org.inbio.ait.web.ajax.controller.PointsController.java Source code

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Here is the source code for org.inbio.ait.web.ajax.controller.PointsController.java

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/* AIT - Analysis of taxonomic indicators
 *
 * Copyright (C) 2010  INBio (Instituto Nacional de Biodiversidad)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.inbio.ait.web.ajax.controller;

import java.util.List;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.inbio.ait.manager.PointsManager;
import org.inbio.ait.model.Specimen;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

/**
 *
 * @author esmata
 */
public class PointsController implements Controller {

    private PointsManager pointsManager;

    @Override
    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        String paramLayer = request.getParameter("layers");
        String paramTaxon = request.getParameter("taxons");
        String paramIndi = request.getParameter("indi");
        String errorMsj = "Error con los parmetros: " + paramLayer + " " + paramTaxon + " " + paramIndi;

        try {

            //Arrays that contains the parameters data
            String[] layerArray = paramLayer.split("\\|");
            String[] taxonArray = paramTaxon.split("\\|");
            String[] indiArray = paramIndi.split("\\|");

            //Specimens that match with the search criteria
            List<Specimen> specimens = pointsManager.specimensByCriteria(layerArray, taxonArray, indiArray);

            return writeReponse(request, response, specimens);

        } catch (IllegalArgumentException iae) {
            throw new Exception(errorMsj + " " + iae.getMessage());
        }
    }

    private ModelAndView writeReponse(HttpServletRequest request, HttpServletResponse response,
            List<Specimen> specimens) throws Exception {

        response.setCharacterEncoding("ISO-8859-1");
        response.setContentType("text/xml");
        ServletOutputStream out = response.getOutputStream();

        StringBuilder result = new StringBuilder();
        result.append("<?xml version='1.0' encoding='ISO-8859-1'?><response><specimens>");

        for (Specimen s : specimens) {
            result.append("<specimen><scientificname>" + s.getScientificname() + "</scientificname>" + "<longitude>"
                    + s.getDecimallongitude() + "</longitude>" + "<catalog>" + s.getCatalognumber() + "</catalog>"
                    + "<institution>" + s.getInstitutioncode() + "</institution>" + "<latitude>"
                    + s.getDecimallatitude() + "</latitude></specimen>");
        }
        result.append("</specimens></response>");

        out.println(result.toString());
        out.flush();
        out.close();

        return null;
    }

    /**
     * @return the pointsManager
     */
    public PointsManager getPointsManager() {
        return pointsManager;
    }

    /**
     * @param pointsManager the pointsManager to set
     */
    public void setPointsManager(PointsManager pointsManager) {
        this.pointsManager = pointsManager;
    }

}