Android Open Source - SysAdmin-Nagios-Client Update Service

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License

The source code is released under:

Apache License

Java Source Code

package com.SysAdmin;
//from  ww w .  j a  va  2s  . c o  m
// android
import com.SysAdmin.Nagios.XMLParser;
import com.SysAdmin.Nagios.Entity.NagiosEntity;
import com.SysAdmin.Nagios.Entity.ServiceEntity;

import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.util.Log;
import android.widget.RemoteViews;
import android.widget.RemoteViewsService;

/**
 * Provides a cursor containing the displaying items
 * 
 * @author Lukas Bernreiter
 * @version 0.5, 21/03/2012
 * @since 0.3
 */
public class UpdateService extends RemoteViewsService 
{
  @Override
  public RemoteViewsFactory onGetViewFactory(Intent _intent) {
    return new UpdateRemoteViewsFactory(this.getApplicationContext(), _intent);
  }
}

class UpdateRemoteViewsFactory implements RemoteViewsService.RemoteViewsFactory
{
  private Context mContext = null;
  private Cursor mCursor = null;

  public UpdateRemoteViewsFactory(Context _context, Intent _intent)
  {
    this.mContext = _context;
  }
  
  public int getCount() {
    if(mCursor != null)
      return mCursor.getCount();
    else
      return 0;
  }

  public long getItemId(int _position) {
    return _position;
  }

  public RemoteViews getLoadingView() {
    return null;
  }

  public RemoteViews getViewAt(int _position) 
  {
    String name = "";
    
    if(mCursor.moveToPosition(_position))
      name = mCursor.getString(mCursor.getColumnIndex("name"));
    
    RemoteViews rViews = new RemoteViews(this.mContext.getPackageName(), R.layout.list_item);
    rViews.setTextViewText(R.id.textView_list, name);      
    
    return rViews;
  }

  public int getViewTypeCount() {
    return 1;
  }

  public boolean hasStableIds() {
    return true;
  }

  public void onCreate() {    
    // no-op
  }

  public void onDataSetChanged() {
    if(null != this.mCursor)
      this.mCursor.close();
    
    this.mCursor = this.getCurrentData();
    
    // Download, parse and fill cursor
  }

  public void onDestroy() {
    if(null != this.mCursor)
      this.mCursor.close();
  }
  
  private Cursor getCurrentData()
  {
    MatrixCursor cursor = new MatrixCursor(new String[]{"_id","name"});
    NagiosEntity newEntity = null;
    NagiosEntity current = AppFacade.GetCurrentEntity();
    
    try 
      {
      StatusFacade.downloadStatus(AppFacade.GetURL());      
      }      
      catch (Exception e) {Log.e(AppFacade.GetTag(), "Download error");}
    
    try
    {
      newEntity = XMLParser.parse(FilePathFacade.GetTempFile());
    }
    catch (Exception e) {Log.e(AppFacade.GetTag(), "Parse error during update");}        
    
    if(null != current)
      for(int i =0; i<current.getServices().length; i++)
      {
        ServiceEntity currentService = current.getServices()[i];
        if(currentService.isChecked())
        {
          // Contains the new downloaded data
          ServiceEntity newCurrentService = newEntity.getServices()[i];
          
          String service = String.format("%s: %s", currentService.getServiceDescription(), newCurrentService.getPluginOutput());
          cursor.addRow(new Object[]{new Integer(i), service});
        }
      }
    
    return cursor;
  }
}

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