Xml data parser Stream to ArrayList with integration converter of Windows-1251 to Utf8 (Actual for android platform, for example).

XmlParser

import org.xmlpull.v1.XmlPullParser
import org.xmlpull.v1.XmlPullParserException
import org.xmlpull.v1.XmlPullParserFactory
import java.io.IOException
import java.io.InputStream
import java.math.BigDecimal
import java.nio.charset.Charset
import java.util.ArrayList

class XmlParser {
    private val list:ArrayList<T> = ArrayList()
    private var obj: Object? = null
    private var text: String = ""

    fun parseXmlToArrayList(inputStream: InputStream): ArrayList<T> {
        val factory = XmlPullParserFactory.newInstance()
        factory.isNamespaceAware = false
        
        val parser = factory.newPullParser()
        parser?.setInput(inputStream, null)
        
        var event = parser.eventType
        
        try {
            while (event != XmlPullParser.END_DOCUMENT) {
                when(event){
                    XmlPullParser.START_TAG -> if (parser.name.equals("%ATTR_NAME%", ignoreCase = true)){
                        obj = Object()
                    }
                    
                    XmlPullParser.TEXT -> text = parser.text

                    XmlPullParser.END_TAG -> when {
                        parser.name.equals("%ATTR_NAME%", ignoreCase = true) -> {
                            obj?.let {
                                list.add(it)
                            }
                        }
                        
                        parser.name.equals("%ATTR_NAME%", ignoreCase = true) -> {
                            obj!!.value = Integer.parseInt(text)
                        }
                        
                        parser.name.equals("%ATTR_NAME%", ignoreCase = true) -> {
                            obj!!.textValue = cp1251toUtf8(text)
                        }
                        
                        parser.name.equals("Value", ignoreCase = true) -> {
                            currency!!.value = text.replace(',','.').toBigDecimal()
                        }
                    }
                }

                event = parser.next()
            }
        } catch (ex: XmlPullParserException) {

        } catch (ex: IOException) {

        }

        return list
    }

    private fun cp1251toUtf8(text:String): String{
        val w1251: Charset = charset("Windows-1251")
        val utf8: Charset = charset("utf-8")
        return text.toByteArray(w1251).toString(utf8)
    }
}