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