CitySaxParseHandler.java

package com.appassit.common;

import java.io.InputStream;
import java.util.ArrayList;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;

import com.appassit.model.city.AreaModel;
import com.appassit.model.city.CityModel;
import com.appassit.model.city.ProvicneModel;

/**
 */
public class CitySaxParseHandler extends BaseSaxParseHandler {

	private ArrayList<ProvicneModel> mProvicneModels;
	private ProvicneModel mProvicneModel;
	private CityModel mCityModel;
	private AreaModel mAreaModel;
	private String tagName;

	public static ArrayList<ProvicneModel> getProvicneModel(InputStream in) throws Exception {
		// 得到SAX解析工厂
		SAXParserFactory factory = SAXParserFactory.newInstance();
		// 创建解析器
		SAXParser parser = factory.newSAXParser();
		XMLReader xmlreader = parser.getXMLReader();
		// 得到输入流
		InputSource is = new InputSource(in);
		// 得到SAX解析实现类
		CitySaxParseHandler handler = new CitySaxParseHandler();
		xmlreader.setContentHandler(handler);
		// 开始解析
		xmlreader.parse(is);
		return handler.mProvicneModels;
	}

	@Override
	public void characters(char[] ch, int start, int length) throws SAXException {
		super.characters(ch, start, length);

		if (tagName != null) {

		}
	}

	@Override
	public void startDocument() throws SAXException {
		super.startDocument();
		mProvicneModels = new ArrayList<ProvicneModel>();
	}

	@Override
	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
		super.startElement(uri, localName, qName, attributes);
		// LogUtil.i(TAG, "start read tag - " + localName);
		this.tagName = localName;
		if (tagName.equalsIgnoreCase("province")) {
			// 省
			mProvicneModel = new ProvicneModel();
			mProvicneModel.setCityName(attributes.getValue("name"));
			mProvicneModel.setCityId(attributes.getValue("id"));
		} else if (tagName.equalsIgnoreCase("city")) {
			// 市
			mCityModel = new CityModel();
			mCityModel.setCityName(attributes.getValue("name"));
			mCityModel.setCityId(attributes.getValue("id"));
		} else if (tagName.equalsIgnoreCase("county")) {
			// 区/县
			mAreaModel = new AreaModel();
			mAreaModel.setCityName(attributes.getValue("name"));
			mAreaModel.setCityId(attributes.getValue("id"));
			mAreaModel.setWeatherCode(attributes.getValue("weatherCode"));
		}
	}

	@Override
	public void endElement(String uri, String localName, String qName) throws SAXException {
		super.endElement(uri, localName, qName);
		// LogUtil.i(TAG, "end element - " + localName);
		this.tagName = null;
		if (localName.equals("province")) {
			// 省
			mProvicneModels.add(mProvicneModel);
			mProvicneModel = null;
		} else if (localName.equals("city")) {
			// 市
			mProvicneModel.getCityModels().add(mCityModel);
			mCityModel = null;
		} else if (localName.equals("county")) {
			// 区/县
			mCityModel.getAreaModels().add(mAreaModel);
			mAreaModel = null;
		}
	}

	@Override
	public void endDocument() throws SAXException {
		super.endDocument();
	}
}