method2testcases
stringlengths
118
6.63k
### Question: CreateTableEnhancedRequest { public Builder toBuilder() { return builder().provisionedThroughput(provisionedThroughput) .localSecondaryIndices(localSecondaryIndices) .globalSecondaryIndices(globalSecondaryIndices); } private CreateTableEnhancedRequest(Builder builder); static Builder builder(); Builder t...
### Question: DeleteItemEnhancedRequest { public Builder toBuilder() { return builder().key(key).conditionExpression(conditionExpression); } private DeleteItemEnhancedRequest(Builder builder); static Builder builder(); Builder toBuilder(); Key key(); Expression conditionExpression(); @Override boolean equals(Object o)...
### Question: QueryEnhancedRequest { public static Builder builder() { return new Builder(); } private QueryEnhancedRequest(Builder builder); static Builder builder(); Builder toBuilder(); QueryConditional queryConditional(); Map<String, AttributeValue> exclusiveStartKey(); Boolean scanIndexForward(); Integer limit();...
### Question: QueryEnhancedRequest { public Builder toBuilder() { return builder().queryConditional(queryConditional) .exclusiveStartKey(exclusiveStartKey) .scanIndexForward(scanIndexForward) .limit(limit) .consistentRead(consistentRead) .filterExpression(filterExpression) .addNestedAttributesToProject(attributesToProj...
### Question: UpdateItemEnhancedRequest { public Builder<T> toBuilder() { return new Builder<T>().item(item).ignoreNulls(ignoreNulls); } private UpdateItemEnhancedRequest(Builder<T> builder); static Builder<T> builder(Class<? extends T> itemClass); Builder<T> toBuilder(); T item(); Boolean ignoreNulls(); Expression co...
### Question: BatchGetItemEnhancedRequest { public Builder toBuilder() { return new Builder().readBatches(readBatches); } private BatchGetItemEnhancedRequest(Builder builder); static Builder builder(); Builder toBuilder(); Collection<ReadBatch> readBatches(); @Override boolean equals(Object o); @Override int hashCode(...
### Question: ExceptionTranslationInterceptor implements ExecutionInterceptor { @Override public Throwable modifyException(Context.FailedExecution context, ExecutionAttributes executionAttributes) { if (!isS3Exception404(context.exception()) || !isHeadRequest(context.request())) { return context.exception(); } String m...
### Question: ImmutableAttribute { public Builder<T, B, R> toBuilder() { return new Builder<T, B, R>(this.type).name(this.name) .getter(this.getter) .setter(this.setter) .tags(this.tags) .attributeConverter(this.attributeConverter); } private ImmutableAttribute(Builder<T, B, R> builder); static Builder<T, B, R> builde...
### Question: StaticImmutableTableSchema implements TableSchema<T> { @Override public EnhancedType<T> itemType() { return this.itemType; } private StaticImmutableTableSchema(Builder<T, B> builder); static Builder<T, B> builder(Class<T> itemClass, Class<B> builderClass); @Override StaticTableMetadata tableMetadata(); @...
### Question: StaticImmutableTableSchema implements TableSchema<T> { @Override public StaticTableMetadata tableMetadata() { return tableMetadata; } private StaticImmutableTableSchema(Builder<T, B> builder); static Builder<T, B> builder(Class<T> itemClass, Class<B> builderClass); @Override StaticTableMetadata tableMeta...
### Question: StaticImmutableTableSchema implements TableSchema<T> { @Override public Map<String, AttributeValue> itemToMap(T item, boolean ignoreNulls) { Map<String, AttributeValue> attributeValueMap = new HashMap<>(); attributeMappers.forEach(attributeMapper -> { String attributeKey = attributeMapper.attributeName();...
### Question: StaticImmutableTableSchema implements TableSchema<T> { @Override public T mapToItem(Map<String, AttributeValue> attributeMap) { B builder = null; Map<FlattenedMapper<T, B, ?>, Map<String, AttributeValue>> flattenedAttributeValuesMap = new LinkedHashMap<>(); for (Map.Entry<String, AttributeValue> entry : a...
