public Map<String, String> getJasperExportParameters() {
try {
String format = getFormat();
if (JasperReportConstants.FORMAT_XLS.equals(format)) {
HttpServletRequest request = ServletActionContext.getRequest();
String reportId = request.getParameter("report");
File targetJasperFile = getTargetJasperFile(reportId);
JasperReport jasperReport = (JasperReport) JRLoader.loadObject(targetJasperFile);
// 为了方便模板设计和生产环境部署，扩展提供一个PROPERTY_WORKBOOK_TEMPLATE_FILENAME参数
// 如果在模板文件中定义此参数值，框架会用此文件名转换为对应和jasper文件所在同路径的绝对路径去覆盖模板中PROPERTY_WORKBOOK_TEMPLATE参数值
JRPropertiesMap properties = jasperReport.getPropertiesMap();
String xlsWorkbookTemplateFilename =
properties.getProperty(PROPERTY_WORKBOOK_TEMPLATE_FILENAME);
if (StringUtils.isNotBlank(xlsWorkbookTemplateFilename)) {
String xlsWorkbookTemplateFilepath =
getWebRootDir()
+ getRelativeJasperFilePath()
+ File.separator
+ xlsWorkbookTemplateFilename;
logger.debug(
"Overwrite jasper property: {}={}",
JRXlsAbstractExporter.PROPERTY_WORKBOOK_TEMPLATE,
xlsWorkbookTemplateFilepath);
exportParameters.put(
JRXlsAbstractExporter.PROPERTY_WORKBOOK_TEMPLATE, xlsWorkbookTemplateFilepath);
}
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new WebException(e.getMessage(), e);
}
return exportParameters;
}
protected void initSubreportFiller(DatasetExpressionEvaluator evaluator) throws JRException {
if (log.isDebugEnabled()) {
log.debug("Fill " + filler.fillerId + ": creating subreport filler");
}
switch (jasperReport.getPrintOrderValue()) {
case HORIZONTAL:
{
subreportFiller = new JRHorizontalFiller(jasperReport, evaluator, this);
break;
}
case VERTICAL:
{
subreportFiller = new JRVerticalFiller(jasperReport, evaluator, this);
break;
}
default:
{
throw new JRRuntimeException(
"Unkown print order " + jasperReport.getPrintOrderValue().getValue() + ".");
}
}
runner = getRunnerFactory().createSubreportRunner(this, subreportFiller);
subreportFiller.setSubreportRunner(runner);
}
protected Map<String, Object> evaluateParameterValues(byte evaluation) throws JRException {
return getParameterValues(
filler,
getParametersMapExpression(),
getParameters(),
evaluation,
false,
jasperReport.getResourceBundle() != null, // hasResourceBundle
jasperReport.getFormatFactoryClass() != null // hasFormatFactory
);
}
protected void verifyBandHeights() throws JRException {
if (!filler.fillContext.isIgnorePagination()) {
int pageHeight;
int topMargin = jasperReport.getTopMargin();
int bottomMargin = jasperReport.getBottomMargin();
JRBaseFiller parentFiller = filler;
do {
// set every time, so at the end it will be the master page height
pageHeight = parentFiller.jasperReport.getPageHeight();
// sum parent page margins
topMargin += parentFiller.jasperReport.getTopMargin();
bottomMargin += parentFiller.jasperReport.getBottomMargin();
parentFiller = parentFiller.parentFiller;
} while (parentFiller != null);
List<JRValidationFault> brokenRules = new ArrayList<JRValidationFault>();
JRVerifier.verifyBandHeights(brokenRules, jasperReport, pageHeight, topMargin, bottomMargin);
if (!brokenRules.isEmpty()) {
throw new JRValidationException(
"Band height validation for subreport \""
+ jasperReport.getName()
+ "\" failed in the current page context "
+ "(height = "
+ pageHeight
+ ", top margin = "
+ topMargin
+ ", bottom margin = "
+ bottomMargin
+ ") : ",
brokenRules);
} else if (log.isDebugEnabled()) {
log.debug(
"Band height validation for subreport \""
+ jasperReport.getName()
+ "\" succeeded in the current page context "
+ "(height = "
+ pageHeight
+ ", top margin = "
+ topMargin
+ ", bottom margin = "
+ bottomMargin
+ ")");
}
}
}
public Map<String, Object> getJasperReportParameters() {
Map<String, Object> jasperReportParameters = Maps.newHashMap();
try {
HttpServletRequest request = ServletActionContext.getRequest();
String reportId = request.getParameter("report");
File targetJasperFile = getTargetJasperFile(reportId);
JasperReport jasperReport = (JasperReport) JRLoader.loadObject(targetJasperFile);
// 根据模板定义转换处理传入参数类型
