1 /*
2  * Copyright (C) 2014 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.bluetooth.mapclient;
18 
19 import com.android.vcard.VCardEntry;
20 import com.android.vcard.VCardEntry.EmailData;
21 import com.android.vcard.VCardEntry.NameData;
22 import com.android.vcard.VCardEntry.PhoneData;
23 
24 import java.util.List;
25 /* BMessage as defined by MAP_SPEC_V101 Section 3.1.3 Message format (x-bt/message) */
26 class BmessageBuilder {
27     private final static String CRLF = "\r\n";
28     private final static String BMSG_BEGIN = "BEGIN:BMSG";
29     private final static String BMSG_VERSION = "VERSION:1.0";
30     private final static String BMSG_STATUS = "STATUS:";
31     private final static String BMSG_TYPE = "TYPE:";
32     private final static String BMSG_FOLDER = "FOLDER:";
33     private final static String BMSG_END = "END:BMSG";
34 
35     private final static String BENV_BEGIN = "BEGIN:BENV";
36     private final static String BENV_END = "END:BENV";
37 
38     private final static String BBODY_BEGIN = "BEGIN:BBODY";
39     private final static String BBODY_ENCODING = "ENCODING:";
40     private final static String BBODY_CHARSET = "CHARSET:";
41     private final static String BBODY_LANGUAGE = "LANGUAGE:";
42     private final static String BBODY_LENGTH = "LENGTH:";
43     private final static String BBODY_END = "END:BBODY";
44 
45     private final static String MSG_BEGIN = "BEGIN:MSG";
46     private final static String MSG_END = "END:MSG";
47 
48     private final static String VCARD_BEGIN = "BEGIN:VCARD";
49     private final static String VCARD_VERSION = "VERSION:2.1";
50     private final static String VCARD_N = "N:";
51     private final static String VCARD_EMAIL = "EMAIL:";
52     private final static String VCARD_TEL = "TEL:";
53     private final static String VCARD_END = "END:VCARD";
54 
55     private final StringBuilder mBmsg;
56 
BmessageBuilder()57     private BmessageBuilder() {
58         mBmsg = new StringBuilder();
59     }
60 
createBmessage(Bmessage bmsg)61     static public String createBmessage(Bmessage bmsg) {
62         BmessageBuilder b = new BmessageBuilder();
63 
64         b.build(bmsg);
65 
66         return b.mBmsg.toString();
67     }
68 
build(Bmessage bmsg)69     private void build(Bmessage bmsg) {
70         int bodyLen = MSG_BEGIN.length() + MSG_END.length() + 3 * CRLF.length()
71                 + bmsg.mMessage.getBytes().length;
72 
73         mBmsg.append(BMSG_BEGIN).append(CRLF);
74 
75         mBmsg.append(BMSG_VERSION).append(CRLF);
76         mBmsg.append(BMSG_STATUS).append(bmsg.mBmsgStatus).append(CRLF);
77         mBmsg.append(BMSG_TYPE).append(bmsg.mBmsgType).append(CRLF);
78         mBmsg.append(BMSG_FOLDER).append(bmsg.mBmsgFolder).append(CRLF);
79 
80         for (VCardEntry vcard : bmsg.mOriginators) {
81             buildVcard(vcard);
82         }
83 
84         {
85             mBmsg.append(BENV_BEGIN).append(CRLF);
86 
87             for (VCardEntry vcard : bmsg.mRecipients) {
88                 buildVcard(vcard);
89             }
90 
91             {
92                 mBmsg.append(BBODY_BEGIN).append(CRLF);
93 
94                 if (bmsg.mBbodyEncoding != null) {
95                     mBmsg.append(BBODY_ENCODING).append(bmsg.mBbodyEncoding).append(CRLF);
96                 }
97 
98                 if (bmsg.mBbodyCharset != null) {
99                     mBmsg.append(BBODY_CHARSET).append(bmsg.mBbodyCharset).append(CRLF);
100                 }
101 
102                 if (bmsg.mBbodyLanguage != null) {
103                     mBmsg.append(BBODY_LANGUAGE).append(bmsg.mBbodyLanguage).append(CRLF);
104                 }
105 
106                 mBmsg.append(BBODY_LENGTH).append(bodyLen).append(CRLF);
107 
108                 {
109                     mBmsg.append(MSG_BEGIN).append(CRLF);
110 
111                     mBmsg.append(bmsg.mMessage).append(CRLF);
112 
113                     mBmsg.append(MSG_END).append(CRLF);
114                 }
115 
116                 mBmsg.append(BBODY_END).append(CRLF);
117             }
118 
119             mBmsg.append(BENV_END).append(CRLF);
120         }
121 
122         mBmsg.append(BMSG_END).append(CRLF);
123     }
124 
buildVcard(VCardEntry vcard)125     private void buildVcard(VCardEntry vcard) {
126         String n = buildVcardN(vcard);
127         List<PhoneData> tel = vcard.getPhoneList();
128         List<EmailData> email = vcard.getEmailList();
129 
130         mBmsg.append(VCARD_BEGIN).append(CRLF);
131 
132         mBmsg.append(VCARD_VERSION).append(CRLF);
133 
134         mBmsg.append(VCARD_N).append(n).append(CRLF);
135 
136         if (tel != null && tel.size() > 0) {
137             mBmsg.append(VCARD_TEL).append(tel.get(0).getNumber()).append(CRLF);
138         }
139 
140         if (email != null && email.size() > 0) {
141             mBmsg.append(VCARD_EMAIL).append(email.get(0).getAddress()).append(CRLF);
142         }
143 
144         mBmsg.append(VCARD_END).append(CRLF);
145     }
146 
buildVcardN(VCardEntry vcard)147     private String buildVcardN(VCardEntry vcard) {
148         NameData nd = vcard.getNameData();
149         StringBuilder sb = new StringBuilder();
150 
151         sb.append(nd.getFamily()).append(";");
152         sb.append(nd.getGiven() == null ? "" : nd.getGiven()).append(";");
153         sb.append(nd.getMiddle() == null ? "" : nd.getMiddle()).append(";");
154         sb.append(nd.getPrefix() == null ? "" : nd.getPrefix()).append(";");
155         sb.append(nd.getSuffix() == null ? "" : nd.getSuffix());
156 
157         return sb.toString();
158     }
159 }
160