author | dholmes |
Mon, 03 Oct 2016 21:48:21 -0400 | |
changeset 41669 | 2091069b6851 |
child 41742 | 9ecf02bc1662 |
permissions | -rw-r--r-- |
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/* |
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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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} |