1 files changed, 91 insertions, 0 deletions
diff --git a/vnfmarket/src/main/webapp/vnfmarket/node_modules/log4js/lib/streams/DateRollingFileStream.js b/vnfmarket/src/main/webapp/vnfmarket/node_modules/log4js/lib/streams/DateRollingFileStream.js
new file mode 100644
index 00000000..5ef2081f
--- /dev/null
+++ b/vnfmarket/src/main/webapp/vnfmarket/node_modules/log4js/lib/streams/DateRollingFileStream.js
@@ -0,0 +1,91 @@
+"use strict";
+var BaseRollingFileStream = require('./BaseRollingFileStream')
+, debug = require('../debug')('DateRollingFileStream')
+, format = require('../date_format')
+, fs = require('fs')
+, util = require('util');
+
+module.exports = DateRollingFileStream;
+
+function findTimestampFromFileIfExists(filename, now) {
+  return fs.existsSync(filename) ? fs.statSync(filename).mtime : new Date(now());
+}
+
+function DateRollingFileStream(filename, pattern, options, now) {
+  debug("Now is " + now);
+  if (pattern && typeof(pattern) === 'object') {
+    now = options;
+    options = pattern;
+    pattern = null;
+  }
+  this.pattern = pattern || '.yyyy-MM-dd';
+  this.now = now || Date.now;
+  this.lastTimeWeWroteSomething = format.asString(
+    this.pattern,
+    findTimestampFromFileIfExists(filename, this.now)
+  );
+
+  this.baseFilename = filename;
+  this.alwaysIncludePattern = false;
+
+  if (options) {
+    if (options.alwaysIncludePattern) {
+      this.alwaysIncludePattern = true;
+      filename = this.baseFilename + this.lastTimeWeWroteSomething;
+    }
+    delete options.alwaysIncludePattern;
+    if (Object.keys(options).length === 0) {
+      options = null;
+    }
+  }
+  debug("this.now is " + this.now + ", now is " + now);
+
+  DateRollingFileStream.super_.call(this, filename, options);
+}
+util.inherits(DateRollingFileStream, BaseRollingFileStream);
+
+DateRollingFileStream.prototype.shouldRoll = function() {
+  var lastTime = this.lastTimeWeWroteSomething,
+  thisTime = format.asString(this.pattern, new Date(this.now()));
+
+  debug("DateRollingFileStream.shouldRoll with now = " +
+        this.now() + ", thisTime = " + thisTime + ", lastTime = " + lastTime);
+
+  this.lastTimeWeWroteSomething = thisTime;
+  this.previousTime = lastTime;
+
+  return thisTime !== lastTime;
+};
+
+DateRollingFileStream.prototype.roll = function(filename, callback) {
+  var that = this;
+
+  debug("Starting roll");
+
+  if (this.alwaysIncludePattern) {
+    this.filename = this.baseFilename + this.lastTimeWeWroteSomething;
+    this.closeTheStream(this.openTheStream.bind(this, callback));
+  } else {
+    var newFilename = this.baseFilename + this.previousTime;
+    this.closeTheStream(
+      deleteAnyExistingFile.bind(null,
+        renameTheCurrentFile.bind(null,
+          this.openTheStream.bind(this,
+            callback))));
+  }
+
+  function deleteAnyExistingFile(cb) {
+    //on windows, you can get a EEXIST error if you rename a file to an existing file
+    //so, we'll try to delete the file we're renaming to first
+    fs.unlink(newFilename, function (err) {
+      //ignore err: if we could not delete, it's most likely that it doesn't exist
+      cb();
+    });
+  }
+
+  function renameTheCurrentFile(cb) {
+    debug("Renaming the " + filename + " -> " + newFilename);
+    fs.rename(filename, newFilename, cb);
+  }
+
+};