JarCastingAdoptOpenJDK downloader
Java library to ease downloading and installation of AdoptOpenJdk java JDK's and JRE's.
It can be useful in a gradle build or a maven plugin, in order to automate the packaging of a java application for multiple platforms.
Dependency:
<dependency>
<groupId>io.github.terjouxanthony</groupId>
<artifactId>adopt.openjdk.downloader</artifactId>
<version>0.0.1</version>
</dependency>
Usage:
public static void main(String[] args) throws HttpStatusException, IOException, URISyntaxException, InterruptedException {
final JavaDownloader javaDownloader = new JavaDownloader();
// Downloads and installs a GA hotspot JDK/JRE from AdoptOpenJDK vendor.
// If the JDK/JRE is already present, no download is performed, except if the flag 'downloadLatest' is true and if there are minor/bug fixes for the java version supplied.
final JavaInstallDescription installation = javaDownloader.installJava(
InstallJavaParams.builder()
.arch("x64") // "x64", "x32", "ppc64", "arm" ...
.os("windows") // "linux", "windows", "mac", "solaris" ...
.javaVersion(16) // 11, 12, 13 ...
//.fullJavaReleaseName("jdk-16.0.1+9") // you can choose an exact version, it takes precedence over the parameter 'javaVersion'
.downloadLatest(false) // set to true to always fetch the latest version with bugfixes
.cleanExistingSameMajorVersion(true) // delete the previously downloaded versions for java 16 here
.imageType(Model.ImageType.JRE) // can also be JDK
.javaDownloaderDir(Paths.get("G:\\projects\\java\\test")) // root folder to store JRE's and JDK's, defaults to $HOME/.m2/java
.build());
System.out.println(installation.getInstallPath()); // Folder containing the downloaded JDK/JRE
System.out.println(installation.getJdkHomePath()); // JAVA_HOME path for this JDK/JRE
}
Build:
mvn clean compile test
Run example:
mvn -q clean compile exec:java