ILogHandler

Description

Interface for custom log handler implementation.

ILogHandler interface to ease unit-testing and mocking of loggers.

#pragma strict
public class MyFileLogHandler implements ILogHandler {
	private var m_FileStream: FileStream;
	private var m_StreamWriter: StreamWriter;
	private var m_DefaultLogHandler: ILogHandler = Debug.logger.logHandler;
	MyFileLogHandler {
		var filePath: String = Application.persistentDataPath + "/MyLogs.txt";
		m_FileStream = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite);
		m_StreamWriter = new StreamWriter(m_FileStream);
		// Replace the default debug log handler
		Debug.logger.logHandler = this;
	}
	public function LogFormat(logType: LogType, context: UnityEngine.Object, format: String, args: Object[]) {
		m_StreamWriter.WriteLine(String.Format(format, args));
		m_StreamWriter.Flush();
		m_DefaultLogHandler.LogFormat(logType, context, format, args);
	}
	public function LogException(exception: Exception, context: UnityEngine.Object) {
		m_DefaultLogHandler.LogException(exception, context);
	}
}
public class MyGameClass extends MonoBehaviour {
	private static var logger: ILogger = Debug.logger;
	private static var kTAG: String = "MyGameTag";
	private var myFileLogHandler: MyFileLogHandler;
	function Start() {
		myFileLogHandler = new MyFileLogHandler();
		logger.Log(kTAG, "MyGameClass Start.");
	}
}

using UnityEngine;
using System.Collections;
using System.IO;
using System;

public class MyFileLogHandler : ILogHandler
{
    private FileStream m_FileStream;
    private StreamWriter m_StreamWriter;
    private ILogHandler m_DefaultLogHandler = Debug.logger.logHandler;

    public MyFileLogHandler()
    {
        string filePath = Application.persistentDataPath + "/MyLogs.txt";

        m_FileStream = new FileStream (filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite);
        m_StreamWriter = new StreamWriter (m_FileStream);

        // Replace the default debug log handler
        Debug.logger.logHandler = this;
    }

    public void LogFormat (LogType logType, UnityEngine.Object context, string format, params object[] args)
    {
        m_StreamWriter.WriteLine ( String.Format (format, args) );
        m_StreamWriter.Flush ();
        m_DefaultLogHandler.LogFormat (logType, context, format, args);
    }

    public void LogException (Exception exception, UnityEngine.Object context)
    {
        m_DefaultLogHandler.LogException (exception, context);
    }
}

public class MyGameClass : MonoBehaviour {
    private static ILogger logger = Debug.logger;
    private static string kTAG = "MyGameTag";
    private MyFileLogHandler myFileLogHandler;

    void Start() {
        myFileLogHandler = new MyFileLogHandler();

        logger.Log(kTAG, "MyGameClass Start.");
    }
}

Public Functions