LogUtil.java

package org.gulup.utils;

/**
 * @author gulup
 * @version 创建时间：2014-5-10 下午1:01:10
 * 类说明:日誌工具類
 */

import android.text.TextUtils;
import android.util.Log;

public class LogUtil {
	public static String customTagPrefix = "";

    private LogUtil() {
    }

    public static boolean allowD = true;
    public static boolean allowE = true;
    public static boolean allowI = true;
    public static boolean allowV = true;
    public static boolean allowW = true;
    public static boolean allowWtf = true;

    private static String generateTag(StackTraceElement caller) {
        String tag = "%s.%s(L:%d)";
        String callerClazzName = caller.getClassName();
        callerClazzName = callerClazzName.substring(callerClazzName.lastIndexOf(".") + 1);
        tag = String.format(tag, callerClazzName, caller.getMethodName(), caller.getLineNumber());
        tag = TextUtils.isEmpty(customTagPrefix) ? tag : customTagPrefix + ":" + tag;
        return tag;
    }

    public static CustomLogger customLogger;

    public interface CustomLogger {
        void d(String tag, String content);

        void d(String tag, String content, Throwable tr);

        void e(String tag, String content);

        void e(String tag, String content, Throwable tr);

        void i(String tag, String content);

        void i(String tag, String content, Throwable tr);

        void v(String tag, String content);

        void v(String tag, String content, Throwable tr);

        void w(String tag, String content);

        void w(String tag, String content, Throwable tr);

        void w(String tag, Throwable tr);

        void wtf(String tag, String content);

        void wtf(String tag, String content, Throwable tr);

        void wtf(String tag, Throwable tr);
    }

    public static void d(String content) {
        if (!allowD) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.d(tag, content);
        } else {
            Log.d(tag, content);
        }
    }

    public static void d(String content, Throwable tr) {
        if (!allowD) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.d(tag, content, tr);
        } else {
            Log.d(tag, content, tr);
        }
    }

    public static void e(String content) {
        if (!allowE) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.e(tag, content);
        } else {
            Log.e(tag, content);
        }
    }

    public static void e(String content, Throwable tr) {
        if (!allowE) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.e(tag, content, tr);
        } else {
            Log.e(tag, content, tr);
        }
    }

    public static void i(String content) {
        if (!allowI) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.i(tag, content);
        } else {
            Log.i(tag, content);
        }
    }

    public static void i(String content, Throwable tr) {
        if (!allowI) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.i(tag, content, tr);
        } else {
            Log.i(tag, content, tr);
        }
    }

    public static void v(String content) {
        if (!allowV) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.v(tag, content);
        } else {
            Log.v(tag, content);
        }
    }

    public static void v(String content, Throwable tr) {
        if (!allowV) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.v(tag, content, tr);
        } else {
            Log.v(tag, content, tr);
        }
    }

    public static void w(String content) {
        if (!allowW) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.w(tag, content);
        } else {
            Log.w(tag, content);
        }
    }

    public static void w(String content, Throwable tr) {
        if (!allowW) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.w(tag, content, tr);
        } else {
            Log.w(tag, content, tr);
        }
    }

    public static void w(Throwable tr) {
        if (!allowW) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.w(tag, tr);
        } else {
            Log.w(tag, tr);
        }
    }


    public static void wtf(String content) {
        if (!allowWtf) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.wtf(tag, content);
        } else {
            Log.wtf(tag, content);
        }
    }

    public static void wtf(String content, Throwable tr) {
        if (!allowWtf) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.wtf(tag, content, tr);
        } else {
            Log.wtf(tag, content, tr);
        }
    }

    public static void wtf(Throwable tr) {
        if (!allowWtf) return;
        StackTraceElement caller = OtherUtil.getCallerStackTraceElement();
        String tag = generateTag(caller);

        if (customLogger != null) {
            customLogger.wtf(tag, tr);
        } else {
            Log.wtf(tag, tr);
        }
    }
}