Android Open Source - SysAdmin-Nagios-Client Check Server Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.SysAdmin.Activity;
/*w  w  w. j  a v  a 2s  .  c  o  m*/
import com.SysAdmin.AppFacade;
import com.SysAdmin.FilePathFacade;
import com.SysAdmin.R;
import com.SysAdmin.EventListener.EventListener_Server;
import com.SysAdmin.FileDialog.FileDialog;
import com.SysAdmin.Filter.FilterList;
import com.SysAdmin.Nagios.XMLParser;
import com.SysAdmin.Nagios.Entity.NagiosEntity;
// android
import android.app.Activity;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

/**
 * @author Lukas Bernreiter
 * @author Thomas Weber
 * @version 0.5, 22/02/2012
 * @since 0.1
 */
public class CheckServerActivity extends Activity {
  
  // Objects
  private EventListener_Server mEventListener_Configuration_Server = null;
  private Integer mAppWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
  private NagiosEntity mNagiosEntity = null;
  
  // Constructor
  public CheckServerActivity()
  {
    super();
  }
  
  /** Called when the activity is first created. */
  public void onCreate(Bundle _icicle)
  {
    super.onCreate(_icicle);
    
    // set layout
    this.setContentView(R.layout.configuration);
      
    // set result to canceled
    // in case the user cancels the process
    this.setResult(Activity.RESULT_CANCELED);

    this.getWidgetId();
    
    this.initializeObjects();
    
    this.setUrl("http://");
    
  }
  
  /** Initializes every object of the main configuration activity */
  private void initializeObjects()
  {
    // set events
    this.mEventListener_Configuration_Server = new EventListener_Server(this);
    this.mEventListener_Configuration_Server.setEvents();
  }
  
  /** Retrieves the application's widget id */
  private void getWidgetId()
  {    
    Bundle extras = this.getIntent().getExtras();
        if (null != extras)
    
          this.mAppWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID,
                            AppWidgetManager.INVALID_APPWIDGET_ID);
    
        // set the new id
    try{
      AppFacade.SetAppWidgetId(this.mAppWidgetId);
    }catch(Exception _e)
    {
      Log.e(AppFacade.GetTag(), _e.getMessage());
      this.finish();
    }
  }
  
  public boolean onCreateOptionsMenu(Menu _menu){
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.main_menu, _menu);
    return true;
  }
  
  /** Called whenever a menu item gets clicked */
  @Override
  public boolean onOptionsItemSelected(MenuItem _item)
  {
      switch (_item.getItemId()) {
        
        // start the next activity
          case R.id.menuItemNext:
            
            AppFacade.setFilterList(new FilterList());
            AppFacade.getFilterList().setHostName(this.getHostName());
            AppFacade.getFilterList().setUrl(this.getURL());            
            
            try 
            {
              this.mNagiosEntity = XMLParser.parse(FilePathFacade.GetTempFile());
            }
            
            catch (Exception e) 
            {
              Log.e(AppFacade.GetTag(), "Unable to parse xml file");
            }
            
            if(this.mNagiosEntity == null)
              return false;
            
            AppFacade.SetCurrentEntity(this.mNagiosEntity);
            AppFacade.SetHostname(this.getHostName());
            AppFacade.SetURL(this.getUrl());
            
            
            Intent intent = new Intent(this, FilterActivity.class);
                    
        this.startActivityForResult(intent, AppFacade.GetConfigureRequestCode());
              break;
              
          case R.id.menuItemLoad:
            this.loadFile();
            break;
          
          case R.id.menuItemAbort:
            this.finish();
            break;
              
          default:
              return super.onOptionsItemSelected(_item);              
      }
      
      return true;
  }
  
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    Log.d(AppFacade.GetTag(), "Result received");
    if (resultCode == RESULT_OK)
    {

      if(requestCode == AppFacade.REQEUST_LOAD)
      {
        String path = data.getStringExtra(FileDialog.RESULT_PATH);

        if(AppFacade.getFilterList() != null)
        {
          try {
            AppFacade.getFilterList().deserialize(path);
          } catch (Exception e) {
            
          }
        }
        
        this.setHostName(AppFacade.getFilterList().getHostName());
        this.setUrl(AppFacade.getFilterList().getUrl());
      }
      
      else
        this.createWidget();
      
    }
    }
  
  private void createWidget()
  {
    Context context = this.getApplicationContext();      
    AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
    
    appWidgetManager.notifyAppWidgetViewDataChanged(this.mAppWidgetId, R.id.listView_Status_List);
    
    Intent resultValue = new Intent();      
    resultValue.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, AppFacade.GetAppWidgetId());      
    this.setResult(Activity.RESULT_OK, resultValue);      
    this.finish();
  }
  
  /**
   * Returns the check button
   * @return the button used for checking the URL
   * @see android.widget.Button
   */
  public Button getButtonCheck(){ return (Button)this.findViewById(R.id.ButtonCheck);}

  /**
   * Retrieves the content of the URL EditText.
   * @return the content as string.
   * @see java.lang.String
   */
  public String getURL(){return ((EditText) this.findViewById(R.id.EditTextUrl)).getText().toString();}
  
  public void setDisplayResult(Boolean _result){this.setTextViewResult(_result); }
  
  private void setTextViewResult(Boolean _result)
  {
    if(_result)
    {
      ((TextView)this.findViewById(R.id.textView_Result)).setText("OK");
      ((TextView)this.findViewById(R.id.textView_Result)).setTextColor(Color.GREEN);
    }
    else
    {
      ((TextView)this.findViewById(R.id.textView_Result)).setText("Failure");
      ((TextView)this.findViewById(R.id.textView_Result)).setTextColor(Color.RED);
    }
  }
  
  private String getHostName(){return ((EditText)this.findViewById(R.id.editText_Host)).getText().toString();}
  
  private void setHostName(String _hostname){((EditText)this.findViewById(R.id.editText_Host)).setText(_hostname);}
  
  private void setUrl(String _url){((EditText)this.findViewById(R.id.EditTextUrl)).setText(_url);}
  private String getUrl(){return ((EditText)this.findViewById(R.id.EditTextUrl)).getText().toString();}
  
  private void loadFile()
  {
    Intent intent = new Intent(getBaseContext(), FileDialog.class);
        intent.putExtra(FileDialog.START_PATH, "/sdcard/SysAdmin");
        
        //can user select directories or not
        intent.putExtra(FileDialog.CAN_SELECT_DIR, true);
        
        //alternatively you can set file filter
        //intent.putExtra(FileDialog.FORMAT_FILTER, new String[] { "png" });
        
        startActivityForResult(intent, AppFacade.REQEUST_LOAD);
  }
}

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