### Question: S3Utilities { public static Builder builder() { return new Builder(); } private S3Utilities(Builder builder); static Builder builder(); URL getUrl(Consumer<GetUrlRequest.Builder> getUrlRequest); URL getUrl(GetUrlRequest getUrlRequest); }### Answer: @Test (expected = NullPointerException.class) public vo...
### Question: StaticAttribute { public Builder<T, R> toBuilder() { return new Builder<>(this.delegateAttribute.toBuilder()); } private StaticAttribute(Builder<T, R> builder); static Builder<T, R> builder(Class<T> itemClass, EnhancedType<R> attributeType); static Builder<T, R> builder(Class<T> itemClass, Class<R> attri...
### Question: EnableTrailingChecksumInterceptor implements ExecutionInterceptor { @Override public SdkHttpRequest modifyHttpRequest(Context.ModifyHttpRequest context, ExecutionAttributes executionAttributes) { if (getObjectChecksumEnabledPerRequest(context.request(), executionAttributes)) { return context.httpRequest()...
### Question: Key { public Optional<AttributeValue> sortKeyValue() { return Optional.ofNullable(sortValue); } private Key(Builder builder); static Builder builder(); Map<String, AttributeValue> keyMap(TableSchema<?> tableSchema, String index); AttributeValue partitionKeyValue(); Optional<AttributeValue> sortKeyValue()...
### Question: Key { public Builder toBuilder() { return new Builder().partitionValue(this.partitionValue).sortValue(this.sortValue); } private Key(Builder builder); static Builder builder(); Map<String, AttributeValue> keyMap(TableSchema<?> tableSchema, String index); AttributeValue partitionKeyValue(); Optional<Attri...
### Question: Key { public static Builder builder() { return new Builder(); } private Key(Builder builder); static Builder builder(); Map<String, AttributeValue> keyMap(TableSchema<?> tableSchema, String index); AttributeValue partitionKeyValue(); Optional<AttributeValue> sortKeyValue(); Map<String, AttributeValue> pr...
### Question: ApplyUserAgentInterceptor implements ExecutionInterceptor { @Override public SdkRequest modifyRequest(Context.ModifyRequest context, ExecutionAttributes executionAttributes) { if (!(context.request() instanceof DynamoDbRequest)) { return context.request(); } DynamoDbRequest request = (DynamoDbRequest) con...
### Question: ScanOperation implements PaginatedTableOperation<T, ScanRequest, ScanResponse>, PaginatedIndexOperation<T, ScanRequest, ScanResponse> { @Override public Function<ScanRequest, SdkIterable<ScanResponse>> serviceCall(DynamoDbClient dynamoDbClient) { return dynamoDbClient::scanPaginator; } private Sc...
### Question: ScanOperation implements PaginatedTableOperation<T, ScanRequest, ScanResponse>, PaginatedIndexOperation<T, ScanRequest, ScanResponse> { @Override public Function<ScanRequest, SdkPublisher<ScanResponse>> asyncServiceCall(DynamoDbAsyncClient dynamoDbAsyncClient) { return dynamoDbAsyncClient::scanPag...
### Question: ScanOperation implements PaginatedTableOperation<T, ScanRequest, ScanResponse>, PaginatedIndexOperation<T, ScanRequest, ScanResponse> { @Override public ScanRequest generateRequest(TableSchema<T> tableSchema, OperationContext operationContext, DynamoDbEnhancedClientExtension extension) { Map<Strin...
### Question: ScanOperation implements PaginatedTableOperation<T, ScanRequest, ScanResponse>, PaginatedIndexOperation<T, ScanRequest, ScanResponse> { @Override public Page<T> transformResponse(ScanResponse response, TableSchema<T> tableSchema, OperationContext context, DynamoDbEnhancedClientExtension dynamoDbEn...
### Question: EnableTrailingChecksumInterceptor implements ExecutionInterceptor { @Override public SdkResponse modifyResponse(Context.ModifyResponse context, ExecutionAttributes executionAttributes) { SdkResponse response = context.response(); SdkHttpResponse httpResponse = context.httpResponse(); if (getObjectChecksum...
