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Java example source code file (NSClass.m)
The NSClass.m Java example source code/* * Copyright (c) 2011, 2012, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 "com_apple_jobjc_NSClass.h" #include <objc/runtime.h> #include <JavaNativeFoundation/JavaNativeFoundation.h> /* * Class: com_apple_jobjc_NSClass * Method: getNativeClassByName * Signature: (JLjava/lang/String;)J */ JNIEXPORT jlong JNICALL Java_com_apple_jobjc_NSClass_getNativeClassByName (JNIEnv *env, jclass clazz, jstring className) { if (className == NULL) return ptr_to_jlong(NULL); const char *classNameCStr = (*env)->GetStringUTFChars(env, className, JNI_FALSE); const id obj = objc_getClass(classNameCStr); (*env)->ReleaseStringUTFChars(env, className, classNameCStr); if (obj == nil) return ptr_to_jlong(NULL); return ptr_to_jlong(obj); } /* * Class: com_apple_jobjc_NSClass * Method: getSuperClass * Signature: (J)J */ JNIEXPORT jlong JNICALL Java_com_apple_jobjc_NSClass_getSuperClassOfClass (JNIEnv *env, jclass clazz, jlong clazzPtr) { if (clazzPtr == 0L) return ptr_to_jlong(NULL); const Class objClazz = (Class)jlong_to_ptr(clazzPtr); return ptr_to_jlong(class_getSuperclass(objClazz)); } /* * Class: com_apple_jobjc_NSClass * Method: getClassName * Signature: (J)Ljava/lang/String; */ JNIEXPORT jstring JNICALL Java_com_apple_jobjc_NSClass_getClassNameOfClass (JNIEnv *env, jclass clazz, jlong clazzPtr) { const char *clazzName = (char *)class_getName((Class)jlong_to_ptr(clazzPtr)); return (*env)->NewStringUTF(env, clazzName); } JNIEXPORT jlong JNICALL Java_com_apple_jobjc_NSClass_getClass (JNIEnv *env, jclass clazz, jlong objPtr) { id obj = (id)jlong_to_ptr(objPtr); return ptr_to_jlong(object_getClass(obj)); } Other Java examples (source code examples)Here is a short list of links related to this Java NSClass.m source code file: |
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