1 /* 2 * Copyright (c) 2014, 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 sun.awt.datatransfer; 27 28 import sun.awt.AppContext; 29 import sun.datatransfer.DesktopDatatransferService; 30 31 import java.awt.EventQueue; 32 import java.awt.datatransfer.DataFlavor; 33 import java.awt.datatransfer.FlavorMap; 34 import java.util.LinkedHashSet; 35 import java.util.function.Supplier; 36 37 /** 38 * Provides desktop services to the datatransfer module according to 39 * {@code DesktopDatatransferService} interface. 40 * 41 * @author Petr Pchelko 42 * @since 9 43 */ 44 public class DesktopDatatransferServiceImpl implements DesktopDatatransferService { 45 46 private static final Object FLAVOR_MAP_KEY = new Object(); 47 48 @Override invokeOnEventThread(Runnable r)49 public void invokeOnEventThread(Runnable r) { 50 EventQueue.invokeLater(r); 51 } 52 53 @Override getDefaultUnicodeEncoding()54 public String getDefaultUnicodeEncoding() { 55 DataTransferer dataTransferer = DataTransferer.getInstance(); 56 if (dataTransferer != null) { 57 return dataTransferer.getDefaultUnicodeEncoding(); 58 } 59 return null; 60 } 61 62 @Override getFlavorMap(Supplier<FlavorMap> supplier)63 public FlavorMap getFlavorMap(Supplier<FlavorMap> supplier) { 64 AppContext context = AppContext.getAppContext(); 65 FlavorMap fm = (FlavorMap) context.get(FLAVOR_MAP_KEY); 66 if (fm == null) { 67 fm = supplier.get(); 68 context.put(FLAVOR_MAP_KEY, fm); 69 } 70 return fm; 71 } 72 73 @Override isDesktopPresent()74 public boolean isDesktopPresent() { 75 return true; 76 } 77 78 @Override getPlatformMappingsForNative(String nat)79 public LinkedHashSet<DataFlavor> getPlatformMappingsForNative(String nat) { 80 DataTransferer instance = DataTransferer.getInstance(); 81 return instance != null ? instance.getPlatformMappingsForNative(nat) : new LinkedHashSet<>(); 82 } 83 84 @Override getPlatformMappingsForFlavor(DataFlavor df)85 public LinkedHashSet<String> getPlatformMappingsForFlavor(DataFlavor df) { 86 DataTransferer instance = DataTransferer.getInstance(); 87 return instance != null ? instance.getPlatformMappingsForFlavor(df) : new LinkedHashSet<>(); 88 } 89 90 @Override registerTextFlavorProperties(String nat, String charset, String eoln, String terminators)91 public void registerTextFlavorProperties(String nat, String charset, String eoln, String terminators) { 92 DataTransferer instance = DataTransferer.getInstance(); 93 if (instance != null) { 94 instance.registerTextFlavorProperties(nat, charset, eoln, terminators); 95 } 96 } 97 } 98