1 /*
2  * Copyright (C) 2006 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 
17 package com.android.internal.telephony.uicc;
18 
19 import android.compat.annotation.UnsupportedAppUsage;
20 import android.os.Build;
21 import android.os.Environment;
22 import android.util.Xml;
23 
24 import com.android.internal.telephony.util.XmlUtils;
25 import com.android.telephony.Rlog;
26 
27 import org.xmlpull.v1.XmlPullParser;
28 import org.xmlpull.v1.XmlPullParserException;
29 
30 import java.io.File;
31 import java.io.FileNotFoundException;
32 import java.io.FileReader;
33 import java.io.IOException;
34 import java.util.HashMap;
35 
36 /**
37  * {@hide}
38  */
39 class VoiceMailConstants {
40     private HashMap<String, String[]> CarrierVmMap;
41 
42 
43     static final String LOG_TAG = "VoiceMailConstants";
44     static final String PARTNER_VOICEMAIL_PATH ="etc/voicemail-conf.xml";
45 
46     static final int NAME = 0;
47     static final int NUMBER = 1;
48     static final int TAG = 2;
49     static final int SIZE = 3;
50 
51     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
VoiceMailConstants()52     VoiceMailConstants () {
53         CarrierVmMap = new HashMap<String, String[]>();
54         loadVoiceMail();
55     }
56 
containsCarrier(String carrier)57     boolean containsCarrier(String carrier) {
58         return CarrierVmMap.containsKey(carrier);
59     }
60 
getCarrierName(String carrier)61     String getCarrierName(String carrier) {
62         String[] data = CarrierVmMap.get(carrier);
63         return data[NAME];
64     }
65 
getVoiceMailNumber(String carrier)66     String getVoiceMailNumber(String carrier) {
67         String[] data = CarrierVmMap.get(carrier);
68         return data[NUMBER];
69     }
70 
getVoiceMailTag(String carrier)71     String getVoiceMailTag(String carrier) {
72         String[] data = CarrierVmMap.get(carrier);
73         return data[TAG];
74     }
75 
loadVoiceMail()76     private void loadVoiceMail() {
77         FileReader vmReader;
78 
79         final File vmFile = new File(Environment.getRootDirectory(),
80                 PARTNER_VOICEMAIL_PATH);
81 
82         try {
83             vmReader = new FileReader(vmFile);
84         } catch (FileNotFoundException e) {
85             Rlog.w(LOG_TAG, "Can't open " +
86                     Environment.getRootDirectory() + "/" + PARTNER_VOICEMAIL_PATH);
87             return;
88         }
89 
90         try {
91             XmlPullParser parser = Xml.newPullParser();
92             parser.setInput(vmReader);
93 
94             XmlUtils.beginDocument(parser, "voicemail");
95 
96             while (true) {
97                 XmlUtils.nextElement(parser);
98 
99                 String name = parser.getName();
100                 if (!"voicemail".equals(name)) {
101                     break;
102                 }
103 
104                 String[] data = new String[SIZE];
105                 String numeric = parser.getAttributeValue(null, "numeric");
106                 data[NAME]     = parser.getAttributeValue(null, "carrier");
107                 data[NUMBER]   = parser.getAttributeValue(null, "vmnumber");
108                 data[TAG]      = parser.getAttributeValue(null, "vmtag");
109 
110                 CarrierVmMap.put(numeric, data);
111             }
112         } catch (XmlPullParserException e) {
113             Rlog.w(LOG_TAG, "Exception in Voicemail parser " + e);
114         } catch (IOException e) {
115             Rlog.w(LOG_TAG, "Exception in Voicemail parser " + e);
116         } finally {
117             try {
118                 if (vmReader != null) {
119                     vmReader.close();
120                 }
121             } catch (IOException e) {}
122         }
123     }
124 }
125