1 /*
2  * Copyright (C) 2011 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.parser;
17 
18 import com.android.loganalysis.item.SystemPropsItem;
19 import com.android.loganalysis.util.ArrayUtil;
20 
21 import java.util.List;
22 import java.util.regex.Matcher;
23 import java.util.regex.Pattern;
24 
25 /**
26  * A {@link IParser} to handle the output from {@code getprop}.
27  */
28 public class SystemPropsParser implements IParser {
29     /** Match a single property line, such as "[gsm.sim.operator.numeric]: []" */
30     private static final Pattern PROP_LINE = Pattern.compile("^\\[(.*)\\]: \\[(.*)\\]$");
31 
32     /**
33      * {@inheritDoc}
34      *
35      * @return The {@link SystemPropsItem}.
36      */
37     @Override
parse(List<String> lines)38     public SystemPropsItem parse(List<String> lines) {
39         final String text = ArrayUtil.join("\n", lines).trim();
40         if ("".equals(text)) {
41             return null;
42         }
43 
44         SystemPropsItem item = new SystemPropsItem();
45         item.setText(text);
46 
47         for (String line : lines) {
48             Matcher m = PROP_LINE.matcher(line);
49             if (m.matches()) {
50                 item.put(m.group(1), m.group(2));
51             }
52         }
53         return item;
54     }
55 }
56 
57