1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
package tim.prune.function.weather;
import java.util.ArrayList;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
/**
* XML handler for dealing with the XML of weather forecasts
* returned from openweathermap.org (current weather has different structure)
*/
public class OWMForecastHandler extends DefaultHandler
{
private String _value = null;
/** The location name */
private String _locName = null;
/** The forecast update time */
private String _updateTime = null;
/** The currently open forecast */
private SingleForecast _forecast = null;
/** List of all the forecasts found so far */
private ArrayList<SingleForecast> _forecastList = new ArrayList<SingleForecast>();
/**
* React to the start of an XML tag
*/
public void startElement(String inUri, String inLocalName, String inTagName,
Attributes inAttributes) throws SAXException
{
if (inTagName.equals("time")) { // start of a new forecast
_forecast = new SingleForecast();
// date, timefrom, timeto
_forecast.setTime(inAttributes.getValue("day"), inAttributes.getValue("from"), inAttributes.getValue("to"));
}
else if (inTagName.equals("symbol")) {
// numeric code, owm image name, description
_forecast.setSymbol(inAttributes.getValue("number"), inAttributes.getValue("var"), inAttributes.getValue("name"));
}
else if (inTagName.equals("windSpeed")) {
_forecast.setWindDesc(inAttributes.getValue("name"));
}
else if (inTagName.equals("temperature")) {
_forecast.setTemps(inAttributes.getValue("min"), inAttributes.getValue("max"));
}
else if (inTagName.equals("humidity")) {
_forecast.setHumidity(inAttributes.getValue("value") + inAttributes.getValue("unit"));
}
_value = null;
super.startElement(inUri, inLocalName, inTagName, inAttributes);
}
/**
* React to the end of an XML tag
*/
public void endElement(String inUri, String inLocalName, String inTagName)
throws SAXException
{
if (inTagName.equals("name")) {
_locName = _value;
}
else if (inTagName.equals("lastupdate")) {
_updateTime = _value;
}
else if (inTagName.equals("time"))
{
// End of a time tag, add the current forecast to the list
_forecastList.add(_forecast);
}
super.endElement(inUri, inLocalName, inTagName);
}
/**
* React to characters received inside tags
*/
public void characters(char[] inCh, int inStart, int inLength)
throws SAXException
{
String value = new String(inCh, inStart, inLength);
_value = (_value==null?value:_value+value);
super.characters(inCh, inStart, inLength);
}
/** @return location name of forecast */
public String getLocationName() {
return _locName;
}
/** @return update time of forecast */
public String getUpdateTime() {
return _updateTime;
}
/**
* @return the list of forecasts
*/
public ArrayList<SingleForecast> getForecasts() {
return _forecastList;
}
}
|
