PlaceholderConfigurer.java 文件源码

public List<String> getQueries() throws SQLDataException {
    CharStream input = new ANTLRInputStream(sqlWithPlaceholders);
    ANTLRErrorListener errorListener = new InternalErrorListener();
    ParametersLexer parametersLexer = new ParametersLexer(input);
    parametersLexer.removeErrorListeners();
    parametersLexer.addErrorListener(errorListener);
    CommonTokenStream commonTokenStream = new CommonTokenStream(parametersLexer);
    ParametersParser parametersParser = new ParametersParser(commonTokenStream);
    parametersParser.removeErrorListeners();
    parametersParser.addErrorListener(errorListener);
    ParseTree parseTree = parametersParser.queries();
    ParseTreeWalker walker = new ParseTreeWalker();
    walker.walk(this, parseTree);
    if (exception.isPresent()) {
        throw exception.get();
    }
    return preparedQueries;
}