Lift Framework example source code file (MappedUniqueId.scala)

This example Lift Framework source code file (MappedUniqueId.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lift Framework tags/keywords

box, box, female, genders, i18ngender, int, int, male, mappeduniqueid, mapper, string, string, t, t

The Lift Framework MappedUniqueId.scala source code

/*
 * Copyright 2006-2011 WorldWide Conferencing, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.liftweb
package mapper

import net.liftweb.common._
import net.liftweb.util._
import Helpers._
import net.liftweb.http.{S, SHtml}
import scala.xml.NodeSeq
import net.liftweb.http.js._

abstract class MappedUniqueId[T<:Mapper[T]](override val fieldOwner: T, override val maxLen: Int) extends MappedString[T](fieldOwner, maxLen) {
  override def writePermission_? = false
  override lazy val defaultValue = randomString(maxLen)

  def reset(): T = this(randomString(maxLen))
}

/**
  * A field that holds the birth year for the user
  */
abstract class MappedBirthYear[T <: Mapper[T]](owner: T, minAge: Int) extends MappedInt[T](owner) {
  override def defaultValue = year(timeNow) - minAge

  override def _toForm: Box[NodeSeq] = {
    val end = (year(timeNow) - minAge)
    val start = end - 100
    Full(SHtml.selectObj((start to end).
		  toList.
		  reverse.
		  map(y => (y, y.toString)),
		  Full(is), this.set) % ("id" -> fieldId))
  }
}

abstract class MappedGender[T <: Mapper[T]](owner: T) extends MappedEnum(owner, Genders) {
  override def defaultValue = Genders.Male
}

object Genders extends Enumeration {

  val Male = new I18NGender(1, "male")
  val Female = new I18NGender(2, "female")

  class I18NGender(id : Int, name: String) extends Val(id, name) {
    override def toString = {
      S.??(name)
    }
  }
}

abstract class MappedStringIndex[T<:Mapper[T]](override val fieldOwner: T, override val maxLen: Int) extends MappedUniqueId[T](fieldOwner, maxLen) with IndexedField[String] {

  override def writePermission_? = false // not writable

  override def dbIndexed_? = true

  def defined_? = i_is_! ne null

  override def dbPrimaryKey_? = true

  override def dbDisplay_? = false

  def makeKeyJDBCFriendly(in: String) = in

  def convertKey(in: String): Box[String] = Box.legacyNullTest(in)
  def convertKey(in: Int): Box[String] = Full(in.toString)
  def convertKey(in: Long): Box[String] = Full(in.toString)
  def convertKey(in: AnyRef): Box[String] =
    Box.legacyNullTest(in).map(_.toString)
}