feat: add object mapper to config override (#1381)

Author: csviri

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/api/config/ConfigurationServiceOverrider.java

@@ -7,6 +7,8 @@
 import io.fabric8.kubernetes.client.Config;
 import io.javaoperatorsdk.operator.api.monitoring.Metrics;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+
 @SuppressWarnings("unused")
 public class ConfigurationServiceOverrider {
   private final ConfigurationService original;
@@ -17,6 +19,7 @@ public class ConfigurationServiceOverrider {
   private Cloner cloner;
   private int timeoutSeconds;
   private boolean closeClientOnStop;
+  private ObjectMapper objectMapper;
   private ExecutorService executorService = null;
 
   ConfigurationServiceOverrider(ConfigurationService original) {
@@ -28,6 +31,7 @@ public class ConfigurationServiceOverrider {
     this.timeoutSeconds = original.getTerminationTimeoutSeconds();
     this.metrics = original.getMetrics();
     this.closeClientOnStop = original.closeClientOnStop();
+    this.objectMapper = original.getObjectMapper();
   }
 
 
@@ -71,6 +75,11 @@ public ConfigurationServiceOverrider withExecutorService(ExecutorService executo
     return this;
   }
 
+  public ConfigurationServiceOverrider withObjectMapper(ObjectMapper objectMapper) {
+    this.objectMapper = objectMapper;
+    return this;
+  }
+
   public ConfigurationService build() {
     return new BaseConfigurationService(original.getVersion()) {
       @Override
@@ -121,6 +130,11 @@ public ExecutorService getExecutorService() {
           return super.getExecutorService();
         }
       }
+
+      @Override
+      public ObjectMapper getObjectMapper() {
+        return objectMapper;
+      }
     };
   }