1/*
2 * Copyright (c) 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24#include <jni.h>
25
26// Private interface methods call test
27JNIEXPORT jint JNICALL
28Java_PrivateInterfaceMethods_callIntVoid(JNIEnv *env, jclass unused, jobject impl, jstring defining_class_name,
29                                         jstring method_name, jboolean virtual) {
30
31    // Lookup int method_name() in defining_class_name, and if it exists call impl.method_name()
32    // using a virtual or non-virtual invocation as indicated
33
34    jmethodID m_id = NULL;
35    jclass clazz = NULL;
36    const char* name = NULL;
37
38    name = (*env)->GetStringUTFChars(env, defining_class_name, NULL);
39    if (name == NULL) return -1;
40    clazz = (*env)->FindClass(env, name);
41    (*env)->ReleaseStringUTFChars(env, defining_class_name, name);
42    if ((*env)->ExceptionCheck(env)) return -1;
43
44    name = (*env)->GetStringUTFChars(env, method_name, NULL);
45    if (name == NULL) return -1;
46    m_id = (*env)->GetMethodID(env, clazz, name, "()I");
47    (*env)->ReleaseStringUTFChars(env, method_name, name);
48    if ((*env)->ExceptionCheck(env)) return -1;
49
50    if (!virtual)
51        return (*env)->CallNonvirtualIntMethod(env, impl, clazz, m_id);
52    else
53        return (*env)->CallIntMethod(env, impl, m_id);
54}
55
56// Private interface methods lookup test
57JNIEXPORT void JNICALL
58Java_PrivateInterfaceMethods_lookupIntVoid(JNIEnv *env, jclass unused,
59                                           jstring defining_class_name, jstring method_name) {
60
61    // Lookup int method_name() in defining_class_name
62
63    jmethodID m_id = NULL;
64    jclass clazz = NULL;
65    const char* name = NULL;
66
67    name = (*env)->GetStringUTFChars(env, defining_class_name, NULL);
68    if (name == NULL) return;
69    clazz = (*env)->FindClass(env, name);
70    (*env)->ReleaseStringUTFChars(env, defining_class_name, name);
71    if ((*env)->ExceptionCheck(env)) return;
72
73    name = (*env)->GetStringUTFChars(env, method_name, NULL);
74    if (name == NULL) return;
75    m_id = (*env)->GetMethodID(env, clazz, name, "()I");
76    (*env)->ReleaseStringUTFChars(env, method_name, name);
77}
78
79