getURLSizeByHEAD [1002941]

< > BotCompany Repo | #1002941 // getURLSizeByHEAD

JavaX fragment (include)

// retrieves url with HEAD. returns content length,
// or -1 in case of error.
static long getURLSizeByHEAD(String url) {
  url = absoluteURL(url);
  HttpURLConnection conn = null;
  InputStream in = null;
  try {
    conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestMethod("HEAD");
    conn.setRequestProperty("X-No-Cookies", "1");
    in = conn.getInputStream();
    return conn.getContentLength();
  } catch (IOException e) {
    return -1;
  } finally {
    closeURLConnection(conn, in);
  }
}

Author comment

Began life as a copy of #1001555

Travelled to 13 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt

Snippet ID:

#1002941

Snippet name:

getURLSizeByHEAD

Eternal ID of this version:

#1002941/4

Text MD5:

e1731bf0b583fd8738f63680b6283626

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2017-12-03 23:44:45

Source code size:

544 bytes / 18 lines

Pitched / IR pitched:

No / No

Views / Downloads:

693 / 656

Version history:

3 change(s)

Referenced in:

[show references]

1	// retrieves url with HEAD. returns content length,
2	// or -1 in case of error.
3	static long getURLSizeByHEAD(String url) {
4	url = absoluteURL(url);
5	HttpURLConnection conn = null;
6	InputStream in = null;
7	try {
8	conn = (HttpURLConnection) new URL(url).openConnection();
9	conn.setRequestMethod("HEAD");
10	conn.setRequestProperty("X-No-Cookies", "1");
11	in = conn.getInputStream();
12	return conn.getContentLength();
13	} catch (IOException e) {
14	return -1;
15	} finally {
16	closeURLConnection(conn, in);
17	}
18	}