org.cgiar.ccafs.ap.action.summaries.projects.ProjectEvaluationSummaryAction.java Source code

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Here is the source code for org.cgiar.ccafs.ap.action.summaries.projects.ProjectEvaluationSummaryAction.java

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/*****************************************************************
 * This file is part of CCAFS Planning and Reporting Platform.
 * CCAFS P&R 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.
 * CCAFS P&R 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 CCAFS P&R. If not, see <http://www.gnu.org/licenses/>.
 *****************************************************************/

package org.cgiar.ccafs.ap.action.summaries.projects;

import org.cgiar.ccafs.ap.action.BaseAction;
import org.cgiar.ccafs.ap.config.APConstants;
import org.cgiar.ccafs.utils.APConfig;
import org.cgiar.ccafs.utils.db.DAOManager;
import org.cgiar.ccafs.utils.summaries.Summary;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import com.google.inject.Inject;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Christia Garcia
 */
public class ProjectEvaluationSummaryAction extends BaseAction implements Summary {

    /**
     * 
     */
    private static final long serialVersionUID = -3652138144212588870L;

    /**
     * 
     */

    public static Logger LOG = LoggerFactory.getLogger(ProjectEvaluationSummaryAction.class);

    // PDF bytes
    private byte[] bytesPDF;

    // Streams
    InputStream inputStream;
    DAOManager dao;
    private int projectId;

    @Inject
    public ProjectEvaluationSummaryAction(APConfig config, DAOManager dao) {
        super(config);
        this.dao = dao;

    }

    @Override
    public String execute() throws Exception {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        InputStream is = null;
        try {
            is = this.getClass().getResourceAsStream("/jaspers/ProjectEvaluation.jasper");
        } catch (Exception e) {
            LOG.info(e.getMessage());
        }
        Map<String, Object> parametersMap = new HashMap<>();
        parametersMap.put("project_id", projectId);
        JasperPrint jasperPrint = JasperFillManager.fillReport(is, parametersMap, dao.getConnection());

        // jasperPrint.set(Format);
        JasperExportManager.exportReportToPdfStream(jasperPrint, os);
        bytesPDF = os.toByteArray();
        is.close();
        os.close();

        return SUCCESS;
    }

    @Override
    public int getContentLength() {
        return bytesPDF.length;
    }

    @Override
    public String getContentType() {
        return "application/pdf";
    }

    private File getFile(String fileName) {

        ClassLoader classLoader = this.getClass().getClassLoader();
        File file = new File(classLoader.getResource(fileName).getFile());

        return file;

    }

    @Override
    public String getFileName() {
        StringBuffer fileName = new StringBuffer();
        fileName.append("ProjectEvaluation_" + projectId);
        fileName.append("-" + new SimpleDateFormat("yyyyMMdd-HHmm").format(new Date()));
        fileName.append(".pdf");

        return fileName.toString();

    }

    @Override
    public InputStream getInputStream() {
        if (inputStream == null) {
            inputStream = new ByteArrayInputStream(bytesPDF);
        }
        return inputStream;
    }

    @Override
    public void prepare() {

        projectId = Integer
                .parseInt(StringUtils.trim(this.getRequest().getParameter(APConstants.PROJECT_REQUEST_ID)));

    }
}