![](/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/HTTPText.cpp@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 | /* HTTPText.cpp */ |
marcel1691 | 1:2e29a33cd918 | 2 | /* Copyright (C) 2012 mbed.org, MIT License |
marcel1691 | 1:2e29a33cd918 | 3 | * |
marcel1691 | 1:2e29a33cd918 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
marcel1691 | 1:2e29a33cd918 | 5 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
marcel1691 | 1:2e29a33cd918 | 6 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
marcel1691 | 1:2e29a33cd918 | 7 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
marcel1691 | 1:2e29a33cd918 | 8 | * furnished to do so, subject to the following conditions: |
marcel1691 | 1:2e29a33cd918 | 9 | * |
marcel1691 | 1:2e29a33cd918 | 10 | * The above copyright notice and this permission notice shall be included in all copies or |
marcel1691 | 1:2e29a33cd918 | 11 | * substantial portions of the Software. |
marcel1691 | 1:2e29a33cd918 | 12 | * |
marcel1691 | 1:2e29a33cd918 | 13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
marcel1691 | 1:2e29a33cd918 | 14 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
marcel1691 | 1:2e29a33cd918 | 15 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
marcel1691 | 1:2e29a33cd918 | 16 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
marcel1691 | 1:2e29a33cd918 | 17 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
marcel1691 | 1:2e29a33cd918 | 18 | */ |
marcel1691 | 1:2e29a33cd918 | 19 | |
marcel1691 | 1:2e29a33cd918 | 20 | #include "HTTPText.h" |
marcel1691 | 1:2e29a33cd918 | 21 | |
marcel1691 | 1:2e29a33cd918 | 22 | #include <cstring> |
marcel1691 | 1:2e29a33cd918 | 23 | |
marcel1691 | 1:2e29a33cd918 | 24 | #define OK 0 |
marcel1691 | 1:2e29a33cd918 | 25 | |
marcel1691 | 1:2e29a33cd918 | 26 | using std::memcpy; |
marcel1691 | 1:2e29a33cd918 | 27 | using std::strncpy; |
marcel1691 | 1:2e29a33cd918 | 28 | using std::strlen; |
marcel1691 | 1:2e29a33cd918 | 29 | |
marcel1691 | 1:2e29a33cd918 | 30 | #define MIN(x,y) (((x)<(y))?(x):(y)) |
marcel1691 | 1:2e29a33cd918 | 31 | |
marcel1691 | 1:2e29a33cd918 | 32 | HTTPText::HTTPText(char* str) : m_str(str), m_pos(0) |
marcel1691 | 1:2e29a33cd918 | 33 | { |
marcel1691 | 1:2e29a33cd918 | 34 | m_size = strlen(str) + 1; |
marcel1691 | 1:2e29a33cd918 | 35 | } |
marcel1691 | 1:2e29a33cd918 | 36 | |
marcel1691 | 1:2e29a33cd918 | 37 | HTTPText::HTTPText(char* str, size_t size) : m_str(str), m_size(size), m_pos(0) |
marcel1691 | 1:2e29a33cd918 | 38 | { |
marcel1691 | 1:2e29a33cd918 | 39 | |
marcel1691 | 1:2e29a33cd918 | 40 | } |
marcel1691 | 1:2e29a33cd918 | 41 | |
marcel1691 | 1:2e29a33cd918 | 42 | //IHTTPDataIn |
marcel1691 | 1:2e29a33cd918 | 43 | /*virtual*/ void HTTPText::readReset() |
marcel1691 | 1:2e29a33cd918 | 44 | { |
marcel1691 | 1:2e29a33cd918 | 45 | m_pos = 0; |
marcel1691 | 1:2e29a33cd918 | 46 | } |
marcel1691 | 1:2e29a33cd918 | 47 | |
marcel1691 | 1:2e29a33cd918 | 48 | /*virtual*/ int HTTPText::read(char* buf, size_t len, size_t* pReadLen) |
marcel1691 | 1:2e29a33cd918 | 49 | { |
