From 9ac402eb004eaa46476cc9b2ee6de5fe85d03993 Mon Sep 17 00:00:00 2001
From: Oswald Quek <oswald.quek@digital.cabinet-office.gov.uk>
Date: Mon, 9 Sep 2024 09:39:40 +0100
Subject: [PATCH] use nicer collect style

---
 .../adminusers/model/ServiceNamesDeserializer.java   | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/main/java/uk/gov/pay/adminusers/model/ServiceNamesDeserializer.java b/src/main/java/uk/gov/pay/adminusers/model/ServiceNamesDeserializer.java
index d0c174639..e9b363a5b 100644
--- a/src/main/java/uk/gov/pay/adminusers/model/ServiceNamesDeserializer.java
+++ b/src/main/java/uk/gov/pay/adminusers/model/ServiceNamesDeserializer.java
@@ -7,17 +7,15 @@
 import uk.gov.service.payments.commons.model.SupportedLanguage;
 
 import java.io.IOException;
-import java.util.Collections;
-import java.util.HashMap;
 import java.util.Map;
 
+import static java.util.stream.Collectors.toUnmodifiableMap;
+
 public class ServiceNamesDeserializer extends JsonDeserializer<Map<SupportedLanguage, String>> {
     @Override
     public Map<SupportedLanguage, String> deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
-        Map<SupportedLanguage, String> supportedLanguageToServiceName = new HashMap<>();
-        jsonParser.getCodec().readValue(jsonParser, new TypeReference<Map<String, String>>() {})
-                .forEach((key, value) -> 
-                        supportedLanguageToServiceName.put(SupportedLanguage.fromIso639AlphaTwoCode(key), value));
-        return Collections.unmodifiableMap(supportedLanguageToServiceName);
+        return jsonParser.getCodec().readValue(jsonParser, new TypeReference<Map<String, String>>() {})
+                .entrySet().stream()
+                .collect(toUnmodifiableMap(entry -> SupportedLanguage.fromIso639AlphaTwoCode(entry.getKey()), Map.Entry::getValue));
     }
 }