| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you under the Apache License, |
| * Version 2.0 (the "License"); you may not use this file except in |
| * compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.pivot.scene.data; |
| |
| import java.awt.datatransfer.DataFlavor; |
| import java.awt.datatransfer.Transferable; |
| import java.awt.datatransfer.UnsupportedFlavorException; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.LineNumberReader; |
| import java.io.StringReader; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.pivot.scene.media.Image; |
| |
| /** |
| * Manifest class that acts as a proxy to remote clipboard or drag/drop data. |
| * <p> |
| * TODO How to make this platform-independent? |
| */ |
| public class RemoteManifest implements Manifest { |
| private Transferable transferable; |
| |
| private DataFlavor textDataFlavor = null; |
| private DataFlavor imageDataFlavor = null; |
| private DataFlavor fileListDataFlavor = null; |
| private DataFlavor uriListDataFlavor = null; |
| |
| private static final String URI_LIST_MIME_TYPE = "text/uri-list"; |
| private static final String FILE_URI_SCHEME = "file"; |
| |
| RemoteManifest(Transferable transferable) { |
| assert(transferable != null); |
| this.transferable = transferable; |
| |
| DataFlavor[] transferDataFlavors = transferable.getTransferDataFlavors(); |
| if (transferDataFlavors != null) { |
| for (int i = 0, n = transferDataFlavors.length; i < n; i++) { |
| DataFlavor dataFlavor = transferDataFlavors[i]; |
| |
| if (dataFlavor.equals(DataFlavor.stringFlavor)) { |
| textDataFlavor = dataFlavor; |
| } else if (dataFlavor.equals(DataFlavor.imageFlavor)) { |
| imageDataFlavor = dataFlavor; |
| } else if (dataFlavor.equals(DataFlavor.javaFileListFlavor)) { |
| fileListDataFlavor = dataFlavor; |
| } else if (dataFlavor.getMimeType().startsWith(URI_LIST_MIME_TYPE) |
| && dataFlavor.getRepresentationClass() == String.class) { |
| uriListDataFlavor = dataFlavor; |
| } |
| } |
| } |
| } |
| |
| @Override |
| public String getText() throws IOException { |
| String text = null; |
| try { |
| text = (String)transferable.getTransferData(textDataFlavor); |
| } catch (UnsupportedFlavorException exception) { |
| // No-op |
| } |
| |
| return text; |
| } |
| |
| @Override |
| public boolean containsText() { |
| return (textDataFlavor != null); |
| } |
| |
| @Override |
| public Image getImage() throws IOException { |
| Image image = null; |
| |
| // TODO |
| /* |
| try { |
| image = new Image((BufferedImage)transferable.getTransferData(imageDataFlavor)); |
| } catch (UnsupportedFlavorException exception) { |
| // No-op |
| } |
| */ |
| |
| return image; |
| } |
| |
| @Override |
| public boolean containsImage() { |
| return (imageDataFlavor != null); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public List<File> getFileList() throws IOException { |
| List<File> fileList = null; |
| |
| try { |
| if (fileListDataFlavor != null) { |
| fileList = (java.util.List<File>)transferable.getTransferData(fileListDataFlavor); |
| } else if (uriListDataFlavor != null) { |
| fileList = new ArrayList<File>(); |
| |
| String uriList = (String)transferable.getTransferData(uriListDataFlavor); |
| LineNumberReader reader = new LineNumberReader(new StringReader(uriList)); |
| |
| try { |
| String line = reader.readLine(); |
| while (line != null) { |
| URI uri = new URI(line); |
| String scheme = uri.getScheme(); |
| |
| if (scheme != null |
| && scheme.equalsIgnoreCase(FILE_URI_SCHEME)) { |
| File file = new File(uri); |
| fileList.add(file); |
| } |
| |
| line = reader.readLine(); |
| } |
| } catch (URISyntaxException exception) { |
| // No-op |
| } |
| } |
| } catch (UnsupportedFlavorException exception) { |
| // No-op |
| } |
| |
| return fileList; |
| } |
| |
| @Override |
| public boolean containsFileList() { |
| return (fileListDataFlavor != null || uriListDataFlavor != null); |
| } |
| } |