fiore@1: package uk.ac.qmul.eecs.ccmi.utilities;
fiore@1: 
fiore@1: import java.io.File;
fiore@1: import java.io.IOException;
fiore@1: import java.text.SimpleDateFormat;
fiore@1: import java.util.Date;
fiore@1: import java.util.logging.FileHandler;
fiore@1: import java.util.logging.Formatter;
fiore@1: import java.util.logging.LogRecord;
fiore@1: import java.util.logging.Logger;
fiore@1: 
fiore@1: import android.os.Environment;
fiore@1: 
fiore@1: 
fiore@1: public class ILogger {
fiore@1: 	private static final Logger LOGGER = Logger.getLogger(ILogger.class.getName());
fiore@1: 	private static final String LOG_PATH = "/Android/data/uk.ac.qmul.eecs.ccmi/files" ;
fiore@1: 	private static final String LOG_FILE = "/interaction%u.txt" ;
fiore@1: 	private static FileHandler fileHandler;
fiore@1: 	public final static int CLICK_BACK = -1;
fiore@1: 	
fiore@1: 	
fiore@1: 	private static void initHandler() throws IOException{
fiore@1: 		String state = Environment.getExternalStorageState();
fiore@1: 		if(!Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)){
fiore@1: 			throw new IOException("Could not find or write on SD Card");
fiore@1: 		}
fiore@1: 		
fiore@1: 		File logDir = new File(Environment.getExternalStorageDirectory().getAbsolutePath()+LOG_PATH);
fiore@1: 		if(!logDir.exists()){
fiore@1: 			if(!logDir.mkdirs())
fiore@1: 				throw new IOException("Could not create log file directory");
fiore@1: 		}
fiore@1: 		
fiore@1: 		fileHandler = new FileHandler(logDir.getAbsolutePath()+LOG_FILE,true);
fiore@1: 		fileHandler.setFormatter(new InteractionLogFormatter());
fiore@1: 		LOGGER.addHandler(fileHandler);		
fiore@1: 	}
fiore@1: 
fiore@1: 	
fiore@1: 	public static void log(String message) {
fiore@1: 		if(fileHandler == null){
fiore@1: 			try {
fiore@1: 				initHandler();
fiore@1: 			} catch (IOException e) {
fiore@1: 				e.printStackTrace();
fiore@1: 				throw new RuntimeException(e);	
fiore@1: 			}
fiore@1: 		}
fiore@1: 		LOGGER.info(message+"\n");
fiore@1: 	}
fiore@1: 	
fiore@1: 	public static void logTap(CharSequence item){
fiore@1: 		log("user tap on: "+ item);
fiore@1: 	}
fiore@1: 	
fiore@1: 	public static void logLongTap(CharSequence item){
fiore@1: 		log("user long tap on: "+item);
fiore@1: 	}
fiore@1: 	
fiore@1: 	public static void logDialog(CharSequence dialog){
fiore@1: 		log("display dialog: "+dialog);
fiore@1: 	}
fiore@1: 	
fiore@1: 	public static void logButton(CharSequence button){
fiore@1: 		log("user button press: "+button);
fiore@1: 	}
fiore@1: 	
fiore@1: 	public static void logActivity(CharSequence activity){
fiore@1: 		log("display: "+activity);
fiore@1: 	}
fiore@1: 	
fiore@1: 	public static void logError(String cause ){
fiore@1: 		log("error: "+cause);
fiore@1: 	}
fiore@1: 	
fiore@1: 	public static void logHover(String text){
fiore@1: 		log("user hover: "+text);
fiore@1: 	}
fiore@1: 	
fiore@1: 	public static  void dispose(){
fiore@1: 		if(fileHandler != null){
fiore@1: 			fileHandler.close();
fiore@1: 			fileHandler = null;
fiore@1: 		}
fiore@1: 	}
fiore@1: 
fiore@1: }
fiore@1: 
fiore@1: class InteractionLogFormatter extends Formatter {
fiore@1: 	private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("HH:mm:ss.SSS");
fiore@1: 	
fiore@1: 	@Override
fiore@1: 	public String format(LogRecord record) {
fiore@1: 		return DATE_FORMAT.format(new Date(record.getMillis()))+','+record.getMessage();
fiore@1: 	}
fiore@1: 	
fiore@1: }