fix(java): Register Spanner classes for reflection to fix Native Image tests (#760)

* fix(java): register Spanner classes and resource to fix Native Image tests

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Author: mpeddada1

native-image-support/src/main/java/com/google/cloud/nativeimage/features/clients/SpannerFeature.java

@@ -21,20 +21,67 @@
 import com.oracle.svm.core.configure.ResourcesRegistry;
 import org.graalvm.nativeimage.ImageSingletons;
 import org.graalvm.nativeimage.hosted.Feature;
+import org.graalvm.nativeimage.impl.ConfigurationCondition;
 
 /** Registers Spanner library classes for reflection. */
 @AutomaticFeature
 final class SpannerFeature implements Feature {
 
   private static final String SPANNER_CLASS = "com.google.spanner.v1.SpannerGrpc";
   private static final String SPANNER_TEST_CLASS = "com.google.cloud.spanner.GceTestEnvConfig";
+  private static final String CLIENT_SIDE_IMPL_CLASS =
+      "com.google.cloud.spanner.connection.ClientSideStatementImpl";
+  private static final String CLIENT_SIDE_VALUE_CONVERTER =
+      "com.google.cloud.spanner.connection.ClientSideStatementValueConverters";
+  private static final String CONNECTION_IMPL =
+      "com.google.cloud.spanner.connection.ConnectionImpl";
+  private static final String CLIENT_SIDE_STATEMENTS =
+      "com.google.cloud.spanner.connection.ClientSideStatements";
+  private static final String CONNECTION_STATEMENT_EXECUTOR =
+      "com.google.cloud.spanner.connection.ConnectionStatementExecutor";
+  private static final String CLIENT_SIDE_STATEMENT_NO_PARAM_EXECUTOR =
+      "com.google.cloud.spanner.connection.ClientSideStatementNoParamExecutor";
+  private static final String CLIENT_SIDE_STATEMENT_SET_EXECUTOR =
+      "com.google.cloud.spanner.connection.ClientSideStatementSetExecutor";
+  private static final String ABSTRACT_STATEMENT_PARSER =
+      "com.google.cloud.spanner.connection.AbstractStatementParser";
+  private static final String STATEMENT_PARSER =
+      "com.google.cloud.spanner.connection.SpannerStatementParser";
 
   @Override
   public void beforeAnalysis(BeforeAnalysisAccess access) {
     Class<?> spannerTestClass = access.findClassByName(SPANNER_TEST_CLASS);
     if (spannerTestClass != null) {
       NativeImageUtils.registerConstructorsForReflection(access, SPANNER_TEST_CLASS);
     }
+    if (access.findClassByName(CLIENT_SIDE_IMPL_CLASS) != null) {
+      NativeImageUtils.registerClassHierarchyForReflection(access, CLIENT_SIDE_IMPL_CLASS);
+    }
+    if (access.findClassByName(CLIENT_SIDE_STATEMENT_NO_PARAM_EXECUTOR) != null) {
+      NativeImageUtils.registerClassForReflection(access, CLIENT_SIDE_STATEMENT_NO_PARAM_EXECUTOR);
+    }
+    if (access.findClassByName(CLIENT_SIDE_STATEMENT_SET_EXECUTOR) != null) {
+      NativeImageUtils.registerClassForReflection(access, CLIENT_SIDE_STATEMENT_SET_EXECUTOR);
+    }
+    if (access.findClassByName(CLIENT_SIDE_VALUE_CONVERTER) != null) {
+      NativeImageUtils.registerClassHierarchyForReflection(access, CLIENT_SIDE_VALUE_CONVERTER);
+    }
+    if (access.findClassByName(CLIENT_SIDE_STATEMENTS) != null) {
+      NativeImageUtils.registerClassForReflection(access, CLIENT_SIDE_STATEMENTS);
+    }
+    if (access.findClassByName(CONNECTION_STATEMENT_EXECUTOR) != null) {
+      NativeImageUtils.registerClassForReflection(access, CONNECTION_STATEMENT_EXECUTOR);
+    }
+    if (access.findClassByName(CONNECTION_IMPL) != null) {
+      NativeImageUtils.registerClassForReflection(access, CONNECTION_IMPL);
+    }
+    if (access.findClassByName(ABSTRACT_STATEMENT_PARSER) != null) {
+      NativeImageUtils.registerClassHierarchyForReflection(access, ABSTRACT_STATEMENT_PARSER);
+    }
+    if (access.findClassByName(STATEMENT_PARSER) != null) {
+      NativeImageUtils.registerConstructorsForReflection(access, STATEMENT_PARSER);
+    }
+
     Class<?> spannerClass = access.findClassByName(SPANNER_CLASS);
     if (spannerClass != null) {
       NativeImageUtils.registerClassHierarchyForReflection(
@@ -47,9 +94,13 @@ public void beforeAnalysis(BeforeAnalysisAccess access) {
       // Resources
       ResourcesRegistry resourcesRegistry = ImageSingletons.lookup(ResourcesRegistry.class);
       resourcesRegistry.addResources(
+          ConfigurationCondition.alwaysTrue(),
           "\\Qcom/google/cloud/spanner/connection/ClientSideStatements.json\\E");
       resourcesRegistry.addResources(
           "\\Qcom/google/cloud/spanner/spi/v1/grpc-gcp-apiconfig.json\\E");
+      resourcesRegistry.addResources(
+          ConfigurationCondition.alwaysTrue(),
+          "\\Qcom/google/cloud/spanner/connection/ITSqlScriptTest_TestQueryOptions.sql\\E");
     }
   }
 }