com.crealytics.spark.v2.excel.ExcelWriteBuilder.scala Maven / Gradle / Ivy
/** Copyright 2016 - 2021 Martin Mauch (@nightscape)
*
* 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 com.crealytics.spark.v2.excel
import org.apache.hadoop.mapreduce.Job
import org.apache.hadoop.mapreduce.TaskAttemptContext
import org.apache.spark.sql.connector.write.LogicalWriteInfo
import org.apache.spark.sql.execution.datasources.OutputWriter
import org.apache.spark.sql.execution.datasources.OutputWriterFactory
import org.apache.spark.sql.execution.datasources.v2.FileWrite
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.types.DataType
import org.apache.spark.sql.types.StructType
case class ExcelWriteBuilder(
paths: Seq[String],
formatName: String,
supportsDataType: DataType => Boolean,
info: LogicalWriteInfo
) extends FileWrite {
override def prepareWrite(
sqlConf: SQLConf,
job: Job,
options: Map[String, String],
dataSchema: StructType
): OutputWriterFactory = {
val excelOptions = new ExcelOptions(options, sqlConf.sessionLocalTimeZone)
new OutputWriterFactory {
override def newInstance(path: String, dataSchema: StructType, context: TaskAttemptContext): OutputWriter = {
new ExcelOutputWriter(path, dataSchema, context, excelOptions)
}
override def getFileExtension(context: TaskAttemptContext): String =
s".${excelOptions.fileExtension}"
}
}
}