com.dslplatform.api.Guards.scala Maven / Gradle / Ivy
package com.dslplatform.api
import scala.collection.generic.CanBuildFrom
import scala.collection.GenTraversableLike
object Guards {
def checkCollectionNulls[T <: AnyRef](values: Traversable[T]): Unit =
if (values ne null) {
var i = 0
val iterator = values.toIterator
while (iterator.hasNext) {
if (iterator.next() eq null) {
throw new IllegalArgumentException("Null value found at index \"" + i + "\".")
}
i += 1
}
}
def checkArrayNulls[T <: AnyRef](values: Array[T]): Unit =
if (values ne null) {
var i = 0
while (i < values.length) {
if (values(i) eq null) {
throw new IllegalArgumentException("Null value found at index \"" + i + "\".")
}
i += 1
}
}
def checkCollectionNulls[T <: AnyRef](values: Option[Traversable[T]]): Unit =
if ((values ne null) && values.isDefined) checkCollectionNulls(values.get)
def checkArrayNulls[T <: AnyRef](values: Option[Array[T]]): Unit =
if ((values ne null) && values.isDefined) checkArrayNulls(values.get)
def checkCollectionOptionRefNulls[T <: AnyRef](values: Traversable[Option[T]]): Unit =
if (values ne null) {
var i = 0
val iterator = values.toIterator
while (iterator.hasNext) {
val oit = iterator.next()
if ((oit eq null) || oit.isDefined && (oit.get eq null)) {
throw new IllegalArgumentException("Null value found at index \"" + i + "\".")
}
i += 1
}
}
def checkArrayOptionRefNulls[T <: AnyRef](values: Array[Option[T]]): Unit =
if (values ne null) {
var i = 0
while (i < values.length) {
val oit = values(i)
if ((oit eq null) || oit.isDefined && (oit.get eq null)) {
throw new IllegalArgumentException("Null value found at index \"" + i + "\".")
}
i += 1
}
}
def checkCollectionOptionValNulls[T <: AnyVal](values: Traversable[Option[T]]): Unit =
if (values ne null) {
var i = 0
val iterator = values.toIterator
while (iterator.hasNext) {
if (iterator.next() eq null) {
throw new IllegalArgumentException("Null value found at index \"" + i + "\".")
}
i += 1
}
}
def checkArrayOptionValNulls[T <: AnyVal](values: Array[Option[T]]): Unit =
if (values ne null) {
var i = 0
while (i < values.length) {
if (values(i) eq null) {
throw new IllegalArgumentException("Null value found at index \"" + i + "\".")
}
i += 1
}
}
def checkCollectionOptionRefNulls[T <: AnyRef](values: Option[Traversable[Option[T]]]): Unit =
if ((values ne null) && values.isDefined) checkCollectionOptionRefNulls(values.get)
def checkArrayOptionRefNulls[T <: AnyRef](values: Option[Array[Option[T]]]): Unit =
if ((values ne null) && values.isDefined) checkArrayOptionRefNulls(values.get)
def checkCollectionOptionValNulls[T <: AnyVal](values: Option[Traversable[Option[T]]]): Unit =
if ((values ne null) && values.isDefined) checkCollectionOptionValNulls(values.get)
def checkArrayOptionValNulls[T <: AnyVal](values: Option[Array[Option[T]]]): Unit =
if ((values ne null) && values.isDefined) checkArrayOptionValNulls(values.get)
def checkScale(value: BigDecimal, scale: Int): Unit =
if (value ne null) {
try {
value.setScale(scale)
} catch {
case e: ArithmeticException =>
throw new IllegalArgumentException("Decimal places allowed: " + scale + ". Value: " + value, e)
}
}
def checkScale(value: Option[BigDecimal], scale: Int): Unit =
if ((value ne null) && value.isDefined) checkScale(value.get, scale)
def checkCollectionScale(values: Traversable[BigDecimal], scale: Int): Unit =
if (values ne null) {
var i = 0
val iterator = values.toIterator
while (iterator.hasNext) {
val it = iterator.next()
if (it ne null) {
try {
it.setScale(scale)
} catch {
case e: ArithmeticException =>
throw new IllegalArgumentException("Invalid value for element at index " + i + ". Decimal places allowed: " + scale + ". Value: " + it, e)
