tw.edu.chit.struts.action.util.AjaxLicenseCodeSearch.java Source code

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Here is the source code for tw.edu.chit.struts.action.util.AjaxLicenseCodeSearch.java

Source

package tw.edu.chit.struts.action.util;

import java.io.IOException;
import java.util.LinkedList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.StringUtils;
import org.hibernate.criterion.Example;
import org.hibernate.criterion.MatchMode;
import org.hibernate.criterion.Order;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import tw.edu.chit.model.LicenseCode;
import tw.edu.chit.service.AdminManager;
import tw.edu.chit.util.IConstants;

public class AjaxLicenseCodeSearch extends HttpServlet {

    private static final long serialVersionUID = 2022871713256998148L;

    @Override
    @SuppressWarnings("unchecked")
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {

        ApplicationContext ac = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
        AdminManager am = (AdminManager) ac.getBean(IConstants.ADMIN_MANAGER_BEAN_NAME);

        String licenseNameOrCode = request.getParameter("code").replaceAll("\\|", "");
        int limit = StringUtils.isBlank(request.getParameter("l")) ? -1
                : Integer.parseInt(request.getParameter("l"));
        response.setContentType("text/xml;charset=UTF-8");
        response.setHeader("Cache-Control", "no-cache");

        if (StringUtils.isNotBlank(licenseNameOrCode)) {

            LicenseCode code = new LicenseCode();
            code.setName("%" + licenseNameOrCode + "%");
            Example example = Example.create(code).ignoreCase().enableLike(MatchMode.ANYWHERE);
            List<Order> orders = new LinkedList<Order>();
            orders.add(Order.asc("code"));
            List<LicenseCode> codes = (List<LicenseCode>) am.findSQLWithCriteria(LicenseCode.class, example, null,
                    orders, limit);

            if (codes.isEmpty()) {
                code = new LicenseCode();
                try {
                    code.setCode(licenseNameOrCode);
                    example = Example.create(code).ignoreCase().enableLike(MatchMode.START);
                    codes = (List<LicenseCode>) am.findSQLWithCriteria(LicenseCode.class, example, null, orders,
                            limit);
                } catch (Exception e) {
                    code.setCode(null);
                    example = Example.create(code).ignoreCase().enableLike(MatchMode.START);
                    codes = (List<LicenseCode>) am.findSQLWithCriteria(LicenseCode.class, example, null, orders,
                            limit);
                }

            }

            StringBuffer buffer = new StringBuffer();
            buffer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
            buffer.append("<message>");
            String tmpStr = null;
            for (LicenseCode lc : codes) {
                // ?"&"?
                tmpStr = String.format("%s|%s|%s", StringUtils.trimToEmpty(lc.getCode().toString()),
                        StringUtils.replace(StringUtils.replace(
                                StringUtils.replace(StringUtils.trimToEmpty(lc.getName()), "", "("), "", ")"),
                                "&", ""),
                        StringUtils.deleteWhitespace(StringUtils.trimToEmpty(lc.getLevel())));
                buffer.append("<name>").append(tmpStr).append("</name>");
            }

            buffer.append("</message>");
            //System.out.println(buffer.toString());
            response.getWriter().write(buffer.toString());
        } else {
            response.getWriter().write("");
        }

    }

    @Override
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        doGet(request, response);
    }

}