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Java example source code file (NativeThread.m)
The NativeThread.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_Utils_Threads.h" #import <AppKit/AppKit.h> #import <JavaNativeFoundation/JavaNativeFoundation.h> @interface JObjCCallable : NSObject { @public jobject returnValue; @public jthrowable exception; } @property jobject returnValue; @property jthrowable exception; - (void) performCallable:(JNFJObjectWrapper *)callableWrapper; @end /* * Class: com_apple_jobjc_Utils_Threads * Method: performRunnableOnMainThreadNative * Signature: (Ljava/lang/Runnable;Z)V */ JNIEXPORT void JNICALL Java_com_apple_jobjc_Utils_00024Threads_performRunnableOnMainThread (JNIEnv *env, jclass clazz, jobject runnable, jboolean jWaitUntilDone) { JNF_COCOA_ENTER(env); [JNFRunLoop performOnMainThreadWaiting:jWaitUntilDone withBlock:[JNFRunnable blockWithRunnable:runnable withEnv:env]]; JNF_COCOA_EXIT(env); } /* * Class: com_apple_jobjc_Utils_Threads * Method: performCallableOnMainThreadNative * Signature: (Ljava/util/concurrent/Callable;)Ljava/lang/Object; */ JNIEXPORT jobject JNICALL Java_com_apple_jobjc_Utils_00024Threads_performCallableOnMainThread (JNIEnv *env, jclass clazz, jobject callable) { jobject returnValue = NULL; JNF_COCOA_ENTER(env); JNFJObjectWrapper *callableWrapper = [[JNFJObjectWrapper alloc] initWithJObject:callable withEnv:env]; JObjCCallable *ncallable = [JObjCCallable alloc]; [ncallable performSelectorOnMainThread:@selector(performCallable:) withObject:callableWrapper waitUntilDone:true]; returnValue = ncallable.returnValue; jthrowable exception = ncallable.exception; [ncallable release]; if(exception) (*env)->Throw(env, exception); JNF_COCOA_EXIT(env); return returnValue; } @implementation JObjCCallable @synthesize returnValue; @synthesize exception; - (void) performCallable:(JNFJObjectWrapper *)callableWrapper { static JNF_CLASS_CACHE(jc_Callable, "java/util/concurrent/Callable"); static JNF_MEMBER_CACHE(jm_Callable_call, jc_Callable, "call", "()Ljava/lang/Object;"); JNFThreadContext threadWasAttached = JNFThreadDetachOnThreadDeath; JNIEnv *env = JNFObtainEnv(&threadWasAttached); jobject callable = [callableWrapper jObject]; @try{ self.returnValue = JNFCallObjectMethod(env, callable, jm_Callable_call); } @catch (JNFException *x) { [x raiseToJava:env]; } self.exception = (*env)->ExceptionOccurred(env); (*env)->ExceptionClear(env); [callableWrapper release]; JNFReleaseEnv(env, &threadWasAttached); } @end Other Java examples (source code examples)Here is a short list of links related to this Java NativeThread.m source code file: |
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