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-rw-r--r--dgbuilder/core_nodes/core/80-template.js61
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diff --git a/dgbuilder/core_nodes/core/80-template.js b/dgbuilder/core_nodes/core/80-template.js
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+/**
+ * Copyright 2013 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.
+ **/
+
+module.exports = function(RED) {
+ "use strict";
+ var mustache = require("mustache");
+
+ function TemplateNode(n) {
+ RED.nodes.createNode(this,n);
+ this.name = n.name;
+ this.field = n.field || "payload";
+ this.template = n.template;
+ var node = this;
+
+ var b = node.field.split(".");
+ var i = 0;
+ var m = null;
+ var rec = function(obj) {
+ i += 1;
+ if ((i < b.length) && (typeof obj[b[i-1]] === "object")) {
+ rec(obj[b[i-1]]); // not there yet - carry on digging
+ }
+ else {
+ if (i === b.length) { // we've finished so assign the value
+ obj[b[i-1]] = mustache.render(node.template,m);
+ node.send(m);
+ }
+ else {
+ obj[b[i-1]] = {}; // needs to be a new object so create it
+ rec(obj[b[i-1]]); // and carry on digging
+ }
+ }
+ }
+
+ node.on("input", function(msg) {
+ try {
+ m = msg;
+ i = 0;
+ rec(msg);
+ } catch(err) {
+ node.error(err.message);
+ }
+ });
+ }
+
+ RED.nodes.registerType("template",TemplateNode);
+ RED.library.register("templates");
+}