1 /* 2 * Copyright (c) 2018, 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.embed.swing; 27 28 import java.security.AccessController; 29 import java.security.PrivilegedAction; 30 import java.lang.reflect.Constructor; 31 32 public abstract class InteropFactory { 33 private static InteropFactory instance = null; 34 private static boolean verbose = false; 35 36 static { 37 AccessController.doPrivileged(new PrivilegedAction<Object>() { 38 public Object run() { 39 verbose = Boolean.valueOf( 40 System.getProperty("javafx.embed.swing.verbose")); 41 return null; 42 } 43 }); 44 } 45 46 private static final String[] factoryNames = { 47 "com.sun.javafx.embed.swing.newimpl.InteropFactoryN", 48 "com.sun.javafx.embed.swing.oldimpl.InteropFactoryO" 49 }; 50 51 public synchronized static InteropFactory getInstance() throws Exception { 52 if (instance != null) return instance; 53 54 Class factoryClass = null; 55 for (String factoryName : factoryNames) { 56 try { 57 factoryClass = Class.forName(factoryName); 58 Constructor<InteropFactory> cons = factoryClass.getConstructor(); 59 instance = cons.newInstance(); 60 return instance; 61 } catch (Exception e) { 62 System.err.println("InteropFactory: cannot load " + factoryClass); 63 if (verbose) { 64 e.printStackTrace(); 65 } 66 } 67 } 68 throw new Exception("No swing interop factory can be loaded"); 69 } 70 71 public abstract SwingNodeInterop createSwingNodeImpl(); 72 public abstract JFXPanelInterop createJFXPanelImpl(); 73 public abstract FXDnDInterop createFXDnDImpl(); 74 public abstract SwingFXUtilsImplInterop createSwingFXUtilsImpl(); 75 } 76