Android Open Source - DNP Log

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.tacitus.dnp;
//from   ww  w  .  ja v  a  2  s.c  o m
import android.support.v4.view.MotionEventCompat;
import android.view.InputDevice;
import android.view.MotionEvent;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;

/**
 * Log helpers with automatic tags generation and exception handling
 */
public class Log {
  final static int WARN = 1;
  final static int INFO = 2;
  final static int DEBUG = 3;
  final static int VERB = 4;
  final static int DEFAULT_LOG_LINE_SIZE = 512;

  static int LOG_LEVEL = VERB;



    public static void logEvent(MotionEvent event) {
        int index = MotionEventCompat.getActionIndex(event);
        for (InputDevice.MotionRange motionRange : event.getDevice().getMotionRanges()) {
            switch (motionRange.getAxis()) {
                case MotionEvent.AXIS_X:
                    Log.e("AXIS_X");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getX(index));
                    Log.e("***********************");
                    break;
                case MotionEvent.AXIS_Y:
                    Log.e("AXIS_Y");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getY(index));
                    Log.e("***********************");
                    break;
                case MotionEvent.AXIS_PRESSURE:
                    Log.e("AXIS_PRESSURE");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getPressure(index));
                    Log.e("***********************");
                    break;
                case MotionEvent.AXIS_SIZE:
                    Log.e("AXIS_SIZE");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getSize(index));
                    Log.e("***********************");
                    break;
                case MotionEvent.AXIS_TOUCH_MAJOR:
                    Log.e("AXIS_TOUCH_MAJOR");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getTouchMajor(index));
                    Log.e("***********************");
                    break;
                case MotionEvent.AXIS_TOUCH_MINOR:
                    Log.e("AXIS_TOUCH_MINOR");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getTouchMinor(index));
                    Log.e("***********************");
                    break;
                case MotionEvent.AXIS_TOOL_MAJOR:
                    Log.e("AXIS_TOOL_MAJOR");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getToolMajor(index));
                    Log.e("***********************");
                    break;
                case MotionEvent.AXIS_TOOL_MINOR:
                    Log.e("AXIS_TOOL_MINOR");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getToolMinor(index));
                    Log.e("***********************");
                    break;
                case MotionEvent.AXIS_ORIENTATION:
                    Log.e("AXIS_ORIENTATION");
                    Log.e("Max: ", motionRange.getMax());
                    Log.e("Min: ", motionRange.getMin());
                    Log.e("Current: ", event.getOrientation(index));
                    Log.e("***********************");
                    break;
            }
        }
    }


  /**
   * Error
   */
  public static void e(Object... objects) {
    int index = 0;
    String data = concatenate(objects);
    while (index < data.length()) {
      android.util.Log.e(getTag(), data.substring(index, Math.min(index + DEFAULT_LOG_LINE_SIZE, data.length())));
      index += DEFAULT_LOG_LINE_SIZE;
    }
  }

  /**
   * Warn
   */
  public static void w(Object... objects) {
    int index = 0;
    String data = concatenate(objects);
    while (index < data.length()) {
      android.util.Log.w(getTag(), data.substring(index, Math.min(index + DEFAULT_LOG_LINE_SIZE, data.length())));
      index += DEFAULT_LOG_LINE_SIZE;
    }
  }

  /**
   * Info
   */
  public static void i(Object... objects) {
    if (LOG_LEVEL >= INFO) {
      int index = 0;
      String data = concatenate(objects);
      while (index < data.length()) {
        android.util.Log.i(getTag(), data.substring(index, Math.min(index + DEFAULT_LOG_LINE_SIZE, data.length())));
        index += DEFAULT_LOG_LINE_SIZE;
      }
    }
  }

  /**
   * Debug
   */
  public static void d(Object... objects) {
    if (LOG_LEVEL >= DEBUG) {
      int index = 0;
      String data = concatenate(objects);
      while (index < data.length()) {
        android.util.Log.d(getTag(), data.substring(index, Math.min(index + DEFAULT_LOG_LINE_SIZE, data.length())));
        index += DEFAULT_LOG_LINE_SIZE;
      }
    }
  }

  /**
   * Verbose
   */
  public static void v(Object... objects) {
    if (LOG_LEVEL >= VERB) {
      int index = 0;
      String data = concatenate(objects);
      while (index < data.length()) {
        android.util.Log.v(getTag(), data.substring(index, Math.min(index + DEFAULT_LOG_LINE_SIZE, data.length())));
        index += DEFAULT_LOG_LINE_SIZE;
      }
    }
  }

  private static String getTag() {
    StackTraceElement frame = Thread.currentThread().getStackTrace()[4];

    return frame.getClassName() + ':' + frame.getLineNumber();
  }

  private static String concatenate(Object... objects) {
    StringBuilder builder = new StringBuilder();
    for (Object o : objects) {
      if (o instanceof Exception) {
        ByteArrayOutputStream stream = new ByteArrayOutputStream();
        ((Exception) o).printStackTrace(new PrintStream(stream));
        if (builder.length() != 0) {
          builder.append('\n');
        }
        builder.append(stream);
      } else {
        builder.append(o);
      }
    }
    return builder.toString();
  }
}

Java Source Code List

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