// Try to get document, languageId information (used by didOpen) for each matched language server wrapper

// since here we should be in Read Action allowed

// to avoid creating a new ReadAction when didOpen occurs and avoid freeze

@Nullable

Map<LanguageServerWrapper, LanguageServerWrapper.LSPFileConnectionInfo> connectionFileInfo =

getFileConnectionInfoMap(file, matchedServersNow, document, project);

var info = connectionFileInfo != null ? connectionFileInfo.get(wrapper) : null;

if (info == null) {

info = new LanguageServerWrapper.LSPFileConnectionInfo(document, null, null, !writeAccessAllowed);

return wrapper.connect(file, info);

@Nullable

private static Map<LanguageServerWrapper, LanguageServerWrapper.LSPFileConnectionInfo> getFileConnectionInfoMap(@NotNull VirtualFile file,

@NotNull Collection<LanguageServerWrapper> languageServers,

@Nullable Document document,

@NotNull Project project) {

Map<LanguageServerWrapper, LanguageServerWrapper.LSPFileConnectionInfo> connectionFileInfo = null;

for (var ls : languageServers) {

var uri = ls.toUri(file);

if (uri != null && !ls.isConnectedTo(uri)) {

// The file is not connected to the current language server

// Get the required information for the didOpen (text and languageId) which requires a ReadAction.

if(document != null) {

if (connectionFileInfo == null) {

connectionFileInfo = new HashMap<>();

}

String text = document.getText();

String languageId = ls.getServerDefinition().getLanguageId(file, project);

var info = new LanguageServerWrapper.LSPFileConnectionInfo(document, text, languageId, true);

connectionFileInfo.put(ls, info);

}

}

}

return connectionFileInfo;

}