1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.newsreader; 18 19 /** 20 * Source of strange and wonderful news. 21 * 22 * This singleton functions as the repository for the news we display. 23 */ 24 public class NewsSource { 25 // the instance 26 static NewsSource instance = null; 27 28 // the category names 29 final String[] CATEGORIES = { "Top Stories", "US", "Politics", "Economy" }; 30 31 // category objects, representing each category 32 NewsCategory[] mCategory; 33 34 /** Returns the singleton instance of this class. */ 35 public static NewsSource getInstance() { 36 if (instance == null) { 37 instance = new NewsSource(); 38 } 39 return instance; 40 } 41 42 public NewsSource() { 43 int i; 44 mCategory = new NewsCategory[CATEGORIES.length]; 45 for (i = 0; i < CATEGORIES.length; i++) { 46 mCategory[i] = new NewsCategory(); 47 } 48 } 49 50 /** Returns the list of news categories. */ 51 public String[] getCategories() { 52 return CATEGORIES; 53 } 54 55 /** Returns a category by index. */ 56 public NewsCategory getCategory(int categoryIndex) { 57 return mCategory[categoryIndex]; 58 } 59 } 60
