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Java example source code file (Utils.java)
The Utils.java 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. */ package com.apple.jobjc; import java.util.concurrent.Callable; import com.apple.jobjc.foundation.NSNumber; import com.apple.jobjc.foundation.NSString; public class Utils { JObjCRuntime runtime; Utils(JObjCRuntime runtime){ this.runtime = runtime; } private static Utils utils; public static Utils get() { JObjCRuntime runtime = JObjCRuntime.getInstance(); // enforce security check return utils != null ? utils : (utils = new Utils(runtime)); } private Strings strings_; public Strings strings() { return strings_ != null ? strings_ : (strings_ = new Strings(runtime)); } private Numbers numbers_; public Numbers numbers() { return numbers_ != null ? numbers_ : (numbers_ = new Numbers(runtime)); } private Threads threads_; public Threads threads() { return threads_ != null ? threads_ : (threads_ = new Threads(runtime)); } public static class Strings { private static native long getNativeNSStringForJavaString(final String javaString); private static native String getNativeJavaStringForNSString(final long nsString); JObjCRuntime runtime; Strings(JObjCRuntime runtime) { this.runtime = runtime; } public NSString nsString(final String str) { if (str == null) return null; final long nsString = getNativeNSStringForJavaString(str); return ID.createNewObjCObjectForClass(NSString.class, nsString, runtime); } public String javaString(final NSString str) { if (str == null) return null; return getNativeJavaStringForNSString(((ID)str).ptr); } // static public CString cStringForJavaString(final String str) { // return null; // } } public static class Numbers { private static native long getNativeNSNumberForJavaNumber(final Number num); private static native Number getNativeJavaNumberForNSNumber(final long num); JObjCRuntime runtime; Numbers(JObjCRuntime runtime) { this.runtime = runtime; } public NSNumber nsNumber(final Number num) { if (num == null) return null; final long nsNumber = getNativeNSNumberForJavaNumber(num); return ID.createNewObjCObjectForClass(NSNumber.class, nsNumber, runtime); } public Number javaNumber(final NSNumber num) { if (num == null) return null; return getNativeJavaNumberForNSNumber(((ID)num).ptr); } } public static class Threads { private static native void performRunnableOnMainThread(final Runnable runnable, final boolean wait); private static native <V> V performCallableOnMainThread(final Callable Other Java examples (source code examples)Here is a short list of links related to this Java Utils.java source code file: |
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