foundry.gradle.agp.AgpHandlers.kt Maven / Gradle / Ivy
/*
* Copyright (C) 2022 Slack Technologies, LLC
*
* 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
*
* https://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 foundry.gradle.agp
import com.android.build.api.AndroidPluginVersion
import java.util.ServiceLoader
public object AgpHandlers {
private fun loadFactories(): Sequence {
return ServiceLoader.load(AgpHandler.Factory::class.java).asSequence() +
AgpHandler.Factory.Default
}
/**
* Load [factories][AgpHandler.Factory] and pick the highest compatible version (by
* [AgpHandler.Factory.minVersion])
*/
public fun resolveFactory(
factories: Sequence = loadFactories(),
testAgpVersion: AndroidPluginVersion? = null,
): AgpHandler.Factory {
val targetFactory =
factories
.mapNotNull { factory ->
// Filter out any factories that can't compute the AGP version, as
// they're _definitely_ not compatible
try {
FactoryData(factory.currentVersion, factory)
} catch (t: Throwable) {
null
}
}
.filter { (agpVersion, factory) -> (testAgpVersion ?: agpVersion) >= factory.minVersion }
.maxByOrNull { (_, factory) -> factory.minVersion }
?.factory ?: error("Unrecognized AGP version!")
return targetFactory
}
public fun createHandler(): AgpHandler = resolveFactory().create()
}
private data class FactoryData(
val agpVersion: AndroidPluginVersion,
val factory: AgpHandler.Factory,
)