beranradek

package com.spinoco.dojo

import scalaz.concurrent.Task
import scalaz.stream.{ process1, Process }
import Process._
import scala.concurrent.duration._
import scalaz.stream.io

/*
  Time to put it all together.

beranradek

package com.spinoco.dojo

import scalaz.stream.Process
import Process._
import scalaz.concurrent.Task
import scala.util.Random

object Dojo extends Dojo

trait Dojo {

beranradek

private static final FormMapping<Registration> registrationForm =
Forms.automatic(Registration.class, "registration")
  .nested(Forms.automatic(Address.class, "contactAddress", 
    Forms.factoryMethod(Address.class, "getInstance")).build())
  .build();

beranradek

private static final FormMapping<RegDate> regDateMapping = 
  Forms.basic(RegDate.class, "regDate").fields("month", "year").build();
private static final FormMapping<Registration> registrationForm =
	Forms.basic(Registration.class, "registration")
	  // whitelist of properties to bind
	  .fields("attendanceReasons", "cv", "interests", "email")
	  .nested(Forms.automatic(UploadedFileWrapper.class, "certificates", 
	    null, MappingType.LIST).build())
	  .nested(Forms.basic(Address.class, "contactAddress", 
	    Forms.factoryMethod(Address.class, "getInstance"))

beranradek

private static final FormMapping<Person> personForm =
  Forms.automatic(Person.class, "person").build();
…
FormData<Person> formData = new FormData<Person>(person, null);
FormMapping<Person> filledForm = personForm.fill(formData);
// push filledForm to template …
…
FormData<Person> formData = personForm.bind(
  new HttpServletRequestParams(request));
if (formData.isValid()) {

beranradek

/**
 * Dumps (possibly large) database table to SQL file or more files
 * according to MaxRecordsPerFile parameter.  
 * @author Radek Beran
 */
import java.io._
import java.sql._

// --- SCRIPT PARAMETERS ---
val DriverName = "com.mysql.jdbc.Driver"

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val parSeq: ParSeq[Int] = List(3, 4, 5).par

beranradek

(for {
  m <- models.view // vytvoří non-strict view pamatující si lazy vykonávané operace
  if m.carMaker == CarMaker.Porsche
  price <- m.price // transformace na kolekci obsahující ceny
} yield price).sum

beranradek

val parSeq: ParSeq[Int] = List(3, 4, 5).par

beranradek

// Posčítání cen automobilů, jejichž výrobcem je Porsche:
case class CarModel(carMaker: CarMaker.Value, name: String, price: Option[Int])
val models: List[CarModel] = List(...)
models.view.filter(_.carMaker == CarMaker.Porsche).map(_.price.getOrElse(0)).sum