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@file:Suppress("NOTHING_TO_INLINE")
package ca.allanwang.kau.logging
import android.os.Looper
import android.util.Log
/**
* Created by Allan Wang on 2017-05-28.
*
* Base logger class with a predefined tag
* This may be extended by an object to effectively replace [Log]
*/
open class KauLogger(val tag: String) {
open var enabled = true
open var showPrivateText = false
open var messageJoiner: (msg: String, privMsg: String) -> String = { msg, privMsg -> "$msg: $privMsg" }
/**
* Filter pass-through to decide what we wish to log
* By default, we will ignore verbose and debug logs
* @returns {@code true} to log the message, {@code false} to ignore
*/
open var filter: (Int) -> Boolean = { it != Log.VERBOSE && it != Log.DEBUG }
open fun disable(disable: Boolean = true): KauLogger {
enabled = !disable
return this
}
open fun debug(enable: Boolean) {
filter = if (enable) { _ -> true } else { i -> i != Log.VERBOSE && i != Log.DEBUG }
showPrivateText = enable
}
open fun log(priority: Int, message: String?, privateMessage: String?, t: Throwable? = null) {
if (!shouldLog(priority, message, privateMessage, t)) return
logImpl(priority, message, privateMessage, t)
}
protected open fun shouldLog(priority: Int, message: String?, privateMessage: String?, t: Throwable?): Boolean
= enabled && filter(priority)
protected open fun logImpl(priority: Int, message: String?, privateMessage: String?, t: Throwable?) {
val text = if (showPrivateText) {
if (message == null) privateMessage
else if (privateMessage == null) message
else messageJoiner(message, privateMessage)
} else message
if (t != null) Log.e(tag, text ?: "Error", t)
else if (!text.isNullOrBlank()) Log.println(priority, tag, text)
}
open fun v(text: String?, privateText: String? = null) = log(Log.VERBOSE, text, privateText)
open fun d(text: String?, privateText: String? = null) = log(Log.DEBUG, text, privateText)
open fun i(text: String?, privateText: String? = null) = log(Log.INFO, text, privateText)
open fun e(text: String?, privateText: String? = null) = log(Log.ERROR, text, privateText)
open fun a(text: String?, privateText: String? = null) = log(Log.ASSERT, text, privateText)
open fun e(t: Throwable?, text: String?, privateText: String? = null) = log(Log.ERROR, text, privateText, t)
open fun eThrow(text: String?) {
if (text != null)
e(Throwable(text), text)
}
/**
* Log the looper
*/
open fun checkThread(id: Int) {
val name = Thread.currentThread().name
val status = if (Looper.myLooper() == Looper.getMainLooper()) "is" else "is not"
d("$id $status in the main thread - thread name: $name")
}
}
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