experimental java exporter

Author: miguelgrinberg

.github/workflows/ci.yml

@@ -69,3 +69,29 @@ jobs:
       - name: Tests
         run: |
           npm run test
+  integration-tests-java:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: "9.2"
+      - name: Setup node.js
+        uses: actions/setup-node@v4
+      - name: Install
+        run: |
+          npm install
+      - name: Build
+        run: |
+          npm run build
+      - name: Install Java
+        uses: actions/setup-java@v5
+        with:
+          distribution: temurin
+          java-version: 21
+      - name: Prepare for testing
+        run: |
+          npm run test:setup-php
+      - name: Integration tests
+        run: |
+          npm run test:integration-php
+

scripts/compile-templates.mjs

@@ -5,7 +5,7 @@ const sourceDir = (process.platform !== "win32")
   ? "src/exporters"
   : "src\\exporters";
 process.chdir(sourceDir);
-const cmd = "handlebars python.tpl javascript.tpl php.tpl ruby.tpl -f templates.js -c";
+const cmd = "handlebars python.tpl javascript.tpl php.tpl ruby.tpl java.tpl -f templates.js -c";
 exec(cmd, (error, stdout, stderr) => {
   if (error) {
     console.log(stdout);

src/convert.ts

@@ -6,6 +6,7 @@ import { CurlExporter } from "./exporters/curl";
 import { JavaScriptExporter } from "./exporters/javascript";
 import { PHPExporter } from "./exporters/php";
 import { RubyExporter } from "./exporters/ruby";
+import { JavaExporter } from "./exporters/java";
 import util from "util";
 
 const isBrowser = typeof window !== "undefined";
@@ -44,9 +45,10 @@ const EXPORTERS: Record<string, FormatExporter> = {
   php: new PHPExporter(),
   python: new PythonExporter(),
   ruby: new RubyExporter(),
+  java: new JavaExporter(),
   curl: new CurlExporter(),
 };
-const LANGUAGES = ["JavaScript", "PHP", "Python", "Ruby", "curl"];
+const LANGUAGES = ["JavaScript", "PHP", "Python", "Ruby", "Java", "curl"];
 
 /**
  * Return the list of available export formats.

src/exporters/java.tpl

@@ -0,0 +1,63 @@
+{{#if complete}}
+package com.example;
+import java.io.IOException;
+import co.elastic.clients.elasticsearch.ElasticsearchClient;
+
+public class App {
+    public static void main(String[] args) throws java.io.IOException {
+        ElasticsearchClient client = ElasticsearchClient.of(_client -> _client
+            .host({{#if elasticsearchUrl}}"{{elasticsearchUrl}}"{{else}}System.getenv("ELASTICSEARCH_URL"){{/if}})
+            .apiKey(System.getenv("ELASTIC_API_KEY"))
+            .usernameAndPassword("elastic", "xaqafzvl")
+        );
+
+        try {
+{{/if}}
+{{#each requests}}
+{{#supportedApi}}
+{{#hasArgs}}
+{{../baseIndent}}var resp{{#if @index}}{{@index}}{{/if}} = client.{{nsAndApi this.api}}(_{{api this.api}} -> _{{api this.api}}
+    {{#each this.params}}
+    {{../../baseIndent}}.{{alias @key ../this.request.path}}("{{{this}}}")
+    {{/each}}
+    {{#each this.query}}
+    {{../../baseIndent}}.{{alias @key ../this.request.query}}({{{javaprint this @key ../this.request.query}}})
+    {{/each}}
+    {{#ifRequestBodyKind "properties"}}
+    {{#each this.body}}
+    {{../../baseIndent}}.{{alias @key ../this.request.body.properties}}({{{javaprint this @key ../this.request.body.properties}}})
+    {{/each}}
+    {{else ifRequestBodyKind "value"}}
+    {{#if this.request.body.codegenName}}{{this.request.body.codegenName}}{{else}}body{{/if}}={{{javaprint this.body}}},
+{{/ifRequestBodyKind}}
+{{../baseIndent}});
+{{else}}
+{{../baseIndent}}var resp{{#if @index}}{{@index}}{{/if}} = client.{{this.api}}();
+{{/hasArgs}}
+{{else}}
+resp{{#if @index}}{{@index}}{{/if}} = client.perform_request(
+    "{{this.method}}",
+    "{{this.path}}",
+    {{#if this.query}}
+    params={{{javaprint this.query}}},
+    {{/if}}
+    {{#if this.body}}
+    headers={"Content-Type": "application/json"},
+    body={{{javaprint this.body}}},
+    {{/if}}
+)
+{{/supportedApi}}
+{{#if ../printResponse}}
+{{../baseIndent}}System.out.println(resp{{#if @index}}{{@index}}{{/if}}.toString());
+{{/if}}
+
+{{/each}}
+{{#if complete}}
+        }
+        catch(Exception e) {
+            System.out.println(e.toString());
+        }
+        client.close();
+    }
+}
+{{/if}}