1 /*
<lambda>null2 * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
3 */
4
5 import org.gradle.api.*
6 import org.gradle.api.artifacts.transform.InputArtifact
7 import org.gradle.api.artifacts.transform.TransformAction
8 import org.gradle.api.artifacts.transform.TransformOutputs
9 import org.gradle.api.artifacts.transform.TransformParameters
10 import org.gradle.api.attributes.*
11 import org.gradle.api.file.FileSystemLocation
12 import org.gradle.api.provider.Provider
13 import org.gradle.kotlin.dsl.*
14 import java.io.File
15 import java.nio.file.Files
16 import java.util.zip.ZipEntry
17 import java.util.zip.ZipFile
18
19 // Attributes used by aar dependencies
20 val artifactType = Attribute.of("artifactType", String::class.java)
21 val unpackedAar = Attribute.of("unpackedAar", Boolean::class.javaObjectType)
22
23 fun Project.configureAar() = configurations.configureEach {
24 afterEvaluate {
25 if (isCanBeResolved && !isCanBeConsumed) {
26 attributes.attribute(unpackedAar, true) // request all AARs to be unpacked
27 }
28 }
29 }
30
configureAarUnpackingnull31 fun DependencyHandlerScope.configureAarUnpacking() {
32 attributesSchema {
33 attribute(unpackedAar)
34 }
35
36 artifactTypes {
37 create("aar") {
38 attributes.attribute(unpackedAar, false)
39 }
40 }
41
42 registerTransform(UnpackAar::class.java) {
43 from.attribute(unpackedAar, false).attribute(artifactType, "aar")
44 to.attribute(unpackedAar, true).attribute(artifactType, "jar")
45 }
46 }
47
48 @Suppress("UnstableApiUsage")
49 abstract class UnpackAar : TransformAction<TransformParameters.None> {
50 @get:InputArtifact
51 abstract val inputArtifact: Provider<FileSystemLocation>
52
transformnull53 override fun transform(outputs: TransformOutputs) {
54 ZipFile(inputArtifact.get().asFile).use { zip ->
55 zip.entries().asSequence()
56 .filter { !it.isDirectory }
57 .filter { it.name.endsWith(".jar") }
58 .forEach { zip.unzip(it, outputs.file(it.name)) }
59 }
60 }
61 }
62
ZipFilenull63 private fun ZipFile.unzip(entry: ZipEntry, output: File) {
64 getInputStream(entry).use {
65 Files.copy(it, output.toPath())
66 }
67 }
68