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package it.niedermann.nextcloud.deck;
import android.util.Log;
import androidx.annotation.Nullable;
import java.io.PrintWriter;
import java.io.StringWriter;
public class DeckLog {
private static final String TAG = DeckLog.class.getSimpleName();
public enum Severity {
VERBOSE, DEBUG, LOG, INFO, WARN, ERROR
}
public static void verbose(String message) {
log(message, Severity.VERBOSE, 4);
}
public static void log(String message) {
log(message, Severity.DEBUG, 4);
}
public static void info(String message) {
log(message, Severity.INFO, 4);
}
public static void warn(String message) {
log(message, Severity.WARN, 4);
}
public static void error(String message) {
log(message, Severity.ERROR, 4);
}
public static void log(String message, Severity severity) {
log(message, severity, 3);
}
private static void log(String message, Severity severity, int stackTracePosition) {
final String print;
if (BuildConfig.DEBUG) {
final StackTraceElement caller = Thread.currentThread().getStackTrace()[stackTracePosition];
print = caller.getMethodName() + "() (" + caller.getFileName() + ":" + caller.getLineNumber() + ") → " + message;
} else {
print = message;
}
switch (severity) {
case VERBOSE:
Log.v(TAG, print);
break;
case DEBUG:
Log.d(TAG, print);
break;
case INFO:
Log.i(TAG, print);
break;
case WARN:
Log.w(TAG, print);
break;
case ERROR:
Log.e(TAG, print);
break;
default:
Log.v(TAG, print);
break;
}
}
public static void logError(@Nullable Throwable e) {
if (e == null) {
error("Could not log error because given error was null");
return;
}
final StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
String stacktrace = sw.toString(); // stack trace as a string
final StackTraceElement caller = Thread.currentThread().getStackTrace()[3];
final String source = caller.getMethodName() + "() (" + caller.getFileName() + ":" + caller.getLineNumber() + ") -> ";
Log.e(TAG, source + stacktrace);
}
public static void printCurrentStacktrace() {
log(getCurrentStacktrace(4));
}
public static String getCurrentStacktrace() {
return getCurrentStacktrace(4);
}
private static String getCurrentStacktrace(@SuppressWarnings("SameParameterValue") int offset) {
final StackTraceElement[] elements = Thread.currentThread().getStackTrace();
final StringBuilder buff = new StringBuilder();
for (int i = offset; i < elements.length; i++) {
final StackTraceElement s = elements[i];
buff.append("\tat ");
buff.append(s.getClassName());
buff.append(".");
buff.append(s.getMethodName());
buff.append("(");
buff.append(s.getFileName());
buff.append(":");
buff.append(s.getLineNumber());
buff.append(")\n");
}
return buff.toString();
}
}
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