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/******************************************************************************
* Class : YahooWeatherHelper.java *
* Parser helper for Yahoo *
* *
* Version : v1.0 *
* Date : May 06, 2011 *
* Copyright (c)-2011 DatNQ some right reserved *
* You can distribute, modify or what ever you want but WITHOUT ANY WARRANTY *
* Be honest by keep credit of this file *
* *
* If you have any concern, feel free to contact with me via email, i will *
* check email in free time *
* Email: nguyendatnq@gmail.com *
* ---------------------------------------------------------------------------*
* Modification Logs: *
* KEYCHANGE DATE AUTHOR DESCRIPTION *
* ---------------------------------------------------------------------------*
* ------- May 06, 2011 DatNQ Create new *
******************************************************************************/
/*
* Modification into Android-internal WeatherXmlParser.java
* Copyright (C) 2012 The AOKP Project
*/
package com.cyanogenmod.lockclock.weather;
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import android.content.Context;
import android.util.Log;
public class WeatherXmlParser {
protected static final String TAG = "WeatherXmlParser";
/** Yahoo attributes */
private static final String PARAM_YAHOO_LOCATION = "yweather:location";
private static final String PARAM_YAHOO_UNIT = "yweather:units";
private static final String PARAM_YAHOO_ATMOSPHERE = "yweather:atmosphere";
private static final String PARAM_YAHOO_CONDITION = "yweather:condition";
private static final String PARAM_YAHOO_WIND = "yweather:wind";
private static final String PARAM_YAHOO_FORECAST = "yweather:forecast";
private static final String ATT_YAHOO_CITY = "city";
private static final String ATT_YAHOO_TEMP = "temp";
private static final String ATT_YAHOO_CODE = "code";
private static final String ATT_YAHOO_TEMP_UNIT = "temperature";
private static final String ATT_YAHOO_HUMIDITY = "humidity";
private static final String ATT_YAHOO_TEXT = "text";
private static final String ATT_YAHOO_DATE = "date";
private static final String ATT_YAHOO_SPEED = "speed";
private static final String ATT_YAHOO_DIRECTION = "direction";
private static final String ATT_YAHOO_TODAY_HIGH = "high";
private static final String ATT_YAHOO_TODAY_LOW = "low";
private Context mContext;
public WeatherXmlParser(Context context) {
mContext = context;
}
private String getValueForAttribute(Element root, String tagName, String attributeName) {
NamedNodeMap node = root.getElementsByTagName(tagName).item(0).getAttributes();
if (node == null) {
return null;
}
return node.getNamedItem(attributeName).getNodeValue();
}
private float getFloatForAttribute(Element root, String tagName, String attributeName)
throws NumberFormatException {
String value = getValueForAttribute(root, tagName, attributeName);
if (value == null) {
return Float.NaN;
}
return Float.parseFloat(value);
}
private int getIntForAttribute(Element root, String tagName, String attributeName)
throws NumberFormatException {
String value = getValueForAttribute(root, tagName, attributeName);
if (value == null) {
return -1;
}
return Integer.parseInt(value);
}
public WeatherInfo parseWeatherResponse(Document docWeather) {
if (docWeather == null) {
Log.e(TAG, "Invalid doc weather");
return null;
}
try {
Element root = docWeather.getDocumentElement();
root.normalize();
WeatherInfo w = new WeatherInfo(mContext,
/* city */ getValueForAttribute(root, PARAM_YAHOO_LOCATION, ATT_YAHOO_CITY),
/* forecastDate */ getValueForAttribute(root, PARAM_YAHOO_CONDITION, ATT_YAHOO_DATE),
/* condition */ getValueForAttribute(root, PARAM_YAHOO_CONDITION, ATT_YAHOO_TEXT),
/* conditionCode */ getIntForAttribute(root, PARAM_YAHOO_CONDITION, ATT_YAHOO_CODE),
/* temperature */ getFloatForAttribute(root, PARAM_YAHOO_CONDITION, ATT_YAHOO_TEMP),
/* low */ getFloatForAttribute(root, PARAM_YAHOO_FORECAST, ATT_YAHOO_TODAY_LOW),
/* high */ getFloatForAttribute(root, PARAM_YAHOO_FORECAST, ATT_YAHOO_TODAY_HIGH),
/* tempUnit */ getValueForAttribute(root, PARAM_YAHOO_UNIT, ATT_YAHOO_TEMP_UNIT),
/* humidity */ getFloatForAttribute(root, PARAM_YAHOO_ATMOSPHERE, ATT_YAHOO_HUMIDITY),
/* wind */ getFloatForAttribute(root, PARAM_YAHOO_WIND, ATT_YAHOO_SPEED),
/* windDir */ getIntForAttribute(root, PARAM_YAHOO_WIND, ATT_YAHOO_DIRECTION),
/* speedUnit */ getValueForAttribute(root, PARAM_YAHOO_UNIT, ATT_YAHOO_SPEED),
System.currentTimeMillis());
Log.d(TAG, "Weather updated: " + w);
return w;
} catch (Exception e) {
Log.e(TAG, "Couldn't parse Yahoo weather XML", e);
return null;
}
}
public String parsePlaceFinderResponse(String response) {
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(new InputSource(new StringReader(response)));
NodeList resultNodes = doc.getElementsByTagName("Result");
Node resultNode = resultNodes.item(0);
NodeList attrsList = resultNode.getChildNodes();
for (int i = 0; i < attrsList.getLength(); i++) {
Node node = attrsList.item(i);
Node firstChild = node.getFirstChild();
if ("woeid".equalsIgnoreCase(node.getNodeName()) && firstChild != null) {
return firstChild.getNodeValue();
}
}
} catch (Exception e) {
Log.e(TAG, "Couldn't parse Yahoo place finder XML", e);
}
return null;
}
}
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