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/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <jni.h>
static jmethodID _callable_method_id;
static jmethodID _callable_nested_method_id;
static void check_exceptions(JNIEnv *env) {
if ((*env)->ExceptionCheck(env)) {
(*env)->ExceptionDescribe(env);
(*env)->FatalError(env, "Unexpected Exception");
}
}
static jmethodID get_method_id(JNIEnv *env, jclass clz, jstring jname, jstring jsig) {
jmethodID mid;
const char *name, *sig;
name = (*env)->GetStringUTFChars(env, jname, NULL);
check_exceptions(env);
sig = (*env)->GetStringUTFChars(env, jsig, NULL);
check_exceptions(env);
mid = (*env)->GetMethodID(env, clz, name, sig);
check_exceptions(env);
(*env)->ReleaseStringUTFChars(env, jname, name);
(*env)->ReleaseStringUTFChars(env, jsig, sig);
return mid;
}
JNIEXPORT void JNICALL
Java_TestCheckedJniExceptionCheck_initMethodIds(JNIEnv *env,
jobject obj,
jstring callable_method_name,
jstring callable_method_sig,
jstring callable_nested_method_name,
jstring callable_nested_method_sig) {
jclass clz = (*env)->GetObjectClass(env, obj);
_callable_method_id = get_method_id(env, clz,
callable_method_name,
callable_method_sig);
_callable_nested_method_id = get_method_id(env, clz,
callable_nested_method_name,
callable_nested_method_sig);
}
JNIEXPORT void JNICALL
Java_TestCheckedJniExceptionCheck_callJavaFromNative(JNIEnv *env,
jobject obj,
jint nofCalls,
jboolean checkExceptions) {
int i;
for (i = 0; i < nofCalls; i++) {
(*env)->CallVoidMethod(env, obj, _callable_method_id);
if (checkExceptions == JNI_TRUE) {
check_exceptions(env);
}
}
}
JNIEXPORT void JNICALL
Java_TestCheckedJniExceptionCheck_callNestedJavaFromNative(JNIEnv *env,
jobject obj,
jint nofCalls,
jboolean checkExceptions) {
int i;
for (i = 0; i < nofCalls; i++) {
(*env)->CallVoidMethod(env, obj, _callable_nested_method_id, nofCalls, checkExceptions);
if (checkExceptions == JNI_TRUE) {
check_exceptions(env);
}
}
}
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