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

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Here is the source code for org.inbio.ait.web.ajax.controller.TableController.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.QueryManager;
import org.inbio.ait.manager.SpeciesManager;
import org.inbio.ait.util.SpeciesNode;
import org.inbio.ait.web.utils.TaxonInfoIndexColums;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

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

    private SpeciesManager speciesManager;
    private QueryManager queryManager;

    @Override
    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        String paramLayer = request.getParameter("l");
        String paramTaxon = request.getParameter("tx");
        String paramIndi = request.getParameter("i");
        String type = request.getParameter("t");
        String errorMsj = "Error con los parmetros: " + paramLayer + " " + paramTaxon + " " + paramIndi + " "
                + type;

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

            //Obtain the species list by all criteria
            List<SpeciesNode> species = speciesManager.speciesNodesByCriteria(layerArray, taxonArray, indiArray);

            //Matrix to store the results
            Long[][] matrix;

            //Building the matrix content
            int x = species.size(), y = 0;
            if (type.equals("p")) { //If polygons, show species * indicators
                y = indiArray.length;
                matrix = new Long[x][y];
                //Loop over rows
                for (int i = 0; i < x; i++) {
                    SpeciesNode node = species.get(i);
                    //Loop over columns
                    for (int j = 0; j < y; j++) {
                        matrix[i][j] = queryManager.countByIndicator(node.getName(), indiArray[j],
                                TaxonInfoIndexColums.SPECIMENS.getName(), layerArray[0]); //species,indicator,colunm,polygon
                    }
                }
            } else { //if indicators, show species * polygons
                y = layerArray.length;
                matrix = new Long[x][y];
                //Loop over rows
                for (int i = 0; i < x; i++) {
                    SpeciesNode node = species.get(i);
                    //Loop over columns
                    for (int j = 0; j < y; j++) {
                        matrix[i][j] = queryManager.countByPolygon(node.getName(), layerArray[j],
                                TaxonInfoIndexColums.SPECIMENS.getName(), indiArray[0]); //species,polygon,colunm,indicator
                    }
                }
            }

            //Return results via xml
            return writeReponse(request, response, matrix, species);

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

    /**
     * Return the XML with the results
     * @param request
     * @param response
     * @param species
     * @param matchesByPolygon
     * @return
     * @throws java.lang.Exception
     */
    private ModelAndView writeReponse(HttpServletRequest request, HttpServletResponse response, Long[][] matrix,
            List<SpeciesNode> species) 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>");
        result.append("<speciesList>");
        for (SpeciesNode sp : species) {
            result.append("<species>" + sp.getName() + "</species>");
        }
        result.append("</speciesList>");
        if (matrix.length > 0) {
            int rows = matrix.length;
            int columns = matrix[0].length;
            for (int i = 0; i < rows; i++) {
                result.append("<row>");
                for (int j = 0; j < columns; j++) {
                    result.append("<column>" + matrix[i][j] + "</column>");
                }
                result.append("</row>");
            }
        }
        result.append("</response>");

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

        return null;
    }

    /**
     * @return the speciesManager
     */
    public SpeciesManager getSpeciesManager() {
        return speciesManager;
    }

    /**
     * @param speciesManager the speciesManager to set
     */
    public void setSpeciesManager(SpeciesManager speciesManager) {
        this.speciesManager = speciesManager;
    }

    /**
     * @return the queryManager
     */
    public QueryManager getQueryManager() {
        return queryManager;
    }

    /**
     * @param queryManager the queryManager to set
     */
    public void setQueryManager(QueryManager queryManager) {
        this.queryManager = queryManager;
    }

}