}
}
i += 1
}
}
def checkArrayScale(values: Array[BigDecimal], scale: Int): Unit =
if (values ne null) {
var i = 0
while (i < values.length) {
val it = values(i)
if (it ne null) {
try {
it.setScale(scale)
} catch {
case e: ArithmeticException =>
throw new IllegalArgumentException("Invalid value for element at index " + i + ". Decimal places allowed: " + scale + ". Value: " + it, e)
}
}
i += 1
}
}
def checkCollectionOptionScale(values: Traversable[Option[BigDecimal]], scale: Int): Unit =
if (values ne null) {
var i = 0
val iterator = values.toIterator
while (iterator.hasNext) {
val oit = iterator.next()
if ((oit ne null) && oit.isDefined) {
val it = oit.get
try {
it.setScale(scale)
} catch {
case e: ArithmeticException =>
throw new IllegalArgumentException("Invalid value for element at index " + i + ". Decimal places allowed: " + scale + ". Value: " + it, e)
}
i += 1
}
}
}
def checkArrayOptionScale(values: Array[Option[BigDecimal]], scale: Int): Unit =
if (values ne null) {
var i = 0
while (i < values.length) {
val oit = values(i)
if ((oit ne null) && oit.isDefined) {
val it = oit.get
try {
it.setScale(scale)
} catch {
case e: ArithmeticException =>
throw new IllegalArgumentException("Invalid value for element at index " + i + ". Decimal places allowed: " + scale + ". Value: " + it, e)
}
i += 1
}
}
}
def checkCollectionScale(values: Option[Traversable[BigDecimal]], scale: Int): Unit =
if ((values ne null) && values.isDefined) checkCollectionScale(values.get, scale)
def checkArrayScale(values: Option[Array[BigDecimal]], scale: Int): Unit =
if ((values ne null) && values.isDefined) checkArrayScale(values.get, scale)
def checkCollectionOptionScale(values: Option[Traversable[Option[BigDecimal]]], scale: Int): Unit =
if ((values ne null) && values.isDefined) checkCollectionOptionScale(values.get, scale)
def checkArrayOptionScale(values: Option[Array[Option[BigDecimal]]], scale: Int): Unit =
if ((values ne null) && values.isDefined) checkArrayOptionScale(values.get, scale)
def setScale(value: BigDecimal, scale: Int): BigDecimal =
if (value ne null) {
value.setScale(scale, BigDecimal.RoundingMode.HALF_UP)
} else {
value
}
def setScale(value: Option[BigDecimal], scale: Int): Option[BigDecimal] =
if ((value ne null) && value.isDefined) {
Some(setScale(value.get, scale))
} else {
value
}
def setCollectionScale[That, Repr](values: GenTraversableLike[BigDecimal, Repr], scale: Int)(implicit bf: CanBuildFrom[Repr, BigDecimal, That]): That =
if (values != null) {
val builder = bf()
val iterator = values.toIterator
while (iterator.hasNext) {
builder += setScale(iterator.next(), scale)
}
builder.result
} else {
null.asInstanceOf[That]
}
def setArrayScale(values: Array[BigDecimal], scale: Int): Array[BigDecimal] =
if (values ne null) {
val buffer = new Array[BigDecimal](values.length)
var i = 0
while (i < values.length) {
buffer(i) = setScale(values(i), scale)
i += 1
}
buffer
} else {
null
}
def setCollectionOptionScale[That, Repr](values: GenTraversableLike[Option[BigDecimal], Repr], scale: Int)(implicit bf: CanBuildFrom[Repr, Option[BigDecimal], That]): That = {
if (values != null) {
val builder = bf()
val iterator = values.toIterator
while (iterator.hasNext) {
builder += setScale(iterator.next(), scale)
}
builder.result
} else {
values.asInstanceOf[That]
}
}
def setArrayOptionScale(values: Array[Option[BigDecimal]], scale: Int): Array[Option[BigDecimal]] =
if (values ne null) {
val buffer = new Array[Option[BigDecimal]](values.length)
var i = 0
while (i < values.length) {
buffer(i) = setScale(values(i), scale)
i += 1
}
buffer
} else {
null
}
