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((PrivilegedAction<Object>) () -> { 38 verbose = Boolean.valueOf( 39 System.getProperty("javafx.embed.swing.verbose")); 40 return null; 41 }); 42 } 43 44 private static final String[] factoryNames = { 45 "com.sun.javafx.embed.swing.newimpl.InteropFactoryN", 46 "com.sun.javafx.embed.swing.oldimpl.InteropFactoryO" 47 }; 48 49 public synchronized static InteropFactory getInstance() throws Exception { 50 if (instance != null) return instance; 51 52 Class factoryClass = null; 53 for (String factoryName : factoryNames) { 54 try { 55 factoryClass = Class.forName(factoryName); 56 Constructor<InteropFactory> cons = factoryClass.getConstructor(); 57 instance = cons.newInstance(); 58 return instance; 59 } catch (Exception e) { 60 System.err.println("InteropFactory: cannot load " + factoryName); 61 if (verbose) { 62 e.printStackTrace(); 63 } 64 } 65 } 66 throw new Exception("No swing interop factory can be loaded"); 67 } 68 69 public abstract SwingNodeInterop createSwingNodeImpl(); 70 public abstract JFXPanelInterop createJFXPanelImpl(); 71 public abstract FXDnDInterop createFXDnDImpl(); 72 public abstract SwingFXUtilsImplInterop createSwingFXUtilsImpl(); 73 } 74