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lr_response_xml_to_json
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"use strict"; | |
var xml2js = require('xml2js'), | |
vsm = require('lrs/virtualServerModule'); | |
// callback function that implements the xml-to-json gateway | |
function xml2json_converter(servReq, servRes, cliReq) { | |
cliReq.on('response', function(response) { | |
var body = [], | |
body_len = 0; | |
// condition for performing the conversion ... | |
if ( ! ('Content-Type' in response.headers) || | |
('Content-Type' in response.headers && | |
response.headers['Content-Type'].indexOf('/xml') == -1) ) { | |
response.bindHeaders(servRes); | |
response.fastPipe(servRes); | |
return; | |
} | |
response.on('data', function(chunk) { | |
body.push(chunk); | |
body_len += chunk.length; | |
}); | |
response.on('end', function() { | |
body = Buffer.concat(body, body_len); | |
response.bindHeaders(servRes); | |
xml2js.parseString(body, function(err, result) { | |
if (err || ! result) { | |
console.log('Parse error converting XML to json: '+err); | |
servRes.end(body); | |
} | |
else { | |
servRes.setHeader('Content-Type', 'application/json'); | |
servRes.end(JSON.stringify(result)); | |
} | |
}); | |
}); | |
response.on('error', function(err) { | |
//console.log("error seen on response: "+err); | |
}); | |
}); | |
cliReq(); | |
} | |
vsm.on('exist', 'xml2json_gateway', function(vs) { | |
vs.on('request', xml2json_converter); | |
}); |
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