1 /*
2 * DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
3 * Copyright (C) 2010 Mickael Guessant
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 */
19 package davmail.exchange;
20
21 /**
22 * VCard Writer
23 */
24 public class VCardWriter extends ICSBufferedWriter {
25 /**
26 * Begin VCard and version
27 */
28 public void startCard() {
29 startCard(null);
30 }
31
32 /**
33 * Begin VCard and version
34 */
35 public void startCard(String version) {
36 writeLine("BEGIN:VCARD");
37 writeLine("VERSION:"+((version == null)?"4.0":version));
38 }
39
40 /**
41 * Append compound value
42 *
43 * @param propertyName property name
44 * @param propertyValue property values
45 */
46 public void appendProperty(String propertyName, String... propertyValue) {
47 boolean hasValue = false;
48 for (String value : propertyValue) {
49 if ((value != null) && (value.length() > 0)) {
50 hasValue = true;
51 break;
52 }
53 }
54 if (hasValue) {
55 boolean first = true;
56 StringBuilder lineBuffer = new StringBuilder();
57 lineBuffer.append(propertyName);
58 lineBuffer.append(':');
59 for (String value : propertyValue) {
60 if (first) {
61 first = false;
62 } else {
63 lineBuffer.append(';');
64 }
65 appendEncodedValue(lineBuffer, value);
66 }
67 writeLine(lineBuffer.toString());
68 }
69 }
70
71 /**
72 * Encode and append value to buffer
73 *
74 * @param buffer current buffer
75 * @param value property value
76 */
77 private void appendEncodedValue(StringBuilder buffer, String value) {
78 if (value != null) {
79 for (int i = 0; i < value.length(); i++) {
80 char c = value.charAt(i);
81 if (c == ',' || c == ';') {
82 buffer.append('\\');
83 }
84 if (c == '\n') {
85 buffer.append("\\n");
86 } else if (c != '\r') {
87 buffer.append(value.charAt(i));
88 }
89 }
90 }
91 }
92
93 /**
94 * End VCard
95 */
96 public void endCard() {
97 writeLine("END:VCARD");
98 }
99 }