zad2

/**
 *
 *  @author Kmiecik Mateusz S16412
 *
 */

package zad2;

import javax.swing.JFrame
import javax.swing.JOptionPane

class Main {
    static void main(String... args) {

        def frame = new JFrame("#2")

        def getData =  {...dataArgs ->
            def type = String
            def checker = {true}

            if(dataArgs.size() == 2) {
                type = dataArgs[0]
                checker = dataArgs[1]
            }

            if(dataArgs.size() == 1) {
                if(dataArgs[0] instanceof Class) {
                    type = dataArgs[0]
                } else {
                    checker = dataArgs[0]
                }
            }

            def splitted = []
            def input = ''
            def correct = false
            def firstInput = true

            while(!correct) {
                def message = firstInput ? "Podaj napis" : "[POPRAW] Podaj napis"

                input = JOptionPane.showInputDialog(frame, message, input)
                if(input == null) {
                    break
                }
                if(firstInput == true) {
                    firstInput = false
                }
                splitted = input.split(' ').grep()

                def allWordsCorrect = true && splitted.size() > 0
                def inType = splitted.collect({
                    try {
                        return it.asType(type)
                    } catch(err) {
                        println 'wrong'
                        println err
                        allWordsCorrect = false
                    }
                })

                correct = allWordsCorrect && inType.every({
                    checker(it)
                })
            }

            splitted
        }

        println getData(Integer) { it > 0 }            // liczby całkowite większe od 0
        println getData() { it.size() > 3 }   // słowa o długości większej od 3 (domyślny typ: String)
        println getData()                          // dowolne napisy (słowa)
        println getData(BigDecimal)         // dowolne liczby

        System.exit(0)
    }
}