Review

finding-11

/mubench/checkouts/asterisk-java/304421c/build/src/main/java/org/asteriskjava/config/ConfigFileReader.java

parseDirective(String, int, String)

class ConfigFileReader {
    ConfigDirective parseDirective(String configfile, int lineno, String line) throws ConfigParseException
    {
        ConfigDirective directive;
        final StringBuilder nameBuilder;
        final StringBuilder paramBuilder;
        String name = null;
        String param;

        nameBuilder = new StringBuilder();
        paramBuilder = new StringBuilder();
        for (int i = 1; i < line.length(); i++)
        {
            final char c;

            c = line.charAt(i);
            if (name == null)
            {
                nameBuilder.append(c);
                if (Character.isWhitespace(c) || i + 1 == line.length())
                {
                    name = nameBuilder.toString().trim();
                }
            }
            else
            {
                paramBuilder.append(c);
            }
        }

        param = paramBuilder.toString().trim();

        if (param.length() != 0 &&
                (param.charAt(0) == '"' || param.charAt(0) == '<' || param.charAt(0) == '>'))
        {
            param = param.substring(1);
        }

        int endPos = param.length() - 1;
        if (param.length() != 0 &&
                (param.charAt(endPos) == '"' || param.charAt(endPos) == '<' || param.charAt(endPos) == '>'))
        {
            param = param.substring(0, endPos);
        }

        if ("exec".equalsIgnoreCase(name))
        {
            directive = new ExecDirective(configfile, lineno, param);
        }
        else if ("include".equalsIgnoreCase(name))
        {
            directive = new IncludeDirective(configfile, lineno, param);
        }
        else
        {
            throw new UnknownDirectiveException(configfile, lineno,
                    "Unknown directive '%s' at line %d of %s", name, lineno, configfile);
        }

        if (param.length() == 0)
        {
            throw new MissingDirectiveParameterException(configfile, lineno,
                    "Directive '#%s' needs an argument (%s) at line %d of %s",
                    name.toLowerCase(Locale.US),
                    "include".equalsIgnoreCase(name) ? "filename" : "/path/to/executable",
                    lineno,
                    configfile);
        }

        return directive;
    }

}