org.beangle.data.serialize.marshal.TupleMarshaller.scala Maven / Gradle / Ivy
/*
* Beangle, Agile Development Scaffold and Toolkit
*
* Copyright (c) 2005-2016, Beangle Software.
*
* Beangle is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Beangle is distributed in the hope that it will be useful.
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Beangle. If not, see .
*/
package org.beangle.data.serialize.marshal
import org.beangle.data.serialize.io.StreamWriter
import org.beangle.data.serialize.mapper.Mapper
import Type.Type
class TupleConvertor(mapper: Mapper) extends Marshaller[Product] {
def marshal(source: Product, writer: StreamWriter, context: MarshallingContext): Unit = {
val iter = source.productIterator
var i = 0
writer.addAttribute("class", "tuple");
while (iter.hasNext) {
val item = iter.next
i = i + 1
writeItem(item.asInstanceOf[AnyRef], writer, context, i)
}
}
override def support(clazz: Class[_]): Boolean = {
clazz.getSimpleName().startsWith("Tuple")
}
protected def writeItem(item: AnyRef, writer: StreamWriter, context: MarshallingContext, index: Int) {
val realitem = extractOption(item)
if (realitem == null) {
writer.startNode(mapper.serializedClass(classOf[Null]), classOf[Null])
writer.addAttribute("index", String.valueOf(index))
} else {
val name = mapper.serializedClass(realitem.getClass)
writer.startNode(name, realitem.getClass)
writer.addAttribute("index", String.valueOf(index))
context.marshal(realitem)
}
writer.endNode()
}
override def targetType: Type = {
Type.Collection
}
}
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