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 package com.oracle.javafx.scenebuilder.kit.fxom; 33 34 import java.util.Collections; 35 import java.util.Enumeration; 36 import java.util.Iterator; 37 import java.util.MissingResourceException; 38 import java.util.ResourceBundle; 39 import javafx.fxml.FXMLLoader; 40 41 /** 42 * 43 * 44 */ 45 class ResourceKeyCollector extends ResourceBundle { 46 47 private final ResourceBundle backingResources; 48 49 public ResourceKeyCollector(ResourceBundle backingResources) { 50 this.backingResources = backingResources; 51 } 52 53 /* 54 * ResourceBundle 55 */ 56 57 @Override 58 protected Object handleGetObject(String key) { 59 Object result; 60 61 if (backingResources != null) { 62 try { 63 result = backingResources.getObject(key); 64 } catch(MissingResourceException x) { 65 result = null; 66 } 67 } else { 68 result = null; 69 } 70 if (result == null) { 71 result = FXMLLoader.RESOURCE_KEY_PREFIX + key; 72 } 73 74 return result; 75 } 76 77 @Override 78 public Enumeration<String> getKeys() { 79 return new EnumerationFromIterator<>(Collections.emptyListIterator()); 80 } 81 82 @Override 83 public boolean containsKey(String key) { 84 return true; 85 } 86 87 88 private static class EnumerationFromIterator<T> implements Enumeration<T> { 89 90 private final Iterator<T> iterator; 91 92 public EnumerationFromIterator(Iterator<T> iterator) { 93 this.iterator = iterator; 94 } 95 96 @Override 97 public boolean hasMoreElements() { 98 return iterator.hasNext(); 99 } 100 101 @Override 102 public T nextElement() { 103 return iterator.next(); 104 } 105 106 } 107 }