### Question: QueryOperation implements PaginatedTableOperation<T, QueryRequest, QueryResponse>, PaginatedIndexOperation<T, QueryRequest, QueryResponse> { @Override public Function<QueryRequest, SdkIterable<QueryResponse>> serviceCall(DynamoDbClient dynamoDbClient) { return dynamoDbClient::queryPaginator; } pri...
### Question: QueryOperation implements PaginatedTableOperation<T, QueryRequest, QueryResponse>, PaginatedIndexOperation<T, QueryRequest, QueryResponse> { @Override public Function<QueryRequest, SdkPublisher<QueryResponse>> asyncServiceCall(DynamoDbAsyncClient dynamoDbAsyncClient) { return dynamoDbAsyncClient::...
### Question: QueryOperation implements PaginatedTableOperation<T, QueryRequest, QueryResponse>, PaginatedIndexOperation<T, QueryRequest, QueryResponse> { @Override public QueryRequest generateRequest(TableSchema<T> tableSchema, OperationContext operationContext, DynamoDbEnhancedClientExtension extension) { Exp...
### Question: QueryOperation implements PaginatedTableOperation<T, QueryRequest, QueryResponse>, PaginatedIndexOperation<T, QueryRequest, QueryResponse> { @Override public Page<T> transformResponse(QueryResponse response, TableSchema<T> tableSchema, OperationContext context, DynamoDbEnhancedClientExtension dyna...
### Question: MetaTableSchemaCache { public <T> Optional<MetaTableSchema<T>> get(Class<T> mappedClass) { return Optional.ofNullable((MetaTableSchema<T>) cacheMap().get(mappedClass)); } MetaTableSchema<T> getOrCreate(Class<T> mappedClass); Optional<MetaTableSchema<T>> get(Class<T> mappedClass); }### Answer: @Test publ...
### Question: MetaTableSchemaCache { public <T> MetaTableSchema<T> getOrCreate(Class<T> mappedClass) { return (MetaTableSchema<T>) cacheMap().computeIfAbsent( mappedClass, ignored -> MetaTableSchema.create(mappedClass)); } MetaTableSchema<T> getOrCreate(Class<T> mappedClass); Optional<MetaTableSchema<T>> get(Class<T> ...
### Question: DefaultDynamoDbEnhancedAsyncClient implements DynamoDbEnhancedAsyncClient { @Override public <T> DefaultDynamoDbAsyncTable<T> table(String tableName, TableSchema<T> tableSchema) { return new DefaultDynamoDbAsyncTable<>(dynamoDbClient, extension, tableSchema, tableName); } private DefaultDynamoDbEnhancedA...
### Question: DefaultDynamoDbEnhancedAsyncClient implements DynamoDbEnhancedAsyncClient { public Builder toBuilder() { return builder().dynamoDbClient(this.dynamoDbClient).extensions(this.extension); } private DefaultDynamoDbEnhancedAsyncClient(Builder builder); static Builder builder(); @Override DefaultDynamoDbAsync...
### Question: DefaultDynamoDbIndex implements DynamoDbIndex<T> { @Override public Key keyFrom(T item) { return createKeyFromItem(item, tableSchema, indexName); } DefaultDynamoDbIndex(DynamoDbClient dynamoDbClient, DynamoDbEnhancedClientExtension extension, TableSchema<T...
### Question: ExtensionResolver { public static DynamoDbEnhancedClientExtension resolveExtensions(List<DynamoDbEnhancedClientExtension> extensions) { if (extensions == null || extensions.isEmpty()) { return null; } if (extensions.size() == 1) { return extensions.get(0); } return ChainExtension.create(extensions); } pri...
### Question: ExtensionResolver { public static List<DynamoDbEnhancedClientExtension> defaultExtensions() { return DEFAULT_EXTENSIONS; } private ExtensionResolver(); static List<DynamoDbEnhancedClientExtension> defaultExtensions(); static DynamoDbEnhancedClientExtension resolveExtensions(List<DynamoDbEnhancedClientExt...
### Question: DefaultDynamoDbEnhancedClient implements DynamoDbEnhancedClient { @Override public <T> DefaultDynamoDbTable<T> table(String tableName, TableSchema<T> tableSchema) { return new DefaultDynamoDbTable<>(dynamoDbClient, extension, tableSchema, tableName); } private DefaultDynamoDbEnhancedClient(Builder builde...
