@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
PsiFile psiFile = descriptor.getPsiElement().getContainingFile();
VirtualFile virtualFile = psiFile.getVirtualFile();
ChooseFileEncodingAction action =
new ChooseFileEncodingAction(virtualFile) {
@Override
protected void chosen(VirtualFile virtualFile, Charset charset) {
if (virtualFile != null) {
EncodingManager.getInstance().setEncoding(virtualFile, charset);
}
}
};
DefaultActionGroup group = action.createGroup(false);
DataContext dataContext = DataManager.getInstance().getDataContext();
JBPopupFactory.getInstance()
.createActionGroupPopup(null, group, dataContext, false, false, false, null, 30, null)
.showInBestPositionFor(dataContext);
}
private static void checkFileLoadedInWrongEncoding(
PsiFile file,
InspectionManager manager,
boolean isOnTheFly,
VirtualFile virtualFile,
Charset charset,
List<ProblemDescriptor> descriptors) {
if (FileDocumentManager.getInstance()
.isFileModified(virtualFile) // when file is modified, it's too late to reload it
|| ChooseFileEncodingAction.isEnabledAndWhyNot(virtualFile)
!= null // can't reload in another encoding, no point trying
) {
return;
}
// check if file was loaded in correct encoding
byte[] bytes;
try {
bytes = virtualFile.contentsToByteArray();
} catch (IOException e) {
return;
}
String separator =
FileDocumentManager.getInstance().getLineSeparator(virtualFile, file.getProject());
String toSave = StringUtil.convertLineSeparators(file.getText(), separator);
byte[] bom = virtualFile.getBOM();
byte[] bytesToSave =
ArrayUtil.mergeArrays(
bom == null ? ArrayUtil.EMPTY_BYTE_ARRAY : bom, toSave.getBytes(charset));
if (!Arrays.equals(bytesToSave, bytes)) {
descriptors.add(
manager.createProblemDescriptor(
file,
"File was loaded in a wrong encoding: '" + charset + "'",
RELOAD_ENCODING_FIX,
ProblemHighlightType.GENERIC_ERROR,
isOnTheFly));
}
}