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finally extracting jar files
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‎processing/buildSrc/src/main/groovy/ImportAar.groovy

+165-51
Original file line numberDiff line numberDiff line change
@@ -1,27 +1,40 @@
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// import org.gradle.api.Plugin
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// import org.gradle.api.Project
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// import org.gradle.api.artifacts.Configuration
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// import org.gradle.api.artifacts.transform.TransformAction
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// import org.gradle.api.artifacts.transform.TransformParameters
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// import org.gradle.api.artifacts.transform.InputArtifact
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// import org.gradle.api.artifacts.transform.TransformOutputs
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// import org.gradle.api.file.FileSystemLocation
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// import org.gradle.api.provider.Provider
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// import org.gradle.api.tasks.PathSensitive
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// import org.gradle.api.tasks.PathSensitivity
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// import org.gradle.api.attributes.LibraryElements
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// import org.gradle.api.attributes.Usage
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// import org.gradle.api.attributes.Category
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// import com.android.build.gradle.internal.dependency.AarTransform
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// import com.android.build.gradle.internal.dependency.ExtractAarTransform
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// import com.android.build.gradle.internal.publishing.AndroidArtifacts
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// import com.android.builder.aar.AarExtractor
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// import com.google.common.collect.ImmutableList
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// import java.nio.file.Files
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// import static java.nio.file.StandardCopyOption.REPLACE_EXISTING
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// import org.gradle.api.Plugin
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// import org.gradle.api.Project
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// import org.gradle.api.artifacts.Configuration
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// import org.gradle.api.artifacts.ResolvedArtifact
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// import java.util.zip.ZipFile
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import org.gradle.api.Plugin
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import org.gradle.api.Project
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import org.gradle.api.artifacts.Configuration
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import org.gradle.api.artifacts.transform.TransformAction
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import org.gradle.api.artifacts.transform.TransformParameters
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import org.gradle.api.artifacts.transform.InputArtifact
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import org.gradle.api.artifacts.transform.TransformOutputs
8-
import org.gradle.api.file.FileSystemLocation
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import org.gradle.api.provider.Provider
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import org.gradle.api.tasks.PathSensitive
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import org.gradle.api.tasks.PathSensitivity
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import org.gradle.api.attributes.LibraryElements
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import org.gradle.api.attributes.Usage
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import org.gradle.api.attributes.Category
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import com.android.build.gradle.internal.dependency.AarTransform
18-
import com.android.build.gradle.internal.dependency.ExtractAarTransform
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import com.android.build.gradle.internal.publishing.AndroidArtifacts
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import com.android.builder.aar.AarExtractor
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import com.google.common.collect.ImmutableList
22-
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import java.nio.file.Files
24-
import static java.nio.file.StandardCopyOption.REPLACE_EXISTING
36+
import org.gradle.api.tasks.TaskAction
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import java.util.zip.ZipFile
2538

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/**
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* Build Gradle plgin needed to use aar files as dependencies in a pure java library project.
@@ -36,11 +49,42 @@ class ImportAar implements Plugin<Project> {
3649

3750
@Override
3851
void apply(Project project) {
39-
def aar = AndroidArtifacts.TYPE_AAR
40-
def jar = AndroidArtifacts.TYPE_JAR
52+
// def aar = AndroidArtifacts.TYPE_AAR
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// def jar = AndroidArtifacts.TYPE_JAR
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println ">>> Calling ImportAar"
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57+
// Create a custom resolvable configuration
58+
project.configurations.create('aarExtractorResolvable') {
59+
canBeResolved = true
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canBeConsumed = false
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extendsFrom project.configurations.implementation
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}
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project.tasks.register('extractAarJars', ExtractAarJarsTask) {
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group = 'build'
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description = 'Extracts JAR files from AAR dependencies and places them in build/libs.'
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}
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// project.task('extractAarJars') {
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// doLast {
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// println "=======> Calling extractAarJars task"
4173

42-
println "ImportAar: WORKS!"
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// project.configurations.each { Configuration config ->
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// config.resolvedConfiguration.resolvedArtifacts.each { ResolvedArtifact artifact ->
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// println "Resolved artifact: ${artifact}"
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// if (artifact.type == 'aar') {
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// extractJarFromAar(artifact, project)
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// }
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// }
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// }
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// }
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// }
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4385

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/*
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// Create AAR configurations
4589
Collection<Configuration> allConfigs = project.getConfigurations().toList()
4690
for (Configuration config: allConfigs) {
@@ -56,6 +100,7 @@ class ImportAar implements Plugin<Project> {
56100
}
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58102
project.afterEvaluate {
103+
println "-> In afterEvaluate"
59104
aarConfig.resolvedConfiguration.resolvedArtifacts.each { artifact ->
60105
File jarFile = artifact.file
61106
print "================================================> FILE "
@@ -82,40 +127,109 @@ class ImportAar implements Plugin<Project> {
82127
project.dependencies {
83128
registerTransform(AarToJarTransform) {
84129
from.attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, project.objects.named(LibraryElements, aar))
85-
to.attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, project.objects.named(LibraryElements, LibraryElements.JAR))
130+
to.attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, project.objects.named(LibraryElements, jar))
86131
}
87132
}
133+
*/
88134
}
89135

