@Override
public VirtualFile[] getSourceRoots(Module module) {
VirtualFile[] cachedRoots = myModuleToRootsCache.get(module);
if (cachedRoots != null) {
if (areFilesValid(cachedRoots)) {
return cachedRoots;
} else {
myModuleToRootsCache.remove(
module); // clear cache for this module and rebuild list of roots
}
}
Set<VirtualFile> additionalRoots = myModuleToRootsMap.get(module);
VirtualFile[] moduleRoots = ModuleRootManager.getInstance(module).getSourceRoots();
if (additionalRoots == null || additionalRoots.isEmpty()) {
myModuleToRootsCache.put(module, moduleRoots);
return moduleRoots;
}
final VirtualFile[] allRoots = new VirtualFile[additionalRoots.size() + moduleRoots.length];
System.arraycopy(moduleRoots, 0, allRoots, 0, moduleRoots.length);
int index = moduleRoots.length;
for (final VirtualFile additionalRoot : additionalRoots) {
allRoots[index++] = additionalRoot;
}
myModuleToRootsCache.put(module, allRoots);
return allRoots;
}
