Fix NPE in JSON type adapter (#43)

- Adds null-check to type adapter
- Updates Gradle version

Resolves #41
{patch}

Author: nagyesta

.github/workflows/gradle-test-main.yml

@@ -9,6 +9,7 @@ on:
     branches: [ main ]
     paths:
       - 'gradle/libs.versions.toml'
+      - 'gradle/wrapper/gradle-wrapper.properties'
 
 permissions: read-all
 

.github/workflows/gradle.yml

@@ -20,6 +20,7 @@ on:
       - 'renovate.json'
       - '.whitesource'
       - 'gradle/libs.versions.toml'
+      - 'gradle/wrapper/gradle-wrapper.properties'
 
 permissions: read-all
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 # suppress inspection "SpellCheckingInspection" for whole file
 # suppress inspection "UnusedProperty" for whole file
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-bin.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists

mission-control/src/main/java/com/github/nagyesta/abortmission/core/telemetry/LocalDateTimeAdapter.java

@@ -25,19 +25,23 @@ public class LocalDateTimeAdapter extends TypeAdapter<LocalDateTime> {
 
     @Override
     public void write(final JsonWriter out, final LocalDateTime value) throws IOException {
-        out.beginObject()
-                .name(DATE).beginObject()
-                .name(YEAR).value(value.getYear())
-                .name(MONTH).value(value.getMonthValue())
-                .name(DAY).value(value.getDayOfMonth())
-                .endObject()
-                .name(TIME).beginObject()
-                .name(HOUR).value(value.getHour())
-                .name(MINUTE).value(value.getMinute())
-                .name(SECOND).value(value.getSecond())
-                .name(NANO).value(value.getNano())
-                .endObject()
-                .endObject();
+        if (value == null) {
+            out.nullValue();
+        } else {
+            out.beginObject()
+                    .name(DATE).beginObject()
+                    .name(YEAR).value(value.getYear())
+                    .name(MONTH).value(value.getMonthValue())
+                    .name(DAY).value(value.getDayOfMonth())
+                    .endObject()
+                    .name(TIME).beginObject()
+                    .name(HOUR).value(value.getHour())
+                    .name(MINUTE).value(value.getMinute())
+                    .name(SECOND).value(value.getSecond())
+                    .name(NANO).value(value.getNano())
+                    .endObject()
+                    .endObject();
+        }
     }
 
     @Override