def setCollectionScale[That, Repr](values: Option[GenTraversableLike[BigDecimal, Repr]], scale: Int)(implicit bf: CanBuildFrom[Repr, BigDecimal, That]): Option[That] =
if ((values ne null) && values.isDefined) {
Some(setCollectionScale(values.get, scale))
} else {
values.asInstanceOf[Option[That]]
}
def setArrayScale(values: Option[Array[BigDecimal]], scale: Int): Option[Array[BigDecimal]] =
if ((values ne null) && values.isDefined) {
Some(setArrayScale(values.get, scale))
} else {
values
}
def setCollectionOptionScale[That, Repr](values: Option[GenTraversableLike[Option[BigDecimal], Repr]], scale: Int)(implicit bf: CanBuildFrom[Repr, Option[BigDecimal], That]): Option[That] = {
if ((values ne null) && values.isDefined) {
Some(setCollectionOptionScale(values.get, scale))
} else {
values.asInstanceOf[Option[That]]
}
}
def setArrayOptionScale(values: Option[Array[Option[BigDecimal]]], scale: Int): Option[Array[Option[BigDecimal]]] = {
if ((values ne null) && values.isDefined) {
Some(setArrayOptionScale(values.get, scale))
} else {
values
}
}
def checkLength(value: String, length: Int): Unit =
if ((value ne null) && value.length > length) {
throw new IllegalArgumentException("Maximum length allowed: " + length + ". Value: " + value)
}
def checkLength(value: Option[String], length: Int): Unit =
if ((value ne null) && value.isDefined) checkLength(value.get, length)
def checkCollectionLength(values: Traversable[String], length: Int): Unit =
if (values ne null) {
var i = 0
val iterator = values.toIterator
while (iterator.hasNext) {
val it = iterator.next()
if ((it ne null) && it.length > length) {
throw new IllegalArgumentException("Invalid value for element at index " + i + ". Maximum length allowed: " + length + ". Value: " + it)
}
i += 1
}
}
def checkArrayLength(values: Array[String], length: Int): Unit =
if (values ne null) {
var i = 0
while (i < values.length) {
val it = values(i)
if ((it ne null) && it.length > length) {
throw new IllegalArgumentException("Invalid value for element at index " + i + ". Maximum length allowed: " + length + ". Value: " + it)
}
i += 1
}
}
def checkCollectionOptionLength(values: Traversable[Option[String]], length: Int): Unit =
if (values ne null) {
var i = 0
val iterator = values.toIterator
while (iterator.hasNext) {
val oit = iterator.next()
if ((oit ne null) && oit.isDefined) {
val it = oit.get
if ((it ne null) && it.length > length) {
throw new IllegalArgumentException("Invalid value for element at index " + i + ". Maximum length allowed: " + length + ". Value: " + it)
}
}
i += 1
}
}
def checkArrayOptionLength(values: Array[Option[String]], length: Int): Unit =
if (values ne null) {
var i = 0
while (i < values.length) {
val oit = values(i)
if ((oit ne null) && oit.isDefined) {
val it = oit.get
if ((it ne null) && it.length > length) {
throw new IllegalArgumentException("Invalid value for element at index " + i + ". Maximum length allowed: " + length + ". Value: " + it)
}
}
i += 1
}
}
def checkCollectionLength(values: Option[Traversable[String]], length: Int): Unit =
if ((values ne null) && values.isDefined) checkCollectionLength(values.get, length)
def checkArrayLength(values: Option[Array[String]], length: Int): Unit =
if ((values ne null) && values.isDefined) checkArrayLength(values.get, length)
def checkCollectionOptionLength(values: Option[Traversable[Option[String]]], length: Int): Unit =
if ((values ne null) && values.isDefined) checkCollectionOptionLength(values.get, length)
def checkArrayOptionLength(values: Option[Array[Option[String]]], length: Int): Unit =
if ((values ne null) && values.isDefined) checkArrayOptionLength(values.get, length)
}
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