public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
Parameter param;
try {
String paramName = request.getParameter(PARAM_NAME);
param = paramDao.getParemeter(paramName);
response.getWriter().append(param.toString());
} catch (SQLException e) {
e.printStackTrace();
response.getWriter().append("Error while serving at: ").append(request.getContextPath());
}
}
private Parameter getParameterWithoutValue(String name) throws SQLException {
String getParameterQuery = parser.getParameterQuery(name);
ResultSet result = executeQuery(getParameterQuery);
String type = result.getString("type").trim();
String description = result.getString("description").trim();
String category = result.getString("category").trim();
statement.close();
Parameter param = ParameterFactory.createParameter(type);
param.setName(name);
param.setDescription(description);
param.setCategory(category);
return param;
}
private Object getParameterValue(Parameter param) throws SQLException {
String getParamValueQuery = parser.getParameterValueQuery(param);
String type = param.getType();
ResultSet result = executeQuery(getParamValueQuery);
return parseResultValue(type, result);
}
public Parameter getParemeter(String name) throws SQLException {
Parameter param = getParameterWithoutValue(name);
Object paramValue = getParameterValue(param);
param.setValue(paramValue);
return param;
}