chartserviceimpl.java

GridSphere 门户 提供一个基于 portlet 的高级开放源代码门户。GridSphere 是在欧盟提供基金的 GridLab 项目下开发的

        org.gridsphere.services.core.secdir.FileInfo resourceLists[] = secureDirectoryService.getFileList(secureDirectoryService.createFileLocationID(userID, CHART_SERVICE_DIRECTORY, appName + "/" + path));
        int count = 0;
        if (resourceLists == null)
            return null;
        for (int i = 0; i < resourceLists.length; ++i) {
            if (!resourceLists[i].isDirectory())
                ++count;
        }
        String chartList[] = new String[count];
        count = 0;
        for (int i = 0; i < resourceLists.length; ++i) {
            if (!resourceLists[i].isDirectory()) {
                String resource = resourceLists[i].getResource();
                resource = util.substitute("s/\\.xml$//", resource);
                chartList[count++] = resource;
            }
        }
        return chartList;
    }

    public File getChartImageFile(FileLocationID fileLocationID) throws IOException, Exception {
        String userID = fileLocationID.getUserID();
        String appName = fileLocationID.getCategory();
        String resource = fileLocationID.getFilePath();
        refreshChart(fileLocationID);
        ChartDescriptor chartDescriptor = readChartDescriptor(userID, appName, resource);
        Image imageInfo = chartDescriptor.getFileInfo().getImage();
        return secureDirectoryService.getFile(secureDirectoryService.createFileLocationID(userID,
                imageInfo.getAppName(),
                imageInfo.getFilename() + (imageInfo.getType().equals("JPEG") ? ".jpeg" : ".png")));
    }

    public File getChartDataFile(FileLocationID fileLocationID) throws IOException, Exception {
        String userID = fileLocationID.getUserID();
        String appName = fileLocationID.getCategory();
        String resource = fileLocationID.getFilePath();
        ChartDescriptor chartDescriptor = readChartDescriptor(userID, appName, resource);
        Dataset datasetInfo = chartDescriptor.getFileInfo().getDataset();
        return secureDirectoryService.getFile(secureDirectoryService.createFileLocationID(userID,
                datasetInfo.getAppName(),
                datasetInfo.getFilename() + ".xml"));
    }

    public boolean deleteChart(FileLocationID fileLocationID) throws IOException, Exception {
        return deleteChart(fileLocationID, false);
    }

    public boolean deleteChart(FileLocationID fileLocationID, boolean deleteDataset) throws IOException, Exception {
        String userID = fileLocationID.getUserID();
        String appName = fileLocationID.getCategory();
        String resource = fileLocationID.getFilePath();
        ChartDescriptor chartDescriptor = readChartDescriptor(userID, appName, resource);
        Image imageInfo = chartDescriptor.getFileInfo().getImage();
        secureDirectoryService.deleteFile(secureDirectoryService.createFileLocationID(userID,
                imageInfo.getAppName(),
                imageInfo.getFilename() + (imageInfo.getType().equals("JPEG") ? ".jpeg" : ".png")),
                true,
                true);
        if (deleteDataset) {
            Dataset dataset = chartDescriptor.getFileInfo().getDataset();
            secureDirectoryService.deleteFile(secureDirectoryService.createFileLocationID(userID,
                    dataset.getAppName(),
                    dataset.getFilename() + ".xml"),
                    true,
                    true);
        }
        return secureDirectoryService.deleteFile(secureDirectoryService.createFileLocationID(userID, CHART_SERVICE_DIRECTORY, appName + "/" + resource + ".xml"), true, true);
    }

    public FileLocationID createChartLocationID(String userID, String category, String fileName) {
        return new FileLocationID(userID, category, fileName);
    }

    public boolean chartExists(FileLocationID fileLocationID) {
        File file = secureDirectoryService.getFile(secureDirectoryService.createFileLocationID(fileLocationID.getUserID(), CHART_SERVICE_DIRECTORY, fileLocationID.getCategory() + "/" + fileLocationID.getFilePath() + ".xml"));
        return file.exists();
    }

