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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| package it.ipzs.cieid; | ||
|
|
||
| import java.nio.charset.StandardCharsets; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
| import java.nio.file.StandardOpenOption; | ||
| import java.time.OffsetDateTime; | ||
| import java.time.ZoneOffset; | ||
| import java.time.format.DateTimeFormatter; | ||
|
|
||
| public class Logger { | ||
|
|
||
| public enum LogLevel { | ||
| NONE, | ||
| DEBUG, | ||
| INFO, | ||
| ERROR; | ||
|
|
||
| public static Logger.LogLevel getLevelFromInteger(Integer value) { | ||
| LogLevel logLevel = Logger.defaultLogLevel; | ||
| switch (value) { | ||
| case 0: | ||
| logLevel = NONE; | ||
| break; | ||
| case 1: | ||
| logLevel = DEBUG; | ||
| break; | ||
| case 2: | ||
| logLevel = INFO; | ||
| break; | ||
| case 3: | ||
| logLevel = ERROR; | ||
| break; | ||
| default: | ||
| throw new IllegalArgumentException("Integer value out of range"); | ||
| } | ||
| return logLevel; | ||
| } | ||
| } | ||
|
|
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| public static LogLevel defaultLogLevel = LogLevel.ERROR; | ||
|
|
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| private LogLevel level; | ||
| private static Logger Instance; | ||
|
|
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| private Logger() {} | ||
|
|
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| private Logger(LogLevel logLevel) { | ||
| setLevel(logLevel); | ||
| } | ||
|
|
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| private void Log(String message, LogLevel messageLevel) { | ||
| if (level.compareTo(LogLevel.NONE) > 0 && (level.compareTo(messageLevel) <= 0)) { | ||
| Write(message); | ||
| } | ||
| } | ||
|
|
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| private void Write(String message) { | ||
| OffsetDateTime currentOffsetDateTime = OffsetDateTime.now(ZoneOffset.UTC); | ||
|
|
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| String currentDate = currentOffsetDateTime.format(DateTimeFormatter.ISO_LOCAL_DATE); | ||
| String logFileName = String.format("CIEID_%s.log", currentDate); | ||
| Path logFilePath = Paths.get(System.getProperty("user.home"), ".CIEPKI", logFileName); | ||
|
|
||
| String currentTimestamp = | ||
| currentOffsetDateTime.format( | ||
| DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS")); | ||
| String timestampedMessage = String.format("%s %s\n", currentTimestamp, message); | ||
|
|
||
| try { | ||
| Files.write( | ||
| logFilePath, | ||
| timestampedMessage.getBytes(StandardCharsets.UTF_8), | ||
| StandardOpenOption.APPEND, | ||
| StandardOpenOption.CREATE); | ||
| } catch (Exception exception) { | ||
| System.out.print("Exception at Logger.Write() - message: " + timestampedMessage); | ||
| } | ||
| } | ||
|
|
||
| public static Logger getInstance() { | ||
| return getInstance(defaultLogLevel); | ||
| } | ||
|
|
||
| public static Logger getInstance(LogLevel logLevel) { | ||
| if (Instance == null) { | ||
| Instance = new Logger(logLevel); | ||
| } | ||
| return Instance; | ||
| } | ||
|
|
||
| public void Debug(String message) { | ||
| Log(String.format("[D] %s", message), LogLevel.DEBUG); | ||
| } | ||
|
|
||
| public void Info(String message) { | ||
| Log(String.format("[I] %s", message), LogLevel.INFO); | ||
| } | ||
|
|
||
| public void Error(String message) { | ||
| Log(String.format("[E] %s", message), LogLevel.ERROR); | ||
| } | ||
|
|
||
| public void setLevel(LogLevel level) { | ||
| this.level = level; | ||
| } | ||
|
|
||
| public LogLevel getLevel() { | ||
| return this.level; | ||
| } | ||
| } |
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