commonMain.com.squareup.wire.internal.ImmutableList.kt Maven / Gradle / Ivy

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/*
 * Copyright 2013 Square Inc.
 *
 * 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 com.squareup.wire.internal

import kotlin.jvm.JvmName

internal class ImmutableList(list: List) : AbstractList(), RandomAccess, Serializable {
  private val list = ArrayList(list)

  override val size: Int
    @get:JvmName("size") get() = list.size

  override fun get(index: Int): T = list[index]

  override fun toArray(): Array {
    return list.toTypedArray() // Optimizing for mutable copy by MutableOnWriteList.
  }

  @Throws(ObjectStreamException::class)
  private fun writeReplace(): Any = list.toUnmodifiableList()
}