scala.beans.ScalaBeanInfo.scala Maven / Gradle / Ivy
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Standard library for the Scala Programming Language
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.beans
/** Provides some simple runtime processing necessary to create
* JavaBean descriptors for Scala entities. The compiler creates
* subclasses of this class automatically when the BeanInfo annotation is
* attached to a class.
*
* @author Ross Judson ([email protected])
*/
abstract class ScalaBeanInfo(clazz: java.lang.Class[_],
props: Array[String],
methods: Array[String]) extends java.beans.SimpleBeanInfo {
import java.beans._
private val pd = new Array[PropertyDescriptor](props.length / 3)
private val md =
for (m <- clazz.getMethods if methods.exists(_ == m.getName))
yield new MethodDescriptor(m)
init
override def getPropertyDescriptors() = pd
override def getMethodDescriptors() = md
// override def getAdditionalBeanInfo() = Array(Introspector getBeanInfo clazz.getSuperclass)
private def init() {
var i = 0;
while (i < props.length) {
pd(i/3) = new PropertyDescriptor(props(i), clazz, props(i+1), props(i+2))
i = i + 3;
}
}
}