean initialize (boolean quiet,ContextStack stack) {
|
|
164 |
|
|
165 |
boolean result = false;
|
|
166 |
ClassDefinition self = getClassDefinition();
|
|
167 |
|
|
168 |
try {
|
|
169 |
|
|
170 |
// Get methods...
|
|
171 |
|
|
172 |
Vector directMethods = new Vector();
|
|
173 |
|
|
174 |
if (addAllMethods(self,directMethods,true,quiet,stack) != null) {
|
|
175 |
|
|
176 |
// Do we have any methods?
|
|
177 |
|
|
178 |
boolean validMethods = true;
|
|
179 |
|
|
180 |
if (directMethods.size() > 0) {
|
|
181 |
|
|
182 |
// Yes. Walk 'em, ensuring each is a valid remote method...
|
|
183 |
|
|
184 |
for (int i = 0; i < directMethods.size(); i++) {
|
|
185 |
|
|
186 |
if (! isConformingRemoteMethod((Method) directMethods.elementAt(i),true)) {
|
|
187 |
validMethods = false;
|
|
188 |
}
|
|
189 |
}
|
|
190 |
}
|
|
191 |
|
|
192 |
if (validMethods) {
|
|
193 |
|
|
194 |
// We're ok, so pass 'em up...
|
|
195 |
|
|
196 |
result = initialize(null,directMethods,null,stack,quiet);
|
|
197 |
}
|
|
198 |
}
|
|
199 |
} catch (ClassNotFound e) {
|
|
200 |
classNotFound(stack,e);
|
|
201 |
}
|
|
202 |
|
|
203 |
return result;
|
|
204 |
}
|
|
205 |
}
|