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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* This is a JavaScript module (JSM) to be imported via
Components.utils.import() and acts as a singleton.
Only the following listed symbols will exposed on import, and only when
and where imported. */
var EXPORTED_SYMBOLS = ["Logger"];
const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
var Logger = {
_foStream: null,
_converter: null,
_potentialError: null,
init: function (path) {
if (this._converter != null) {
// we're already open!
return;
}
let prefs = Cc["@mozilla.org/preferences-service;1"]
.getService(Ci.nsIPrefBranch);
if (path) {
prefs.setCharPref("tps.logfile", path);
}
else {
path = prefs.getCharPref("tps.logfile");
}
this._file = Cc["@mozilla.org/file/local;1"]
.createInstance(Ci.nsILocalFile);
this._file.initWithPath(path);
var exists = this._file.exists();
// Make a file output stream and converter to handle it.
this._foStream = Cc["@mozilla.org/network/file-output-stream;1"]
.createInstance(Ci.nsIFileOutputStream);
// If the file already exists, append it, otherwise create it.
var fileflags = exists ? 0x02 | 0x08 | 0x10 : 0x02 | 0x08 | 0x20;
this._foStream.init(this._file, fileflags, 0666, 0);
this._converter = Cc["@mozilla.org/intl/converter-output-stream;1"]
.createInstance(Ci.nsIConverterOutputStream);
this._converter.init(this._foStream, "UTF-8", 0, 0);
},
write: function (data) {
if (this._converter == null) {
Cu.reportError(
"TPS Logger.write called with _converter == null!");
return;
}
this._converter.writeString(data);
},
close: function () {
if (this._converter != null) {
this._converter.close();
this._converter = null;
this._foStream = null;
}
},
AssertTrue: function(bool, msg, showPotentialError) {
if (bool) {
return;
}
if (showPotentialError && this._potentialError) {
msg += "; " + this._potentialError;
this._potentialError = null;
}
throw new Error("ASSERTION FAILED! " + msg);
},
AssertFalse: function(bool, msg, showPotentialError) {
return this.AssertTrue(!bool, msg, showPotentialError);
},
AssertEqual: function(val1, val2, msg) {
if (val1 != val2)
throw new Error("ASSERTION FAILED! " + msg + "; expected " +
JSON.stringify(val2) + ", got " + JSON.stringify(val1));
},
log: function (msg, withoutPrefix) {
dump(msg + "\n");
if (withoutPrefix) {
this.write(msg + "\n");
}
else {
function pad(n, len) {
let s = "0000" + n;
return s.slice(-len);
}
let now = new Date();
let year = pad(now.getFullYear(), 4);
let month = pad(now.getMonth() + 1, 2);
let day = pad(now.getDate(), 2);
let hour = pad(now.getHours(), 2);
let minutes = pad(now.getMinutes(), 2);
let seconds = pad(now.getSeconds(), 2);
let ms = pad(now.getMilliseconds(), 3);
this.write(year + "-" + month + "-" + day + " " +
hour + ":" + minutes + ":" + seconds + "." + ms + " " +
msg + "\n");
}
},
clearPotentialError: function() {
this._potentialError = null;
},
logPotentialError: function(msg) {
this._potentialError = msg;
},
logLastPotentialError: function(msg) {
var message = msg;
if (this._potentialError) {
message = this._poentialError;
this._potentialError = null;
}
this.log("CROSSWEAVE ERROR: " + message);
},
logError: function (msg) {
this.log("CROSSWEAVE ERROR: " + msg);
},
logInfo: function (msg, withoutPrefix) {
if (withoutPrefix)
this.log(msg, true);
else
this.log("CROSSWEAVE INFO: " + msg);
},
logPass: function (msg) {
this.log("CROSSWEAVE TEST PASS: " + msg);
},
};
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