1 /*
2 * Copyright (c) 2003, 2013, 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
31 import sun.reflect.generics.tree.TypeTree;
32 import sun.reflect.generics.visitor.Reifier;
33 import sun.reflect.generics.parser.SignatureParser;
34
35
36 /**
37 * This class represents the generic type information for a class.
38 * The code is not dependent on a particular reflective implementation.
39 * It is designed to be used unchanged by at least core reflection and JDI.
40 */
41 public class ClassRepository extends GenericDeclRepository<ClassSignature> {
42
43 public static final ClassRepository NONE = ClassRepository.make("Ljava/lang/Object;", null);
44
45 /** The generic superclass info. Lazily initialized. */
46 private volatile Type superclass;
47
48 /** The generic superinterface info. Lazily initialized. */
49 private volatile Type[] superInterfaces;
50
51 // private, to enforce use of static factory
52 private ClassRepository(String rawSig, GenericsFactory f) {
53 super(rawSig, f);
54 }
55
56 protected ClassSignature parse(String s) {
57 return SignatureParser.make().parseClassSig(s);
58 }
59
60 /**
61 * Static factory method.
62 * @param rawSig - the generic signature of the reflective object
63 * that this repository is servicing
64 * @param f - a factory that will provide instances of reflective
65 * objects when this repository converts its AST
66 * @return a {@code ClassRepository} that manages the generic type
67 * information represented in the signature {@code rawSig}
68 */
69 public static ClassRepository make(String rawSig, GenericsFactory f) {
70 return new ClassRepository(rawSig, f);
71 }
72
73 /*
74 * When queried for a particular piece of type information, the
75 * general pattern is to consult the corresponding cached value.
76 * If the corresponding field is non-null, it is returned.
77 * If not, it is created lazily. This is done by selecting the appropriate
78 * part of the tree and transforming it into a reflective object
79 * using a visitor, which is created by feeding it the factory
80 * with which the repository was created.
81 */
82
83 public Type getSuperclass() {
84 Type value = superclass;
85 if (value == null) {
86 value = computeSuperclass();
87 superclass = value;
88 }
89 return value;
90 }
91
92 public Type[] getSuperInterfaces() {
93 Type[] value = superInterfaces;
94 if (value == null) {
95 value = computeSuperInterfaces();
96 superInterfaces = value;
97 }
98 return value.clone();
99 }
100
101 private Type computeSuperclass() {
|
1 /*
2 * Copyright (c) 2003, 2020, 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
31 import sun.reflect.generics.tree.TypeTree;
32 import sun.reflect.generics.visitor.Reifier;
33 import sun.reflect.generics.parser.SignatureParser;
34
35
36 /**
37 * This class represents the generic type information for a class.
38 * The code is not dependent on a particular reflective implementation.
39 * It is designed to be used unchanged by at least core reflection and JDI.
40 */
41 public class ClassRepository extends GenericDeclRepository<ClassSignature> {
42
43 public static final ClassRepository NONE = ClassRepository.make("Ljava/lang/Object;", null);
44
45 /** The generic superclass info. Lazily initialized. */
46 private volatile Type superclass;
47
48 /** The generic superinterface info. Lazily initialized. */
49 private volatile Type[] superInterfaces;
50
51 // private, to enforce use of static factory
52 private ClassRepository(String rawSig, GenericsFactory f) {
53 super(rawSig, f);
54 }
55
56 protected ClassSignature parse(String s) {
57 return SignatureParser.make().parseClassSig(s);
58 }
59
60 /**
61 * Static factory method.
62 * @param rawSig - the generic signature of the reflective object
63 * that this repository is servicing
64 * @param f - a factory that will provide instances of reflective
65 * objects when this repository converts its AST
66 * @return a {@code ClassRepository} that manages the generic type
67 * information represented in the signature {@code rawSig}
68 */
69 public static ClassRepository make(String rawSig, GenericsFactory f) {
70 return new ClassRepository(rawSig, f);
71 }
72
73 /*
74 * When queried for a particular piece of type information, the
75 * general pattern is to consult the corresponding cached value.
76 * If the corresponding field is non-null, it is returned.
77 * If not, it is created lazily. This is done by selecting the appropriate
78 * part of the tree and transforming it into a reflective object
79 * using a visitor, which is created by feeding it the factory
80 * with which the repository was created.
81 */
82
83 public Type getSuperclass() {
84 Type value = superclass;
85 if (value == null) {
86 value = computeSuperclass();
87 superclass = value;
88 }
89 return value;
90 }
91
92 public Type[] getSuperInterfaces() {
93 Type[] value = superInterfaces;
94 if (value == null) {
95 value = computeSuperInterfaces();
96 superInterfaces = value;
97 }
98 return value.clone();
99 }
100
101 private Type computeSuperclass() {
|