1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * this work for additional information regarding copyright ownership. 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * (the "License"); you may not use this file except in compliance with 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the License. You may obtain a copy of the License at 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage java.util; 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.io.IOException; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.io.InputStream; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * {@code PropertyResourceBundle} loads resources from an {@code InputStream}. All resources are 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Strings. The resources must be of the form {@code key=value}, one 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * resource per line (see Properties). 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @see ResourceBundle 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @see Properties 303819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * @since 1.1 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic class PropertyResourceBundle extends ResourceBundle { 333819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Properties resources; 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Constructs a new instance of {@code PropertyResourceBundle} and loads the 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * properties file from the specified {@code InputStream}. 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param stream 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the {@code InputStream}. 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @throws IOException 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * if an error occurs during a read operation on the 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * {@code InputStream}. 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public PropertyResourceBundle(InputStream stream) throws IOException { 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project resources = new Properties(); 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project resources.load(stream); 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 503819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @SuppressWarnings("unchecked") 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private Enumeration<String> getLocalKeys() { 533819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson return (Enumeration<String>) resources.propertyNames(); 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 563819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson /** 573819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * Returns the names of the resources contained in this 583819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * PropertyResourceBundle. 593819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * 603819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * @return an Enumeration of the resource names 613819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson */ 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Enumeration<String> getKeys() { 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (parent == null) { 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return getLocalKeys(); 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return new Enumeration<String>() { 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Enumeration<String> local = getLocalKeys(); 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Enumeration<String> pEnum = parent.getKeys(); 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project String nextElement; 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private boolean findNext() { 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (nextElement != null) { 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return true; 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project while (pEnum.hasMoreElements()) { 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project String next = pEnum.nextElement(); 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!resources.containsKey(next)) { 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project nextElement = next; 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return true; 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return false; 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean hasMoreElements() { 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (local.hasMoreElements()) { 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return true; 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return findNext(); 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public String nextElement() { 96f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (local.hasMoreElements()) { 97f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return local.nextElement(); 98f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 99f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (findNext()) { 100f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project String result = nextElement; 101f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project nextElement = null; 102f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return result; 103f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 104f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // Cause an exception 105f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return pEnum.nextElement(); 106f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 107f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project }; 108f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 109f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 1103819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson /** 1113819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * Returns the named resource from this PropertyResourceBundle, or null if 1123819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * the resource is not found. 1133819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * 1143819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * @param key 1153819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * the name of the resource 1163819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * @return the resource object 1173819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson */ 118f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 119f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Object handleGetObject(String key) { 120f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return resources.get(key); 121f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 122f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 123