### Question: DefaultDynamoDbEnhancedClient implements DynamoDbEnhancedClient { public Builder toBuilder() { return builder().dynamoDbClient(this.dynamoDbClient).extensions(this.extension); } private DefaultDynamoDbEnhancedClient(Builder builder); static Builder builder(); @Override DefaultDynamoDbTable<T> table(Strin...
### Question: DefaultDynamoDbTable implements DynamoDbTable<T> { @Override public DefaultDynamoDbIndex<T> index(String indexName) { tableSchema.tableMetadata().indexPartitionKey(indexName); return new DefaultDynamoDbIndex<>(dynamoDbClient, extension, tableSchema, tableName, indexName); } DefaultDynamoDbTable(DynamoDbCl...
### Question: DefaultDynamoDbTable implements DynamoDbTable<T> { @Override public Key keyFrom(T item) { return createKeyFromItem(item, tableSchema, TableMetadata.primaryIndexName()); } DefaultDynamoDbTable(DynamoDbClient dynamoDbClient, DynamoDbEnhancedClientExtension extension, ...
### Question: DefaultDynamoDbAsyncIndex implements DynamoDbAsyncIndex<T> { @Override public Key keyFrom(T item) { return createKeyFromItem(item, tableSchema, indexName); } DefaultDynamoDbAsyncIndex(DynamoDbAsyncClient dynamoDbClient, DynamoDbEnhancedClientExtension extension, ...
### Question: DefaultDynamoDbAsyncTable implements DynamoDbAsyncTable<T> { @Override public DefaultDynamoDbAsyncIndex<T> index(String indexName) { tableSchema.tableMetadata().indexPartitionKey(indexName); return new DefaultDynamoDbAsyncIndex<>(dynamoDbClient, extension, tableSchema, tableName, indexName); } DefaultDyna...
### Question: CreateBucketInterceptor implements ExecutionInterceptor { @Override public SdkRequest modifyRequest(Context.ModifyRequest context, ExecutionAttributes executionAttributes) { SdkRequest sdkRequest = context.request(); if (sdkRequest instanceof CreateBucketRequest) { CreateBucketRequest request = (CreateBuc...
### Question: GetObjectPresignRequest extends PresignRequest implements ToCopyableBuilder<GetObjectPresignRequest.Builder, GetObjectPresignRequest> { public static Builder builder() { return new DefaultBuilder(); } private GetObjectPresignRequest(DefaultBuilder builder); static Builder builder(); GetObjectRequest getO...
### Question: ConverterProviderResolver { public static AttributeConverterProvider resolveProviders(List<AttributeConverterProvider> providers) { if (providers == null || providers.isEmpty()) { return null; } if (providers.size() == 1) { return providers.get(0); } return ChainConverterProvider.create(providers); } priv...
### Question: ConverterProviderResolver { public static AttributeConverterProvider defaultConverterProvider() { return DEFAULT_ATTRIBUTE_CONVERTER; } private ConverterProviderResolver(); static AttributeConverterProvider defaultConverterProvider(); static AttributeConverterProvider resolveProviders(List<AttributeConve...
### Question: EnhancedClientUtils { public static Key createKeyFromMap(Map<String, AttributeValue> itemMap, TableSchema<?> tableSchema, String indexName) { String partitionKeyName = tableSchema.tableMetadata().indexPartitionKey(indexName); Optional<String> sortKeyName = tableSchema.tableMetadata().indexSortKey(indexNam...
### Question: EnhancedClientUtils { public static String cleanAttributeName(String key) { boolean somethingChanged = false; char[] chars = key.toCharArray(); for (int i = 0; i < chars.length; ++i) { if (chars[i] == '*' || chars[i] == '.' || chars[i] == '-' || chars[i] == '#' || chars[i] == ':') { chars[i] = '_'; someth...
### Question: VersionedRecordExtension implements DynamoDbEnhancedClientExtension { public static Builder builder() { return new Builder(); } private VersionedRecordExtension(); static Builder builder(); @Override WriteModification beforeWrite(DynamoDbExtensionContext.BeforeWrite context); }### Answer: @Test public v...