90-
abstract static class AarToJarTransform implements TransformAction<TransformParameters.None> {
91-
AarToJarTransform() {
92-
println "AarToJarTransform instantiated"
93-
}
136+
// void extractJarFromAar(ResolvedArtifact artifact, Project project) {
137+
// println "Input AAR: ${aarFile}"
138+
// def aarFile = artifact.file
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// def zipFile = new ZipFile(aarFile)
140+
// def entry = zipFile.getEntry('classes.jar')
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// if (entry) {
142+
// project.copy {
143+
// from project.zipTree(aarFile)
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// include 'classes.jar'
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// into "${project.buildDir}/libs"
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// rename { "${artifact.name}-${artifact.moduleVersion.id.version}.jar" }
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// }
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// }
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// zipFile.close()
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// }
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152+
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// abstract static class AarToJarTransform implements TransformAction<TransformParameters.None> {
154+
// AarToJarTransform() {
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// println "AarToJarTransform instantiated"
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// }
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// @InputArtifact
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// @PathSensitive(PathSensitivity.NAME_ONLY)
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// abstract Provider<FileSystemLocation> getInputArtifact()
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162+
// @Override
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// void transform(TransformOutputs outputs) {
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// File inputFile = inputArtifact.get().asFile
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// println "Input AAR: ${inputFile}"
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// File explodedDir = new File(outputs.getOutputDirectory(), "exploded")
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// println "Exploded Directory: ${explodedDir}"
168+
169+
// AarExtractor aarExtractor = new AarExtractor()
170+
// aarExtractor.extract(inputFile, explodedDir)
171+
// File classesJar = new File(new File(explodedDir, "jars"), "classes.jar")
172+
// if (classesJar.exists()) {
173+
// println "Classes JAR found: ${classesJar}"
174+
// String aarName = inputFile.name.replace(".aar", "")
175+
// File renamedJar = outputs.file("${aarName}.jar")
176+
// Files.copy(classesJar.toPath(), renamedJar.toPath(), REPLACE_EXISTING)
177+
// println "Transformed JAR: ${renamedJar}"
178+
// } else {
179+
// println "Error: classes.jar not found in ${explodedDir}"
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// }
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// }
182+
// }
183+
}
184+
94185

95-
@InputArtifact
96-
@PathSensitive(PathSensitivity.NAME_ONLY)
97-
abstract Provider<FileSystemLocation> getInputArtifact()
98-
99-
@Override
100-
void transform(TransformOutputs outputs) {
101-
File inputFile = inputArtifact.get().asFile
102-
println "Input AAR: ${inputFile}"
103-
File explodedDir = new File(outputs.getOutputDirectory(), "exploded")
104-
println "Exploded Directory: ${explodedDir}"
105-
106-
AarExtractor aarExtractor = new AarExtractor()
107-
aarExtractor.extract(inputFile, explodedDir)
108-
File classesJar = new File(new File(explodedDir, "jars"), "classes.jar")
109-
if (classesJar.exists()) {
110-
println "Classes JAR found: ${classesJar}"
111-
String aarName = inputFile.name.replace(".aar", "")
112-
File renamedJar = outputs.file("${aarName}.jar")
113-
Files.copy(classesJar.toPath(), renamedJar.toPath(), REPLACE_EXISTING)
114-
println "Transformed JAR: ${renamedJar}"
115-
} else {
116-
println "Error: classes.jar not found in ${explodedDir}"
186+
class ExtractAarJarsTask extends org.gradle.api.DefaultTask {
187+
@TaskAction
188+
void extractJars() {
189+
File outputDir = new File(project.buildDir, 'libs')
190+
outputDir.mkdirs()
191+
192+
// Configuration compileClasspath = project.configurations.getByName('implementation')
193+
Configuration aarExtractorResolvable = project.configurations.getByName('aarExtractorResolvable')
194+
195+
// compileClasspath.resolvedConfiguration.resolvedArtifacts.each { artifact ->
196+
aarExtractorResolvable.resolvedConfiguration.resolvedArtifacts.each { artifact ->
197+
if (artifact.type == 'aar') {
198+
File aarFile = artifact.file
199+
println "Processing AAR: ${aarFile.name}"
200+
201+
// Extract the AAR file
202+
ZipFile zipFile = new ZipFile(aarFile)
203+
zipFile.entries().each { entry ->
204+
if (entry.name.endsWith('.jar')) {
205+
println "Classes JAR found: ${entry}"
206+
String aarName = aarFile.name.replace(".aar", "")
207+
208+
File jarOutput = new File(outputDir, "${aarName}.jar")
209+
jarOutput.parentFile.mkdirs()
210+
211+
// Write the JAR file to the output directory
212+
zipFile.getInputStream(entry).withCloseable { inputStream ->
213+
jarOutput.withOutputStream { outputStream ->
214+
copyStream(inputStream, outputStream)
215+
}
216+
}
217+
println "Extracted JAR: ${jarOutput.absolutePath}"
218+
}
219+
}
117220
}
118221
}
119222
}
223+
224+
/**
225+
* Copies data from an InputStream to an OutputStream.
226+
*/
227+
void copyStream(InputStream input, OutputStream output) {
228+
byte[] buffer = new byte[1024]
229+
int bytesRead
230+
while ((bytesRead = input.read(buffer)) != -1) {
231+
output.write(buffer, 0, bytesRead)
232+
}
233+
}
120234
}
121235

‎processing/core/build.gradle

+10
Original file line numberDiff line numberDiff line change
@@ -34,6 +34,16 @@ tasks.register('javadocJar', Jar) {
3434
from javadoc.destinationDir
3535
}
3636

37+
// project.afterEvaluate {
38+
// tasks.named('extractAarJars').configure {
39+
// dependsOn configurations.runtimeClasspath
40+
// }
41+
// }
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43+
// project.tasks.named('build').configure {
44+
// finalizedBy('extractAarJars')
45+
// }
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3747
artifacts {
3848
// archives javadocJar
3949
archives sourceJar

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