package org.t246osslab.easybuggy.troubles; import java.io.IOException; import java.util.Locale; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.lang.math.NumberUtils; import org.t246osslab.easybuggy.core.servlets.AbstractServlet; @SuppressWarnings("serial") @WebServlet(urlPatterns = { "/te" }) public class TruncationErrorServlet extends AbstractServlet { @Override protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { Locale locale = req.getLocale(); String strNumber = req.getParameter("number"); double number = NumberUtils.toDouble(strNumber, -1); try { StringBuilder bodyHtml = new StringBuilder(); bodyHtml.append("<form action=\"te\" method=\"post\">"); bodyHtml.append(getMsg("msg.enter.positive.number", locale)); bodyHtml.append("<br><br>"); bodyHtml.append("10.0 " + getMsg("label.obelus", locale) + " "); if (0 < number && number < 10) { bodyHtml.append( "<input type=\"text\" name=\"number\" size=\"1\" maxlength=\"1\" value=" + strNumber + ">"); } else { bodyHtml.append("<input type=\"text\" name=\"number\" size=\"1\" maxlength=\"1\">"); } bodyHtml.append(" = "); if (0 < number && number < 10) { bodyHtml.append(String.valueOf(10.0 / number)); } bodyHtml.append("<br><br>"); bodyHtml.append("<input type=\"submit\" value=\"" + getMsg("label.calculate", locale) + "\">"); bodyHtml.append("<br><br>"); bodyHtml.append(getInfoMsg("msg.note.truncationerror", locale)); bodyHtml.append("</form>"); responseToClient(req, res, getMsg("title.truncationerror.page", locale), bodyHtml.toString()); } catch (Exception e) { log.error("Exception occurs: ", e); } } }