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shrine-medco/commons/protocol/src/main/scala/net/shrine/serialization/I2b2UnmarshallingHelpers.scala
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I2b2UnmarshallingHelpers.scala
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package net.shrine.serialization
import scala.xml.NodeSeq
import scala.util.Try
import net.shrine.protocol.RequestHeader
import net.shrine.util.{Tries, NodeSeqEnrichments}
import scala.concurrent.duration.Duration
import net.shrine.protocol.RequestType
import net.shrine.protocol.CrcRequestType
import net.shrine.protocol.AuthenticationInfo
/**
* @author clint
* @since Oct 30, 2014
*/
trait I2b2UnmarshallingHelpers {
final def i2b2Header(xml: NodeSeq): Try[RequestHeader] = {
for {
projectId <- i2b2ProjectId(xml)
waitTime <- i2b2WaitTime(xml)
authn <- i2b2AuthenticationInfo(xml)
} yield {
RequestHeader(projectId, waitTime, authn)
}
}
import NodeSeqEnrichments.Strictness._
final def i2b2ProjectId(xml: NodeSeq): Try[String] = (xml withChild "message_header" withChild "project_id").map(_.text)
final def i2b2WaitTime(xml: NodeSeq): Try[Duration] = {
import scala.concurrent.duration._
(xml withChild "request_header" withChild "result_waittime_ms").map(_.text.toLong.milliseconds)
}
final def i2b2AuthenticationInfo(xml: NodeSeq): Try[AuthenticationInfo] = (xml withChild "message_header" withChild "security").flatMap(AuthenticationInfo.fromI2b2)
final def i2b2RequestType(xml: NodeSeq): Try[RequestType] = {
import Tries.toTry
lazy val error = new Exception(s"Couldn't determine CRC request type from '$xml'")
for {
i2b2ReqTypeName <- xml.withChild("message_body").withChild("psmheader").withChild("request_type").map(_.text.trim)
crcRequestType <-toTry(CrcRequestType.withI2b2RequestType(i2b2ReqTypeName))(error)
requestType <- toTry(RequestType.withCrcRequestType(crcRequestType))(error)
} yield requestType
}
}
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