Logger = function() {
// Declare public instance variable(s)
this.className = "";
this.doLogging = function(messageToPrint, severity) {
if (!Logger.debugWindow || Logger.debugWindow.closed) {
var oWindow = window.open("", null, "width=1000,height=400,scrollbars=yes,resizable=yes,status=no,location=no,menubar=no,toolbar=no");
if (!oWindow) {
return;
}
var oDocument = oWindow.document;
oDocument.write("Debug Log");
oDocument.close();
Logger.debugWindow = oWindow;
}
var logLine = Logger.debugWindow.document.createElement("div");
logLine.style.whiteSpace = "nowrap";
var fontColor = "black";
var severityName = "";
if (severity == Logger.DEBUG) {
fontColor = "lightgreen";
severityName = "DEBUG";
} else if (severity == Logger.LOG) {
fontColor = "blue";
severityName = "LOG";
} else if (severity == Logger.INFO) {
fontColor = "green";
severityName = "INFO";
} else if (severity == Logger.WARNING) {
fontColor = "orange";
severityName = "WARN";
} else if (severity == Logger.ERROR) {
fontColor = "red";
severityName = "ERROR";
}
var currentTime = new Date();
var year = (currentTime.getFullYear() + "").padLeft(4, "0");
var month = (currentTime.getMonth() + 1 + "").padLeft(2, "0");
var day = (currentTime.getDate() + "").padLeft(2, "0");
var hour = (currentTime.getHours() + "").padLeft(2, "0");
var minute = (currentTime.getMinutes() + "").padLeft(2, "0");
var second = (currentTime.getSeconds() + "").padLeft(2, "0");
var milliSecond = (currentTime.getMilliseconds() + "").padLeft(3, "0");
severityName = severityName.padRight(5, " ");
var formattedDate = year + "." + month + "." + day + " " + hour + ":" + minute + ":" + second + ":" + milliSecond;
logLine.innerHTML = "" + formattedDate + " - " + severityName + " - " + this.className + " - " + messageToPrint + "";
Logger.debugWindow.document.body.appendChild(logLine);
};
this.debug = function(messageToPrint) {
if (Logger.logLevels[this.className]) {
if (Logger.logLevels[this.className] <= Logger.DEBUG) {
this.doLogging(" " + messageToPrint, Logger.DEBUG);
}
}
};
this.log = function(messageToPrint) {
if (Logger.logLevels[this.className]) {
if (Logger.logLevels[this.className] <= Logger.LOG) {
this.doLogging(" " + messageToPrint, Logger.LOG);
}
}
};
this.info = function(messageToPrint) {
if (Logger.logLevels[this.className]) {
if (Logger.logLevels[this.className] <= Logger.INFO) {
this.doLogging(messageToPrint, Logger.INFO);
}
}
};
this.warn = function(messageToPrint) {
if (Logger.logLevels[this.className]) {
if (Logger.logLevels[this.className] <= Logger.WARNING) {
this.doLogging(messageToPrint, Logger.WARNING);
}
}
};
this.error = function(messageToPrint) {
if (Logger.logLevels[this.className]) {
if (Logger.logLevels[this.className] <= Logger.ERROR) {
this.doLogging(messageToPrint, Logger.ERROR);
}
}
};
this.enter = function(methodName) {
this.log(methodName + " was called.")
};
this.complete = function(methodName) {
this.log(methodName + " completed successfully.")
};
};
// Declare static variable(s)
Logger.logLevels = new Object();
Logger.debugWindow;
// Declare default logLevels interpreded as contants
Logger.DEBUG = 10;
Logger.LOG = 20;
Logger.INFO = 30;
Logger.WARNING = 40;
Logger.ERROR = 50;
Logger.NONE = 60;
Logger.DEFAULT_LOG_LEVEL = Logger.NONE;
// Declare custom log levels for classes
Logger.customLevel = new Object();
Logger.customLevel["ImageUtil"] = Logger.NONE;
Logger.customLevel["Animation"] = Logger.NONE;
Logger.customLevel["Iframe"] = Logger.NONE;
// Declare static functions
Logger.getLogger = function(className) {
var logger = new Logger();
if (!Logger.logLevels[className]) {
if (Logger.customLevel[className]) {
Logger.logLevels[className] = Logger.customLevel[className];
} else {
Logger.logLevels[className] = Logger.DEFAULT_LOG_LEVEL;
}
}
logger.className = className;
return logger;
}