1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.javafx.fxml.builder; 27 28 import java.net.MalformedURLException; 29 import java.net.URL; 30 import java.util.AbstractMap; 31 import java.util.Map; 32 import java.util.Set; 33 import javafx.util.Builder; 34 35 /** 36 * Builder for constructing URL instances. 37 */ 38 public class URLBuilder extends AbstractMap<String, Object> implements Builder<URL> { 39 private ClassLoader classLoader; 40 41 private Object value = null; 42 43 public static final String VALUE_KEY = "value"; 44 45 public URLBuilder(ClassLoader classLoader) { 46 this.classLoader = classLoader; 47 } 48 49 @Override 50 public Object put(String key, Object value) { 51 if (key == null) { 52 throw new NullPointerException(); 53 } 54 55 if (key.equals(VALUE_KEY)) { 56 this.value = value; 57 } else { 58 throw new IllegalArgumentException(key + " is not a valid property."); 59 } 60 61 return null; 62 } 63 64 @Override 65 public URL build() { 66 if (value == null) { 67 throw new IllegalStateException(); 68 } 69 70 URL url; 71 if (value instanceof URL) { 72 url = (URL)value; 73 } else { 74 String spec = value.toString(); 75 76 if (spec.startsWith("/")) { 77 url = classLoader.getResource(spec); 78 } else { 79 try { 80 url = new URL(spec); 81 } catch (MalformedURLException exception) { 82 throw new RuntimeException(exception); 83 } 84 } 85 } 86 87 return url; 88 } 89 90 @Override 91 public Set<Map.Entry<String, Object>> entrySet() { 92 throw new UnsupportedOperationException(); 93 } 94 }