Fix build

Author: zoewangg

build-tools/src/main/resources/software/amazon/awssdk/spotbugs-suppressions.xml

@@ -301,6 +301,15 @@
         <Bug pattern="DCN_NULLPOINTER_EXCEPTION"/>
     </Match>
 
+    <!-- Retrieves and updates crc value in update() -->
+    <Match>
+        <Or>
+            <Class name="software.amazon.awssdk.checksums.internal.SdkCrc32CChecksum"/>
+            <Class name="software.amazon.awssdk.checksums.internal.SdkCrc32Checksum"/>
+        </Or>
+        <Bug pattern="SA_FIELD_SELF_ASSIGNMENT"/>
+    </Match>
+
     <!-- Suppress existing blocking call. -->
     <!-- Classes making calls to disallowed methods made outside of the async code path can be added here to be suppressed -->
     <!-- TODO: remove classes from the list once blocking calls have been removed from the SDK async code path -->

core/sdk-core/src/main/java/software/amazon/awssdk/core/checksums/ChecksumSpecs.java

@@ -33,7 +33,7 @@
  * Implementor notes: this class is technically not needed, but we can't remove it now for backwards compatibility reasons.
  */
 @SdkProtectedApi
-public final class ChecksumSpecs implements ToCopyableBuilder<ChecksumSpecs.Builder, ChecksumSpecs> {
+public class ChecksumSpecs implements ToCopyableBuilder<ChecksumSpecs.Builder, ChecksumSpecs> {
 
     private final ChecksumAlgorithm algorithm;
     private final String headerName;

core/sdk-core/src/main/java/software/amazon/awssdk/core/checksums/Crc32CChecksum.java

@@ -29,7 +29,7 @@
  */
 @Deprecated
 @SdkProtectedApi
-public final class Crc32CChecksum extends LegacyDelegatingChecksum {
+public class Crc32CChecksum extends LegacyDelegatingChecksum {
 
     public Crc32CChecksum() {
         super(DefaultChecksumAlgorithm.CRC32C);

core/sdk-core/src/main/java/software/amazon/awssdk/core/checksums/Crc32Checksum.java

@@ -30,7 +30,7 @@
  */
 @Deprecated
 @SdkProtectedApi
-public final class Crc32Checksum extends LegacyDelegatingChecksum {
+public class Crc32Checksum extends LegacyDelegatingChecksum {
 
     public Crc32Checksum() {
         super(DefaultChecksumAlgorithm.CRC32);

core/sdk-core/src/main/java/software/amazon/awssdk/core/checksums/Md5Checksum.java

@@ -30,7 +30,7 @@
  */
 @Deprecated
 @SdkProtectedApi
-public final class Md5Checksum extends LegacyDelegatingChecksum {
+public class Md5Checksum extends LegacyDelegatingChecksum {
 
     public Md5Checksum() {
         super(DefaultChecksumAlgorithm.MD5);

core/sdk-core/src/main/java/software/amazon/awssdk/core/checksums/Sha1Checksum.java

@@ -30,7 +30,7 @@
  */
 @Deprecated
 @SdkInternalApi
-public final class Sha1Checksum extends LegacyDelegatingChecksum {
+public class Sha1Checksum extends LegacyDelegatingChecksum {
 
     public Sha1Checksum() {
         super(DefaultChecksumAlgorithm.SHA1);

core/sdk-core/src/main/java/software/amazon/awssdk/core/checksums/Sha256Checksum.java

@@ -30,7 +30,7 @@
  */
 @Deprecated
 @SdkProtectedApi
-public final class Sha256Checksum extends LegacyDelegatingChecksum {
+public class Sha256Checksum extends LegacyDelegatingChecksum {
 
     public Sha256Checksum() {
         super(DefaultChecksumAlgorithm.SHA256);