| |
| /* |
| * Copyright (c) 2011, 2014, 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.lwawt.macosx; |
| |
| import java.awt.*; |
| |
| import java.io.*; |
| import java.net.URL; |
| import java.util.*; |
| |
| import java.awt.datatransfer.*; |
| import sun.awt.datatransfer.*; |
| |
| public class CDataTransferer extends DataTransferer { |
| private static final Map<String, Long> predefinedClipboardNameMap; |
| private static final Map<Long, String> predefinedClipboardFormatMap; |
| |
| // See SystemFlavorMap, or the flavormap.properties file: |
| // We should define a few more types in flavormap.properties, it's rather slim now. |
| private static final String[] predefinedClipboardNames = { |
| "", |
| "STRING", |
| "FILE_NAME", |
| "TIFF", |
| "RICH_TEXT", |
| "HTML", |
| "PDF", |
| "URL", |
| "PNG", |
| "JFIF", |
| "XPICT" |
| }; |
| |
| static { |
| Map<String, Long> nameMap = new HashMap<>(predefinedClipboardNames.length, 1.0f); |
| Map<Long, String> formatMap = new HashMap<>(predefinedClipboardNames.length, 1.0f); |
| for (int i = 1; i < predefinedClipboardNames.length; i++) { |
| nameMap.put(predefinedClipboardNames[i], (long) i); |
| formatMap.put((long) i, predefinedClipboardNames[i]); |
| } |
| predefinedClipboardNameMap = Collections.synchronizedMap(nameMap); |
| predefinedClipboardFormatMap = Collections.synchronizedMap(formatMap); |
| } |
| |
| public static final int CF_UNSUPPORTED = 0; |
| public static final int CF_STRING = 1; |
| public static final int CF_FILE = 2; |
| public static final int CF_TIFF = 3; |
| public static final int CF_RICH_TEXT = 4; |
| public static final int CF_HTML = 5; |
| public static final int CF_PDF = 6; |
| public static final int CF_URL = 7; |
| public static final int CF_PNG = 8; |
| public static final int CF_JPEG = 9; |
| public static final int CF_XPICT = 10; |
| |
| private CDataTransferer() {} |
| |
| private static CDataTransferer fTransferer; |
| |
| static synchronized CDataTransferer getInstanceImpl() { |
| if (fTransferer == null) { |
| fTransferer = new CDataTransferer(); |
| } |
| |
| return fTransferer; |
| } |
| |
| @Override |
| public String getDefaultUnicodeEncoding() { |
| return "utf-16le"; |
| } |
| |
| @Override |
| public boolean isLocaleDependentTextFormat(long format) { |
| return format == CF_STRING; |
| } |
| |
| @Override |
| public boolean isFileFormat(long format) { |
| return format == CF_FILE; |
| } |
| |
| @Override |
| public boolean isImageFormat(long format) { |
| int ifmt = (int)format; |
| switch(ifmt) { |
| case CF_TIFF: |
| case CF_PDF: |
| case CF_PNG: |
| case CF_JPEG: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public Object translateBytes(byte[] bytes, DataFlavor flavor, |
| long format, Transferable transferable) throws IOException { |
| |
| |
| if (format == CF_URL && URL.class.equals(flavor.getRepresentationClass())) { |
| String[] strings = dragQueryFile(bytes); |
| if(strings == null || strings.length == 0) { |
| return null; |
| } |
| return new URL(strings[0]); |
| } else if(isUriListFlavor(flavor)) { |
| // dragQueryFile works fine with files and url, |
| // it parses and extracts values from property list. |
| // maxosx always returns property list for |
| // CF_URL and CF_FILE |
| String[] strings = dragQueryFile(bytes); |
| if(strings == null) { |
| return null; |
| } |
| String separator = System.getProperty("line.separator"); |
| StringBuilder sb = new StringBuilder(); |
| if(strings.length > 0) { |
| for(int i = 0; i < strings.length; i++) { |
| sb.append(strings[i]); |
| sb.append(separator); |
| } |
| } |
| bytes = sb.toString().getBytes(); |
| // now we extracted uri from xml, now we should treat it as |
