calling java converter

Author: l-trotta

docs/examples/generate-language-examples.js

@@ -21,6 +21,8 @@ const fs = require('fs');
 const path = require('path');
 const { parseDocument: yamlParseDocument } = require('yaml');
 const { convertRequests, loadSchema } = require('@elastic/request-converter');
+const {parseRequest} = require("@elastic/request-converter/dist/parse");
+const {JavaCaller} = require("java-caller");
 
 const LANGUAGES = ['Python', 'JavaScript', 'Ruby', 'PHP', 'curl'];
 
@@ -43,6 +45,40 @@ async function generateLanguages(example) {
       code: (await convertRequests(request, lang, {})).trim(),
     });
   }
+  // specific java example generator
+  const javaExampleFile = path.parse(example).name + "Java.txt";
+  const partialRequest = await parseRequest(request);
+  const java = new JavaCaller({
+    minimumJavaVersion: 21,
+    jar: "path/to/converter/jar/java-es-request-converter-1.0-SNAPSHOT.jar",
+  });
+
+  let correctParams = getCodeGenParamNames(partialRequest.params, partialRequest.request);
+  let body = partialRequest.body;
+  if (!body) {
+    body = {}
+  }
+
+  let javaReqs = [];
+  const javaParsedRequest = {
+    api: partialRequest.api,
+    params: correctParams,
+    query: partialRequest.query,
+    body: body,
+  };
+  javaReqs.push(javaParsedRequest)
+
+  let args = [];
+  args.push(JSON.stringify(javaReqs));
+
+  const { status, stdout, stderr } = await java.run(args);
+  if (status) {
+    console.log(stderr);
+    console.log(JSON.stringify(javaReqs));
+    return stderr;
+  }
+  await fs.promises.writeFile(javaExampleFile, stdout);
+
   doc.delete('alternatives');
   doc.add(doc.createPair('alternatives', data.alternatives));
   await fs.promises.writeFile(example, doc.toString({lineWidth: 132}));
@@ -60,6 +96,23 @@ async function* walkExamples(dir) {
   }
 }
 
+function getCodeGenParamNames(
+    params,
+    request,
+){
+  for (const [key, value] of Object.entries(params)) {
+    if (request?.path) {
+      for (const prop of request.path) {
+        if (prop.name === key && prop.codegenName !== undefined) {
+          delete params[key];
+          params[prop.codegenName] = value;
+        }
+      }
+    }
+  }
+  return params;
+}
+
 async function main() {
   let count = 0;
   let errors = 0;

docs/examples/package.json

@@ -6,6 +6,7 @@
     "@elastic/request-converter": "^9.1.1",
     "@redocly/cli": "^1.34.3",
     "@stoplight/spectral-cli": "^6.14.2",
-    "yaml": "^2.8.0"
+    "yaml": "^2.8.0",
+    "java-caller": "^4.1.1"
   }
 }