mirror of https://github.com/node-red/node-red.git
51 lines
1.8 KiB
JavaScript
51 lines
1.8 KiB
JavaScript
/**
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* Copyright 2014 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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var xml2js = require('xml2js');
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var parseString = xml2js.parseString;
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var builder = new xml2js.Builder({renderOpts:{pretty:false}});
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function XMLNode(n) {
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RED.nodes.createNode(this,n);
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var node = this;
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this.on("input", function(msg) {
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if (msg.hasOwnProperty("payload")) {
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if (typeof msg.payload == "object") {
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try {
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msg.payload = builder.buildObject(msg.payload);
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node.send(msg);
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}
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catch(e) { node.log(e); }
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}
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else if (typeof msg.payload == "string") {
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try {
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parseString(msg.payload, {strict:true,async:true}, function (err, result) {
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if (err) { node.error(err); }
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else {
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msg.payload = result;
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node.send(msg);
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}
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});
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}
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catch(e) { node.log(e); }
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}
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else { node.log("This node only handles xml strings or js objects."); }
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}
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});
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}
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RED.nodes.registerType("xml",XMLNode);
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