Merge pull request #15 from jpledref/feat-issue-1607-add-xml-to-json

feat: add XML to JSON operation

package.json

@@ -170,6 +170,7 @@
     "ssdeep.js": "0.0.3",
     "stream-browserify": "^3.0.0",
     "tesseract.js": "3.0.3",
+    "timers": "^0.1.1",
     "ua-parser-js": "^1.0.34",
     "unorm": "^1.6.0",
     "utf8": "^3.0.0",

src/core/config/Categories.json

@@ -66,6 +66,7 @@
             "CSV to JSON",
             "JSON to CSV",
             "Avro to JSON",
+            "XML to JSON",
             "CBOR Encode",
             "CBOR Decode"
         ]

src/core/operations/XMLToJSON.mjs

@@ -0,0 +1,49 @@
+/**
+ * @author jpledref [jp.ledref@gmail.com]
+ * @copyright Crown Copyright 2023
+ * @license Apache-2.0
+ */
+
+import xml2js from "xml2js";
+import Operation from "../Operation.mjs";
+import OperationError from "../errors/OperationError.mjs";
+
+/**
+ * XML to JSON operation
+ */
+class XMLToJSON extends Operation {
+
+    /**
+     * XMLToJSON constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "XML to JSON";
+        this.module = "Default";
+        this.description = "Converts XML data to JSON format.";
+        this.infoURL = "https://wikipedia.org/wiki/XML";
+        this.inputType = "string";
+        this.outputType = "JSON";
+        this.args = [
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {JSON}
+     */
+    run(input, args) {
+        let result;
+        try {
+            xml2js.parseString(input, {}, (e, r) => result = JSON.stringify(r));
+            return JSON.parse(result);
+        } catch (err) {
+            throw new OperationError("Unable to parse XML to JSON: " + err.toString());
+        }
+    }
+
+}
+
+export default XMLToJSON;

tests/operations/tests/XMLToJSON.mjs

@@ -0,0 +1,24 @@
+/**
+ * XML to JSON tests.
+ *
+ * @author jpledref [jp.ledref@gmail.com]
+ * @copyright Crown Copyright 2023
+ * @license Apache-2.0
+ */
+import TestRegister from "../../lib/TestRegister.mjs";
+
+const EXPECTED_JSON = { "root": {"shelf": ["over"], "wood": ["do"], "natural": ["sale"]}};
+
+TestRegister.addTests([
+    {
+        name: "XML to JSON",
+        input: "<root>\n<shelf>over</shelf>\n<wood>do</wood>\n<natural>sale</natural>\n</root>",
+        expectedOutput: EXPECTED_JSON,
+        recipeConfig: [
+            {
+                op: "XML to JSON",
+                args: []
+            },
+        ],
+    }
+]);