1 /*
2 * XNap - A P2P framework and client.
3 *
4 * See the file AUTHORS for copyright information.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 package org.xnap.pkg;
21
22 import java.io.BufferedReader;
23 import java.io.IOException;
24 import java.util.Properties;
25
26 /***
27 *
28 */
29 public class PackageInfoReader
30 {
31
32 //--- Constant(s) ---
33
34 //--- Data field(s) ---
35
36 //--- Constructor(s) ---
37
38 //--- Method(s) ---
39
40 public static Properties readNext(BufferedReader in) throws IOException
41 {
42 Properties p = new Properties();
43 String key = null;
44 String value = null;
45
46 String s;
47 while ((s = in.readLine()) != null) {
48 if (s.startsWith("#")) {
49 continue;
50 }
51 else if (s.length() == 0 || s.startsWith(" ")) {
52 s = s.trim();
53 if (s.length() == 0) {
54 if (p.size() > 0) {
55 // new package
56 break;
57 }
58 }
59 else if (s.equals(".")) {
60 value += "\n";
61 }
62 else {
63 value += " " + s;
64 }
65 }
66 else {
67 if (key != null && value != null) {
68 // save key and value
69 p.setProperty(key, value);
70 }
71
72 // new key value pair
73 key = value = null;
74 int i = s.indexOf(':');
75 if (i > 0) {
76 key = s.substring(0, i);
77 value = s.substring(i + 1).trim();
78 }
79 else {
80 // malformed line
81 }
82 }
83 }
84
85 if (key != null && value != null) {
86 // save key and value
87 p.setProperty(key, value);
88 }
89
90 return (p.size() > 0) ? p : null;
91 }
92
93 }
94