pull方式解析xml

package com.softeem.pull;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import org.kxml2.io.KXmlParser;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import com.softeem.dom.write.UserBean;

public class Demo1 {
  public static void main(String[] args) throws XmlPullParserException,
      IOException {

    List<UserBean> userList = null;
    UserBean userBean = null;
    List<String> favoriteList = null;

    // 1.创建解析器
    KXmlParser parser = new KXmlParser();
    // 2.设置输入流:保证 读取的编码方式和xml文档中声明的encoding一致
    // parser.setInput(new FileInputStream(new File("src\\UserList.xml")),
    // "utf-8");
    parser.setInput(new InputStreamReader(new FileInputStream(new File(
        "src\\UserList.xml")), "utf-8"));

    // 3.解析
    // parser.getEventType();获取事件类型。
    // parser.next();继续读取下一个标签。
    // parser.getName();获取当前标签的标签名
    // parset.nextText();获取当前标签后的文本
    // <username>aaa

    int type = parser.getEventType(); // DOCUMENT_START
    while (type != XmlPullParser.END_DOCUMENT) {
      switch (type) {
      case XmlPullParser.START_TAG:
        if ("userlist".equals(parser.getName())) {
          // userlist开始标签
          userList = new ArrayList<UserBean>();
        }

        if ("user".equals(parser.getName())) {
          // user开始标签
          userBean = new UserBean();
          // 读取id属性
          // userBean.setId(parser.getAttributeValue(0));

          // getAttributeCount():获取属性数量
          // getAttributeName(int index):获取第index个属性名
          // getAttributeValue(int index):获取第index个属性值
          // getAttributeValue(String 命名空间,String 属性名);
          // getNameSpace()获取命名空间
          String nameSpace = parser.getNamespace();

          String id = parser.getAttributeValue(nameSpace, "id");

          System.out.println(parser.getAttributeValue(nameSpace,
              "sex"));

          userBean.setId(id);
        }

        if ("username".equals(parser.getName())) {
          // username开始标签:
          userBean.setUsername(parser.nextText());
        }

        if ("password".equals(parser.getName())) {
          // password开始标签:
          userBean.setPassword(parser.nextText());
        }

        if ("favoritelist".equals(parser.getName())) {
          // favoritelist开始标签
          favoriteList = new ArrayList<String>();
        }

        if ("favorite".equals(parser.getName())) {
          // favorite开始标签
          favoriteList.add(parser.nextText());
        }
        break;

      case XmlPullParser.END_TAG:
        if ("favoritelist".equals(parser.getName())) {
          // favoritelist结束标签
          userBean.setFavorites(favoriteList);
        }

        if ("user".equals(parser.getName())) {
          // user结束标签
          userList.add(userBean);
        }

        break;
      }

      // 跳转到下一个标签
      type = parser.next();
    }
  }
}

UserList.xml

<?xml version="1.0" encoding="utf-8"?>
<userlist>
  <user id="100" sex="男">
    <username>aaa</username>
    <password>aaa</password>
    <favoritelist>
      <favorite>aihao1</favorite>
      <favorite>aihao1</favorite>
      <favorite>aihao1</favorite>
    </favoritelist>
  </user>
  <user id="101" sex="女">
    <username>bbb</username>
    <password>bbb</password>
    <favoritelist>
      <favorite>aihao1</favorite>
      <favorite>aihao1</favorite>
      <favorite>aihao1</favorite>
    </favoritelist>
  </user>
  <user id="102" sex="人妖">
    <username>ccc</username>
    <password>ccc</password>
    <favoritelist>
      <favorite>aihao1</favorite>
      <favorite>aihao1</favorite>
      <favorite>aihao1</favorite>
    </favoritelist>
  </user>
</userlist>

pull方式解压所需jar包

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