| // regular string that allows to translate data to target represantation |
| // class by base method |
| format = CF_STRING; |
| } |
| |
| return super.translateBytes(bytes, flavor, format, transferable); |
| } |
| |
| @Override |
| synchronized protected Long getFormatForNativeAsLong(String str) { |
| Long format = predefinedClipboardNameMap.get(str); |
| |
| if (format == null) { |
| if (java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment().isHeadlessInstance()) { |
| // Do not try to access native system for the unknown format |
| return -1L; |
| } |
| format = registerFormatWithPasteboard(str); |
| predefinedClipboardNameMap.put(str, format); |
| predefinedClipboardFormatMap.put(format, str); |
| } |
| |
| return format; |
| } |
| |
| /* |
| * Adds type to native mapping NSDictionary. |
| */ |
| private native long registerFormatWithPasteboard(String type); |
| |
| // Get registered native format string for an index, return null if unknown: |
| private native String formatForIndex(long index); |
| |
| @Override |
| protected String getNativeForFormat(long format) { |
| String returnValue = null; |
| |
| // The most common case - just index the array of predefined names: |
| if (format >= 0 && format < predefinedClipboardNames.length) { |
| returnValue = predefinedClipboardNames[(int) format]; |
| } else { |
| Long formatObj = format; |
| returnValue = predefinedClipboardFormatMap.get(formatObj); |
| |
| // predefinedClipboardFormatMap may not know this format: |
| if (returnValue == null) { |
| returnValue = formatForIndex(format); |
| |
| // Native clipboard may not know this format either: |
| if (returnValue != null) { |
| predefinedClipboardNameMap.put(returnValue, formatObj); |
| predefinedClipboardFormatMap.put(formatObj, returnValue); |
| } |
| } |
| } |
| |
| if (returnValue == null) { |
| returnValue = predefinedClipboardNames[CF_UNSUPPORTED]; |
| } |
| |
| return returnValue; |
| } |
| |
| private final ToolkitThreadBlockedHandler handler = new CToolkitThreadBlockedHandler(); |
| |
| @Override |
| public ToolkitThreadBlockedHandler getToolkitThreadBlockedHandler() { |
| return handler; |
| } |
| |
| @Override |
| protected byte[] imageToPlatformBytes(Image image, long format) { |
| return CImage.getCreator().getPlatformImageBytes(image); |
| } |
| |
| private static native String[] nativeDragQueryFile(final byte[] bytes); |
| @Override |
| protected String[] dragQueryFile(final byte[] bytes) { |
| if (bytes == null) return null; |
| if (new String(bytes).startsWith("Unsupported type")) return null; |
| return nativeDragQueryFile(bytes); |
| } |
| |
| |
| @Override |
| protected Image platformImageBytesToImage(byte[] bytes, long format) throws IOException { |
| return CImage.getCreator().createImageFromPlatformImageBytes(bytes); |
| } |
| |
| @Override |
| protected ByteArrayOutputStream convertFileListToBytes(ArrayList<String> fileList) throws IOException { |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| for (String file : fileList) { |
| byte[] bytes = file.getBytes(); |
| bos.write(bytes, 0, bytes.length); |
| bos.write(0); |
| } |
| return bos; |
| } |
| |
| @Override |
| protected boolean isURIListFormat(long format) { |
| String nat = getNativeForFormat(format); |
| if (nat == null) { |
| return false; |
| } |
| try { |
| DataFlavor df = new DataFlavor(nat); |
| if (isUriListFlavor(df)) { |
| return true; |
| } |
| } catch (Exception e) { |
| // Not a MIME format. |
| } |
| return false; |
| } |
| |
| private boolean isUriListFlavor(DataFlavor df) { |
| if (df.getPrimaryType().equals("text") && df.getSubType().equals("uri-list")) { |
| return true; |
| } |
| return false; |
| } |
| } |
| |
| |