    private boolean refreshChart(FileLocationID fileLocationID) throws IOException, MarshalException, ValidationException, Exception {
        String userID = fileLocationID.getUserID();
        String appName = fileLocationID.getCategory();
        String resource = fileLocationID.getFilePath();
        ChartDescriptor chartDescriptor = readChartDescriptor(userID, appName, resource);
        if (chartDescriptor.getChartInfo().getRefresh() == false) {
            Image imageInfo = chartDescriptor.getFileInfo().getImage();
//            File imageFile = getChartImageFile(userID, appName, resource);
            Dataset datasetInfo = chartDescriptor.getFileInfo().getDataset();
            File datasetFile = getChartDataFile(fileLocationID);
            if ((imageInfo.getTimestamp() > datasetInfo.getTimestamp()) && (imageInfo.getTimestamp() >= datasetFile.lastModified()))
                return false;
        }
        org.jfree.data.Dataset dataset = readDataset(userID, chartDescriptor.getFileInfo().getDataset().getAppName(), resource, chartDescriptor.getFileInfo().getDataset().getType());
        org.jfree.chart.JFreeChart chart = null;
        ChartInfo chartInfo = chartDescriptor.getChartInfo();
        try {
            if (chartInfo.getType().equals("Pie")) {
                chart = org.jfree.chart.ChartFactory.createPieChart(chartInfo.getTitle(),
                        (org.jfree.data.DefaultPieDataset) dataset,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("Pie3D")) {
                chart = org.jfree.chart.ChartFactory.createPieChart3D(chartInfo.getTitle(),
                        (org.jfree.data.DefaultPieDataset) dataset,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("Bar")) {
                chart = org.jfree.chart.ChartFactory.createBarChart(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.DefaultCategoryDataset) dataset,
                        chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                        org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                        org.jfree.chart.plot.PlotOrientation.VERTICAL,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("Bar3D")) {
                chart = org.jfree.chart.ChartFactory.createBarChart3D(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.DefaultCategoryDataset) dataset,
                        chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                        org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                        org.jfree.chart.plot.PlotOrientation.VERTICAL,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("StackedBar")) {
                chart = org.jfree.chart.ChartFactory.createStackedBarChart(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.DefaultCategoryDataset) dataset,
                        chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                        org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                        org.jfree.chart.plot.PlotOrientation.VERTICAL,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("StackedBar3D")) {
                chart = org.jfree.chart.ChartFactory.createStackedBarChart3D(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.DefaultCategoryDataset) dataset,
                        chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                        org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                        org.jfree.chart.plot.PlotOrientation.VERTICAL,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("BarXY")) {
                if (dataset instanceof org.jfree.data.XYSeriesCollection)
                    chart = org.jfree.chart.ChartFactory.createXYBarChart(chartInfo.getTitle(),
                            chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                            false,
                            chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                            (org.jfree.data.XYSeriesCollection) dataset,
                            chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                            org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                            org.jfree.chart.plot.PlotOrientation.VERTICAL,
                            chartInfo.getLegend(),
                            false,
                            false);
                else
                    chart = org.jfree.chart.ChartFactory.createXYBarChart(chartInfo.getTitle(),
                            chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                            true,
                            chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                            (org.jfree.data.time.TimeSeriesCollection) dataset,
                            chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                            org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                            org.jfree.chart.plot.PlotOrientation.VERTICAL,
                            chartInfo.getLegend(),
                            false,
                            false);
            } else if (chartInfo.getType().equals("Area")) {
                chart = org.jfree.chart.ChartFactory.createAreaChart(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.DefaultCategoryDataset) dataset,
                        chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                        org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                        org.jfree.chart.plot.PlotOrientation.VERTICAL,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("StackedArea")) {
                chart = org.jfree.chart.ChartFactory.createStackedAreaChart(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.DefaultCategoryDataset) dataset,
                        chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                        org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                        org.jfree.chart.plot.PlotOrientation.VERTICAL,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("AreaXY")) {
                chart = org.jfree.chart.ChartFactory.createXYAreaChart(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.XYSeriesCollection) dataset,
                        chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                        org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                        org.jfree.chart.plot.PlotOrientation.VERTICAL,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("Gantt")) {
                chart = org.jfree.chart.ChartFactory.createGanttChart(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.gantt.TaskSeriesCollection) dataset,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("Line")) {
                chart = org.jfree.chart.ChartFactory.createLineChart(chartInfo.getTitle(),
                        chartInfo.getPlot().getSettings().getCategory().getDomainAxisLabel(),
                        chartInfo.getPlot().getSettings().getCategory().getRangeAxisLabel(),
                        (org.jfree.data.DefaultCategoryDataset) dataset,
                        chartInfo.getPlot().getSettings().getCategory().getPlotOrientation().equals("PlotOrientation.HORIZONTAL") ?
                        org.jfree.chart.plot.PlotOrientation.HORIZONTAL :
                        org.jfree.chart.plot.PlotOrientation.VERTICAL,
                        chartInfo.getLegend(),
                        false,
                        false);
            } else if (chartInfo.getType().equals("LineXY")) {