source: trunk/JFCMonitor/src/de/ugoe/cs/eventbench/jfcmonitor/JFCListener.java @ 268

package de.ugoe.cs.eventbench.jfcmonitor;

import java.awt.AWTEvent;
import java.awt.event.AWTEventListener;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import javax.swing.JComponent;

public class JFCListener implements AWTEventListener {

        final static String ENDLINE = System.getProperty("line.separator"); 
        
        final OutputStreamWriter outputWriter;
        
        public JFCListener(OutputStreamWriter outputWriter) {
                this.outputWriter = outputWriter;
        }
        
        @Override
        public void eventDispatched(AWTEvent event) {
                StringBuilder builder = new StringBuilder();
                                
                if( event instanceof MouseEvent ) {
                        MouseEvent mouseEvent = (MouseEvent) event;
                        if( !isMouseMovement(event.getID()) ) {
                                builder.append("<event id=\"" + event.getID() + "\">" + ENDLINE);
                                builder.append(" <param name=\"X\" value=\"" + mouseEvent.getX() + "\" />" + ENDLINE);
                                builder.append(" <param name=\"Y\" value=\"" + mouseEvent.getY() + "\" />" + ENDLINE);
                                builder.append(" <param name=\"Button\" value=\"" + mouseEvent.getButton() + "\" />" + ENDLINE);
                                builder.append(" <param name=\"Modifiers\" value=\"" + mouseEvent.getModifiers() + "\" />" + ENDLINE);
                                addSourceInfo(builder, event);
                                builder.append("</event>" + ENDLINE);
                        }
                }
                if( event instanceof KeyEvent ) {
                        KeyEvent keyEvent = (KeyEvent) event;
                        if( keyEvent.getID()==KeyEvent.KEY_TYPED ) {
                                builder.append("<event id=\"" + event.getID() + "\">" + ENDLINE);
                                builder.append(" <param name=\"KeyCode\" value=\"" + keyEvent.getKeyCode() + "\" />" + ENDLINE);
                                builder.append(" <param name=\"Modifiers\" value=\"" + keyEvent.getModifiers() + "\" />" + ENDLINE);
                                addSourceInfo(builder, event);
                                builder.append("</event>" + ENDLINE);
                        }
                }
                if( builder.length()>0 && outputWriter!=null ) {
                        try {
                                outputWriter.write(builder.toString());
                                outputWriter.flush();
                        } catch (IOException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                        }
                }
        }
        
        private void addSourceInfo(StringBuilder builder, AWTEvent event) {
                builder.append(" <param name=\"Source\" value=\"" + event.getSource().toString() + "\" />" + ENDLINE);
                if( event.getSource() instanceof JComponent ) {
                        JComponent source = (JComponent) event.getSource();
                        builder.append(" <param name=\"SourceName\" value=\"" + source.getName() + "\" />" + ENDLINE);
                        for(Method method : source.getClass().getMethods() ) {
                                try {
                                        if( method.getName()=="getText" ) {
                                                String text = (String) method.invoke(source, new Object[]{});
                                                builder.append(" <param name=\"SourceText\" value=\"" + text + "\" />" + ENDLINE);
                                        }
                                        if( method.getName()=="getTitle" ) {
                                                String title = (String) method.invoke(source, new Object[]{});
                                                builder.append(" <param name=\"SourceTitle\" value=\"" + title + "\" />" + ENDLINE);
                                        }
                                } catch (IllegalArgumentException e) {
                                } catch (IllegalAccessException e) {
                                } catch (InvocationTargetException e) {
                                }
                        }
                        /* TODO should include info about parent
                        builder.append(" <param name=\"Parent\" value=\"" + source.getParent().toString() + "\" />" + ENDLINE);
                        builder.append(" <param name=\"ParentName\" value=\"" + source.getParent().getName() + "\" />" + ENDLINE);
                        */
                }
        }
        
        private boolean isMouseMovement(int eventId) {
                return eventId==MouseEvent.MOUSE_MOVED || eventId==MouseEvent.MOUSE_DRAGGED || eventId==MouseEvent.MOUSE_ENTERED || eventId==MouseEvent.MOUSE_EXITED;
        }

}