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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2006 by STZ-IDA, Germany, http://www.stz-ida.de
License:
LGPL 2.1: http://www.gnu.org/licenses/lgpl.html
Authors:
* Til Schneider (til132)
************************************************************************ */
/* ************************************************************************
#module(core)
#module(log)
************************************************************************ */
/**
* An appender. Does the actual logging.
*/
qx.OO.defineClass("qx.dev.log.Appender", qx.dev.log.LogEventProcessor,
function() {
qx.dev.log.LogEventProcessor.call(this);
});
/** Whether the logger name and log level should be included in the formatted log message. */
qx.OO.addProperty({ name:"useLongFormat", type:"boolean", defaultValue:true, allowNull:false });
// overridden
qx.Proto.handleLogEvent = function(evt) {
if (this.decideLogEvent(evt) != qx.dev.log.Filter.DENY) {
this.appendLogEvent(evt);
}
}
/**
* Appends a log event to the log.
*
* @param evt {Map} The event to append.
*/
qx.Proto.appendLogEvent = function(evt) {
throw new Error("appendLogEvent is abstract");
}
/**
* Formats a log event.
*
* @param evt {Map} The log event to format.
* @return {string} The formatted event.
*/
qx.Proto.formatLogEvent = function(evt) {
var Logger = qx.dev.log.Logger;
var text = "";
// Append the time stamp
var time = new String(new Date().getTime() - qx._LOADSTART);
while (time.length < 6) {
time = "0" + time;
}
text += time;
// Append the level
if (this.getUseLongFormat()) {
switch (evt.level) {
case Logger.LEVEL_DEBUG: text += " DEBUG: "; break;
case Logger.LEVEL_INFO: text += " INFO: "; break;
case Logger.LEVEL_WARN: text += " WARN: "; break;
case Logger.LEVEL_ERROR: text += " ERROR: "; break;
case Logger.LEVEL_FATAL: text += " FATAL: "; break;
}
} else {
text += ": ";
}
// Append the indent
var indent = "";
for (var i = 0; i < evt.indent; i++) {
indent += " ";
}
text += indent;
// Append the logger name and instance
if (this.getUseLongFormat()) {
text += evt.logger.getName();
if (evt.instanceId != null) {
text += "[" + evt.instanceId + "]";
}
text += ": ";
}
// Append the message
if (typeof evt.message == "string") {
text += evt.message;
} else {
// The message is an object -> Log a dump of the object
var obj = evt.message;
if (obj == null) {
text += "Object is null";
} else {
text += "--- Object: " + obj + " ---\n";
var attrArr = new Array();
try {
for (var attr in obj) {
attrArr.push(attr);
}
} catch (exc) {
text += indent + " [not readable: " + exc + "]\n";
}
attrArr.sort();
for (var i = 0; i < attrArr.length; i++) {
try {
text += indent + " " + attrArr[i] + "=" + obj[attrArr[i]] + "\n";
}
catch (exc) {
text += indent + " " + attrArr[i] + "=[not readable: " + exc + "]\n";
}
}
text += indent + "--- End of object ---";
}
}
// Append the throwable
if (evt.throwable != null) {
var thr = evt.throwable;
if (thr.name == null) {
text += ": " + thr;
} else {
text += ": " + thr.name;
}
if (thr.message != null) {
text += " - " + thr.message;
}
if (thr.number != null) {
text += " (#" + thr.number + ")";
}
if (thr.stack != null) {
text += "\n" + this._beautyStackTrace(thr.stack);
}
}
return text;
}
/**
* Beautifies a stack trace.
*
* @param stack {string} the stack trace to beautify.
* @return {string} the beautified stack trace.
*/
qx.Proto._beautyStackTrace = function(stack) {
// e.g. "()@http://localhost:8080/webcomponent-test-SNAPSHOT/webcomponent/js/com/ptvag/webcomponent/common/log/Logger:253"
var lineRe = /@(.+):(\d+)$/gm;
var hit;
var out = "";
var scriptDir = "/script/";
while ((hit = lineRe.exec(stack)) != null) {
var url = hit[1];
var jsPos = url.indexOf(scriptDir);
var className = (jsPos == -1) ? url : url.substring(jsPos + scriptDir.length).replace(/\//g, ".");
var lineNumber = hit[2];
out += " at " + className + ":" + lineNumber + "\n";
}
return out;
}
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