/**
* Returns the text of the first line in the loaded document which has an error.
*
* @ensure result is the text of the first line with an error
* @throws NoDocumentException, if a document has not been loaded
* @throws NoSuchLineException, if there are no lines with errors
*/
public String getLine() {
if (document == null) {
throw new NoDocumentException();
}
/*
* line holds the first line in the loaded document which contains an
* error.
*/
Line line = getFirstLineWithError();
if (line == null) {
throw new NoSuchLineException();
}
return line.getText();
}
/**
* Returns the text of the first line with an error in the loaded document with the first
* misspelled word replaced by correction. The error is removed from the loaded document.
*
* @require correction is not null
* @ensure result is the text of the first line with an error with its first misspelled word
* replaced by correction, and the first error is removed from the loaded document
* @throws NoDocumentException, if a document has not been loaded
* @throws NoSuchErrorException, if there are no errors in the loaded document
*/
public String correctError(String correction) {
if (document == null) {
throw new NoDocumentException();
}
/*
* line holds the first line in the loaded document which contains an
* error.
*/
Line lineWithError = getFirstLineWithError();
if (lineWithError == null) {
throw new NoSuchErrorException();
}
/*
* lineCorrected holds the corrected version of lineWithError.
*/
Line lineCorrected = lineWithError.correctError(0, correction);
document.correctError(getLineIndex(lineWithError), 0, correction);
return lineCorrected.getText();
}