util.Validations.kt Maven / Gradle / Ivy

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package com.cloudinary.util



/**
 * This is used for input validations. Depending on the throw flag, this can either throw an exception or just silently
 * log and move on.
 */
// TODO should behave according to config once the config spec is complete
internal fun  illegalArgument(value: T, reason: String? = null): T {
    val message = "Illegal value: $value." + (reason?.let { " reason: $reason" } ?: "")
    print(message)
    throw IllegalArgumentException(message)
    return value
}

internal fun  rangeInputError(min: Int?, max: Int?, value: T): T {
    return illegalArgument(value, "Not in range ($min-$max)")
}

/**
 * Validates the number is in range. The behaviour for out of range values is determined by the inputError function
 */
internal fun  T.cldRanged(min: Int? = null, max: Int? = null): T {
    return if ((this is Int) && ((min != null && this < min) || (max != null && this > max))) rangeInputError(
        min,
        max,
        this
    ) else this
}


/**
 * Validates this float is greater than zero.
 */
internal fun Float.cldRealPositive() = if (this <= 0) illegalArgument(this, "Not a real positive number") else this

internal fun Long.cldPositiveNumber() = if (this <= 0) illegalArgument(this, "Not a positive number") else this

internal fun validateAllNotNull(vararg values: Any?) {
    if (values.filterNotNull().size != values.size) illegalArgument(values, "Arguments cannot be null")
}