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