content: /*
   * 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.carbon.flink;
  
  import java.io.IOException;
  import java.util.Properties;
  import java.util.UUID;
  
  import org.apache.carbondata.core.metadata.schema.table.CarbonTable;
  import org.apache.carbondata.core.util.ThreadLocalSessionInfo;
  
  public final class CarbonS3WriterFactory extends CarbonWriterFactory {
  
    private static final long serialVersionUID = 2302824357711095245L;
  
    @Override
    public String getType() {
      return CarbonS3WriterFactoryBuilder.TYPE;
    }
  
    @Override
    protected CarbonS3Writer create0() throws IOException {
      final Properties writerProperties = this.getConfiguration().getWriterProperties();
      final String writeTempPath = writerProperties.getProperty(CarbonS3Property.DATA_TEMP_PATH);
      if (writeTempPath == null) {
        throw new IllegalArgumentException(
            "Writer property [" + CarbonS3Property.DATA_TEMP_PATH + "] is not set."
        );
      }
      final String writerIdentifier = UUID.randomUUID().toString();
      final String writePath = writeTempPath + writerIdentifier.replace("-", "") + "/";
      final CarbonTable table = this.getTable();
      return new CarbonS3Writer(this, writerIdentifier, table,
          writePath, this.getS3Configuration());
    }
  
    @Override
    protected CarbonS3Writer create0(final String identifier, final String path)
        throws IOException {
      return new CarbonS3Writer(this, identifier, this.getTable(),
          path, this.getS3Configuration());
    }
  
    @Override
    protected CarbonTable getTable() throws IOException {
      this.setS3Configuration(this.getS3Configuration());
      return super.getTable();
    }
  
    private org.apache.hadoop.conf.Configuration getS3Configuration() {
      final Properties writerProperties = this.getConfiguration().getWriterProperties();
      final String accessKey = writerProperties.getProperty(CarbonS3Property.ACCESS_KEY);
      final String secretKey = writerProperties.getProperty(CarbonS3Property.SECRET_KEY);
      final String endpoint = writerProperties.getProperty(CarbonS3Property.ENDPOINT);
      if (accessKey == null) {
        throw new IllegalArgumentException(
                "Writer property [" + CarbonS3Property.ACCESS_KEY + "] is not set."
        );
      }
      if (secretKey == null) {
        throw new IllegalArgumentException(
                "Writer property [" + CarbonS3Property.SECRET_KEY + "] is not set."
        );
      }
      if (endpoint == null) {
        throw new IllegalArgumentException(
                "Writer property [" + CarbonS3Property.ENDPOINT + "] is not set."
        );
      }
      final org.apache.hadoop.conf.Configuration configuration =
          new org.apache.hadoop.conf.Configuration(true);
      configuration.set("fs.s3.access.key", accessKey);
      configuration.set("fs.s3.secret.key", secretKey);
      configuration.set("fs.s3.endpoint", endpoint);
      configuration.set("fs.s3.impl", "org.apache.hadoop.fs.s3a.S3AFileSystem");
      configuration.set("spark.hadoop.fs.s3.impl", "org.apache.hadoop.fs.s3a.S3AFileSystem");
      configuration.set("fs.s3a.access.key", accessKey);
      configuration.set("fs.s3a.secret.key", secretKey);
      configuration.set("fs.s3a.endpoint", endpoint);
      configuration.set("fs.s3a.impl", "org.apache.hadoop.fs.s3a.S3AFileSystem");
      configuration.set("spark.hadoop.fs.s3a.impl", "org.apache.hadoop.fs.s3a.S3AFileSystem");
      return configuration;
    }
  
    private void setS3Configuration(final org.apache.hadoop.conf.Configuration configuration) {
      ThreadLocalSessionInfo.setConfigurationToCurrentThread(configuration);
    }
  
  }
  