org.ekrich.config.impl.ConfigNodeField.scala Maven / Gradle / Ivy

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Configuration library for Scala using HOCON files

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/**
 *   Copyright (C) 2015 Typesafe Inc. 
 */
package org.ekrich.config.impl

import org.ekrich.config.ConfigException
import java.{util => ju}
import scala.jdk.CollectionConverters._

final class ConfigNodeField(_children: ju.Collection[AbstractConfigNode])
    extends AbstractConfigNode {
  val children = new ju.ArrayList[AbstractConfigNode](_children)

  override def tokens: ju.Collection[Token] = {
    val tokens = new ju.ArrayList[Token]
    for (child <- children.asScala) {
      tokens.addAll(child.tokens)
    }
    tokens
  }

  def replaceValue(newValue: AbstractConfigNodeValue): ConfigNodeField = {
    val childrenCopy =
      new ju.ArrayList[AbstractConfigNode](children)
    var i = 0
    while (i < childrenCopy.size) {
      if (childrenCopy.get(i).isInstanceOf[AbstractConfigNodeValue]) {
        childrenCopy.set(i, newValue)
        return new ConfigNodeField(childrenCopy)
      }
      i += 1
    }
    throw new ConfigException.BugOrBroken("Field node doesn't have a value")
  }

  def value: AbstractConfigNodeValue = {
    var i = 0
    while (i < children.size) {
      if (children.get(i).isInstanceOf[AbstractConfigNodeValue])
        return children.get(i).asInstanceOf[AbstractConfigNodeValue]
      i += 1
    }
    throw new ConfigException.BugOrBroken("Field node doesn't have a value")
  }

  def path: ConfigNodePath = {
    var i = 0
    while (i < children.size) {
      if (children.get(i).isInstanceOf[ConfigNodePath])
        return children.get(i).asInstanceOf[ConfigNodePath]
      i += 1
    }
    throw new ConfigException.BugOrBroken("Field node doesn't have a path")
  }

  private[impl] def separator: Token =
    children.asScala.iterator
      .filter(_.isInstanceOf[ConfigNodeSingleToken])
      .map(_.asInstanceOf[ConfigNodeSingleToken].token)
      .find { t =>
        (t eq Tokens.PLUS_EQUALS) || (t eq Tokens.COLON) || (t eq Tokens.EQUALS)
      }
      .getOrElse(null)

  private[impl] def comments: ju.List[String] = {
    val comments = new ju.ArrayList[String]
    for (child <- children.asScala) {
      if (child.isInstanceOf[ConfigNodeComment])
        comments.add(child.asInstanceOf[ConfigNodeComment].commentText)
    }
    comments
  }
}