Java tutorial
/* * Licensed 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 io.prestosql.plugin.hive.s3; import io.airlift.units.DataSize; import io.airlift.units.Duration; import org.apache.hadoop.conf.Configuration; import javax.inject.Inject; import java.io.File; public class PrestoS3ConfigurationUpdater implements S3ConfigurationUpdater { private final String awsAccessKey; private final String awsSecretKey; private final String endpoint; private final PrestoS3SignerType signerType; private final boolean pathStyleAccess; private final boolean useInstanceCredentials; private final boolean sslEnabled; private final boolean sseEnabled; private final PrestoS3SseType sseType; private final String encryptionMaterialsProvider; private final String kmsKeyId; private final String sseKmsKeyId; private final int maxClientRetries; private final int maxErrorRetries; private final Duration maxBackoffTime; private final Duration maxRetryTime; private final Duration connectTimeout; private final Duration socketTimeout; private final int maxConnections; private final DataSize multipartMinFileSize; private final DataSize multipartMinPartSize; private final File stagingDirectory; private final boolean pinClientToCurrentRegion; private final String userAgentPrefix; private final PrestoS3AclType aclType; @Inject public PrestoS3ConfigurationUpdater(HiveS3Config config) { this.awsAccessKey = config.getS3AwsAccessKey(); this.awsSecretKey = config.getS3AwsSecretKey(); this.endpoint = config.getS3Endpoint(); this.signerType = config.getS3SignerType(); this.pathStyleAccess = config.isS3PathStyleAccess(); this.useInstanceCredentials = config.isS3UseInstanceCredentials(); this.sslEnabled = config.isS3SslEnabled(); this.sseEnabled = config.isS3SseEnabled(); this.sseType = config.getS3SseType(); this.encryptionMaterialsProvider = config.getS3EncryptionMaterialsProvider(); this.kmsKeyId = config.getS3KmsKeyId(); this.sseKmsKeyId = config.getS3SseKmsKeyId(); this.maxClientRetries = config.getS3MaxClientRetries(); this.maxErrorRetries = config.getS3MaxErrorRetries(); this.maxBackoffTime = config.getS3MaxBackoffTime(); this.maxRetryTime = config.getS3MaxRetryTime(); this.connectTimeout = config.getS3ConnectTimeout(); this.socketTimeout = config.getS3SocketTimeout(); this.maxConnections = config.getS3MaxConnections(); this.multipartMinFileSize = config.getS3MultipartMinFileSize(); this.multipartMinPartSize = config.getS3MultipartMinPartSize(); this.stagingDirectory = config.getS3StagingDirectory(); this.pinClientToCurrentRegion = config.isPinS3ClientToCurrentRegion(); this.userAgentPrefix = config.getS3UserAgentPrefix(); this.aclType = config.getS3AclType(); } @Override public void updateConfiguration(Configuration config) { // re-map filesystem schemes to match Amazon Elastic MapReduce config.set("fs.s3.impl", PrestoS3FileSystem.class.getName()); config.set("fs.s3a.impl", PrestoS3FileSystem.class.getName()); config.set("fs.s3n.impl", PrestoS3FileSystem.class.getName()); if (awsAccessKey != null) { config.set(S3_ACCESS_KEY, awsAccessKey); } if (awsSecretKey != null) { config.set(S3_SECRET_KEY, awsSecretKey); } if (endpoint != null) { config.set(S3_ENDPOINT, endpoint); } if (signerType != null) { config.set(S3_SIGNER_TYPE, signerType.name()); } config.setBoolean(S3_PATH_STYLE_ACCESS, pathStyleAccess); config.setBoolean(S3_USE_INSTANCE_CREDENTIALS, useInstanceCredentials); config.setBoolean(S3_SSL_ENABLED, sslEnabled); config.setBoolean(S3_SSE_ENABLED, sseEnabled); config.set(S3_SSE_TYPE, sseType.name()); if (encryptionMaterialsProvider != null) { config.set(S3_ENCRYPTION_MATERIALS_PROVIDER, encryptionMaterialsProvider); } if (kmsKeyId != null) { config.set(S3_KMS_KEY_ID, kmsKeyId); } if (sseKmsKeyId != null) { config.set(S3_SSE_KMS_KEY_ID, sseKmsKeyId); } config.setInt(S3_MAX_CLIENT_RETRIES, maxClientRetries); config.setInt(S3_MAX_ERROR_RETRIES, maxErrorRetries); config.set(S3_MAX_BACKOFF_TIME, maxBackoffTime.toString()); config.set(S3_MAX_RETRY_TIME, maxRetryTime.toString()); config.set(S3_CONNECT_TIMEOUT, connectTimeout.toString()); config.set(S3_SOCKET_TIMEOUT, socketTimeout.toString()); config.set(S3_STAGING_DIRECTORY, stagingDirectory.toString()); config.setInt(S3_MAX_CONNECTIONS, maxConnections); config.setLong(S3_MULTIPART_MIN_FILE_SIZE, multipartMinFileSize.toBytes()); config.setLong(S3_MULTIPART_MIN_PART_SIZE, multipartMinPartSize.toBytes()); config.setBoolean(S3_PIN_CLIENT_TO_CURRENT_REGION, pinClientToCurrentRegion); config.set(S3_USER_AGENT_PREFIX, userAgentPrefix); config.set(S3_ACL_TYPE, aclType.name()); } }