1 /*
   2  * Copyright (c) 2017, 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 <stdlib.h>
  25 #include <string.h>
  26 
  27 #include "jni.h"
  28 #include "jni_util.h"
  29 
  30 JNIEXPORT jint JNICALL
  31 JNI_OnLoad(JavaVM *vm, void *reserved) {
  32     JNIEnv *env;
  33 
  34     if ((*vm)->GetEnv(vm, (void **) &env, JNI_VERSION_9) != JNI_OK) {
  35         printf("Not able to get JNIEnv\n");
  36         return JNI_FALSE;
  37     }
  38 
  39     return JNI_VERSION_9;
  40 }
  41 
  42 JNIEXPORT void JNICALL
  43 JNI_OnUnload(JavaVM *vm, void *reserved) {
  44     JNIEnv *env;
  45 
  46     if ((*vm)->GetEnv(vm, (void **) &env, JNI_VERSION_9) != JNI_OK) {
  47         printf("Not able to get JNIEnv\n");
  48     }
  49 
  50     jclass excls = (*env)->FindClass(env, "java/lang/Error");
  51 
  52     jclass cl = (*env)->FindClass(env, "p/Test");
  53     if (cl != NULL) {
  54         (*env)->ThrowNew(env, excls, "p.Test should not be found");
  55         return;
  56     }
  57 
  58     cl = (*env)->FindClass(env, "java/lang/ClassLoader");
  59     if (cl == NULL) {
  60         (*env)->ThrowNew(env, excls, "ClassLoader class not found");
  61         return;
  62     }
  63 }