Various performance improvements

core/sdk-core/src/main/java/software/amazon/awssdk/core/SdkStandardLogger.java

@@ -49,18 +49,27 @@ private SdkStandardLogger() {
      * Log the response status code and request ID
      */
     public static void logRequestId(SdkHttpResponse response) {
-        String placeholder = "not available";
-        String requestId = String.format("Request ID: %s, Extended Request ID: %s",
-                                         SdkHttpUtils.firstMatchingHeaderFromCollection(response.headers(),
-                                                                                        X_AMZN_REQUEST_ID_HEADERS)
-                                                     .orElse(placeholder),
-                                         response.firstMatchingHeader(X_AMZ_ID_2_HEADER)
-                                                 .orElse(placeholder));
-        Supplier<String> logStatement = () -> String.format("Received %s response: %s, %s",
-                                                            response.isSuccessful() ? "successful" : "failed",
-                                                            response.statusCode(),
-                                                            requestId);
+        Supplier<String> logStatement = () -> constructLog(response);
         REQUEST_ID_LOGGER.debug(logStatement);
         REQUEST_LOGGER.debug(logStatement);
     }
+
+    private static String constructLog(SdkHttpResponse response) {
+        String placeholder = "not available";
+        String requestId = SdkHttpUtils.firstMatchingHeaderFromCollection(response.headers(),
+                                                                          X_AMZN_REQUEST_ID_HEADERS)
+                                       .orElse(placeholder);
+        StringBuilder details = new StringBuilder().append("Received")
+                                                   .append(response.isSuccessful() ? " successful" : " failed")
+                                                   .append(" response:")
+                                                   .append(" Status Code: ")
+                                                   .append(response.statusCode())
+                                                   .append(" Request ID: ")
+                                                   .append(requestId);
+
+        response.firstMatchingHeader(X_AMZ_ID_2_HEADER).ifPresent(extendedRequestId ->
+                                                                      details.append(" Extended Request ID: ")
+                                                                             .append(extendedRequestId));
+        return details.toString();
+    }
 }

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

@@ -15,9 +15,10 @@
 
 package software.amazon.awssdk.core.checksums;
 
-import java.util.Arrays;
+import java.util.Map;
 import software.amazon.awssdk.annotations.SdkPublicApi;
 import software.amazon.awssdk.utils.StringUtils;
+import software.amazon.awssdk.utils.internal.EnumUtils;
 
 /**
  * Enum that indicates all the checksums supported by Flexible checksums in a Service Request/Response Header.
@@ -31,6 +32,8 @@ public enum Algorithm {
     SHA1("sha1", 28),
     ;
 
+    private static final Map<String, Algorithm> VALUE_MAP = EnumUtils.uniqueIndex(Algorithm.class, Algorithm::toString);
+
     private final String value;
     private final int length;
 
@@ -44,12 +47,18 @@ public static Algorithm fromValue(String value) {
             return null;
         }
         String normalizedValue = StringUtils.lowerCase(value);
-        return Arrays.stream(values())
-                .filter(algorithm -> algorithm.value.equals(normalizedValue))
-                .findFirst()
-                .orElseThrow(() -> new IllegalArgumentException(String.format("Unknown Algorithm '%s'", normalizedValue)));
+        Algorithm algorithm = VALUE_MAP.get(normalizedValue);
+        if (algorithm == null) {
+            throw new IllegalArgumentException("The provided value is not a valid algorithm " + value);
+        }
+
+        return algorithm;
     }
 
+    @Override
+    public String toString() {
+        return String.valueOf(value);
+    }
 
     /**
      * Length corresponds to Base64Encoded length for a given Checksum.

core/sdk-core/src/main/java/software/amazon/awssdk/core/internal/async/FileAsyncRequestBody.java

@@ -15,10 +15,10 @@
 
 package software.amazon.awssdk.core.internal.async;
 
+import static software.amazon.awssdk.utils.FunctionalUtils.invokeSafely;
 import static software.amazon.awssdk.utils.FunctionalUtils.runAndLogError;
 
 import java.io.IOException;
-import java.io.UncheckedIOException;
 import java.nio.ByteBuffer;
 import java.nio.channels.AsynchronousFileChannel;
 import java.nio.channels.CompletionHandler;
@@ -59,6 +59,8 @@ public final class FileAsyncRequestBody implements AsyncRequestBody {
      */
     private final Path path;
 
+    private final long fileLength;
+
     /**
      * Size (in bytes) of ByteBuffer chunks read from the file and delivered to the subscriber.
      */
@@ -67,15 +69,12 @@ public final class FileAsyncRequestBody implements AsyncRequestBody {
     private FileAsyncRequestBody(DefaultBuilder builder) {
         this.path = builder.path;
         this.chunkSizeInBytes = builder.chunkSizeInBytes == null ? DEFAULT_CHUNK_SIZE : builder.chunkSizeInBytes;
+        this.fileLength = invokeSafely(() -> Files.size(path));
     }
 
     @Override
     public Optional<Long> contentLength() {
-        try {
-            return Optional.of(Files.size(path));
-        } catch (IOException e) {
-            throw new UncheckedIOException(e);
-        }
+        return Optional.of(fileLength);
     }
 