### Question: Expression { public static String joinExpressions(String expression1, String expression2, String joinToken) { if (expression1 == null) { return expression2; } if (expression2 == null) { return expression1; } return "(" + expression1 + ")" + joinToken + "(" + expression2 + ")"; } private Expression(String...
### Question: Expression { public static Map<String, String> joinNames(Map<String, String> expressionNames1, Map<String, String> expressionNames2) { if (expressionNames1 == null) { return expressionNames2; } if (expressionNames2 == null) { return expressionNames1; } Map<String, String> result = new HashMap<>(expression...
### Question: Expression { public static Map<String, AttributeValue> joinValues(Map<String, AttributeValue> expressionValues1, Map<String, AttributeValue> expressionValues2) { if (expressionValues1 == null) { return expressionValues2; } if (expressionValues2 == null) { return expressionValues1; } Map<String, AttributeV...
### Question: StringUtils { public static String upperCase(final String str) { if (str == null) { return null; } return str.toUpperCase(Locale.ENGLISH); } private StringUtils(); static boolean isEmpty(final CharSequence cs); static boolean isBlank(final CharSequence cs); static boolean isNotBlank(final CharSequence cs...
### Question: StringUtils { public static String lowerCase(final String str) { if (str == null) { return null; } return str.toLowerCase(Locale.ENGLISH); } private StringUtils(); static boolean isEmpty(final CharSequence cs); static boolean isBlank(final CharSequence cs); static boolean isNotBlank(final CharSequence cs...
### Question: StringUtils { public static String capitalize(final String str) { if (str == null || str.length() == 0) { return str; } int firstCodepoint = str.codePointAt(0); int newCodePoint = Character.toTitleCase(firstCodepoint); if (firstCodepoint == newCodePoint) { return str; } int[] newCodePoints = new int[str.l...
### Question: StringUtils { public static String uncapitalize(final String str) { if (str == null || str.length() == 0) { return str; } int firstCodepoint = str.codePointAt(0); int newCodePoint = Character.toLowerCase(firstCodepoint); if (firstCodepoint == newCodePoint) { return str; } int[] newCodePoints = new int[str...
### Question: StringUtils { public static boolean startsWithIgnoreCase(String str, String prefix) { return str.regionMatches(true, 0, prefix, 0, prefix.length()); } private StringUtils(); static boolean isEmpty(final CharSequence cs); static boolean isBlank(final CharSequence cs); static boolean isNotBlank(final CharS...
### Question: StringUtils { public static String replacePrefixIgnoreCase(String str, String prefix, String replacement) { return str.replaceFirst("(?i)" + prefix, replacement); } private StringUtils(); static boolean isEmpty(final CharSequence cs); static boolean isBlank(final CharSequence cs); static boolean isNotBla...
### Question: StringUtils { public static Character findFirstOccurrence(String s, char ...charsToMatch) { int lowestIndex = Integer.MAX_VALUE; for (char toMatch : charsToMatch) { int currentIndex = s.indexOf(toMatch); if (currentIndex != -1 && currentIndex < lowestIndex) { lowestIndex = currentIndex; } } return lowestI...
### Question: StringUtils { public static boolean safeStringToBoolean(String value) { if (value.equalsIgnoreCase("true")) { return true; } else if (value.equalsIgnoreCase("false")) { return false; } throw new IllegalArgumentException("Value was defined as '" + value + "', but should be 'false' or 'true'"); } private S...
### Question: NumericUtils { public static Duration min(Duration a, Duration b) { return (a.compareTo(b) < 0) ? a : b; } private NumericUtils(); static int saturatedCast(long value); static Duration min(Duration a, Duration b); static Duration max(Duration a, Duration b); }### Answer: @Test public void minTestDiffere...
### Question: NumericUtils { public static Duration max(Duration a, Duration b) { return (a.compareTo(b) > 0) ? a : b; } private NumericUtils(); static int saturatedCast(long value); static Duration min(Duration a, Duration b); static Duration max(Duration a, Duration b); }### Answer: @Test public void maxTestDiffere...