marcel1691 | 1:2e29a33cd918 | 50 | *pReadLen = MIN(len, m_size - 1 - m_pos); |
marcel1691 | 1:2e29a33cd918 | 51 | memcpy(buf, m_str + m_pos, *pReadLen); |
marcel1691 | 1:2e29a33cd918 | 52 | m_pos += *pReadLen; |
marcel1691 | 1:2e29a33cd918 | 53 | return OK; |
marcel1691 | 1:2e29a33cd918 | 54 | } |
marcel1691 | 1:2e29a33cd918 | 55 | |
marcel1691 | 1:2e29a33cd918 | 56 | /*virtual*/ int HTTPText::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header |
marcel1691 | 1:2e29a33cd918 | 57 | { |
marcel1691 | 1:2e29a33cd918 | 58 | strncpy(type, "text/plain", maxTypeLen-1); |
marcel1691 | 1:2e29a33cd918 | 59 | type[maxTypeLen-1] = '\0'; |
marcel1691 | 1:2e29a33cd918 | 60 | return OK; |
marcel1691 | 1:2e29a33cd918 | 61 | } |
marcel1691 | 1:2e29a33cd918 | 62 | |
marcel1691 | 1:2e29a33cd918 | 63 | /*virtual*/ bool HTTPText::getIsChunked() //For Transfer-Encoding header |
marcel1691 | 1:2e29a33cd918 | 64 | { |
marcel1691 | 1:2e29a33cd918 | 65 | return false; |
marcel1691 | 1:2e29a33cd918 | 66 | } |
marcel1691 | 1:2e29a33cd918 | 67 | |
marcel1691 | 1:2e29a33cd918 | 68 | /*virtual*/ size_t HTTPText::getDataLen() //For Content-Length header |
marcel1691 | 1:2e29a33cd918 | 69 | { |
marcel1691 | 1:2e29a33cd918 | 70 | return m_size - 1; |
marcel1691 | 1:2e29a33cd918 | 71 | } |
marcel1691 | 1:2e29a33cd918 | 72 | |
marcel1691 | 1:2e29a33cd918 | 73 | //IHTTPDataOut |
marcel1691 | 1:2e29a33cd918 | 74 | /*virtual*/ void HTTPText::writeReset() |
marcel1691 | 1:2e29a33cd918 | 75 | { |
marcel1691 | 1:2e29a33cd918 | 76 | m_pos = 0; |
marcel1691 | 1:2e29a33cd918 | 77 | } |
marcel1691 | 1:2e29a33cd918 | 78 | |
marcel1691 | 1:2e29a33cd918 | 79 | /*virtual*/ int HTTPText::write(const char* buf, size_t len) |
marcel1691 | 1:2e29a33cd918 | 80 | { |
marcel1691 | 1:2e29a33cd918 | 81 | size_t writeLen = MIN(len, m_size - 1 - m_pos); |
marcel1691 | 1:2e29a33cd918 | 82 | memcpy(m_str + m_pos, buf, writeLen); |
marcel1691 | 1:2e29a33cd918 | 83 | m_pos += writeLen; |
marcel1691 | 1:2e29a33cd918 | 84 | m_str[m_pos] = '\0'; |
marcel1691 | 1:2e29a33cd918 | 85 | return OK; |
marcel1691 | 1:2e29a33cd918 | 86 | } |
marcel1691 | 1:2e29a33cd918 | 87 | |
marcel1691 | 1:2e29a33cd918 | 88 | /*virtual*/ void HTTPText::setDataType(const char* type) //Internet media type from Content-Type header |
marcel1691 | 1:2e29a33cd918 | 89 | { |
marcel1691 | 1:2e29a33cd918 | 90 | |
marcel1691 | 1:2e29a33cd918 | 91 | } |
marcel1691 | 1:2e29a33cd918 | 92 | |
marcel1691 | 1:2e29a33cd918 | 93 | /*virtual*/ void HTTPText::setIsChunked(bool chunked) //From Transfer-Encoding header |
marcel1691 | 1:2e29a33cd918 | 94 | { |
marcel1691 | 1:2e29a33cd918 | 95 | |
marcel1691 | 1:2e29a33cd918 | 96 | } |
marcel1691 | 1:2e29a33cd918 | 97 | |
marcel1691 | 1:2e29a33cd918 | 98 | /*virtual*/ void HTTPText::setDataLen(size_t len) //From Content-Length header, or if the transfer is chunked, next chunk length |
marcel1691 | 1:2e29a33cd918 | 99 | { |
marcel1691 | 1:2e29a33cd918 | 100 | |
marcel1691 | 1:2e29a33cd918 | 101 | } |
marcel1691 | 1:2e29a33cd918 | 102 | |
marcel1691 | 1:2e29a33cd918 | 103 | |
marcel1691 | 1:2e29a33cd918 | 104 |