Android Open Source - TimeSheets Xml Handler

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Back to project page TimeSheets.
License

The source code is released under:
MIT License
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Java Source Code

package com.powerblock.timesheets;
//w ww  .j a v  a 2  s . com
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;

import android.content.Context;
import android.os.Environment;
import android.util.Log;

public class XmlHandler {
  private Context mContext;
  private File xmlFile;
  private HashMap<String,String[]> mStringsMap;
  
  public XmlHandler(Context c){
    mContext = c;
    mStringsMap = new HashMap<String, String[]>();
    getFile();
    fillMap();
  }
  
  public void updateSystem(){
    mStringsMap.clear();
    fillMap();
  }
  
  private String[] parseListItem(XmlPullParser x){
    ArrayList<String> list = new ArrayList<String>();
    try {
      int eventType = x.next();
      while(eventType!=XmlPullParser.END_DOCUMENT){
        if(eventType != XmlPullParser.START_TAG){
          if(eventType == XmlPullParser.END_TAG && x.getName().equalsIgnoreCase("List")){
            return list.toArray(new String[list.size()]);
          }
          eventType = x.next();
          continue;
        }
        String name = x.getName();
        if(name.equals("item")){
          x.next();
          list.add(x.getText());
          Log.v("Test","Xml item = " + x.getText());
        }
        eventType = x.next();
      }
    } catch (XmlPullParserException | IOException e) {
      e.printStackTrace();
    }
    return list.toArray(new String[list.size()]);
  }
  
  private void fillMap(){
    XmlPullParser x = getFile();
    try {
      int eventType = x.getEventType();
      while(eventType != XmlPullParser.END_DOCUMENT){
        if(eventType == XmlPullParser.START_DOCUMENT){
          Log.v("Test","Xml: Document begins");
        }
        if(eventType != XmlPullParser.START_TAG){
          eventType = x.next();
          continue;
        }

        String name = x.getName();
        if(name.equalsIgnoreCase("List") && eventType == XmlPullParser.START_TAG){
          String attr = x.getAttributeValue(0);
          Log.v("Test","Xml: attr = " + attr);
          String[] strings = parseListItem(x);
          addToMap(attr, strings);
        }
        eventType = x.next();
      }
    } catch (XmlPullParserException | IOException e) {
      e.printStackTrace();
    }
  }
  
  private void addToMap(String key, String[] strings){
    StringBuffer buffer = new StringBuffer("adding to map: key = " + key + " values = ");
    for(int i = 0; i < strings.length; i++){
      buffer.append(strings[i]);
    }
    Log.v("Test",buffer.toString());
    mStringsMap.put(key, strings);
  }
  
  public String[] getStrings(String tag){
    return mStringsMap.get(tag);
  }
  
  public XmlPullParser getFile(){
    if(xmlFile == null){
      String root = Environment.getExternalStorageDirectory().toString();
      File dir = new File(root + MainActivity.workingTemplateDir);
      xmlFile = new File(dir,"current.xml");
      if(!dir.exists()){
        dir.mkdirs();
      }
      if(!xmlFile.exists()){
        InputStream in = null;
        OutputStream out = null;
        try{
          in = mContext.getResources().openRawResource(R.raw.initial_strings);
          out = new FileOutputStream(xmlFile);
          byte[] buffer = new byte[1024];
          int read;
          while((read = in.read(buffer)) != - 1){
            out.write(buffer, 0, read);
          }
          in.close();
          in = null;
          out.flush();
          out.close();
          out = null;
        } catch(Exception e){
          e.printStackTrace();
        }
      }
    }
    try {
      XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
      XmlPullParser xpp = factory.newPullParser();
      InputStream in = new FileInputStream(xmlFile);
      xpp.setInput(in, null);
      return xpp;
    } catch (Exception e) {
      e.printStackTrace();
    }
    return null;
  }
}
Java Source Code List
