Put a local proxy that log requests and watch out the parameters that
are submitted to server.
Then you will just have to change your parameters values as you need.
Under windows (sometime...), I use Proxomitron
Regards,
Christophe
Mini Traktor wrote:
Hi!
I need to download a file using HttpClient. There is no URL that leads directly
to the file but it can be downloaded manually by following these steps:
1. Go to this website:
http://insynsok.fi.se/SearchPage.aspx?bolagid=556&fromdate=2009-04-30&tomdate=2009-04-30&reporttype=2&culture=sv-SE
2. Select the radio button "Exportera data" in the top-right corner
3. Click the button "SÖK"
I suppose that I should do some kind of HTTP POST, but I don't know which
parameters to post. I have tried many different combinations, such as the one
below. Do anyone know what I should do to download the file?
DefaultHttpClient httpclient =
HttpPost httpost =
List <NameValuePair> nvps =
nvps.add(
nvps.add(publicstaticvoidmain(String[] args) throwsException
{newDefaultHttpClient();newHttpPost("http://insynsok.fi.se/SearchPage.aspx?bolagid=556&fromdate=2009-04-30&tomdate=2009-04-30&reporttype=2&culture=sv-SE";);newArrayList
<NameValuePair>();newBasicNameValuePair("ctl00$main$ResultFormatGroup", "optExport"));newBasicNameValuePair("__EVENTTARGET",
"ctl00$main$optExport")); // nvps.add(new BasicNameValuePair("__EVENTTARGET", "optExport"));
// nvps.add(new BasicNameValuePair("__LASTFOCUS", ""))
// nvps.add(new BasicNameValuePair("__EVENTARGUMENT", ""));
// nvps.add(new BasicNameValuePair("__VIEWSTATE",
"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
WdlVGVtcGxhdGVzL2ltYWdlcy9idXR0b25fc2VhcmNoLmdpZmRkAiEPDxYCHwAFDUbDtnJrbGFyaW5nYXJkZAIlDw8WAh8ABQM1NTZkZAInDw8WAh8ABQVEYXR1bWRkAgIPDxYCHwAFEFRmbiAwOC03ODcgODEgNDRkZBgCBR5fX0NvbnRyb2xzUmVxdWlyZVBvc3RCYWNrS2V5X18WBAUUY3RsMDAkbWFpbiRvcHRFeHBvcnQFFGN0bDAwJG1haW4kb3B0RXhwb3J0BRRjdGwwMCRtYWluJG9wdFNjcmVlbgUXY3RsMDAkbWFpbiRJbWFnZUJ1dHRvbjEFFGN0bDAwJG1haW4kR3JpZFZpZXcxD2dkklF4trRBFw6yMlWuT6mgCtqFIVs="));
// nvps.add(new BasicNameValuePair("ctl00$main$ResultFormatGroup",
"optExport"));
// nvps.add(new BasicNameValuePair("ctl00$main$DropDownList1",
"HistorisktInnehav"));
// nvps.add(new BasicNameValuePair("ctl00$main$tomDate", "2009-04-30"));
// nvps.add(new BasicNameValuePair("__EVENTVALIDATION",
"/wEWDwLHzJQpAu6lkLcMAtW8y+QIAs6Sm9EDAu6poZgCAuCEi9wJAv+XioUFAtipkEECiqGu1QMCoZfPrQECt63T+g8CtrHxygoChfbuvQgC2YHiyQoC/aei9gKbrpw0ozpPrgzd2imI6M4O/LNqOw=="));
// nvps.add(new BasicNameValuePair("ctl00$main$ImageButton1", "true"));
httpost.setEntity(
HttpResponse response = httpclient.execute(httpost);
HttpEntity entity = response.getEntity();
File file =
InputStream instream = entity.getContent();
OutputStream outstream =
outstream.write(tmp, 0, l);
}
outstream.flush();
instream.close();
outstream.close();
entity.consumeContent();
httpclient.getConnectionManager().shutdown();
}newUrlEncodedFormEntity(nvps, HTTP.UTF_8));newFile("somefile.zip");newFileOutputStream(file); byte[] tmp = newbyte[4096]; intl; while((l = instream.read(tmp)) != -1) {
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