Mirrors/PrismLauncher
1
0
Fork 0
mirror of https://github.com/PrismLauncher/PrismLauncher.git synced 2025-06-12 05:07:46 +02:00
Code Issues Packages Projects Releases Wiki Activity

Improve Java checking speed by using startsWith for gentoo paths

Browse Source 
Signed-off-by: TheKodeToad <TheKodeToad@proton.me>
This commit is contained in:
TheKodeToad
2024-08-24 22:10:38 +01:00
parent fac28a81ae
commit d2304b6698
1 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
launcher/java/JavaUtils.cpp
View File

@ -403,12 +403,17 @@ QList<QString> JavaUtils::FindJavaPaths()
{
QList<QString> javas;
javas.append(this->GetDefaultJava()->path);
auto scanJavaDir = [&](const QString& dirPath) {
auto scanJavaDir = [&](
const QString& dirPath,
const std::function<bool(const QFileInfo&)>& filter = [](const QFileInfo&) { return true; }) {
QDir dir(dirPath);
if (!dir.exists())
return;
auto entries = dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot);
for (auto& entry : entries) {
if (!filter(entry))
continue;
QString prefix;
prefix = entry.canonicalFilePath();
javas.append(FS::PathCombine(prefix, "jre/bin/java"));
@ -431,9 +436,13 @@ QList<QString> JavaUtils::FindJavaPaths()
scanJavaDirs("/usr/lib64/jvm");
scanJavaDirs("/usr/lib32/jvm");
// Gentoo's locations for openjdk and openjdk-bin respectively
scanJavaDir("/usr/lib64");
scanJavaDir("/usr/lib");
scanJavaDir("/opt");
auto gentooFilter = [](const QFileInfo& info) {
QString fileName = info.fileName();
return fileName.startsWith("openjdk-") || fileName.startsWith("openj9-");
};
scanJavaDir("/usr/lib64", gentooFilter);
scanJavaDir("/usr/lib", gentooFilter);
scanJavaDir("/opt", gentooFilter);
// javas stored in Prism Launcher's folder
scanJavaDirs("java");
// manually installed JDKs in /opt