Example usage for edu.stanford.nlp.util StringUtils isNumeric

Introduction

In this page you can find the example usage for edu.stanford.nlp.util StringUtils isNumeric.

Prototype

public static boolean isNumeric(String s) 

Source Link

Document

Given a String the method uses Regex to check if the String only contains numeric characters

Usage

From source file:org.apdplat.qa.api.AskServlet.java

License:Open Source License

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*w ww. j  a  v  a  2 s  .c o m*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("application/json;charset=UTF-8");
    response.setCharacterEncoding("UTF-8");
    request.setCharacterEncoding("UTF-8");

    String questionStr = request.getParameter("q");
    String n = request.getParameter("n");
    int topN = -1;
    if (n != null && StringUtils.isNumeric(n)) {
        topN = Integer.parseInt(n);
    }
    Question question = null;
    List<CandidateAnswer> candidateAnswers = null;
    if (questionStr != null && questionStr.trim().length() > 3) {
        question = SharedQuestionAnsweringSystem.getInstance().answerQuestion(questionStr);
        if (question != null) {
            candidateAnswers = question.getAllCandidateAnswer();
        }
    }
    LOG.info("" + questionStr);
    try (PrintWriter out = response.getWriter()) {
        String json = JsonGenerator.generate(candidateAnswers, topN);
        out.println(json);
        LOG.info("" + json);
    }
}

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