feat(native): wrap config so that we don't serialize CR class

This is required to avoid having to register Jackson's ClassSerializer
class, not to mention the fact that it really doesn't make sense to
serialize the class in the first place.

Author: metacosm

operator-framework-quarkus-extension/tests/src/main/java/io/javaoperatorsdk/quarkus/it/TestOperatorApp.java

@@ -2,6 +2,8 @@
 
 import io.javaoperatorsdk.operator.api.config.ConfigurationService;
 import io.javaoperatorsdk.operator.api.config.ControllerConfiguration;
+import io.javaoperatorsdk.operator.api.config.RetryConfiguration;
+import java.util.Set;
 import javax.inject.Inject;
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
@@ -22,8 +24,59 @@ public boolean getController(@PathParam("name") String name) {
 
   @GET
   @Path("{name}/config")
-  public ControllerConfiguration getConfig(@PathParam("name") String name) {
-    final var config = configurationService.getConfigurationFor(controller);
-    return name.equals(config.getName()) ? config : null;
+  public JSONControllerConfiguration getConfig(@PathParam("name") String name) {
+    var config = configurationService.getConfigurationFor(controller);
+    if (config == null) {
+      return null;
+    }
+    return name.equals(config.getName()) ? new JSONControllerConfiguration(config) : null;
+  }
+
+  static class JSONControllerConfiguration {
+    private final ControllerConfiguration conf;
+
+    public JSONControllerConfiguration(ControllerConfiguration conf) {
+      this.conf = conf;
+    }
+
+    public String getName() {
+      return conf.getName();
+    }
+
+    public String getCRDName() {
+      return conf.getCRDName();
+    }
+
+    public String getFinalizer() {
+      return conf.getFinalizer();
+    }
+
+    public boolean isGenerationAware() {
+      return conf.isGenerationAware();
+    }
+
+    public String getCustomResourceClass() {
+      return conf.getCustomResourceClass().getCanonicalName();
+    }
+
+    public String getAssociatedControllerClassName() {
+      return conf.getAssociatedControllerClassName();
+    }
+
+    public boolean isClusterScoped() {
+      return conf.isClusterScoped();
+    }
+
+    public Set<String> getNamespaces() {
+      return conf.getNamespaces();
+    }
+
+    public boolean watchAllNamespaces() {
+      return conf.watchAllNamespaces();
+    }
+
+    public RetryConfiguration getRetryConfiguration() {
+      return conf.getRetryConfiguration();
+    }
   }
 }