com.johnsnowlabs.util.Version.scala Maven / Gradle / Ivy
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/*
* Copyright 2017-2022 John Snow Labs
*
* 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.johnsnowlabs.util
case class Version(parts: List[Int]) {
override def toString: String = {
parts.mkString(".")
}
def take(n: Int): Version = {
Version(parts.take(n))
}
def toFloat: Float = {
val versionString = parts.length match {
case 1 => parts.head.toString
case 2 => f"${parts.head.toString}.${parts(1).toString}"
case 3 => f"${parts.head.toString}.${parts(1).toString}${parts(2).toString}"
case _ =>
throw new UnsupportedOperationException(
f"Cannot cast to float version ${this.toString()}")
}
versionString.toFloat
}
}
object Version {
def apply(parts: Int*): Version = Version(parts.toList)
def isInteger(str: String): Boolean = str.nonEmpty && str.forall(c => Character.isDigit(c))
def parse(str: String): Version = {
val parts = str
.replaceAll("-rc\\d", "")
.split('.')
.takeWhile(p => isInteger(p))
.map(p => p.toInt)
.toList
Version(parts)
}
def isCompatible(current: Version, found: Version): Boolean = isCompatible(current, Some(found))
/** Checks weather found version could be used with current version
*
* @param current
* Version of current library
* @param found
* Version of library of found resource
* @return
* True ar False
*
* Examples (current) and (found):
* 1.2.3 and 1.2 => True
* 1.2 and 1.2.3 => False (found more specific version) *
* 1.2 and None => True (found version that could be used with all versions)
*/
def isCompatible(current: Version, found: Option[Version]): Boolean = {
found.forall { f =>
val cParts = current.parts
val fParts = f.parts
// If found version more specific than ours then we can't use it
if (cParts.length < fParts.length)
false
else {
// All first digits must be equals:
var previousWasBigger: Option[Boolean] = None
cParts.zip(fParts).forall { case (c, t) =>
if (previousWasBigger.exists(v => v) || t == c)
true
else if (c > t && previousWasBigger.isEmpty) {
previousWasBigger = Some(true)
true
} else {
previousWasBigger = Some(false)
false
}
}
}
}
}
}