1 | // null = online, Throwable = offline |
2 | public static Throwable checkIfHttpServerIsOnline(String serverName) {
|
3 | try {
|
4 | String url = serverName.startsWith("http") ? serverName : "http://" + serverName + "/";
|
5 | //HttpURLConnection.setFollowRedirects(false); |
6 | // note : you may also need |
7 | // HttpURLConnection.setInstanceFollowRedirects(false) |
8 | HttpURLConnection con = |
9 | (HttpURLConnection) new URL(url).openConnection(); |
10 | con.setRequestMethod("HEAD");
|
11 | int responseCode = con.getResponseCode(); |
12 | //print("Response code for " + url + ": " + responseCode);
|
13 | // If we came this far, assume server is online. |
14 | return null; |
15 | //return (con.getResponseCode() == HttpURLConnection.HTTP_OK); |
16 | } |
17 | catch (Exception e) {
|
18 | return e; |
19 | } |
20 | } |
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| Snippet ID: | #1001114 |
| Snippet name: | checkIfHttpServerIsOnline |
| Eternal ID of this version: | #1001114/1 |
| Text MD5: | d4fd9e46fdbd0440578dedf0f9d31c07 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2015-09-22 18:04:28 |
| Source code size: | 833 bytes / 20 lines |
| Pitched / IR pitched: | No / Yes |
| Views / Downloads: | 634 / 846 |
| Referenced in: | [show references] |