Scala example source code file (Atom.scala)

This example Scala source code file (Atom.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 - Scala tags/keywords

a, any, atom, atom, equality, equality, illegalargumentexception, pcdata, seq, seq, serializable, specialnode, specialnode, string

The Scala Atom.scala source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003-2011, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */


package scala.xml

/** The class <code>Atom provides an XML node for text (PCDATA).
 *  It is used in both non-bound and bound XML representations.
 *
 *  @author Burak Emir
 *  @param text the text contained in this node, may not be <code>null.
 */
class Atom[+A](val data: A) extends SpecialNode with Serializable
{  
  if (data == null)
    throw new IllegalArgumentException("cannot construct Atom(null)")

  override def basisForHashCode: Seq[Any] = Seq(data)
  override def strict_==(other: Equality) = other match {
    case x: Atom[_] => data == x.data
    case _          => false
  }
  override def canEqual(other: Any) = other match {
    case _: Atom[_] => true
    case _          => false
  }

  final override def doCollectNamespaces = false
  final override def doTransform         = false
  
  def label = "#PCDATA"

  /** Returns text, with some characters escaped according to the XML
   *  specification.
   *
   *  @param  sb ...
   *  @return ...
   */
  def buildString(sb: StringBuilder) =
    Utility.escape(data.toString(), sb)

  override def text: String = data.toString()

}