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1 /*
2  * Copyright (C) 2015 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 package com.android.loganalysis.rule;
17 
18 import com.android.loganalysis.item.BugreportItem;
19 
20 import org.json.JSONArray;
21 
22 import java.util.Collection;
23 import java.util.LinkedList;
24 
25 
26 /**
27  * Applies rules to the parsed bugreport
28  */
29 public class RuleEngine {
30 
31     public enum RuleType{
32         ALL, POWER;
33     }
34 
35     BugreportItem mBugreportItem;
36     private Collection<IRule> mRulesList;
37 
RuleEngine(BugreportItem bugreportItem)38     public RuleEngine(BugreportItem bugreportItem) {
39         mBugreportItem = bugreportItem;
40         mRulesList = new LinkedList<IRule>();
41     }
42 
registerRules(RuleType ruleType)43     public void registerRules(RuleType ruleType) {
44         if (ruleType == RuleType.ALL) {
45             // add all rules
46             addPowerRules();
47         } else if (ruleType == RuleType.POWER) {
48             addPowerRules();
49         }
50     }
51 
executeRules()52     public void executeRules() {
53         for (IRule rule : mRulesList) {
54             rule.applyRule();
55         }
56     }
57 
getAnalysis()58     public JSONArray getAnalysis() {
59         JSONArray result = new JSONArray();
60         for (IRule rule : mRulesList) {
61             result.put(rule.getAnalysis());
62         }
63         return result;
64     }
65 
addPowerRules()66     private void addPowerRules() {
67         mRulesList.add(new WakelockRule(mBugreportItem));
68         mRulesList.add(new ProcessUsageRule(mBugreportItem));
69         mRulesList.add(new LocationUsageRule(mBugreportItem));
70         mRulesList.add(new WifiStatsRule(mBugreportItem));
71         mRulesList.add(new InterruptRule(mBugreportItem));
72     }
73 }
74