blob: ec8d833a63a2b524e77fbcd3733ea5daa6fc406b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
package lombok.website;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class FetchCurrentVersion {
private FetchCurrentVersion() {}
private static final Pattern VERSION_PATTERN = Pattern.compile("^.*<\\s*span\\s+id\\s*=\\s*[\"'](currentVersion|currentVersionFull)[\"'](?:\\s+style\\s*=\\s*[\"']display\\s*:\\s*none;?[\"'])?\\s*>\\s*([^\t<]+)\\s*<\\s*/\\s*span\\s*>.*$");
public static void main(String[] args) throws IOException {
System.out.print(fetchVersionFromSite(args.length < 2 || args[1].equals("full"), new Domain(args.length < 1 ? "" : args[0])));
}
public static String fetchVersionFromSite(boolean fetchFull, Domain domain) throws IOException {
InputStream in = domain.url("download").openStream();
try {
BufferedReader br = new BufferedReader(new InputStreamReader(in, "UTF-8"));
try {
for (String line = br.readLine(); line != null; line = br.readLine()) {
Matcher m = VERSION_PATTERN.matcher(line);
if (m.matches() && m.group(1).equals("currentVersionFull") == fetchFull) return m.group(2).replace(""", "\"");
}
throw new IOException("Expected a span with id 'currentVersion'");
} finally {
br.close();
}
} finally {
in.close();
}
}
}
|
