LogUtil.java

package com.huxq17.swipecardsview;

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

/**
 * Log工具，类似android.util.Log。
 * tag自动产生，格式: customTagPrefix:className.methodName(L:lineNumber),
 * customTagPrefix为空时只输出：className.methodName(L:lineNumber)。
 * <p/>
 * Author: wyouflf
 * Date: 13-7-24
 * Time: 下午12:23
 */
public class LogUtil {

    public static String customTagPrefix = "";

    private LogUtil() {
    }

    public static void enable(boolean anble) {
        allowD = anble;
        allowE = anble;
        allowI = anble;
        allowV = anble;
        allowW = anble;
        allowWtf = anble;
    }

    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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = getCallerStackTraceElement();
        String tag = generateTag(caller);

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

    public static StackTraceElement getCallerStackTraceElement() {
        return Thread.currentThread().getStackTrace()[4];
    }
}