com.nthportal.versions.extensions.RichExtensionParser.scala Maven / Gradle / Ivy

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A Scala library for representing versions as objects.

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package com.nthportal.versions
package extensions

/**
  * An [[ExtensionParser]] with extra utility methods.
  *
  * @tparam E the type of the version extension
  * @define ext E
  */
private[extensions] trait RichExtensionParser[E] extends ExtensionParser[E] {
  /**
    * Returns a parser for $ext extensions.
    *
    * @return a parser for $ext extensions
    */
  implicit def extensionParser: ExtensionParser[E] = this

  /**
    * Throws an [[IllegalArgumentException]] for an invalid extension.
    *
    * @param extension the invalid extension string
    * @param cause the exception making the extension invalid (`null` if none)
    * @throws IllegalArgumentException always
    * @return Nothing
    */
  @throws[IllegalArgumentException]
  protected def invalidExtension(extension: String, cause: Throwable = null): Nothing = {
    throw new IllegalArgumentException(s"Invalid extension: $extension", cause)
  }
}