     @Override

core/sdk-core/src/test/java/software/amazon/awssdk/core/async/FileAsyncRequestPublisherTckTest.java

@@ -21,12 +21,15 @@
 import java.io.OutputStream;
 import java.io.UncheckedIOException;
 import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.FileSystem;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.UUID;
 import org.reactivestreams.Publisher;
 import org.reactivestreams.tck.TestEnvironment;
 import software.amazon.awssdk.core.internal.async.FileAsyncRequestBody;
+import software.amazon.awssdk.utils.FunctionalUtils;
 
 /**
  * TCK verification test for {@link FileAsyncRequestBody}.
@@ -64,10 +67,16 @@ public Publisher<ByteBuffer> createPublisher(long elements) {
     @Override
     public Publisher<ByteBuffer> createFailedPublisher() {
         // tests properly failing on non existing files:
-        return FileAsyncRequestBody.builder()
-                .chunkSizeInBytes(CHUNK_SIZE)
-                .path(rootDir.resolve("does-not-exist"))
-                .build();
+        Path path = rootDir.resolve("createFailedPublisher" + UUID.randomUUID());
+
+        FunctionalUtils.invokeSafely(() -> Files.write(path, "test".getBytes(StandardCharsets.UTF_8)));
+        FileAsyncRequestBody fileAsyncRequestBody = FileAsyncRequestBody.builder()
+                                                         .chunkSizeInBytes(CHUNK_SIZE)
+                                                         .path(path)
+                                                         .build();
+
+        FunctionalUtils.invokeSafely(() -> Files.delete(path));
+        return fileAsyncRequestBody;
     }
 
     private Path fileOfNChunks(long nChunks) {

services-custom/s3-transfer-manager/src/test/java/software/amazon/awssdk/transfer/s3/internal/S3TransferManagerListenerTest.java

@@ -30,9 +30,7 @@
 import java.nio.ByteBuffer;
 import java.nio.file.FileSystem;
 import java.nio.file.Files;
-import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CompletionException;
@@ -46,6 +44,7 @@
 import software.amazon.awssdk.core.async.AsyncRequestBody;
 import software.amazon.awssdk.core.async.AsyncResponseTransformer;
 import software.amazon.awssdk.core.async.DrainingSubscriber;
+import software.amazon.awssdk.core.exception.SdkClientException;
 import software.amazon.awssdk.services.s3.model.GetObjectRequest;
 import software.amazon.awssdk.services.s3.model.GetObjectResponse;
 import software.amazon.awssdk.services.s3.model.PutObjectRequest;
@@ -268,33 +267,33 @@ public void uploadFile_failure_shouldInvokeListener() throws Exception {
         UploadFileRequest uploadFileRequest = UploadFileRequest.builder()
                                                                .putObjectRequest(r -> r.bucket("bucket")
                                                                                        .key("key"))
-                                                               .source(Paths.get("/some/nonexistent/path"))
+                                                               .source(path)
                                                                .overrideConfiguration(b -> b.addListener(listener))
                                                                .build();
+        SdkClientException sdkClientException = SdkClientException.create("");
+        when(s3Crt.putObject(any(PutObjectRequest.class), any(AsyncRequestBody.class)))
+            .thenThrow(sdkClientException);
         FileUpload fileUpload = tm.uploadFile(uploadFileRequest);
 
         CompletableFuture<CompletedFileUpload> future = fileUpload.completionFuture();
         assertThatThrownBy(future::join)
             .isInstanceOf(CompletionException.class)
-            .hasCauseInstanceOf(NoSuchFileException.class);
+            .hasCause(sdkClientException);
 
         ArgumentCaptor<TransferListener.Context.TransferInitiated> captor1 =
             ArgumentCaptor.forClass(TransferListener.Context.TransferInitiated.class);
         verify(listener, timeout(1000).times(1)).transferInitiated(captor1.capture());
         TransferListener.Context.TransferInitiated ctx1 = captor1.getValue();
         assertThat(ctx1.request()).isSameAs(uploadFileRequest);
-        // transferSize is not known since file did not exist
-        assertThat(ctx1.progressSnapshot().transferSizeInBytes()).isNotPresent();
         assertThat(ctx1.progressSnapshot().bytesTransferred()).isZero();
 
         ArgumentCaptor<TransferListener.Context.TransferFailed> captor2 =
             ArgumentCaptor.forClass(TransferListener.Context.TransferFailed.class);
         verify(listener, timeout(1000).times(1)).transferFailed(captor2.capture());
         TransferListener.Context.TransferFailed ctx2 = captor2.getValue();
         assertThat(ctx2.request()).isSameAs(uploadFileRequest);
-        assertThat(ctx2.progressSnapshot().transferSizeInBytes()).isNotPresent();
         assertThat(ctx2.progressSnapshot().bytesTransferred()).isZero();
-        assertThat(ctx2.exception()).isInstanceOf(NoSuchFileException.class);
+        assertThat(ctx2.exception()).isEqualTo(sdkClientException);
 
         verifyNoMoreInteractions(listener);
     }