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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);
}
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