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node-red/nodes/analysis/73-parsexml.js
2013-10-23 21:27:54 +01:00

50 lines
1.5 KiB
JavaScript

/**
* 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.
**/
var RED = require("../../red/red");
var util = require("util");
var parseString = require('xml2js').parseString;
var gotEyes = false;
try {
var eyes = require("eyes");
gotEyes = true;
} catch(e) {
util.log("[73-parsexml.js] Note: Module 'eyes' not installed. (not needed, but useful)");
}
function Xml2jsNode(n) {
RED.nodes.createNode(this,n);
this.useEyes = n.useEyes;
var node = this;
this.on("input", function(msg) {
try {
parseString(msg.payload, function (err, result) {
if (err) { node.error(err); }
else {
msg.payload = result;
node.send(msg);
if (node.useEyes == true) {
if (gotEyes == true) { eyes.inspect(msg); }
else { node.log(JSON.stringify(msg)); }
}
}
});
}
catch(e) { console.log(e); }
});
}
RED.nodes.registerType("xml2js",Xml2jsNode);