Pull的方式解析xml

parseWeather.java

 private Weather parseWeather(String weatherXml){
        //采用Pull方式解析xml
        StringReader reader = new StringReader(weatherXml);
        XmlPullParser xmlParser = Xml.newPullParser();
        Weather weather = null;
        try {
            xmlParser.setInput(reader);
            int eventType = xmlParser.getEventType();
            while(eventType != XmlPullParser.END_DOCUMENT){
                switch (eventType){
                    case XmlPullParser.START_DOCUMENT:
                        weather = new Weather();
                        break;
                    case XmlPullParser.START_TAG:
                        String nodeName = xmlParser.getName();
                        if("city".equals(nodeName)){
                            weather.city = xmlParser.nextText();
                        } else if("savedate_weather".equals(nodeName)){
                            weather.date = xmlParser.nextText();
                        } else if("temperature1".equals(nodeName)) {
                            weather.temperature = xmlParser.nextText();
                        } else if("temperature2".equals(nodeName)){
                            weather.temperature += "-" + xmlParser.nextText();
                        } else if("direction1".equals(nodeName)){
                            weather.direction = xmlParser.nextText();
                        } else if("power1".equals(nodeName)){
                            weather.power = xmlParser.nextText();
                        } else if("status1".equals(nodeName)){
                            weather.status = xmlParser.nextText();
                        }
                        break;
                }
                eventType = xmlParser.next();
            }
            return weather;
        } catch(Exception e) {
            e.printStackTrace();
            return null;
        } finally {
            reader.close();
        }
    }