Remove commons-codec dependency

follow-up to f8ad77a

we can simply use guava instead and eliminate the extra dependency

Author: XN137

gradle/libs.versions.toml

@@ -45,7 +45,6 @@ awssdk-bom = { module = "software.amazon.awssdk:bom", version = "2.33.0" }
 awaitility = { module = "org.awaitility:awaitility", version = "4.3.0" }
 azuresdk-bom = { module = "com.azure:azure-sdk-bom", version = "1.2.37" }
 caffeine = { module = "com.github.ben-manes.caffeine:caffeine", version = "3.2.2" }
-commons-codec = { module = "commons-codec:commons-codec", version = "1.19.0" }
 commons-lang3 = { module = "org.apache.commons:commons-lang3", version = "3.18.0" }
 commons-text = { module = "org.apache.commons:commons-text", version = "1.14.0" }
 eclipselink = { module = "org.eclipse.persistence:eclipselink", version = "4.0.7" }

polaris-core/build.gradle.kts

@@ -42,7 +42,6 @@ dependencies {
   runtimeOnly("com.fasterxml.jackson.datatype:jackson-datatype-jsr310")
 
   implementation(libs.caffeine)
-  implementation(libs.commons.codec)
   implementation(libs.guava)
   implementation(libs.slf4j.api)
 

polaris-core/src/main/java/org/apache/polaris/core/DigestUtils.java

@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.polaris.core;
+
+import com.google.common.hash.Hashing;
+import java.nio.charset.StandardCharsets;
+
+public final class DigestUtils {
+  private DigestUtils() {
+    // utils class
+  }
+
+  public static String sha256Hex(String input) {
+    return Hashing.sha256().hashString(input, StandardCharsets.UTF_8).toString();
+  }
+}

polaris-core/src/main/java/org/apache/polaris/core/entity/PolarisPrincipalSecrets.java

@@ -22,7 +22,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import jakarta.annotation.Nullable;
 import java.security.SecureRandom;
-import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.polaris.core.DigestUtils;
 
 /**
  * Simple class to represent the secrets used to authenticate a catalog principal, These secrets are

polaris-core/src/main/java/org/apache/polaris/core/secrets/UnsafeInMemorySecretsManager.java

@@ -27,7 +27,7 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.concurrent.ConcurrentHashMap;
-import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.polaris.core.DigestUtils;
 import org.apache.polaris.core.entity.PolarisEntityCore;
 
 /**

runtime/service/src/main/java/org/apache/polaris/service/http/IcebergHttpUtil.java

@@ -18,7 +18,7 @@
  */
 package org.apache.polaris.service.http;
 
-import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.polaris.core.DigestUtils;
 
 /** Utility class that encapsulates logic pertaining to Iceberg REST specific concepts. */
 public class IcebergHttpUtil {