public static void removeDuplicatingClasses( final Module module, @NotNull final String packageName, @NotNull String className, @Nullable File classFile, String sourceRootPath) { if (sourceRootPath == null) { return; } VirtualFile sourceRoot = LocalFileSystem.getInstance().findFileByPath(sourceRootPath); if (sourceRoot == null) { return; } final Project project = module.getProject(); final JavaPsiFacade facade = JavaPsiFacade.getInstance(project); final String interfaceQualifiedName = packageName + '.' + className; PsiClass[] classes = facade.findClasses(interfaceQualifiedName, GlobalSearchScope.moduleScope(module)); final ProjectFileIndex projectFileIndex = ProjectRootManager.getInstance(project).getFileIndex(); for (PsiClass c : classes) { PsiFile psiFile = c.getContainingFile(); if (className.equals(FileUtil.getNameWithoutExtension(psiFile.getName()))) { VirtualFile virtualFile = psiFile.getVirtualFile(); if (virtualFile != null && projectFileIndex.getSourceRootForFile(virtualFile) == sourceRoot) { final String path = virtualFile.getPath(); File f = new File(path); try { f = f.getCanonicalFile(); classFile = classFile != null ? classFile.getCanonicalFile() : null; if (f != null && !f.equals(classFile) && f.exists()) { if (f.delete()) { virtualFile.refresh(true, false); } else { ApplicationManager.getApplication() .invokeLater( new Runnable() { public void run() { Messages.showErrorDialog( project, "Can't delete file " + path, CommonBundle.getErrorTitle()); } }, project.getDisposed()); } } } catch (IOException e) { LOG.info(e); } } } } }
@Nullable private VirtualFile getFileRoot(VirtualFile file) { if (myIndex.isLibraryClassFile(file)) { return myIndex.getClassRootForFile(file); } if (myIndex.isInContent(file)) { return myIndex.getSourceRootForFile(file); } if (myIndex.isInLibraryClasses(file)) { return myIndex.getClassRootForFile(file); } return null; }