com.avos.avoscloud.LogUtil Maven / Gradle / Ivy

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package com.avos.avoscloud;

import java.util.Map;

import com.alibaba.fastjson.JSON;

public class LogUtil {

  private static AVLogger logger = new AVInternalLogger();

  public static void setLogInstance(AVLogger logInstance) {
    logger = logInstance;
  }

  public static void printStackTrace() {
    System.out.println("Printing stack trace:");
    StackTraceElement[] elements = Thread.currentThread().getStackTrace();
    for (int i = 1; i < elements.length; i++) {
      StackTraceElement s = elements[i];
      System.out.println("\tat " + s.getClassName() + "." + s.getMethodName()
          + "(" + s.getFileName() + ":" + s.getLineNumber() + ")");
    }
  }

  // this class only for debug @avos
  public static class avlog {
    public static boolean showAVLog = true;

    public static void i(String text) {
      if (showAVLog) {
        log.i(text);
      }
    }

    public static void i(Object o) {
      if (showAVLog) {
        log.i("" + o);
      }
    }

    public static void d(String text) {
      if (showAVLog) {
        log.d(text);
      }
    }

    public static void e(String text) {
      if (showAVLog) {
        log.e(text);
      }
    }

    public static void e(String text, Exception e) {
      if (showAVLog) {
        log.e(text, e);
      }
    }
  }

  public static class log {
    public static final boolean show = true;
    public static final String Tag = "===AVOS Cloud===";
    public static String Cname = "";
    public static String Mname = "";


    private static boolean shouldShow(int tag_level) {
      return show && ((tag_level & logger.getLogLevel()) > 0);
    }

    protected static void getTrace() {
      StackTraceElement caller = new Throwable().fillInStackTrace().getStackTrace()[2];
      String className = new StringBuilder().append(caller.getClassName()).toString();
      className = className.substring(className.lastIndexOf(".") + 1);

      Cname = className;
      Mname =
        new StringBuilder().append(caller.getMethodName() + "->" + caller.getLineNumber() + ": ")
          .toString();
    }

    // ================================================================================
    // Verbose
    // ================================================================================

    public static void v(String text) {
      if (!shouldShow(AVLogger.LOG_LEVEL_VERBOSE))
        return;

      getTrace();
      if (null == text) {
        text = "null";
      }

      logger.v(Tag, Mname + text);
    }

    // ================================================================================
    // Debug
    // ================================================================================

    public static void d(String text) {
      if (!shouldShow(AVLogger.LOG_LEVEL_DEBUG))
        return;

      getTrace();
      if (null == text) {
        text = "null";
      }

      logger.d(Tag, Cname + "->" + Mname + text);
    }

    public static void d(Map o) {
      if (!shouldShow(AVLogger.LOG_LEVEL_DEBUG))
        return;
      String text = "";
      getTrace();
      if (null == o) {
        text = "null";
      } else {
        try {
          text = JSON.toJSONString(o);
        } catch (Exception e) {

        }
      }

      logger.d(Tag, Cname + "->" + Mname + text);
    }

    public static void d(int text) {
      d("" + text);
    }

    public static void d(float text) {
      d("" + text);
    }

    public static void d(double text) {
      d("" + text);
    }

    public static void d() {
      if (!shouldShow(AVLogger.LOG_LEVEL_DEBUG))
        return;

      getTrace();
      logger.d(Tag, Tag + "->" + Mname + "");
    }

    public static void d(String Tag, String text) {
      if (!shouldShow(AVLogger.LOG_LEVEL_DEBUG))
        return;

      getTrace();
      logger.d(Tag, Cname + "->" + Mname + text);
    }

    public static void d(String text, Exception e) {
      if (!shouldShow(AVLogger.LOG_LEVEL_ERROR))
        return;
      String tmp = Cname + "->" + Mname + text + ":" + e.toString();
      logger.d(Tag, tmp);
      e.printStackTrace();
    }

    // ================================================================================
    // Info
    // ================================================================================

    public static void i(String text) {
      if (!shouldShow(AVLogger.LOG_LEVEL_INFO))
        return;

      getTrace();
      if (null == text) {
        text = "null";
      }

      logger.i(Tag, Mname + text);
    }

    // ================================================================================
    // Warning
    // ================================================================================

    public static void w(String text) {
      if (!shouldShow(AVLogger.LOG_LEVEL_WARNING))
        return;

      getTrace();
      if (null == text) {
        text = "null";
      }

      logger.w(Tag, Mname + text);
    }

    // ================================================================================
    // Error
    // ================================================================================

    public static void e(String text) {
      if (!shouldShow(AVLogger.LOG_LEVEL_ERROR))
        return;

      getTrace();
      if (null == text) {
        text = "null";
      }

      logger.e(Tag, Cname + "->" + Mname + text);
    }

    public static void e() {
      if (!shouldShow(AVLogger.LOG_LEVEL_ERROR))
        return;
      getTrace();
      logger.e(Tag, Cname + "->" + Mname + "");
    }

    public static void e(String text, Exception e) {
      if (!shouldShow(AVLogger.LOG_LEVEL_ERROR))
        return;
      String tmp = text + Mname + "err:" + e.toString();
      logger.e(Tag, tmp);
      e.printStackTrace();
    }

    public static void e(String Tag, String text) {
      if (!shouldShow(AVLogger.LOG_LEVEL_ERROR))
        return;
      getTrace();
      logger.e(Tag, Cname + "->" + Mname + text);
    }

    public static void e(String Tag, String text, Exception e) {
      if (!shouldShow(AVLogger.LOG_LEVEL_ERROR))
        return;
      getTrace();
      logger.e(Tag, Cname + "->" + Mname + text + " err:" + e.toString());
    }
  }
}