FeatureAssembly.java revision 7b5b77b038b846e8e2d3aaf0d94c206723a83ccf 
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
19import android.os.IBinder;
20import android.util.Log;
21import java.util.HashMap;
22import java.util.Map;
23import java.util.List;
24import java.util.Arrays;
25import java.util.HashSet;
26import java.util.Set;
27import java.util.Iterator;
28import android.bordeaux.services.AggregatorManager;
29import android.bordeaux.services.Aggregator;
30import java.io.Serializable;
31
32public class FeatureAssembly {
33    private static final String TAG = "FeatureAssembly";
34    private List<String> mPossibleFeatures;
35    private HashSet<String> mUseFeatures;
36    private AggregatorManager mAggregatorManager;
37
38    public FeatureAssembly() {
39        mAggregatorManager = AggregatorManager.getInstance();
40        mPossibleFeatures = Arrays.asList(mAggregatorManager.getListOfFeatures());
41        mUseFeatures = new HashSet<String>();
42    }
43
44    public boolean registerFeature(String s) {
45        boolean res = mPossibleFeatures.contains(s);
46        if (res){
47            if (!mUseFeatures.contains(s))
48                mUseFeatures.add(s);
49        }
50        return res;
51    }
52
53    public Set<String> getUsedFeatures() {
54        return (Set) mUseFeatures;
55    }
56
57    public String augmentFeatureInputString(String s) {
58        String fs = s;
59        Iterator itr = mUseFeatures.iterator();
60        while(itr.hasNext()) {
61            String f = (String) itr.next();
62            fs = fs + "+" + mAggregatorManager.getDataMap(f).get(f);
63        }
64        return fs;
65    }
66}
67