EventBuilder.java :  » UnTagged » kyoto-gtug » org » kyotogtug » vnc » Android Open Source

package org.kyotogtug.vnc;

import org.apache.commons.codec.binary.Base64;
import org.kyotogtug.vnc.events.Event;
import org.kyotogtug.vnc.events.FileDownloadRequestEvent;
import org.kyotogtug.vnc.events.FileUploadEvent;
import org.kyotogtug.vnc.events.ImageEvent;
import org.kyotogtug.vnc.events.ImageRequestEvent;
import org.kyotogtug.vnc.events.KeyPressEvent;
import org.kyotogtug.vnc.events.KeyReleaseEvent;
import org.kyotogtug.vnc.events.MousePressEvent;
import org.kyotogtug.vnc.events.MouseReleaseEvent;
import org.kyotogtug.vnc.events.MouseMoveEvent;

/**
 * 
 * @author Kenji
 *
 */
public class EventBuilder {
  
  /** get log instance */
  private static org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory
      .getLog(EventBuilder.class);
  
  /**
   * 
   * jpeg
   * @param bytes
   * @return
   */
  public Event createImageEvent( byte[] bytes ){
    ImageEvent event = new ImageEvent();
    event.setBase64imageData(Base64.encodeBase64(bytes));
    return event;
  }
  
  
  /**
   * VncEvent
   * @param data
   * @return
   */
  public Event parseEvent( String str ){
    log.debug("parseEvent start data="+str);
    Event event = null;
    String[] data = str.split("\\|");
    
    // 
    if( data.length < 3 ){
      throw new IllegalArgumentException("invalid format!");
    }
    
    System.out.println("EventBuilder.parseEvent event="+data[0]);
    
    String eventType = data[0];
    
    // 
    if( eventType.equals(Event.HEADER_IMAGE_REQUEST ) ){
      event = new ImageRequestEvent();
      
    // Move
    }else if( eventType.equals(Event.HEADER_CURSOR_MOVE)){
      event = new MouseMoveEvent();
      MouseMoveEvent mouseMoveEvent = (MouseMoveEvent)event;
      
      String mouseMoveData = data[3];
      String[] split = mouseMoveData.split(",");
      int i = 0;
      int x = Integer.parseInt(split[ i++ ]);
      int y = Integer.parseInt(split[ i++ ]);
      
      mouseMoveEvent.setX(x);
      mouseMoveEvent.setY(y);
      
    // 
    }else if( eventType.equals(Event.HEADER_MOUSE_RELEASE ) ){
      event = new MouseReleaseEvent();
      MouseReleaseEvent mouseClickEvent = (MouseReleaseEvent)event;
      
      String mouseMoveData = data[3];
      String[] split = mouseMoveData.split(",");
      int i = 0;
      int x = Integer.parseInt(split[ i++ ]);
      int y = Integer.parseInt(split[ i++ ]);
      int button = Integer.parseInt(split[ i++ ]);
      mouseClickEvent.setX(x);
      mouseClickEvent.setY(y);
      mouseClickEvent.setButton(button);
      
    // 
    }else if( eventType.equals(Event.HEADER_MOUSE_PRESS) ){
      event = new MousePressEvent();
      MousePressEvent mousePressEvent = (MousePressEvent)event;
      
      String mouseMoveData = data[3];
      String[] split = mouseMoveData.split(",");
      int i = 0;
      int x = Integer.parseInt(split[ i++ ]);
      int y = Integer.parseInt(split[ i++ ]);
      int button = Integer.parseInt(split[ i++ ]);
      mousePressEvent.setX(x);
      mousePressEvent.setY(y);
      mousePressEvent.setButton(button);
      
    // 
    }else if( eventType.equals( Event.HEADER_KEY_PRESS )){
      event = new KeyPressEvent();
      KeyPressEvent keyPressEvent = (KeyPressEvent)event;
      String keyPressData = data[3];
      int keyCode = Integer.parseInt(keyPressData);
      keyPressEvent.setKeyCode(keyCode);
      
    // 
    }else if( eventType.equals( Event.HEADER_KEY_RELEASE )){
      event = new KeyReleaseEvent();
      KeyReleaseEvent keyReleaseEvent = (KeyReleaseEvent)event;
      String keyReleaseData = data[3];
      int keyCode = Integer.parseInt(keyReleaseData);
      keyReleaseEvent.setKeyCode(keyCode);
      
    // 
    }else if( eventType.equals(Event.HEADER_FILE_UPLOAD)){
      event = new FileUploadEvent();
      FileUploadEvent fileUploadEvent = (FileUploadEvent)event;
      data = str.split("\\|", 5);
      fileUploadEvent.setFileName(data[3]);
      String content = data[4];
      fileUploadEvent.setBase64data(content);
    // 
    }else if( eventType.equals(Event.HEADER_FILE_DOWNLOAD_REQUEST) ){
      event = new FileDownloadRequestEvent();
      
    //  !
    }else{
      log.warn("UNKOWN EVENT!! EventType="+eventType);
      event = new Event();
    }
    
    event.setEventType(data[0].trim());
    event.setSequence(getSequence(data[1]));
    event.setTimestamp(getTimestamp(data[2]));
    
    return event;
  }
  
  
  
  /**
   * 
   * -1
   * @param seq
   * @return
   */
  private int getSequence( String seq ){
    try{
      int ret = Integer.parseInt(seq);
      return ret;
    }catch ( Exception e ){
      return -1;
    }
  }
  /**
   * 
   * -1
   * @param seq
   * @return
   */
  private long getTimestamp( String val ){
    try{
      long ret = Long.parseLong(val);
      return ret;
    }catch ( Exception e ){
      return -1;
    }
  }
  

}