1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.javafx.scene.input; 27 28 import javafx.scene.input.Clipboard; 29 30 /** 31 * Used to access internal methods of Clipboard. 32 */ 33 public class ClipboardHelper { 34 35 private static ClipboardAccessor clipboardAccessor; 36 37 static { 38 forceInit(Clipboard.class); 39 } 40 41 private ClipboardHelper() { 42 } 43 44 public static boolean contentPut(Clipboard clipboard) { 45 return clipboardAccessor.contentPut(clipboard); 46 } 47 48 public static void setClipboardAccessor(final ClipboardAccessor newAccessor) { 49 if (clipboardAccessor != null) { 50 throw new IllegalStateException(); 51 } 52 53 clipboardAccessor = newAccessor; 54 } 55 56 public interface ClipboardAccessor { 57 boolean contentPut(Clipboard clipboard); 58 } 59 60 private static void forceInit(final Class<?> classToInit) { 61 try { 62 Class.forName(classToInit.getName(), true, 63 classToInit.getClassLoader()); 64 } catch (final ClassNotFoundException e) { 65 throw new AssertionError(e); // Can't happen 66 } 67 } 68 }