public void createReportContent(
final OutputStream outputStream,
final Serializable fileId,
final String path,
final boolean forceDefaultOutputTarget)
throws Exception {
final long start = System.currentTimeMillis();
final Map<String, Object> inputs = contentGenerator.createInputs();
AuditHelper.audit(
userSession.getId(),
userSession.getName(),
path,
contentGenerator.getObjectName(),
getClass().getName(),
MessageTypes.INSTANCE_START,
contentGenerator.getInstanceId(),
"",
0,
contentGenerator); //$NON-NLS-1$
String result = MessageTypes.INSTANCE_END;
StagingHandler reportStagingHandler = null;
try {
final Object rawSessionId = inputs.get(ParameterXmlContentHandler.SYS_PARAM_SESSION_ID);
if ((rawSessionId instanceof String) == false || "".equals(rawSessionId)) {
inputs.put(ParameterXmlContentHandler.SYS_PARAM_SESSION_ID, UUIDUtil.getUUIDAsString());
}
// produce rendered report
final SimpleReportingComponent reportComponent = new SimpleReportingComponent();
reportComponent.setReportFileId(fileId);
reportComponent.setPaginateOutput(true);
reportComponent.setForceDefaultOutputTarget(forceDefaultOutputTarget);
reportComponent.setDefaultOutputTarget(HtmlTableModule.TABLE_HTML_PAGE_EXPORT_TYPE);
if (path.endsWith(".prpti")) {
reportComponent.setForceUnlockPreferredOutput(true);
}
reportComponent.setInputs(inputs);
final MasterReport report = reportComponent.getReport();
final StagingMode stagingMode = getStagingMode(inputs, report);
reportStagingHandler = new StagingHandler(outputStream, stagingMode, this.userSession);
if (reportStagingHandler.isFullyBuffered()) {
// it is safe to disable the buffered writing for the report now that we have a
// extra buffering in place.
report.getReportConfiguration().setConfigProperty(FORCED_BUFFERED_WRITING, "false");
}
reportComponent.setOutputStream(reportStagingHandler.getStagingOutputStream());
// the requested mime type can be null, in that case the report-component will resolve the
// desired
// type from the output-target.
// Hoever, the report-component will inspect the inputs independently from the mimetype here.
final IUnifiedRepository repository =
PentahoSystem.get(IUnifiedRepository.class, userSession);
final RepositoryFile file = repository.getFileById(fileId);
// add all inputs (request parameters) to report component
final String mimeType = reportComponent.getMimeType();
// If we haven't set an accepted page, -1 will be the default, which will give us a report
// with no pages. This default is used so that when we do our parameter interaction with the
// engine we can spend as little time as possible rendering unused pages, making it no pages.
// We are going to intentionally reset the accepted page to the first page, 0, at this point,
// if the accepted page is -1.
final String outputTarget = reportComponent.getComputedOutputTarget();
if (HtmlTableModule.TABLE_HTML_PAGE_EXPORT_TYPE.equals(outputTarget)
&& reportComponent.getAcceptedPage() < 0) {
reportComponent.setAcceptedPage(0);
}
if (logger.isDebugEnabled()) {
logger.debug(
Messages.getInstance()
.getString(
"ReportPlugin.logStartGenerateContent",
mimeType, //$NON-NLS-1$
outputTarget,
String.valueOf(reportComponent.getAcceptedPage())));
}
HttpServletResponse response = null;
boolean streamToBrowser = false;
final IParameterProvider pathProviders = contentGenerator.getParameterProviders().get("path");
if (pathProviders != null) {
final Object httpResponse = pathProviders.getParameter("httpresponse");
if (httpResponse
instanceof HttpServletResponse) { // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
response = (HttpServletResponse) httpResponse; // $NON-NLS-1$ //$NON-NLS-2$
if (reportStagingHandler.getStagingMode() == StagingMode.THRU) {
// Direct back - check output stream...
final OutputStream respOutputStream = response.getOutputStream();
if (respOutputStream == outputStream) {
//
// Massive assumption here -
// Assume the container returns the same object on successive calls to
// response.getOutputStream()
streamToBrowser = true;
}
}
}
}
final String extension = MimeHelper.getExtension(mimeType);
String filename = file.getName();
if (filename.lastIndexOf(".") != -1) { // $NON-NLS-1$
filename = filename.substring(0, filename.lastIndexOf(".")); // $NON-NLS-1$
}
String disposition =
"inline; filename*=UTF-8''"
+ RepositoryPathEncoder.encode(
RepositoryPathEncoder.encodeRepositoryPath(filename + extension));
final boolean validates = reportComponent.validate();
if (!validates) {
sendErrorResponse(response, outputStream, reportStagingHandler);
} else {
if (response != null) {
// Send headers before we begin execution
response.setHeader("Content-Disposition", disposition);
response.setHeader("Content-Description", file.getName()); // $NON-NLS-1$
response.setHeader("Cache-Control", "private, max-age=0, must-revalidate");
}
if (reportComponent.execute()) {
if (response != null) {
if (reportStagingHandler.canSendHeaders()) {
response.setHeader("Content-Disposition", disposition);
response.setHeader("Content-Description", file.getName()); // $NON-NLS-1$
response.setHeader("Cache-Control", "private, max-age=0, must-revalidate");
response.setContentLength(reportStagingHandler.getWrittenByteCount());
}
}
if (logger.isDebugEnabled()) {
logger.debug(
Messages.getInstance()
.getString(
"ReportPlugin.logEndGenerateContent",
String.valueOf(reportStagingHandler.getWrittenByteCount()))); // $NON-NLS-1$
}
reportStagingHandler.complete(); // will copy bytes to final destination...
} else { // failed execution
sendErrorResponse(response, outputStream, reportStagingHandler);
}
}
} catch (Exception ex) {
result = MessageTypes.INSTANCE_FAILED;
throw ex;
} finally {
if (reportStagingHandler != null) {
reportStagingHandler.close();
}
final long end = System.currentTimeMillis();
AuditHelper.audit(
userSession.getId(),
userSession.getName(),
path,
contentGenerator.getObjectName(),
getClass().getName(),
result,
contentGenerator.getInstanceId(),
"",
((float) (end - start) / 1000),
contentGenerator); //$NON-NLS-1$
}
}
public ExecuteReportContentHandler(final ReportContentGenerator contentGenerator) {
this.contentGenerator = contentGenerator;
this.userSession = contentGenerator.getUserSession();
}
