[CCSDK-28] populated the seed code for dgbuilder

[ccsdk/distribution.git] / dgbuilder / red / log.js

diff --git a/dgbuilder/red/log.js b/dgbuilder/red/log.js
new file mode 100644 (file)
index 0000000..236e6df
--- /dev/null
+++ b/dgbuilder/red/log.js
@@ -0,0 +1,39 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var util = require("util");
+var EventEmitter = require("events").EventEmitter;
+
+var logHandlers = [];
+
+var ConsoleLogHandler = new EventEmitter();
+ConsoleLogHandler.on("log",function(msg) {
+        util.log("["+msg.level+"] ["+msg.type+":"+(msg.name||msg.id)+"] "+msg.msg);
+});
+
+var log = module.exports = {
+    addHandler: function(func) {
+        logHandlers.push(func);
+    },
+    
+    log: function(msg) {
+        logHandlers.forEach(function(handler) {
+            handler.emit("log",msg);
+        });
+    }
+}
+
+log.addHandler(ConsoleLogHandler);