JRParameter[] params = jasperReport.getParameters();
for (Map.Entry<String, Object> val : reportParameters.entrySet()) {
String key = val.getKey();
if (val.getValue() == null) {
continue;
}
String[] vals = (String[]) val.getValue();
for (JRParameter param : params) {
if (!param.isSystemDefined() && param.isForPrompting()) {
String name = param.getName();
Class<?> clazz = param.getValueClass();
if (!name.equals(key)) {
continue;
}
// TODO: 先初步添加集合处理，后续逐步添加数字、日期等类型转换处理
if (Collection.class.isAssignableFrom(clazz)) {
// 集合类型参数处理，TODO: 可以考虑进一步添加param.getNestedType()处理
jasperReportParameters.put(key, vals);
} else {
// 其余情况把参数转换为普通字符串传入
jasperReportParameters.put(val.getKey(), StringUtils.join(vals, ","));
}
}
}
}
// 设置一些缺省属性供模板内部使用
jasperReportParameters.put("_RPT_ID", reportId);
jasperReportParameters.put("_RPT_FORMAT", this.getFormat());
String url = request.getRequestURL().toString();
logger.debug("Report URL: " + url);
jasperReportParameters.put("_RPT_URL", url);
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new WebException(e.getMessage(), e);
}
return jasperReportParameters;
}
public JREvaluator loadEvaluator(JasperReport jasperReport, JRCrosstab crosstab)
throws JRException {
JRReportCompileData reportCompileData = (JRReportCompileData) jasperReport.getCompileData();
String unitName = reportCompileData.getUnitName(jasperReport, crosstab);
Serializable compileData = reportCompileData.getCrosstabCompileData(crosstab);
return loadEvaluator(compileData, unitName);
}
public JREvaluator loadEvaluator(JasperReport jasperReport, JRDataset dataset)
throws JRException {
JRReportCompileData reportCompileData = (JRReportCompileData) jasperReport.getCompileData();
String unitName = reportCompileData.getUnitName(jasperReport, dataset);
Serializable compileData = reportCompileData.getDatasetCompileData(dataset);
return loadEvaluator(compileData, unitName);
}
public List<ReportParameter> getReportParameters() throws ClassNotFoundException, IOException {
if (reportParameters == null) {
final JasperReport[] jra = reportCard.getRichReportJRA();
final JasperReport masterReport = jra[0];
reportParameters = new LinkedList<ReportParameter>();
final JRParameter[] jrParameters = masterReport.getParameters();
for (int i = 0; i < jrParameters.length; i++) {
if (jrParameters[i].isForPrompting() && !jrParameters[i].isSystemDefined()) {
final JRParameter jrParameter = jrParameters[i];
final ReportParameter rp = ReportParameter.parseJrParameter(jrParameter);
reportParameters.add(rp);
}
}
}
return reportParameters;
}
private static JRDataset findSubdataset(JRDatasetRun datasetRun, JasperReport report) {
JRDataset[] datasets = report.getDatasets();
JRDataset reportDataset = null;
if (datasets != null) {
for (int i = 0; i < datasets.length; i++) {
if (datasetRun.getDatasetName().equals(datasets[i].getName())) {
reportDataset = datasets[i];
break;
}
}
}
if (reportDataset == null) {
throw new JRRuntimeException(
"Could not find subdataset named \""
+ datasetRun.getDatasetName()
+ "\" in report \""
+ report.getName()
+ "\"");
}
return reportDataset;
}
/** @deprecated Replaced by {@link JasperCompileManager#loadEvaluator(JasperReport)}. */
public JREvaluator loadEvaluator(JasperReport jasperReport) throws JRException {
return loadEvaluator(jasperReport, jasperReport.getMainDataset());
}
/**
* Returns the name of the expression evaluator unit for a dataset of a report.
*
* @param report the report
* @param dataset the dataset
* @return the generated expression evaluator unit name
*/
public static String getUnitName(JasperReport report, JRDataset dataset) {
return getUnitName(report, dataset, report.getCompileNameSuffix());
}
/**
* Returns the name of the expression evaluator unit for a crosstab of a report.
*
* @param report the report
* @param crosstab the crosstab
* @return the generated expression evaluator unit name
*/
public static String getUnitName(JasperReport report, JRCrosstab crosstab) {
return getUnitName(report, crosstab.getId(), report.getCompileNameSuffix());
}