org.jetbrains.kotlin.gradle.utils.ParsedGradleVersion.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2016 JetBrains s.r.o.
*
* 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 org.jetbrains.kotlin.gradle.utils
import org.gradle.util.GradleVersion
internal data class ParsedGradleVersion(val major: Int, val minor: Int) : Comparable {
override fun compareTo(other: ParsedGradleVersion): Int {
val majorCompare = major.compareTo(other.major)
if (majorCompare != 0) return majorCompare
return minor.compareTo(other.minor)
}
companion object {
private fun String.parseIntOrNull(): Int? =
try {
toInt()
} catch (e: NumberFormatException) {
null
}
fun parse(version: String): ParsedGradleVersion? {
val matches = "(\\d+)\\.(\\d+).*"
.toRegex()
.find(version)
?.groups
?.drop(1)?.take(2)
// checking if two subexpression groups are found and length of each is >0 and <4
?.let { if (it.all { (it?.value?.length ?: 0).let { it > 0 && it < 4 } }) it else null }
val versions = matches?.mapNotNull { it?.value?.parseIntOrNull() } ?: emptyList()
if (versions.size == 2 && versions.all { it >= 0 }) {
val (major, minor) = versions
return ParsedGradleVersion(major, minor)
}
return null
}
}
}
fun isGradleVersionAtLeast(major: Int, minor: Int) =
ParsedGradleVersion.parse(GradleVersion.current().version)
?.let { it >= ParsedGradleVersion(major, minor) } ?: false