1 /*
2 * Copyright (c) 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
47 this.methodRef = new SoftReference<>(method);
48 this.typeRef = new WeakReference<Class<?>>(method.getDeclaringClass());
49 }
50 }
51
52 boolean isSet() {
53 return this.methodRef != null;
54 }
55
56 Method get() {
57 if (this.methodRef == null) {
58 return null;
59 }
60 Method method = this.methodRef.get();
61 if (method == null) {
62 method = find(this.typeRef.get(), this.signature);
63 if (method == null) {
64 this.signature = null;
65 this.methodRef = null;
66 this.typeRef = null;
67 }
68 else {
69 this.methodRef = new SoftReference<>(method);
70 }
71 }
72 return isPackageAccessible(method.getDeclaringClass()) ? method : null;
73 }
74
75 private static Method find(Class<?> type, String signature) {
76 if (type != null) {
77 for (Method method : type.getMethods()) {
78 if (type.equals(method.getDeclaringClass())) {
79 if (method.toGenericString().equals(signature)) {
80 return method;
81 }
82 }
83 }
84 }
85 return null;
86 }
87 }
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1 /*
2 * Copyright (c) 2013, 2016, 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
47 this.methodRef = new SoftReference<>(method);
48 this.typeRef = new WeakReference<Class<?>>(method.getDeclaringClass());
49 }
50 }
51
52 boolean isSet() {
53 return this.methodRef != null;
54 }
55
56 Method get() {
57 if (this.methodRef == null) {
58 return null;
59 }
60 Method method = this.methodRef.get();
61 if (method == null) {
62 method = find(this.typeRef.get(), this.signature);
63 if (method == null) {
64 this.signature = null;
65 this.methodRef = null;
66 this.typeRef = null;
67 return null;
68 }
69 this.methodRef = new SoftReference<>(method);
70 }
71 return isPackageAccessible(method.getDeclaringClass()) ? method : null;
72 }
73
74 private static Method find(Class<?> type, String signature) {
75 if (type != null) {
76 for (Method method : type.getMethods()) {
77 if (type.equals(method.getDeclaringClass())) {
78 if (method.toGenericString().equals(signature)) {
79 return method;
80 }
81 }
82 }
83 }
84 return null;
85 }
86 }
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