[CCSDK-28] populated the seed code for dgbuilder

[ccsdk/distribution.git] / dgbuilder / red / cli / lib / config.js

diff --git a/dgbuilder/red/cli/lib/config.js b/dgbuilder/red/cli/lib/config.js
new file mode 100644 (file)
index 0000000..3cd5244
--- /dev/null
+++ b/dgbuilder/red/cli/lib/config.js
@@ -0,0 +1,53 @@
+/**
+ * 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 path = require("path");
+var fs = require("fs");
+
+var userHome = process.env.HOME || process.env.HOMEPATH || process.env.USERPROFILE;
+
+var configDir = path.join(userHome,".nodered");
+var configFile = path.join(configDir,"config.json");
+
+var config;
+
+function load() {
+    if (config == null) {
+        try {
+            config = JSON.parse(fs.readFileSync(configFile));
+        } catch(err) {
+            config = {};
+        }
+    }
+}
+
+function save() {
+    try {
+        fs.mkdirSync(configDir);
+    } catch(err) {
+        if (err.code != "EEXIST") {
+            throw err;
+        }
+    }
+    fs.writeFileSync(configFile,JSON.stringify(config,null,4));
+}
+module.exports = {
+    unload: function() {
+        config = null;
+    }
+};
+module.exports.__defineGetter__('target',function() { load(); return config.target|| "http://localhost:1880" });
+module.exports.__defineSetter__('target',function(v) { load(); config.target = v; save();});