![](/media/cache/group/ep_srxDLMd.webp.50x50_q85.jpg)
Beispiel Abfrage Yahoo Weather fuer Zuerich
Dependencies: EthernetInterface mbed-rtos mbed spxml
Fork of HTTP_GET by
Mittels Yahoo Weather kann das aktuelle Wetter und eine Vorhersage für einen Bestimmten Ort abgefragt werden.
Links
Beispiel Abfrage Wetter in Zürich
Aufruf mittels curl:
curl http://query.yahooapis.com/v1/public/yql \ -d q="select * from weather.forecast where woeid=784794" -d format=xml
Antwort als XML von Yahoo:
<?xml version="1.0" encoding="UTF-8"?> <query xmlns:yahoo="http://www.yahooapis.com/v1/base.rng" yahoo:count="1" yahoo:created="2016-07-22T13:17:05Z" yahoo:lang="en-US"> <results> <channel> <yweather:units xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" distance="mi" pressure="in" speed="mph" temperature="F" /> <title>Yahoo! Weather - Zurich, ZH, CH</title> <link>http://us.rd.yahoo.com/dailynews/rss/weather/Country__Country/*https://weather.yahoo.com/country/state/city-784794/</link> <description>Yahoo! Weather for Zurich, ZH, CH</description> <language>en-us</language> <lastBuildDate>Fri, 22 Jul 2016 03:17 PM CEST</lastBuildDate> <ttl>60</ttl> <yweather:location xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" city="Zurich" country="Switzerland" region=" ZH" /> <yweather:wind xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" chill="72" direction="150" speed="11" /> <yweather:atmosphere xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" humidity="72" pressure="957.0" rising="0" visibility="16.1" /> <yweather:astronomy xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" sunrise="5:54 am" sunset="9:10 pm" /> <image> <title>Yahoo! Weather</title> <width>142</width> <height>18</height> <link>http://weather.yahoo.com</link> <url>http://l.yimg.com/a/i/brand/purplelogo//uh/us/news-wea.gif</url> </image> <item> <title>Conditions for Zurich, ZH, CH at 02:00 PM CEST</title> <geo:lat xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#">47.38427</geo:lat> <geo:long xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#">8.52959</geo:long> <link>http://us.rd.yahoo.com/dailynews/rss/weather/Country__Country/*https://weather.yahoo.com/country/state/city-784794/</link> <pubDate>Fri, 22 Jul 2016 02:00 PM CEST</pubDate> <yweather:condition xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="39" date="Fri, 22 Jul 2016 02:00 PM CEST" temp="72" text="Scattered Showers" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="4" date="22 Jul 2016" day="Fri" high="77" low="66" text="Thunderstorms" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="47" date="23 Jul 2016" day="Sat" high="76" low="64" text="Scattered Thunderstorms" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="39" date="24 Jul 2016" day="Sun" high="78" low="63" text="Scattered Showers" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="47" date="25 Jul 2016" day="Mon" high="77" low="64" text="Scattered Thunderstorms" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="47" date="26 Jul 2016" day="Tue" high="75" low="64" text="Scattered Thunderstorms" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="4" date="27 Jul 2016" day="Wed" high="75" low="61" text="Thunderstorms" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="30" date="28 Jul 2016" day="Thu" high="76" low="60" text="Partly Cloudy" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="30" date="29 Jul 2016" day="Fri" high="79" low="59" text="Partly Cloudy" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="39" date="30 Jul 2016" day="Sat" high="80" low="58" text="Scattered Showers" /> <yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="30" date="31 Jul 2016" day="Sun" high="78" low="59" text="Partly Cloudy" /> <description></description> <guid isPermaLink="false" /> </item> </channel> </results> </query>
