fix base64 encoder

src/main/java/it/gov/pagopa/apiconfig/cache/service/ConfigService.java

@@ -651,7 +651,7 @@ public List<Encoding> getEncodings() {
         .map(codificheRepository.findAll(), new TypeToken<List<Encoding>>() {}.getType());
   }
 
-  private Base64.Encoder encoder = Base64.getEncoder().withoutPadding();
+
 
   private String toXml(TplInformativaPSP element) {
     try {
@@ -663,7 +663,7 @@ private String toXml(TplInformativaPSP element) {
       marshaller.setProperty(Marshaller.JAXB_SCHEMA_LOCATION, schemaInstance);
       ByteArrayOutputStream baos = new ByteArrayOutputStream();
       marshaller.marshal(informativaPSP, baos);
-      return encoder.encodeToString(baos.toByteArray());
+      return Constants.ENCODER.encodeToString(baos.toByteArray());
     } catch (Exception e) {
       log.error("error creating TplInformativaPSP", e);
       return e.toString();
@@ -680,7 +680,7 @@ private String toXml(CtListaInformativePSP element) {
       marshaller.setProperty(Marshaller.JAXB_SCHEMA_LOCATION, schemaInstance);
       ByteArrayOutputStream baos = new ByteArrayOutputStream();
       marshaller.marshal(informativaPSP, baos);
-      return encoder.encodeToString(baos.toByteArray());
+      return Constants.ENCODER.encodeToString(baos.toByteArray());
     } catch (Exception e) {
       log.error("error creating CtListaInformativePSP", e);
       return e.toString();
@@ -697,7 +697,7 @@ private String toXml(CtListaInformativeControparte element) {
       marshaller.setProperty(Marshaller.JAXB_SCHEMA_LOCATION, schemaInstance);
       ByteArrayOutputStream baos = new ByteArrayOutputStream();
       marshaller.marshal(informativaPA, baos);
-      return encoder.encodeToString(baos.toByteArray());
+      return Constants.ENCODER.encodeToString(baos.toByteArray());
     } catch (Exception e) {
       log.error("error creating CtListaInformativeControparte", e);
       return e.toString();

src/main/java/it/gov/pagopa/apiconfig/cache/util/Constants.java

@@ -2,9 +2,13 @@
 
 import lombok.experimental.UtilityClass;
 
+import java.util.Base64;
+
 @UtilityClass
 public class Constants {
 
+  public static final Base64.Encoder ENCODER = Base64.getEncoder();
+
   public static final String HEADER_REQUEST_ID = "X-Request-Id";
   public static final String GZIP_JSON_V1 = "GZIP_JSON-v1";
   public static final String FULL = "full";

src/test/java/it/gov/pagopa/apiconfig/cache/VerifierTest.java

@@ -1,19 +1,22 @@
 package it.gov.pagopa.apiconfig.cache;
 
-import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
-import static org.mockito.Mockito.when;
-
 import it.gov.pagopa.apiconfig.cache.redis.RedisRepository;
 import it.gov.pagopa.apiconfig.cache.repository.VerifierRepository;
 import it.gov.pagopa.apiconfig.cache.service.VerifierService;
-import java.util.List;
+import it.gov.pagopa.apiconfig.cache.util.Constants;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+
+import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
+import static org.mockito.Mockito.when;
+
 // @SpringBootTest(classes = Application.class)
 @ExtendWith(MockitoExtension.class)
 class VerifierTest {
@@ -33,4 +36,10 @@ void getCacheV1() throws Exception {
     List<String> allData = verifierService.getPaV2();
     assertThat(allData.containsAll(TestUtils.pastazioniV2));
   }
+
+  @Test
+  void encoding() throws Exception {
+    String s = Constants.ENCODER.encodeToString("listacontroparti>".getBytes(StandardCharsets.UTF_8));
+    assertThat(s).isEqualTo("bGlzdGFjb250cm9wYXJ0aT4=");
+  }
 }