NCClassType.java revision 608:7e06bf1dcb09 
1/*
2 * Copyright (c) 1998, 2007, 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/*
27 * Licensed Materials - Property of IBM
28 * RMI-IIOP v1.0
29 * Copyright IBM Corp. 1998 1999  All Rights Reserved
30 *
31 */
32
33package sun.rmi.rmic.iiop;
34
35import java.util.Vector;
36import sun.tools.java.CompilerError;
37import sun.tools.java.ClassNotFound;
38import sun.tools.java.ClassDefinition;
39
40/**
41 * NCClassType represents any non-special class which does not
42 * extends one or more interfaces which inherit from java.rmi.Remote.
43 * <p>
44 * The static forImplementation(...) method must be used to obtain an instance,
45 * and will return null if the ClassDefinition is non-conforming.
46 *
47 * @author      Bryan Atsatt
48 */
49public class NCClassType extends ClassType {
50
51    //_____________________________________________________________________
52    // Public Interfaces
53    //_____________________________________________________________________
54
55    /**
56     * Create an NCClassType for the given class.
57     *
58     * If the class is not a properly formed or if some other error occurs, the
59     * return value will be null, and errors will have been reported to the
60     * supplied BatchEnvironment.
61     */
62    public static NCClassType forNCClass(ClassDefinition classDef,
63                                         ContextStack stack) {
64
65        if (stack.anyErrors()) return null;
66
67        boolean doPop = false;
68        try {
69            // Do we already have it?
70
71            sun.tools.java.Type theType = classDef.getType();
72            Type existing = getType(theType,stack);
73
74            if (existing != null) {
75
76                if (!(existing instanceof NCClassType)) return null; // False hit.
77
78                                // Yep, so return it...
79
80                return (NCClassType) existing;
81
82            }
83
84            NCClassType it = new NCClassType(stack, classDef);
85            putType(theType,it,stack);
86            stack.push(it);
87            doPop = true;
88
89            if (it.initialize(stack)) {
90                stack.pop(true);
91                return it;
92            } else {
93                removeType(theType,stack);
94                stack.pop(false);
95                return null;
96            }
97        } catch (CompilerError e) {
98            if (doPop) stack.pop(false);
99            return null;
100        }
101    }
102
103    /**
104     * Return a string describing this type.
105     */
106    public String getTypeDescription () {
107        return addExceptionDescription("Non-conforming class");
108    }
109
110    //_____________________________________________________________________
111    // Internal/Subclass Interfaces
112    //_____________________________________________________________________
113
114    /**
115     * Create a NCClassType instance for the given class.  The resulting
116     * object is not yet completely initialized.
117     */
118    private NCClassType(ContextStack stack, ClassDefinition classDef) {
119        super(stack,classDef,TYPE_NC_CLASS | TM_CLASS | TM_COMPOUND);
120    }
121
122    //_____________________________________________________________________
123    // Internal Interfaces
124    //_____________________________________________________________________
125
126    /**
127     * Initialize this instance.
128     */
129    private boolean initialize (ContextStack stack) {
130        if (!initParents(stack)) {
131            return false;
132        }
133
134        if (stack.getEnv().getParseNonConforming()) {
135
136            Vector directInterfaces = new Vector();
137            Vector directMethods = new Vector();
138            Vector directMembers = new Vector();
139
140            try {
141
142                // Get methods...
143
144                if (addAllMethods(getClassDefinition(),directMethods,false,false,stack) != null) {
145
146                    // Update parent class methods...
147
148                    if (updateParentClassMethods(getClassDefinition(),directMethods,false,stack) != null) {
149
150                    // Get conforming constants...
151
152                    if (addConformingConstants(directMembers,false,stack)) {
153
154                        // We're ok, so pass 'em up...
155
156                        if (!initialize(directInterfaces,directMethods,directMembers,stack,false)) {
157                            return false;
158                        }
159                    }
160                    }
161                }
162                return true;
163
164            } catch (ClassNotFound e) {
165                classNotFound(stack,e);
166            }
167            return false;
168        } else {
169            return initialize(null,null,null,stack,false);
170        }
171    }
172}
173