| /* |
| * 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<V> callable) throws Exception; |
| |
| JObjCRuntime runtime; |
| Threads(JObjCRuntime runtime) { this.runtime = runtime; } |
| |
| /** |
| * Perform callable on main thread. Exceptions that are thrown on the main thread are ignored. |
| */ |
| public void performOnMainThread(final Runnable runnable, final boolean wait) { |
| performRunnableOnMainThread(runnable, wait); |
| } |
| |
| /** |
| * Perform callable on main thread, block until done, and return the result. |
| * This also catches any exceptions on the main thread, brings them back and throws them to the caller. |
| */ |
| public <V> V performOnMainThread(final Callable<V> callable) throws Exception{ |
| return performCallableOnMainThread(callable); |
| } |
| } |
| } |