AWS, Core, Delta: Remove redundant charset lookup (#12057)

Author: ebyhr

aws/src/integration/java/org/apache/iceberg/aws/lakeformation/LakeFormationTestBase.java

@@ -20,7 +20,6 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
 import java.nio.charset.StandardCharsets;
 import java.time.Duration;
@@ -495,8 +494,7 @@ private static void createOrReplacePolicy(
                       .versionId(DEFAULT_IAM_POLICY_VERSION)
                       .build())
               .policyVersion();
-      String currentDocument =
-          URLDecoder.decode(existingPolicy.document(), StandardCharsets.UTF_8.name());
+      String currentDocument = URLDecoder.decode(existingPolicy.document(), StandardCharsets.UTF_8);
       if (Objects.equals(currentDocument, policyDocument)) {
         LOG.info(
             "Policy {} already exists and policy content did not change. Nothing to do.",
@@ -511,8 +509,6 @@ private static void createOrReplacePolicy(
       }
     } catch (NoSuchEntityException e) {
       createPolicy(policyName, policyDocument);
-    } catch (UnsupportedEncodingException e) {
-      throw new RuntimeException(e);
     }
   }
 

core/src/main/java/org/apache/iceberg/rest/RESTUtil.java

@@ -18,8 +18,6 @@
  */
 package org.apache.iceberg.rest;
 
-import java.io.UncheckedIOException;
-import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
@@ -146,12 +144,7 @@ public static Map<String, String> decodeFormData(String formString) {
    */
   public static String encodeString(String toEncode) {
     Preconditions.checkArgument(toEncode != null, "Invalid string to encode: null");
-    try {
-      return URLEncoder.encode(toEncode, StandardCharsets.UTF_8.name());
-    } catch (UnsupportedEncodingException e) {
-      throw new UncheckedIOException(
-          String.format("Failed to URL encode '%s': UTF-8 encoding is not supported", toEncode), e);
-    }
+    return URLEncoder.encode(toEncode, StandardCharsets.UTF_8);
   }
 
   /**
@@ -164,12 +157,7 @@ public static String encodeString(String toEncode) {
    */
   public static String decodeString(String encoded) {
     Preconditions.checkArgument(encoded != null, "Invalid string to decode: null");
-    try {
-      return URLDecoder.decode(encoded, StandardCharsets.UTF_8.name());
-    } catch (UnsupportedEncodingException e) {
-      throw new UncheckedIOException(
-          String.format("Failed to URL decode '%s': UTF-8 encoding is not supported", encoded), e);
-    }
+    return URLDecoder.decode(encoded, StandardCharsets.UTF_8);
   }
 
   /**

delta-lake/src/main/java/org/apache/iceberg/delta/BaseSnapshotDeltaLakeTableAction.java

@@ -25,7 +25,6 @@
 import io.delta.standalone.actions.RemoveFile;
 import io.delta.standalone.exceptions.DeltaStandaloneException;
 import java.io.File;
-import java.io.UnsupportedEncodingException;
 import java.net.URI;
 import java.net.URLDecoder;
 import java.nio.charset.StandardCharsets;
@@ -451,15 +450,11 @@ private void tagCurrentSnapshot(long deltaVersion, Transaction transaction) {
    */
   private static String getFullFilePath(String path, String tableRoot) {
     URI dataFileUri = URI.create(path);
-    try {
-      String decodedPath = URLDecoder.decode(path, StandardCharsets.UTF_8.name());
-      if (dataFileUri.isAbsolute()) {
-        return decodedPath;
-      } else {
-        return tableRoot + File.separator + decodedPath;
-      }
-    } catch (UnsupportedEncodingException e) {
-      throw new IllegalArgumentException(String.format("Cannot decode path %s", path), e);
+    String decodedPath = URLDecoder.decode(path, StandardCharsets.UTF_8);
+    if (dataFileUri.isAbsolute()) {
+      return decodedPath;
+    } else {
+      return tableRoot + File.separator + decodedPath;
     }
   }
 }