public static string GetJvmLibraryPath()
{
var jdkDir = ReadJavaSdkDirectoryFromJdkInfoProps();
if (jdkDir != null)
{
return(jdkDir);
}
var jdk = JdkInfo.GetKnownSystemJdkInfos()
.FirstOrDefault();
return(jdk?.JdkJvmPath);
}
public static JdkInfo GetJdkInfo(Action <TraceLevel, string> logger, string javaSdkPath, Version minSupportedVersion, Version maxSupportedVersion)
{
JdkInfo info = null;
try {
info = new JdkInfo(javaSdkPath);
} catch {
info = JdkInfo.GetKnownSystemJdkInfos(logger)
.Where(jdk => jdk.Version >= minSupportedVersion && jdk.Version <= maxSupportedVersion)
.FirstOrDefault();
}
return(info);
}
public void GetKnownSystemJdkInfos_PrefersJiJavaHome()
{
var previous = Environment.GetEnvironmentVariable("JI_JAVA_HOME", EnvironmentVariableTarget.Process);
try {
Environment.SetEnvironmentVariable("JI_JAVA_HOME", FauxJdkDir, EnvironmentVariableTarget.Process);
var defaultJdkDir = JdkInfo.GetKnownSystemJdkInfos()
.FirstOrDefault();
Assert.IsNotNull(defaultJdkDir);
Assert.AreEqual(FauxJdkDir, defaultJdkDir.HomePath);
}
finally {
Environment.SetEnvironmentVariable("JI_JAVA_HOME", previous, EnvironmentVariableTarget.Process);
}
}
string GetJvmPath()
{
// NOTE: this doesn't need to use GetRegisteredTaskObjectAssemblyLocal()
// because JavaSdkPath is the key and the value is a string.
var key = new Tuple <string, string> (nameof(ResolveJdkJvmPath), JavaSdkPath);
var cached = BuildEngine4.GetRegisteredTaskObject(key, RegisteredTaskObjectLifetime.AppDomain) as string;
if (cached != null)
{
Log.LogDebugMessage($"Using cached value for {nameof (JdkJvmPath)}: {cached}");
return(cached);
}
JdkInfo info = null;
try {
info = new JdkInfo(JavaSdkPath);
} catch {
info = JdkInfo.GetKnownSystemJdkInfos(this.CreateTaskLogger()).FirstOrDefault();
}
if (info == null)
{
return(null);
}
var path = info.JdkJvmPath;
if (string.IsNullOrEmpty(path))
{
return(null);
}
BuildEngine4.RegisterTaskObject(key, path, RegisteredTaskObjectLifetime.AppDomain, allowEarlyCollection: false);
return(path);
}