HTTPClient/data/HTTPFile.h@7:99e6c4f0a3ff, 2016-07-22 (annotated)
- Committer:
- marcel1691
- Date:
- Fri Jul 22 14:02:57 2016 +0000
- Revision:
- 7:99e6c4f0a3ff
- Parent:
- 1:2e29a33cd918
Forecast integriert
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
marcel1691 | 1:2e29a33cd918 | 1 | #ifndef HTTPFILE_H |
marcel1691 | 1:2e29a33cd918 | 2 | #define HTTPFILE_H |
marcel1691 | 1:2e29a33cd918 | 3 | #if 1 |
marcel1691 | 1:2e29a33cd918 | 4 | #include <mbed.h> |
marcel1691 | 1:2e29a33cd918 | 5 | #include "../IHTTPData.h" |
marcel1691 | 1:2e29a33cd918 | 6 | |
marcel1691 | 1:2e29a33cd918 | 7 | |
marcel1691 | 1:2e29a33cd918 | 8 | class HTTPFile : public IHTTPDataIn { |
marcel1691 | 1:2e29a33cd918 | 9 | |
marcel1691 | 1:2e29a33cd918 | 10 | public: |
marcel1691 | 1:2e29a33cd918 | 11 | HTTPFile(char* filename); |
marcel1691 | 1:2e29a33cd918 | 12 | |
marcel1691 | 1:2e29a33cd918 | 13 | /** Closes the file, should be called once the http connection is closed. |
marcel1691 | 1:2e29a33cd918 | 14 | */ |
marcel1691 | 1:2e29a33cd918 | 15 | void close(); |
marcel1691 | 1:2e29a33cd918 | 16 | |
marcel1691 | 1:2e29a33cd918 | 17 | protected: |
marcel1691 | 1:2e29a33cd918 | 18 | |
marcel1691 | 1:2e29a33cd918 | 19 | friend class HTTPClient; |
marcel1691 | 1:2e29a33cd918 | 20 | |
marcel1691 | 1:2e29a33cd918 | 21 | /** Reset stream to its beginning |
marcel1691 | 1:2e29a33cd918 | 22 | * Called by the HTTPClient on each new request |
marcel1691 | 1:2e29a33cd918 | 23 | */ |
marcel1691 | 1:2e29a33cd918 | 24 | virtual void writeReset(); |
marcel1691 | 1:2e29a33cd918 | 25 | |
marcel1691 | 1:2e29a33cd918 | 26 | /** Write a piece of data transmitted by the server |
marcel1691 | 1:2e29a33cd918 | 27 | * @param[in] buf Pointer to the buffer from which to copy the data |
marcel1691 | 1:2e29a33cd918 | 28 | * @param[in] len Length of the buffer |
marcel1691 | 1:2e29a33cd918 | 29 | * @returns number of bytes written. |
marcel1691 | 1:2e29a33cd918 | 30 | */ |
marcel1691 | 1:2e29a33cd918 | 31 | virtual int write(const char* buf, size_t len); |
marcel1691 | 1:2e29a33cd918 | 32 | |
marcel1691 | 1:2e29a33cd918 | 33 | /** Set MIME type |
marcel1691 | 1:2e29a33cd918 | 34 | * @param[in] type Internet media type from Content-Type header |
marcel1691 | 1:2e29a33cd918 | 35 | */ |
marcel1691 | 1:2e29a33cd918 | 36 | virtual void setDataType(const char* type); |
marcel1691 | 1:2e29a33cd918 | 37 | |
marcel1691 | 1:2e29a33cd918 | 38 | /** Determine whether the data is chunked |
marcel1691 | 1:2e29a33cd918 | 39 | * Recovered from Transfer-Encoding header |
marcel1691 | 1:2e29a33cd918 | 40 | * @param[in] chunked indicates the transfer is chunked. |
marcel1691 | 1:2e29a33cd918 | 41 | */ |
marcel1691 | 1:2e29a33cd918 | 42 | virtual void setIsChunked(bool chunked); |
marcel1691 | 1:2e29a33cd918 | 43 | |
marcel1691 | 1:2e29a33cd918 | 44 | /** If the data is not chunked, set its size |
marcel1691 | 1:2e29a33cd918 | 45 | * From Content-Length header |
marcel1691 | 1:2e29a33cd918 | 46 | * @param[in] len defines the size of the non-chunked transfer. |
marcel1691 | 1:2e29a33cd918 | 47 | */ |
marcel1691 | 1:2e29a33cd918 | 48 | virtual void setDataLen(size_t len); |
marcel1691 | 1:2e29a33cd918 | 49 | private: |
marcel1691 | 1:2e29a33cd918 | 50 | FILE *file; |
marcel1691 | 1:2e29a33cd918 | 51 | size_t m_len; |
marcel1691 | 1:2e29a33cd918 | 52 | bool m_chunked; |
marcel1691 | 1:2e29a33cd918 | 53 | }; |
marcel1691 | 1:2e29a33cd918 | 54 | #endif |
marcel1691 | 1:2e29a33cd918 | 55 | #endif // HTTPFILE_H |