@NotNull
private static List<VirtualFile> findClasses(File file, boolean isJre) {
List<VirtualFile> result = ContainerUtil.newArrayList();
VirtualFileManager fileManager = VirtualFileManager.getInstance();
String path = file.getPath();
if (JrtFileSystem.isModularJdk(path)) {
String url =
VirtualFileManager.constructUrl(
JrtFileSystem.PROTOCOL,
FileUtil.toSystemIndependentName(path) + JrtFileSystem.SEPARATOR);
for (String module : JrtFileSystem.listModules(path)) {
ContainerUtil.addIfNotNull(result, fileManager.findFileByUrl(url + module));
}
}
for (File root : JavaSdkUtil.getJdkClassesRoots(file, isJre)) {
String url = VfsUtil.getUrlForLibraryRoot(root);
ContainerUtil.addIfNotNull(result, fileManager.findFileByUrl(url));
}
Collections.sort(result, (o1, o2) -> o1.getPath().compareTo(o2.getPath()));
return result;
}
