org.efs.openreports.actions.ChartReportAction.java Source code

Introduction

Here is the source code for org.efs.openreports.actions.ChartReportAction.java

Source

/*
 * Copyright (C) 2006 Erik Swenson - erik@oreports.com
 * 
 * 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 2 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, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA.
 *  
 */

package org.efs.openreports.actions;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import org.apache.log4j.Logger;
import org.efs.openreports.ORStatics;
import org.efs.openreports.engine.ChartReportEngine;
import org.efs.openreports.engine.input.ReportEngineInput;
import org.efs.openreports.engine.output.ChartEngineOutput;
import org.efs.openreports.objects.Report;
import org.efs.openreports.objects.ReportLog;
import org.efs.openreports.objects.ReportUser;
import org.efs.openreports.objects.chart.ChartValue;
import org.efs.openreports.util.LocalStrings;
import org.jfree.chart.imagemap.ImageMapUtilities;

import com.opensymphony.xwork.ActionContext;

public class ChartReportAction extends QueryReportAction {
    protected static Logger log = Logger.getLogger(ChartReportAction.class);

    private String imageMap;
    private ChartValue[] chartValues;

    public String execute() {
        ReportUser user = (ReportUser) ActionContext.getContext().getSession().get(ORStatics.REPORT_USER);

        report = (Report) ActionContext.getContext().getSession().get(ORStatics.REPORT);

        Map reportParameters = getReportParameterMap(user);

        ReportLog reportLog = new ReportLog(user, report, new Date());

        try {
            log.debug("Starting Chart Report: " + report.getName());

            reportLogProvider.insertReportLog(reportLog);

            ChartReportEngine chartReportEngine = new ChartReportEngine(dataSourceProvider, directoryProvider,
                    propertiesProvider);

            ReportEngineInput input = new ReportEngineInput(report, reportParameters);

            ChartEngineOutput chartOutput = (ChartEngineOutput) chartReportEngine.generateReport(input);

            chartValues = chartOutput.getChartValues();
            if (chartValues.length == 0) {
                addActionError(LocalStrings.getString(LocalStrings.ERROR_REPORT_EMPTY));
            }

            imageMap = ImageMapUtilities.getImageMap("chart", chartOutput.getChartRenderingInfo());

            HashMap imagesMap = new HashMap();
            imagesMap.put("ChartImage", chartOutput.getContent());

            ActionContext.getContext().getSession().put(ORStatics.IMAGES_MAP, imagesMap);

            reportLog.setEndTime(new Date());
            reportLog.setStatus(ReportLog.STATUS_SUCCESS);
            reportLogProvider.updateReportLog(reportLog);

            log.debug("Finished Chart Report: " + report.getName());
        } catch (Exception e) {
            addActionError(e.getMessage());

            log.error(e.toString());

            reportLog.setMessage(e.getMessage());
            reportLog.setStatus(ReportLog.STATUS_FAILURE);

            reportLog.setEndTime(new Date());

            try {
                reportLogProvider.updateReportLog(reportLog);
            } catch (Exception ex) {
                log.error("Unable to create ReportLog: " + ex.getMessage());
            }

            return ERROR;
        }

        return SUCCESS;
    }

    public String getImageMap() {
        return imageMap;
    }

    public void setImageMap(String imageMap) {
        this.imageMap = imageMap;
    }

    public ChartValue[] getChartValues() {
        return chartValues;
    }
}