| /* |
| * Copyright (c) 2014, 2017, 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 sun.datatransfer; |
| |
| import java.awt.datatransfer.DataFlavor; |
| import java.awt.datatransfer.FlavorMap; |
| import java.util.LinkedHashSet; |
| import java.util.function.Supplier; |
| |
| /** |
| * Contains services which desktop provides to the datatransfer system to enrich |
| * it's functionality. |
| * |
| * @author Petr Pchelko |
| * @since 9 |
| */ |
| public interface DesktopDatatransferService { |
| |
| /** |
| * If desktop is present - invokes a {@code Runnable} on the event dispatch |
| * thread. Otherwise invokes a {@code run()} method directly. |
| * |
| * @param r a {@code Runnable} to invoke |
| */ |
| void invokeOnEventThread(Runnable r); |
| |
| /** |
| * Get a platform-dependent default unicode encoding to use in datatransfer |
| * system. |
| * |
| * @return default unicode encoding |
| */ |
| String getDefaultUnicodeEncoding(); |
| |
| /** |
| * Takes an appropriate {@code FlavorMap} from the desktop. If no |
| * appropriate table is found - uses a provided supplier to instantiate a |
| * table. If the desktop is absent - creates and returns a system singleton. |
| * |
| * @param supplier a constructor that should be used to create a new |
| * instance of the {@code FlavorMap} |
| * @return a {@code FlavorMap} |
| */ |
| FlavorMap getFlavorMap(Supplier<FlavorMap> supplier); |
| |
| /** |
| * Checks if desktop is present. |
| * |
| * @return {@code true} is the desktop is present |
| */ |
| boolean isDesktopPresent(); |
| |
| /** |
| * Returns platform-specific mappings for the specified native format. If |
| * there are no platform-specific mappings for this native, the method |
| * returns an empty {@code Set}. |
| * |
| * @param nat a native format to return flavors for |
| * @return set of platform-specific mappings for a native format |
| */ |
| LinkedHashSet<DataFlavor> getPlatformMappingsForNative(String nat); |
| |
| /** |
| * Returns platform-specific mappings for the specified flavor. If there are |
| * no platform-specific mappings for this flavor, the method returns an |
| * empty {@code Set}. |
| * |
| * @param df {@code DataFlavor} to return mappings for |
| * @return set of platform-specific mappings for a {@code DataFlavor} |
| */ |
| LinkedHashSet<String> getPlatformMappingsForFlavor(DataFlavor df); |
| |
| /** |
| * This method is called for text flavor mappings established while parsing |
| * the default flavor mappings file. It stores the "eoln" and "terminators" |
| * parameters which are not officially part of the MIME type. They are MIME |
| * parameters specific to the flavormap.properties file format. |
| */ |
| void registerTextFlavorProperties(String nat, String charset, |
| String eoln, String terminators); |
| } |