1 /* 2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. 3 * All rights reserved. Use is subject to license terms. 4 * 5 * This file is available and licensed under the following license: 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * - Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the distribution. 16 * - Neither the name of Oracle Corporation nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 package com.oracle.javafx.scenebuilder.kit.metadata.util; 34 35 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMArchive; 36 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMDocument; 37 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMNodes; 38 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMObject; 39 import java.io.File; 40 import java.io.IOException; 41 import java.net.URL; 42 import java.util.ArrayList; 43 import java.util.Arrays; 44 import java.util.Collections; 45 import java.util.List; 46 import java.util.ResourceBundle; 47 import javafx.scene.input.Clipboard; 48 49 /** 50 * 51 */ 52 public class ClipboardDecoder { 53 54 final Clipboard clipboard; 55 56 public ClipboardDecoder(Clipboard clipboard) { 57 this.clipboard = clipboard; 58 } 59 60 public List<FXOMObject> decode(FXOMDocument targetDocument) { 61 assert targetDocument != null; 62 63 List<FXOMObject> result = null; 64 65 // SB_DATA_FORMAT 66 if (clipboard.hasContent(ClipboardEncoder.SB_DATA_FORMAT)) { 67 final Object content = clipboard.getContent(ClipboardEncoder.SB_DATA_FORMAT); 68 if (content instanceof FXOMArchive) { 69 final FXOMArchive archive = (FXOMArchive) content; 70 try { 71 result = archive.decode(targetDocument); 72 } catch(IOException x) { 73 result = null; 74 } 75 } 76 } 77 78 // FXML_DATA_FORMAT 79 if ((result == null) 80 && clipboard.hasContent(ClipboardEncoder.FXML_DATA_FORMAT)) { 81 final Object content = clipboard.getContent(ClipboardEncoder.FXML_DATA_FORMAT); 82 if (content instanceof String) { 83 final String fxmlText = (String) content; 84 try { 85 final URL location = targetDocument.getLocation(); 86 final ClassLoader classLoader = targetDocument.getClassLoader(); 87 final ResourceBundle resources = targetDocument.getResources(); 88 final FXOMDocument transientDoc 89 = new FXOMDocument(fxmlText, location, classLoader, resources); 90 result = Arrays.asList(transientDoc.getFxomRoot()); 91 } catch(IOException x) { 92 result = null; 93 } 94 } 95 } 96 97 // DataFormat.FILES 98 if ((result == null) && clipboard.hasFiles()) { 99 result = new ArrayList<>(); 100 for (File file : clipboard.getFiles()) { 101 try { 102 final FXOMObject newObject 103 = FXOMNodes.newObject(targetDocument, file); 104 // newObject is null when file is empty 105 if (newObject != null) { 106 result.add(newObject); 107 } 108 } catch (IOException x) { 109 // Then we silently ignore this file 110 } 111 } 112 } 113 114 // If nothing is exploitable, we return a list. 115 if (result == null) { 116 result = Collections.emptyList(); 117 } 118 119 return result; 120 } 121 }