79 lines
3.0 KiB
C
79 lines
3.0 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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// Private interface methods call test
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JNIEXPORT jint JNICALL
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Java_PrivateInterfaceMethods_callIntVoid(JNIEnv *env, jclass unused, jobject impl, jstring defining_class_name,
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jstring method_name, jboolean virtual) {
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// Lookup int method_name() in defining_class_name, and if it exists call impl.method_name()
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// using a virtual or non-virtual invocation as indicated
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jmethodID m_id = NULL;
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jclass clazz = NULL;
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const char* name = NULL;
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name = (*env)->GetStringUTFChars(env, defining_class_name, NULL);
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if (name == NULL) return -1;
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clazz = (*env)->FindClass(env, name);
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(*env)->ReleaseStringUTFChars(env, defining_class_name, name);
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if ((*env)->ExceptionCheck(env)) return -1;
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name = (*env)->GetStringUTFChars(env, method_name, NULL);
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if (name == NULL) return -1;
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m_id = (*env)->GetMethodID(env, clazz, name, "()I");
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(*env)->ReleaseStringUTFChars(env, method_name, name);
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if ((*env)->ExceptionCheck(env)) return -1;
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if (!virtual)
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return (*env)->CallNonvirtualIntMethod(env, impl, clazz, m_id);
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else
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return (*env)->CallIntMethod(env, impl, m_id);
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}
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// Private interface methods lookup test
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JNIEXPORT void JNICALL
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Java_PrivateInterfaceMethods_lookupIntVoid(JNIEnv *env, jclass unused,
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jstring defining_class_name, jstring method_name) {
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// Lookup int method_name() in defining_class_name
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jmethodID m_id = NULL;
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jclass clazz = NULL;
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const char* name = NULL;
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name = (*env)->GetStringUTFChars(env, defining_class_name, NULL);
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if (name == NULL) return;
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clazz = (*env)->FindClass(env, name);
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(*env)->ReleaseStringUTFChars(env, defining_class_name, name);
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if ((*env)->ExceptionCheck(env)) return;
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name = (*env)->GetStringUTFChars(env, method_name, NULL);
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if (name == NULL) return;
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m_id = (*env)->GetMethodID(env, clazz, name, "()I");
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(*env)->ReleaseStringUTFChars(env, method_name, name);
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}
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