### Question: FunctionalUtils { public static <T> T invokeSafely(UnsafeSupplier<T> unsafeSupplier) { return safeSupplier(unsafeSupplier).get(); } private FunctionalUtils(); static void runAndLogError(Logger log, String errorMsg, UnsafeRunnable runnable); static Consumer<T> noOpConsumer(); static Runnable noOpRunnable(...
### Question: FunctionalUtils { public static <I> Consumer<I> safeConsumer(UnsafeConsumer<I> unsafeConsumer) { return (input) -> { try { unsafeConsumer.accept(input); } catch (Exception e) { throw asRuntimeException(e); } }; } private FunctionalUtils(); static void runAndLogError(Logger log, String errorMsg, UnsafeRun...
### Question: SyncChecksumValidationInterceptor implements ExecutionInterceptor { @Override public Optional<RequestBody> modifyHttpContent(Context.ModifyHttpRequest context, ExecutionAttributes executionAttributes) { if (shouldRecordChecksum(context.request(), SYNC, executionAttributes, context.httpRequest()) && contex...
### Question: FunctionalUtils { public static <T, R> Function<T, R> safeFunction(UnsafeFunction<T, R> unsafeFunction) { return t -> { try { return unsafeFunction.apply(t); } catch (Exception e) { throw asRuntimeException(e); } }; } private FunctionalUtils(); static void runAndLogError(Logger log, String errorMsg, Unsa...
### Question: Pair { public static <LeftT, RightT> Pair<LeftT, RightT> of(LeftT left, RightT right) { return new Pair<>(left, right); } private Pair(LeftT left, RightT right); LeftT left(); RightT right(); ReturnT apply(BiFunction<LeftT, RightT, ReturnT> function); @Override boolean equals(Object obj); @Override int h...
### Question: Validate { public static void isTrue(final boolean expression, final String message, final Object... values) { if (!expression) { throw new IllegalArgumentException(String.format(message, values)); } } private Validate(); static void isTrue(final boolean expression, final String message, final Object... ...
### Question: Validate { public static <T> T notNull(final T object, final String message, final Object... values) { if (object == null) { throw new NullPointerException(String.format(message, values)); } return object; } private Validate(); static void isTrue(final boolean expression, final String message, final Obje...
### Question: Validate { public static <T extends Comparable<U>, U> T inclusiveBetween(final U start, final U end, final T value, final String message, final Object... values) { if (value.compareTo(start) < 0 || value.compareTo(end) > 0) { throw new IllegalArgumentException(String.format(message, values)); } return val...
### Question: SyncChecksumValidationInterceptor implements ExecutionInterceptor { @Override public Optional<InputStream> modifyHttpResponseContent(Context.ModifyHttpResponse context, ExecutionAttributes executionAttributes) { if (getObjectChecksumEnabledPerResponse(context.request(), context.httpResponse()) && context....
### Question: Validate { public static <T> Class<? extends T> isAssignableFrom(final Class<T> superType, final Class<?> type, final String message, final Object... values) { if (!superType.isAssignableFrom(type)) { throw new IllegalArgumentException(String.format(message, values)); } return (Class<? extends T>) type; }...
### Question: Validate { public static <T> T paramNotNull(final T object, final String paramName) { if (object == null) { throw new NullPointerException(String.format("%s must not be null.", paramName)); } return object; } private Validate(); static void isTrue(final boolean expression, final String message, final Obj...
### Question: Validate { public static <T> T getOrDefault(T param, Supplier<T> defaultValue) { paramNotNull(defaultValue, "defaultValue"); return param != null ? param : defaultValue.get(); } private Validate(); static void isTrue(final boolean expression, final String message, final Object... values); static T notNul...
### Question: Validate { public static void mutuallyExclusive(String message, Object... objs) { boolean oneProvided = false; for (Object o : objs) { if (o != null) { if (oneProvided) { throw new IllegalArgumentException(message); } else { oneProvided = true; } } } } private Validate(); static void isTrue(final boolean...
### Question: Validate { public static <T> void isNull(final T object, final String message, final Object... values) { if (object != null) { throw new IllegalArgumentException(String.format(message, values)); } } private Validate(); static void isTrue(final boolean expression, final String message, final Object... val...
