XML de HTTP
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Analiza una solicitud HTTP que incluye contenido de "application/xml".
Muestra de código
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[[["Fácil de comprender","easyToUnderstand","thumb-up"],["Resolvió mi problema","solvedMyProblem","thumb-up"],["Otro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Información o código de muestra incorrectos","incorrectInformationOrSampleCode","thumb-down"],["Faltan la información o los ejemplos que necesito","missingTheInformationSamplesINeed","thumb-down"],["Problema de traducción","translationIssue","thumb-down"],["Otro","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis page demonstrates how to parse HTTP requests containing "application/xml" content using various programming languages.\u003c/p\u003e\n"],["\u003cp\u003eThe provided code samples showcase how to handle and process XML data within HTTP requests in Go, Java, Node.js, and Python.\u003c/p\u003e\n"],["\u003cp\u003eEach language-specific example offers a distinct approach to parsing XML, using built in libraries or installing external ones.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication for Cloud Run functions, requires setting up Application Default Credentials, according to the resources.\u003c/p\u003e\n"],["\u003cp\u003eThe page also suggests exploring the Google Cloud sample browser to find additional code samples for different Google Cloud products.\u003c/p\u003e\n"]]],[],null,["# HTTP XML\n\nParses an HTTP request that contains \"application/xml\" content.\n\nCode sample\n-----------\n\n### Go\n\n\nTo authenticate to Cloud Run functions, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n\n // Package http provides a set of HTTP Cloud Functions samples.\n package http\n\n import (\n \t\"encoding/xml\"\n \t\"fmt\"\n \t\"html\"\n \t\"io\"\n \t\"net/http\"\n\n \t\"github.com/GoogleCloudPlatform/functions-framework-go/functions\"\n )\n\n func init() {\n \tfunctions.HTTP(\"ParseXML\", ParseXML)\n }\n\n // ParseXML is an example of parsing a text/xml request.\n func ParseXML(w http.ResponseWriter, r *http.Request) {\n \tvar d struct {\n \t\tName string\n \t}\n \tb, err := io.ReadAll(r.Body)\n \tif err != nil {\n \t\thttp.Error(w, \"Could not read request\", http.StatusBadRequest)\n \t}\n \tif err := xml.Unmarshal(b, &d); err != nil {\n \t\thttp.Error(w, \"Could not parse request\", http.StatusBadRequest)\n \t}\n \tif d.Name == \"\" {\n \t\td.Name = \"World\"\n \t}\n \tfmt.Fprintf(w, \"Hello, %v!\", html.EscapeString(d.Name))\n }\n\n### Java\n\n\nTo authenticate to Cloud Run functions, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import com.google.cloud.functions.HttpFunction;\n import com.google.cloud.functions.HttpRequest;\n import com.google.cloud.functions.HttpResponse;\n import java.io.ByteArrayInputStream;\n import java.io.IOException;\n import java.io.InputStream;\n import java.io.PrintWriter;\n import java.net.HttpURLConnection;\n import javax.xml.parsers.DocumentBuilder;\n import javax.xml.parsers.DocumentBuilderFactory;\n import javax.xml.parsers.ParserConfigurationException;\n import org.w3c.dom.Document;\n import org.xml.sax.SAXException;\n\n public class ParseXml implements HttpFunction {\n private static DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();\n\n // Parses a HTTP request in XML format\n // (Responds with a 400 error if the HTTP request isn't valid XML.)\n @Override\n public void service(HttpRequest request, HttpResponse response)\n throws IOException, ParserConfigurationException {\n\n try {\n DocumentBuilder docBuilder = dbFactory.newDocumentBuilder();\n var writer = new PrintWriter(response.getWriter());\n\n // Get request body\n InputStream bodyStream = new ByteArrayInputStream(\n request.getInputStream().readAllBytes());\n\n // Parse + process XML\n Document doc = docBuilder.parse(bodyStream);\n writer.printf(\"Root element: %s\", doc.getDocumentElement().getNodeName());\n } catch (SAXException e) {\n response.setStatusCode(HttpURLConnection.HTTP_BAD_REQUEST);\n return;\n }\n }\n }\n\n### Node.js\n\n\nTo authenticate to Cloud Run functions, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n const functions = require('@google-cloud/functions-framework');\n\n /**\n * Parses a document of type 'text/xml'\n *\n * @param {Object} req Cloud Function request context.\n * @param {Object} res Cloud Function response context.\n */\n functions.http('parseXML', (req, res) =\u003e {\n // Convert the request to a Buffer and a string\n // Use whichever one is accepted by your XML parser\n const data = req.rawBody;\n const xmlData = data.toString();\n\n const {parseString} = require('xml2js');\n\n parseString(xmlData, (err, result) =\u003e {\n if (err) {\n console.error(err);\n res.status(500).end();\n return;\n }\n res.send(result);\n });\n });\n\n### Python\n\n\nTo authenticate to Cloud Run functions, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import json\n\n import functions_framework\n\n import xmltodict\n\n @functions_framework.http\n def parse_xml(request):\n \"\"\"Parses a document of type 'text/xml'\n Args:\n request (flask.Request): The request object.\n Returns:\n The response text, or any set of values that can be turned into a\n Response object using `make_response`\n \u003chttp://flask.pocoo.org/docs/1.0/api/#flask.Flask.make_response\u003e.\n \"\"\"\n data = xmltodict.parse(request.data)\n return json.dumps(data, indent=2)\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=functions)."]]