解析本地 服务器 xml

[android]代码库

package com.service;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StringReader;
import java.net.HttpURLConnection;
import java.net.URL;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import android.util.Xml;


import com.bean.Chart;

/**
 * 使用pull解析xml 2010-04-26
 * 
 * @author leequer
 * 
 */
public class ReadXmlByPullService {

	private static XmlPullParser xmlpull;
	private static Chart personList;
	public static int xmlType;
	private static InputStream inputStream;
	private static HttpURLConnection conn;
	
	
	public ReadXmlByPullService(int xmlType) {
		this.xmlType = xmlType;

	}


	/**
	 * 0:解析本地 1：解析服务器str 2：解析服务器xml文件
	 * @return 
	 */

	public static Chart  ReadXmlByPull(String path) throws Exception {
		xmlpull = Xml.newPullParser();

		if (0 == xmlType) {
			Xml_Sdcard(path);
		} else if (1 == xmlType) {
			Xml_Str(path);
		} else if (2 == xmlType) {
			Xml_Web(path);
		}
		XmlPull();
		return personList;
	}

	/**
	 * 
	 * @param path_sdcard
	 *            本地地址
	 * @throws Exception
	 */
	private static String Xml_Sdcard(String path) {

		try {
			File file = new File(path);
			inputStream = new FileInputStream(file);			
			xmlpull.setInput(inputStream, "utf-8");
			
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return path;
	}
	/**
	 * 
	 * @param path_web
	 *            服务器地址
	 * @throws Exception
	 */
	private static String Xml_Web(String path) {

		try {
			URL url = new URL(path);
			conn = (HttpURLConnection) url.openConnection();
			conn.setReadTimeout(10 * 1000);
			conn.setRequestMethod("GET");
			inputStream = conn.getInputStream();
			xmlpull.setInput(inputStream, "utf-8");
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return path;
	}

	/**
	 * 
	 * @param path_str
	 *            字符串地址
	 * @return
	 * @throws XmlPullParserException
	 * @throws IOException
	 * @throws Exception
	 */
	private static String Xml_Str(String path) throws XmlPullParserException {

		String resultData = "";

		try {
			URL url = new URL(path);
			conn = (HttpURLConnection) url.openConnection();
			conn.setReadTimeout(5 * 1000);
			conn.setRequestMethod("GET");
			conn.setDoInput(true);

			if (conn.getResponseCode() == 200) {
				BufferedReader buffer = new BufferedReader(
						new InputStreamReader(conn.getInputStream()));
				String inputLine = null;
				while ((inputLine = buffer.readLine()) != null) {
					resultData += inputLine + " ";
				}
			}
			xmlpull.setInput(new StringReader(resultData));

		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return resultData;

	}

	/**
	 * 核心
	 * 
	 * @throws Exception
	 */
	private static void XmlPull() throws Exception {

		int eventCode = xmlpull.getEventType();

		while (eventCode != XmlPullParser.END_DOCUMENT) {

			switch (eventCode) {
			case XmlPullParser.START_DOCUMENT: {// 开始文档 new数组
				personList = new Chart();
				break;
			}
			case XmlPullParser.START_TAG: {
				if ("chart".equals(xmlpull.getName())) {
					personList.setCaption(xmlpull.getAttributeValue(5));
					personList.setxAxisName(xmlpull.getAttributeValue(7));
					personList.setyAxisName(xmlpull.getAttributeValue(8));
				}
				if ("set".equals(xmlpull.getName())) {
					personList.getX().add(xmlpull.getAttributeValue(0));
					personList.getY().add(xmlpull.getAttributeValue(1));
				}
				break;
			}

			}

			eventCode = xmlpull.next();// 没有结束xml文件就推到下个进行解析
		}
	}
}

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