Stephan,
Please encode your URL to UTF-8, which appears to be the recommended
character set as stated at the German Wikipedia:
[1]http://de.wikipedia.org/wiki/URL-Encoding
I changed your program to switch to UTF-8 (1208) before calling the URL
encoder. Afterwards it switches back to ASCII (819) and performs the
GET request which returns the expected data, then.
Hope that helps.
Thomas.
ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx schrieb am 21.01.2013 15:44:02:
> Von: stephan.traub@xxxxxxxxx
> An: ftpapi@xxxxxxxxxxxxxxxxxxxxxx,
> Datum: 22.01.2013 02:28
> Betreff: Google Geocode - HTTPAPI Problem with encoding?
> Gesendet von: ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx
>
> Hello all,
>
> I am pretty new to use HTTPAPI and encounter a problem while trying
to
> connect to google geocoding api.
>
> It seems the problem is related to the special-characters we have in
> germany.
> When I try to connect to google-api with a streetname that holds for
> example a "ß" as character (which nearly all streets have!) I get,
> depending on the way I try to build the URL different errors.
>
> The URL I use to request google api is this:
>
[2]http://maps.googleapis.com/maps/api/geocode/xml?address=[ADDRESS]&se
nsor=false
>
> Here now the Errors I get in different scenarios:
> 1.) If I use NO encoding of the url and fill in this
> "Bergstrasse+93138+Lappersdorf+DE" as address.
> RESULT = OK, all perfect!!!
>
> 2.) If I use NO encoding of the URL and fill in this
> "Bergstraße+93138+Lappersdorf+DE" as address.
> RESULT =
> The requested URL could not be retrieved
> Invalid Request: Malformed request
> Some aspect of the HTTP Request is invalid.
>
> 3.) If I use encoding of the URL and fill in this
> "Bergstraße+93138+Lappersdorf+DE" as address.
> RESULT = INVALID_REQUEST
>
>
> I really wonder what is going wrong.
> Can someone of you give me a useful hint?
>
>
> Kind Regards
>
> Stephan
>
> ---------------------------------------
> Here the code of the small program
> ---------------------------------------
> H DFTACTGRP(*NO) BNDDIR('LIBHTTP/HTTPAPI')
>
> /include LIBHTTP/QRPGLESRC,httpapi_h
> /include LIBHTTP/QRPGLESRC,ifsio_h
>
> D QCMDEXEC PR ExtPgm('QCMDEXC')
> D command 32702a const options(*varsize)
> D len 15p 5 const
> D igc 3a const options(*nopass)
>
> D GoogleResponse PR
> D r likeds(resp)
> D depth 10I 0 value
> D name 1024A varying const
> D path 24576A varying const
> D value 65535A varying const
> D Attrs * dim(32767)
> D const options(*varsize)
>
> * google - Geocoding Request fields:
> D req DS qualified inz
> D address 150a varying
> D sensor 5a varying
> D key 100a varying
>
> * google - Geocoding Response fields:
> D resp DS qualified inz
> D Latitude 9p 6
> D Longitude 9p 6
> D Address 50a varying
> D status 256a varying
>
> D Enc s like(HTTP_URL_ENCODER)
> D url s 32767a varying
> D filename s 50A varying
> D cmd s 200A
> D msg s 52A
> D wait s 1A
> D rc s 10I 0
>
> D postData s *
> D postDataSize s 10I 0
> D x s 10I 0
>
> D agent s 64a
>
> /free
>
> *inlr = *on;
>
> // address = 'Bergstrasse 93138 Lappersdorf DE';
> req.address = 'Bergstraße+93138+Lappersdorf+DE';
>
> req.sensor='false';
>
> Enc = http_url_encoder_new();
> // http_url_encoder_addvar_s( enc: 'key' : req.key );
> http_url_encoder_addvar_s( enc: 'address' : req.address );
> http_url_encoder_addvar_s( enc: 'sensor' : req.sensor );
>
> url = 'http://maps.googleapis.com/maps/api/geocode/xml?'
> + http_url_encoder_getstr(enc);
> // + 'address=' + %trimr(req.address)
> // + '&sensor=false';
> http_url_encoder_free(enc);
>
> http_debug(*ON);
>
> filename = http_tempfile() + '.xml';
> rc = http_url_get( url : filename );
> if (rc < 1);
> unlink(filename);
> http_crash();
> return;
> endif;
>
> dsply ('Press <ENTER> to see Google response') ' ' wait;
> cmd = 'DSPF STMF(''' + filename + ''')';
> QCMDEXEC(cmd: %len(cmd));
> dsply ('Press <ENTER> to see debug log') ' ' wait;
> cmd = 'DSPF STMF(''/tmp/httpapi_debug.txt'')';
> QCMDEXEC(cmd: %len(cmd));
>
> // ****************************************************
> // parse the XML from the temp file.
> // ****************************************************
>
> rc =http_parse_xml_stmf( filename
> : HTTP_XML_CALC
> : *null
> : %paddr(GoogleResponse)
> : %addr(resp) );
>
> unlink(filename);
> if (rc < 0);
> http_crash();
> return;
> endif;
>
> // ****************************************************
> // Print the news headlines & links to the full
> // articles
> //
> // Note: If you wanted to, you could retrieve the
> // articles themselves by calling http_url_get
> // for each link.
> // ****************************************************
>
> if (resp.status <> 'OK');
> http_comp(resp.status);
> return;
> endif;
>
> dsply (' Lat = ' + %char(resp.Latitude) );
> dsply (' Lon = ' + %char(resp.Longitude) );
> dsply ('Press <ENTER> to continue') ' ' wait;
>
> return;
>
> /end-free
>
> P GoogleResponse B
> D GoogleResponse PI
> D r likeds(resp)
> D depth 10I 0 value
> D name 1024A varying const
> D path 24576A varying const
> D value 65535A varying const
> D attrs * dim(32767)
> D const options(*varsize)
>
> /free
>
> if ( path = '/GeocodeResponse' );
> if name = 'status';
> r.status = %trimr(value);
> endif;
> endif;
>
> if ( path = '/GeocodeResponse/result/geometry/location');
> select;
> when name = 'lat';
> r.latitude = %dec(value:9:6);
> when name = 'lng';
> r.longitude = %dec(value:9:6);
> endsl;
> endif;
>
> if ( path = '/GeocodeResponse/result' );
> if name = 'formatted_address';
> r.address = %trimr(value);
> endif;
> endif;
>
> /end-free
> P E
>
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References
1. http://de.wikipedia.org/wiki/URL-Encoding
2. http://maps.googleapis.com/maps/api/geocode/xml?address=
3. http://www.scottklement.com/mailman/listinfo/ftpapi
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