org.geomesa.gs.wps.output.ArrowProcessIO.scala Maven / Gradle / Ivy
/***********************************************************************
* Copyright (c) 2013-2017 Commonwealth Computer Research, Inc.
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the GNU GENERAL PUBLIC LICENSE,
* Version 2 which accompanies this distribution and is available at
* https://opensource.org/licenses/GPL-2.0.
***********************************************************************/
package org.geomesa.gs.wps.output
import java.io.{InputStream, OutputStream}
import org.geomesa.gs.wfs.output.ArrowOutputFormat
import org.geoserver.wps.ppio.BinaryPPIO
import org.geoserver.wps.ppio.ProcessParameterIO.PPIODirection
/**
* WPS output formatting for arrow. Does not support input formatting.
*/
class ArrowProcessIO extends BinaryPPIO(classOf[java.util.Iterator[Array[Byte]]],
classOf[java.util.Iterator[Array[Byte]]], ArrowOutputFormat.MimeType) {
override def getDirection: PPIODirection = PPIODirection.ENCODING
override def encode(value: AnyRef, os: OutputStream): Unit = {
import scala.collection.JavaConversions._
value.asInstanceOf[java.util.Iterator[Array[Byte]]].foreach(os.write)
}
override def decode(input: InputStream): AnyRef = throw new NotImplementedError("Only supports encode")
override def getFileExtension: String = ".arrow"
}