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 17package android.bordeaux.services; 18 19 20import android.bordeaux.services.StringString; 21import android.content.Context; 22import android.util.Log; 23import java.util.HashMap; 24import java.util.Map; 25import java.util.ArrayList; 26 27class AggregatorManager extends IAggregatorManager.Stub { 28 private final String TAG = "AggregatorMnager"; 29 private static HashMap<String, Aggregator> sFeatureMap; 30 private static AggregatorManager mManager = null; 31 32 private AggregatorManager() { 33 sFeatureMap = new HashMap<String, Aggregator>(); 34 } 35 36 public static AggregatorManager getInstance() { 37 if (mManager == null ) 38 mManager = new AggregatorManager(); 39 return mManager; 40 } 41 42 public String[] getListOfFeatures() { 43 String[] s = new String[sFeatureMap.size()]; 44 int i = 0; 45 for (Map.Entry<String, Aggregator> x : sFeatureMap.entrySet()) { 46 s[i] = x.getKey(); 47 i++; 48 } 49 return s; 50 } 51 52 public void registerAggregator(Aggregator agg, AggregatorManager m) { 53 agg.setManager(m); 54 String[] fl = agg.getListOfFeatures(); 55 for ( int i = 0; i< fl.length; i ++) 56 sFeatureMap.put(fl[i], agg); 57 } 58 59 public ArrayList<StringString> getData(String dataName) { 60 return getList(getDataMap(dataName)); 61 } 62 63 public Map<String, String> getDataMap(String dataName) { 64 if (sFeatureMap.get(dataName) != null) 65 return sFeatureMap.get(dataName).getFeatureValue(dataName); 66 else 67 Log.e(TAG, "There is no feature called " + dataName); 68 return null; 69 } 70 71 private ArrayList<StringString> getList(final Map<String, String> sample) { 72 ArrayList<StringString> StringString_sample = new ArrayList<StringString>(); 73 for (Map.Entry<String, String> x : sample.entrySet()) { 74 StringString v = new StringString(); 75 v.key = x.getKey(); 76 v.value = x.getValue(); 77 StringString_sample.add(v); 78 } 79 return StringString_sample; 80 } 81} 82