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-rw-r--r--dgbuilder/core_nodes/parsers/70-JSON.js46
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diff --git a/dgbuilder/core_nodes/parsers/70-JSON.js b/dgbuilder/core_nodes/parsers/70-JSON.js
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+/**
+ * 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.
+ **/
+
+module.exports = function(RED) {
+ "use strict";
+ var util = require("util");
+
+ function JSONNode(n) {
+ RED.nodes.createNode(this,n);
+ var node = this;
+ this.on("input", function(msg) {
+ if (msg.hasOwnProperty("payload")) {
+ if (typeof msg.payload === "string") {
+ try {
+ msg.payload = JSON.parse(msg.payload);
+ node.send(msg);
+ }
+ catch(e) { node.log(e+ "\n"+msg.payload); }
+ }
+ else if (typeof msg.payload === "object") {
+ if (!Buffer.isBuffer(msg.payload) ) {
+ if (!util.isArray(msg.payload)) {
+ msg.payload = JSON.stringify(msg.payload);
+ node.send(msg);
+ }
+ }
+ }
+ else { node.log("dropped: "+msg.payload); }
+ }
+ });
+ }
+ RED.nodes.registerType("json",JSONNode);
+}