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• com.increase.api
• increase-kotlin-core
• 0.141.0
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• Utils.kt

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com.increase.api.core.Utils.kt Maven / Gradle / Ivy

@file:JvmName("Utils")

package com.increase.api.core

import com.increase.api.core.http.Headers
import com.increase.api.errors.IncreaseInvalidDataException
import java.util.Collections
import java.util.SortedMap

internal fun  T?.getOrThrow(name: String): T =
    this ?: throw IncreaseInvalidDataException("`${name}` is not present")

internal fun  List.toImmutable(): List =
    if (isEmpty()) Collections.emptyList() else Collections.unmodifiableList(toList())

internal fun  Map.toImmutable(): Map =
    if (isEmpty()) Collections.emptyMap() else Collections.unmodifiableMap(toMap())

internal fun , V> SortedMap.toImmutable(): SortedMap =
    if (isEmpty()) Collections.emptySortedMap()
    else Collections.unmodifiableSortedMap(toSortedMap(comparator()))

internal fun Headers.getRequiredHeader(name: String): String =
    values(name).firstOrNull() ?: throw IncreaseInvalidDataException("Could not find $name header")

internal interface Enum