diff options
Diffstat (limited to 'dgbuilder/core_nodes/parsers/70-JSON.js')
-rw-r--r-- | dgbuilder/core_nodes/parsers/70-JSON.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/dgbuilder/core_nodes/parsers/70-JSON.js b/dgbuilder/core_nodes/parsers/70-JSON.js new file mode 100644 index 00000000..e216bd4f --- /dev/null +++ b/dgbuilder/core_nodes/parsers/70-JSON.js @@ -0,0 +1,46 @@ +/** + * 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); +} |