1 /* 2 * Copyright (C) 2012 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.lifecycle.util; 18 19 import java.util.*; 20 21 public class StatusTracker { 22 private Map<String, String> mStatusMap; 23 private List<String> mMethodList; 24 private static StatusTracker ourInstance = new StatusTracker(); 25 private static final String STATUS_SUFFIX = "ed"; 26 getInstance()27 public static StatusTracker getInstance() { 28 return ourInstance; 29 } 30 StatusTracker()31 private StatusTracker() { 32 mStatusMap = new LinkedHashMap<String, String>(); 33 mMethodList = new ArrayList<String>(); 34 } 35 getMethodList()36 public List<String> getMethodList() { 37 return mMethodList; 38 } 39 clear()40 public void clear() { 41 mMethodList.clear(); 42 mStatusMap.clear(); 43 } 44 45 /** 46 * Adds the status value for the given activityName into the Map. 47 * 48 * @param activityName 49 * @param status 50 */ setStatus(String activityName, String status)51 public void setStatus(String activityName, String status) { 52 mMethodList.add(activityName + "." + status + "()"); 53 if (mStatusMap.containsKey(activityName)) mStatusMap.remove(activityName); 54 mStatusMap.put(activityName, status); 55 } 56 57 /** 58 * Gets the status value for the given activityName. 59 * 60 * @param activityName 61 * @return 62 */ getStatus(String activityName)63 public String getStatus(String activityName) { 64 String status = mStatusMap.get(activityName); 65 status = status.substring(2, status.length()); 66 67 // String manipulation to ensure the status value is spelled correctly. 68 if (status.endsWith("e")) { 69 status = status.substring(0, status.length() - 1); 70 } 71 if (status.endsWith("p")) { 72 status = status + "p"; 73 } 74 status = status + STATUS_SUFFIX; 75 return status; 76 } 77 keySet()78 public Set<String> keySet() { 79 return mStatusMap.keySet(); 80 } 81 } 82