XML파싱 할때 의도치 않은 NULL값이 들어옵니다. [closed]

Question

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package com.example.final_project;   import java.io.IOException; import java.io.InputStream; import java.net.MalformedURLException; import java.net.URL; import java.util.ArrayList; import java.util.concurrent.DelayQueue;   import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlPullParserFactory;   import android.R.bool; import android.app.Activity; import android.content.Intent; import android.os.Handler; import android.os.Message; import android.util.Log; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener;   public class select_Thread extends Activity implements Runnable {     public static ArrayList<Thread_result> rdata;       Thread_result t;     Handler handler = new Handler() {           public void handleMessage(Message msg) {             t = (Thread_result) msg.obj;             MainActivity.mAdapter.addItem(t.getName(), t.getNumber(),                     t.getlocation());           }       };       public void run() {           try {             String enter = "basic_select";             URL connection = new URL("http://203.247.41.242/" + enter + ".php");             connection.openStream();             URL server = new URL("http://203.247.41.242/" + enter + ".xml");               XmlPullParserFactory parserCreator = XmlPullParserFactory                     .newInstance();             XmlPullParser parser = parserCreator.newPullParser();             InputStream is = server.openStream();               parser.setInput(is, "UTF-8");               int parserEvent = -1;             String START = "";             String TEXT_TAG = "deflut";             String END = "";             String nameTag = null, Number = "deflut", locationTag = null;               while (parserEvent != XmlPullParser.END_DOCUMENT) {                   switch (parserEvent) {                 case XmlPullParser.START_TAG:                     START = parser.getName();                     // Log.i("START", parser.getName());                     break;                   case XmlPullParser.TEXT:                     TEXT_TAG = parser.getText();                     // Log.i("TEXT", parser.getText());                     break;                   case XmlPullParser.END_TAG:                     END = parser.getName();                     // Log.i("END", parser.getName());                     break;                   }                 Message msg = Message.obtain();                   if (START.equals(END)) {                     // Log.i("START", START);                       if (START.equals("item_number")) {                           // Log.i("start", "start : " + START);                         // Log.i("Text", TEXT_TAG);                         // Log.i("end", "end : " + END);                         Number = TEXT_TAG;                            Log.i("here1", "번호"+Number);                       } else if (START.equals("name")) {                         nameTag = TEXT_TAG;                         //                     } else if (START.equals("location")) {                         locationTag = TEXT_TAG;                           Thread_result data = new Thread_result();                         data.setName("이   름 : " + nameTag);                         data.setNumber("물품번호 : " + Number);                         data.setlocation("사용장소 : " + locationTag);                         msg.obj = data;                         handler.sendMessage(msg);                       }                   }                   parserEvent = parser.next();             }           } catch (MalformedURLException e) {             // TODO Auto-generated catch block             Log.i("tag", "URL _ error");             e.printStackTrace();         } catch (XmlPullParserException e) {             // TODO Auto-generated catch block             Log.i("tag", "XML _ error");             e.printStackTrace();         } catch (IOException e) {             // TODO Auto-generated catch block               e.printStackTrace();         }         // TODO Auto-generated method stub       }   }

위처럼 소스코딩해서 파싱했는데 nameTag와 locationTag는 정상적으로 작동하여 ListView까지 출력되는데 

유독 Number만 해결이 안됩니다. 

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05-10 19:16:43.084: I/here1(17129): 번호201005-0009-001 05-10 19:16:43.084: I/here1(17129): 번호 05-10 19:16:43.089: I/here1(17129): 번호201005-0009-002 05-10 19:16:43.089: I/here1(17129): 번호 05-10 19:16:43.094: I/here1(17129): 번호201006-0010-001 05-10 19:16:43.094: I/here1(17129): 번호

로그캣으로 확인한 결과 NULL값이 2번들어와서 NULL값이 전달되는거 같은데.. 도대체 왜 이렇게 되는지 이해를 할 수가 없습니다. 

 

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<?xml version = "1.0" encoding = "utf-8"?> <DB_20080918> <data> <department>컴퓨터공학과</department> <item_number>201005-0009-001</item_number> <name>컴퓨터(본체)</name> <manager>기타</manager> <location>090908-0</location> <use>교보재</use> <state>양호</state> <price>1660000 </price> <user></user> <invest_date></invest_date> <purchase_date></purchase_date> <dump_data></dump_data> </data> <data> <department>컴퓨터공학과</department> <item_number>201005-0009-002</item_number> <name>컴퓨터(본체)</name> <manager>기타</manager> <location>090908-0</location> <use>교보재</use> <state>양호</state ><price>1660000 </price> <user></user> <invest_date></invest_date> <purchase_date></purchase_date> <dump_data></dump_data> </data> </DB_20080918>

XML파일은 위와같은 형식으로 구성되어 있습니다.

Answer 1

자체해결했습니다 처음data종료태그와 그 다음의  data시작테그가 같아서 널값이 들어오는것 이었습니다.