smd.iotkit2.ch / Mbed 2 deprecated YahooWeather

Beispiel Abfrage Yahoo Weather fuer Zuerich

Dependencies:   EthernetInterface mbed-rtos mbed spxml

Fork of HTTP_GET by smd.iotkit2.ch

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>

Diff: HTTPClient/IHTTPData.h

Revision:
1:2e29a33cd918
diff -r fb5060c39dd1 -r 2e29a33cd918 HTTPClient/IHTTPData.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient/IHTTPData.h	Sat Jan 17 14:11:01 2015 +0000
@@ -0,0 +1,97 @@
+/* IHTTPData.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef IHTTPDATA_H
+#define IHTTPDATA_H
+
+#include <cstring>
+
+using std::size_t;
+
+///This is a simple interface for HTTP data storage (impl examples are Key/Value Pairs, File, etc...)
+class IHTTPDataOut
+{
+protected:
+  friend class HTTPClient;
+  
+  /** Reset stream to its beginning 
+   * Called by the HTTPClient on each new request
+   */
+  virtual void readReset() = 0;
+
+  /** Read a piece of data to be transmitted
+   * @param[out] buf Pointer to the buffer on which to copy the data
+   * @param[in] len Length of the buffer
+   * @param[out] pReadLen Pointer to the variable on which the actual copied data length will be stored
+   */
+  virtual int read(char* buf, size_t len, size_t* pReadLen) = 0;
+  
+  /** Get MIME type
+   * @param[out] type Internet media type from Content-Type header
+   * @param[in] maxTypeLen is the size of the type buffer to write to
+   */
+  virtual int getDataType(char* type, size_t maxTypeLen) = 0; //Internet media type for Content-Type header
+  
+  /** Determine whether the HTTP client should chunk the data
+   *  Used for Transfer-Encoding header
+   */
+  virtual bool getIsChunked() = 0;
+  
+  /** If the data is not chunked, get its size
+   *  Used for Content-Length header
+   */
+  virtual size_t getDataLen() = 0;
+
+};
+
+///This is a simple interface for HTTP data storage (impl examples are Key/Value Pairs, File, etc...)
+class IHTTPDataIn
+{
+protected:
+  friend class HTTPClient;
+
+  /** Reset stream to its beginning 
+   * Called by the HTTPClient on each new request
+   */
+  virtual void writeReset() = 0;
+
+  /** Write a piece of data transmitted by the server
+   * @param buf Pointer to the buffer from which to copy the data
+   * @param len Length of the buffer
+   */
+  virtual int write(const char* buf, size_t len) = 0;
+
+  /** Set MIME type
+   * @param type Internet media type from Content-Type header
+   */
+  virtual void setDataType(const char* type) = 0;
+
+  /** Determine whether the data is chunked
+   *  Recovered from Transfer-Encoding header
+   */
+  virtual void setIsChunked(bool chunked) = 0;
+  
+  /** If the data is not chunked, set its size
+   * From Content-Length header
+   */
+  virtual void setDataLen(size_t len) = 0;
+
+};
+
+#endif