### Question: ReflectionMethodInvoker { public R invoke(T obj, Object... args) throws NoSuchMethodException { Method targetMethod = getTargetMethod(); try { Object rawResult = targetMethod.invoke(obj, args); return returnType.cast(rawResult); } catch (IllegalAccessException | InvocationTargetException e) { throw new Ru...
### Question: Either { public static <L, R> Either<L, R> left(L value) { return new Either<>(Optional.of(value), Optional.empty()); } private Either(Optional<L> l, Optional<R> r); T map( Function<? super L, ? extends T> lFunc, Function<? super R, ? extends T> rFunc); Either<T, R> mapLeft(Functi...
### Question: SyncChecksumValidationInterceptor implements ExecutionInterceptor { @Override public void afterUnmarshalling(Context.AfterUnmarshalling context, ExecutionAttributes executionAttributes) { boolean recordingChecksum = Boolean.TRUE.equals(executionAttributes.getAttribute(SYNC_RECORDING_CHECKSUM)); boolean re...
### Question: GetObjectPresignRequest extends PresignRequest implements ToCopyableBuilder<GetObjectPresignRequest.Builder, GetObjectPresignRequest> { @Override public Builder toBuilder() { return new DefaultBuilder(this); } private GetObjectPresignRequest(DefaultBuilder builder); static Builder builder(); GetObjectReq...
### Question: Either { public static <L, R> Either<L, R> right(R value) { return new Either<>(Optional.empty(), Optional.of(value)); } private Either(Optional<L> l, Optional<R> r); T map( Function<? super L, ? extends T> lFunc, Function<? super R, ? extends T> rFunc); Either<T, R> mapLeft(Funct...
### Question: Either { public static <L, R> Optional<Either<L, R>> fromNullable(L left, R right) { if (left != null && right == null) { return Optional.of(left(left)); } if (left == null && right != null) { return Optional.of(right(right)); } if (left == null && right == null) { return Optional.empty(); } throw new Ill...
### Question: CompletableFutureUtils { public static <T> CompletableFuture<T> forwardExceptionTo(CompletableFuture<T> src, CompletableFuture<?> dst) { src.whenComplete((r, e) -> { if (e != null) { dst.completeExceptionally(e); } }); return src; } private CompletableFutureUtils(); static CompletableFuture<U> failedFutu...
### Question: BufferingSubscriber extends DelegatingSubscriber<T, List<T>> { @Override public void onNext(T t) { currentBuffer.add(t); if (currentBuffer.size() == bufferSize) { subscriber.onNext(currentBuffer); currentBuffer.clear(); } else { subscription.request(1); } } BufferingSubscriber(Subscriber<? super List<T>> ...
### Question: ReflectionUtils { public static Class<?> getWrappedClass(Class<?> clazz) { if (!clazz.isPrimitive()) { return clazz; } return PRIMITIVES_TO_WRAPPERS.getOrDefault(clazz, clazz); } private ReflectionUtils(); static Class<?> getWrappedClass(Class<?> clazz); }### Answer: @Test public void getWrappedClass_pr...
### Question: DateUtils { public static String formatIso8601Date(Instant date) { return ISO_INSTANT.format(date); } private DateUtils(); static Instant parseIso8601Date(String dateString); static String formatIso8601Date(Instant date); static Instant parseRfc1123Date(String dateString); static String formatRfc1123Date...
### Question: DateUtils { public static String formatRfc1123Date(Instant instant) { return RFC_1123_DATE_TIME.format(ZonedDateTime.ofInstant(instant, UTC)); } private DateUtils(); static Instant parseIso8601Date(String dateString); static String formatIso8601Date(Instant date); static Instant parseRfc1123Date(String d...
### Question: DateUtils { public static Instant parseRfc1123Date(String dateString) { if (dateString == null) { return null; } return parseInstant(dateString, RFC_1123_DATE_TIME); } private DateUtils(); static Instant parseIso8601Date(String dateString); static String formatIso8601Date(Instant date); static Instant pa...
### Question: DateUtils { public static Instant parseIso8601Date(String dateString) { if (dateString.endsWith("+0000")) { dateString = dateString .substring(0, dateString.length() - 5) .concat("Z"); } try { return parseInstant(dateString, ISO_INSTANT); } catch (DateTimeParseException e) { return parseInstant(dateString...
