@Override
public Module getModule() {
if (!isValid()) return null;
VirtualFile virtualFile = getFile();
if (virtualFile == null) return null;
ProjectRootManager projectRootManager = ProjectRootManager.getInstance(getProject());
ProjectFileIndex fileIndex = projectRootManager.getFileIndex();
return fileIndex.getModuleForFile(virtualFile);
}
private boolean isExcludeRoot(VirtualFile file) {
VirtualFile parent = file.getParent();
if (parent == null) return false;
Module module = myProjectRootManager.getFileIndex().getModuleForFile(parent);
if (module == null) return false;
VirtualFile[] excludeRoots = ModuleRootManager.getInstance(module).getExcludeRoots();
for (VirtualFile root : excludeRoots) {
if (root.equals(file)) return true;
}
return false;
}
@Override
public OrderEntry getLibraryEntry() {
if (!isValid()) return null;
PsiFile psiFile = getPsiFile();
VirtualFile virtualFile = getFile();
if (virtualFile == null) return null;
ProjectRootManager projectRootManager = ProjectRootManager.getInstance(getProject());
ProjectFileIndex fileIndex = projectRootManager.getFileIndex();
if (psiFile instanceof PsiCompiledElement || fileIndex.isInLibrarySource(virtualFile)) {
List<OrderEntry> orders = fileIndex.getOrderEntriesForFile(virtualFile);
for (OrderEntry order : orders) {
if (order instanceof LibraryOrderEntry || order instanceof JdkOrderEntry) {
return order;
}
}
}
return null;
}
@NotNull
@Override
public Collection<String> getNonTrivialPackagePrefixes() {
Set<String> names = myNontrivialPackagePrefixes;
if (names == null) {
names = new HashSet<>();
final ProjectRootManager rootManager = ProjectRootManager.getInstance(myManager.getProject());
final List<VirtualFile> sourceRoots =
rootManager.getModuleSourceRoots(JavaModuleSourceRootTypes.SOURCES);
final ProjectFileIndex fileIndex = rootManager.getFileIndex();
for (final VirtualFile sourceRoot : sourceRoots) {
if (sourceRoot.isDirectory()) {
final String packageName = fileIndex.getPackageNameByDirectory(sourceRoot);
if (packageName != null && !packageName.isEmpty()) {
names.add(packageName);
}
}
}
myNontrivialPackagePrefixes = names;
}
return names;
}