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feat(GradleInspector): Custom JDK bootstrap download #11039

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dc7326f
feat(utils): Split installJdk in two functions
heliocastro Nov 3, 2025
550ab36
feat(GradleInspector): Add custom JDK download capability
heliocastro Nov 3, 2025
e3c5499
feat(GradleInspector): Proper set Temurin OpenJDK for macOS
heliocastro Nov 3, 2025
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22 changes: 18 additions & 4 deletions utils/ort/src/main/kotlin/JavaBootstrapper.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,9 @@
package org.ossreviewtoolkit.utils.ort

import java.io.File
import java.security.MessageDigest

import kotlin.text.toByteArray
import kotlin.time.measureTime
import kotlin.time.measureTimedValue

Expand Down Expand Up @@ -131,7 +133,20 @@ object JavaBootstrapper {
return Result.failure(it)
}

val installDir = (ortToolsDirectory / "jdks" / pkg.distribution / pkg.distributionVersion)
return downloadJdk(pkg.links.pkgDownloadRedirect)
}

/**
* Download the resolved JDK Url and return its directory on success, or an exception on failure.
*/
fun downloadJdk(sdkUrl: String): Result<File> {
val safeHash =
MessageDigest.getInstance("SHA-256")
.digest(sdkUrl.toByteArray())
.joinToString("") { "%02x".format(it) }
.take(16)
Comment on lines +143 to +147
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@sschuberth sschuberth Nov 3, 2025

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Hmm, I liked the fact that you previously could tell from the JDK directory what distribution / version it is. Maybe that's not a strictly needed feature, but I'd like @oss-review-toolkit/tsc to share their views here.

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@heliocastro heliocastro Nov 3, 2025

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Actually, that was redundant information, since you already know which SDK is there anyway:
Example:

13:25:00.020 [DefaultDispatcher-worker-1] INFO  org.gradle.tooling.ModelBuilder - Setting Java home for project analysis to '.../.ort/tools/jdks/c00aa1a4c19d36aa/jdk-17.0.17+10/Contents/Home'.

So, Java 17.0.17+10 is there, and anticipating the next question, why not use the direct JDK directory? It's because the jdk-170.17+10 will be the same unpacked dir from any of the archs, but he url diffs.

You can arg to add maybe the architecture if you have different "runners" with shared home folder, but then is a very specific corner case

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@sschuberth sschuberth Nov 3, 2025

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Actually, that was redundant information, since you already know which SDK is there anyway:

I was meaning without the need to run ORT.

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@heliocastro heliocastro Nov 3, 2025

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But the directory is there, one folder below. What could be done is taking the actual last path from the url minus tar.gz, but then it's not fun and always error-prone to manipulate urls that can come with, for example, a + in the path.


val installDir = (ortToolsDirectory / "jdks" / safeHash)
.apply {
if (isDirectory) {
logger.info { "Not downloading the JDK again as the directory '$this' already exists." }
Expand All @@ -141,11 +156,10 @@ object JavaBootstrapper {
safeMkdirs()
}

val url = pkg.links.pkgDownloadRedirect
logger.info { "Downloading the JDK package from $url..." }
logger.info { "Downloading the JDK package from $sdkUrl..." }

val (archive, downloadDuration) = measureTimedValue {
okHttpClient.downloadFile(url, installDir).getOrElse {
okHttpClient.downloadFile(sdkUrl, installDir).getOrElse {
return Result.failure(it)
}
}
Expand Down