### Question: DateUtils { public static long numberOfDaysSinceEpoch(long milliSinceEpoch) { return Duration.ofMillis(milliSinceEpoch).toDays(); } private DateUtils(); static Instant parseIso8601Date(String dateString); static String formatIso8601Date(Instant date); static Instant parseRfc1123Date(String dateString); s...
### Question: HostnameValidator { public static void validateHostnameCompliant(String hostnameComponent, String paramName, String object) { if (StringUtils.isEmpty(hostnameComponent)) { throw new IllegalArgumentException( String.format("The provided %s is not valid: the required '%s' " + "component is missing.", object...
### Question: AsyncChecksumValidationInterceptor implements ExecutionInterceptor { @Override public Optional<AsyncRequestBody> modifyAsyncHttpContent(Context.ModifyHttpRequest context, ExecutionAttributes executionAttributes) { boolean shouldRecordChecksum = shouldRecordChecksum(context.request(), ASYNC, executionAttri...
### Question: IoUtils { public static String toUtf8String(InputStream is) throws IOException { return new String(toByteArray(is), StandardCharsets.UTF_8); } private IoUtils(); static byte[] toByteArray(InputStream is); static String toUtf8String(InputStream is); static void closeQuietly(AutoCloseable is, Logger log); ...
### Question: IoUtils { public static void drainInputStream(InputStream in) { try { while (in.read() != -1) { } } catch (IOException ignored) { } } private IoUtils(); static byte[] toByteArray(InputStream is); static String toUtf8String(InputStream is); static void closeQuietly(AutoCloseable is, Logger log); static vo...
### Question: CachedSupplier implements Supplier<T>, SdkAutoCloseable { public static <T> CachedSupplier.Builder<T> builder(Supplier<RefreshResult<T>> valueSupplier) { return new CachedSupplier.Builder<>(valueSupplier); } private CachedSupplier(Builder<T> builder); static CachedSupplier.Builder<T> builder(Supplier<Ref...
### Question: ComparableUtils { public static <T> int safeCompare(Comparable<T> d1, T d2) { if (d1 != null && d2 != null) { return d1.compareTo(d2); } else if (d1 == null && d2 != null) { return -1; } else if (d1 != null) { return 1; } else { return 0; } } private ComparableUtils(); static int safeCompare(Comparable<T...
### Question: BinaryUtils { public static String toHex(byte[] data) { return Base16Lower.encodeAsString(data); } private BinaryUtils(); static String toHex(byte[] data); static byte[] fromHex(String hexData); static String toBase64(byte[] data); static byte[] toBase64Bytes(byte[] data); static byte[] fromBase64(String...
### Question: BinaryUtils { public static byte[] copyRemainingBytesFrom(ByteBuffer bb) { if (bb == null) { return null; } if (!bb.hasRemaining()) { return EMPTY_BYTE_ARRAY; } if (bb.hasArray()) { int endIdx = bb.arrayOffset() + bb.limit(); int startIdx = endIdx - bb.remaining(); return Arrays.copyOfRange(bb.array(), st...
### Question: Lazy { public T getValue() { T result = value; if (result == null) { synchronized (this) { result = value; if (result == null) { result = initializer.get(); value = result; } } } return result; } Lazy(Supplier<T> initializer); T getValue(); @Override String toString(); }### Answer: @Test public void null...
### Question: AttributeMap implements ToCopyableBuilder<AttributeMap.Builder, AttributeMap>, SdkAutoCloseable { public static Builder builder() { return new Builder(); } private AttributeMap(Map<? extends Key<?>, ?> attributes); boolean containsKey(Key<T> typedKey); T get(Key<T> key); AttributeMap merge(AttributeMap l...
### Question: CollectionUtils { public static boolean isNullOrEmpty(Collection<?> collection) { return collection == null || collection.isEmpty(); } private CollectionUtils(); static boolean isNullOrEmpty(Collection<?> collection); static boolean isNullOrEmpty(Map<?, ?> map); static List<T> mergeLists(List<T> list1, L...