Android XML的操作（SAX）

<? xml version="1.0" ?>
< xml_api_reply version ="1" >
< weather module_id ="0" tab_id ="0" mobile_row ="0" mobile_zipped ="1"
row ="0" section ="0" >
< forecast_information >
< city data ="Beijing, Beijing" />
< postal_code data ="beijing" />
< latitude_e6 data ="" />
< longitude_e6 data ="" />
< forecast_date data ="2010-12-27" />
< current_date_time data ="2010-12-28 04:00:00 +0000" />
< unit_system data ="SI" />
</ forecast_information >
< current_conditions >
< condition data ="晴" />
< temp_f data ="28" />
< temp_c data ="-2" />
< humidity data ="湿度： 27%" />
< icon data ="/ig/images/weather/sunny.gif" />
< wind_condition data ="风向： 西北、风速：7 米/秒" />
</ current_conditions >
< forecast_conditions >
< day_of_week data ="周一" />
< low data ="-12" />
< high data ="6" />
< icon data ="/ig/images/weather/sunny.gif" />
< condition data ="晴" />
</ forecast_conditions >
< forecast_conditions >
< day_of_week data ="周二" />
< low data ="-11" />
< high data ="1" />
< icon data ="/ig/images/weather/sunny.gif" />
< condition data ="晴" />
</ forecast_conditions >
< forecast_conditions >
< day_of_week data ="周三" />
< low data ="-11" />
< high data ="2" />
< icon data ="/ig/images/weather/chance_of_snow.gif" />
< condition data ="可能降雪" />
</ forecast_conditions >
< forecast_conditions >
< day_of_week data ="周四" />
< low data ="-13" />
< high data ="-2" />
< icon data ="/ig/images/weather/sunny.gif" />
< condition data ="晴" />
</ forecast_conditions >
</ weather >
</ xml_api_reply >

package com.SAXXMLReader;

public class NowWeather {
private String condition;
private String temp_f;
private String temp_c;
private String humidity;
private String icon;
private String wind_condition;

public NowWeather() {

}

public void setcondition(String condition) {
this .condition = condition;
}

public void settempf(String temp_f) {
this .temp_f = temp_f;
}

public void settempc(String temp_c) {
this .temp_c = temp_c;
}

public void sethumidity(String humidity) {
this .humidity = humidity;
}

public void seticon(String icon) {
this .icon = icon;
}

public void setwindcondition(String wind_condition) {
this .wind_condition = wind_condition;
}

public String getNowWeather()
{
StringBuilder strBuilder = new StringBuilder();
strBuilder.append(condition + " \n " );
strBuilder.append(temp_f + " \n " );
strBuilder.append(temp_c + " \n " );
strBuilder.append(humidity + " \n " );
strBuilder.append(icon + " \n " );
strBuilder.append(wind_condition + " \n " );

return strBuilder.toString();
}
}

package com.SAXXMLReader;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import android.util.Log;

public class WeatherHandler extends DefaultHandler {

private final String CURRENT_CONDITIONS = " current_conditions " ; // 当前
private final String forecast_conditions = " forecast_conditions " ; // 当前
// 实时天气信息
private boolean is_Current_Conditions = false ;
// 预报天气信息
private boolean is_Forecast_Conditions = false ;
NowWeather nowWeather = new NowWeather();
@Override
public void characters( char [] ch, int start, int length)
throws SAXException {
// TODO Auto-generated method stub
super.characters(ch, start, length);
}

@Override
public void startDocument() throws SAXException {
// TODO Auto-generated method stub
super.startDocument();
}

public WeatherHandler() {

}
@Override
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
// TODO Auto-generated method stub
// super.startElement(uri, localName, qName, attributes);
String dataAttribute = " OK " ;
// Log.d("WeatherHandler", localName);

if (localName.equals(CURRENT_CONDITIONS)) {
Log.d( " WeatherHandler " , localName);
is_Current_Conditions = true ;
} else if (localName.equals(forecast_conditions)) {
is_Current_Conditions = false ;
} else {
dataAttribute = attributes.getValue( " data " );
if ( this .is_Current_Conditions) {

Log.d( " WeatherHandler_1 " , dataAttribute);
// this.nowWeather.setcondition(dataAttribute);
if (localName.equals( " condition " )) {
this .nowWeather.setcondition(dataAttribute);
} else if (localName.equals( " temp_f " )) {
this .nowWeather.settempf(dataAttribute);
} else if (localName.equals( " temp_c " )) {
this .nowWeather.settempc(dataAttribute);
} else if (localName.equals( " humidity " )) {
this .nowWeather.sethumidity(dataAttribute);
} else if (localName.equals( " icon " )) {
this .nowWeather.seticon(dataAttribute);
} else if (localName.equals( " wind_condition " )) {
this .nowWeather.setwindcondition(dataAttribute);
}
} else if ( this .is_Forecast_Conditions) {
Log.d( " WeatherHandler_1 " , dataAttribute);
}

}
// Log.d("WeatherHandler_1", dataAttribute);
}

public String getNowWeather() {
return nowWeather.getNowWeather();
}

@Override
public void endDocument() throws SAXException {
// TODO Auto-generated method stub
super.endDocument();
}

@Override
public void endElement(String uri, String localName, String name)
throws SAXException {
}
}

SAXParserFactory faction = SAXParserFactory.newInstance();
SAXParser parser = faction.newSAXParser();
WeatherHandler handler = new WeatherHandler();

XMLReader reader = parser.getXMLReader();

reader.setContentHandler(handler);

URL url = new URL(SRC);

HttpURLConnection httpconn = (HttpURLConnection) url.openConnection();
// httpconn.getInputStream();

InputStream inStream = httpconn.getInputStream(); // this.getResources().openRawResource(R.xml.weather);
InputStreamReader isReader = new InputStreamReader(inStream, " GBK " );
// BufferedReader buffRreader = new BufferedReader(isReader);
// String line="";
// String data = "";
//
// while((line=buffRreader.readLine())!=null)
// data += line;
// text1.setText(data);
// Toast.makeText(this,data, Toast.LENGTH_LONG).show();
InputSource inputSource = new InputSource(isReader);
reader.parse(inputSource);
text1.setText(handler.getNowWeather());
// Toast.makeText(this, handler.getNowWeather(), Toast.LENGTH_LONG).show();