/**
* Processes a binary request for a report in binary format. The request should contain the
* following parameters:
*
* <dl>
* <dt><code>reportId</code>
* <dd>The ID of the report to download.
* <dt><code>format</code>
* <dd>The file format of the report. Possible values:
* <ul>
* <li><code>html</code>
* <li><code>pdf</code>
* <li><code>rtf</code>
* <li><code>doc</code>
* <li><code>xml</code>
* </ul>
* </dl>
*
* @param binaryRequestContext The context of the binary request.
*/
public void process(BinaryRequestContext binaryRequestContext) {
ReportDAO reportDAO = DAOFactory.getInstance().getReportDAO();
MagicKeyDAO magicKeyDAO = DAOFactory.getInstance().getMagicKeyDAO();
Long reportId = binaryRequestContext.getLong("reportId");
String formatParameter = binaryRequestContext.getString("format");
ReportOutputFormat outputFormat = Enum.valueOf(ReportOutputFormat.class, formatParameter);
StringBuilder magicKeyBuilder =
new StringBuilder()
.append(Long.toHexString(reportId))
.append('-')
.append(Long.toHexString(System.currentTimeMillis()))
.append('-')
.append(Long.toHexString(Thread.currentThread().getId()));
MagicKey magicKey = magicKeyDAO.create(magicKeyBuilder.toString(), MagicKeyScope.REQUEST);
Report report = reportDAO.findById(reportId);
String reportName = report.getName().toLowerCase().replaceAll("[^a-z0-9\\.]", "_");
String reportsContextPath = System.getProperty("reports.contextPath");
StringBuilder urlBuilder =
new StringBuilder()
.append(reportsContextPath)
.append("/preview")
.append("?magicKey=")
.append(magicKey.getName())
.append("&__report=reports/")
.append(reportId)
.append(".rptdesign")
.append("&__format=")
.append(outputFormat.name());
Map<String, String[]> parameterMap = binaryRequestContext.getRequest().getParameterMap();
for (String parameterName : parameterMap.keySet()) {
if (!reservedParameters.contains(parameterName)) {
String[] values = parameterMap.get(parameterName);
for (String value : values) {
// TODO ISO-8859-1 should be UTF-8, once Birt's parameter dialog form has its
// accept-charset="UTF-8" set
try {
urlBuilder
.append('&')
.append(parameterName)
.append('=')
.append(URLEncoder.encode(value, "ISO-8859-1"));
} catch (UnsupportedEncodingException e) {
throw new SmvcRuntimeException(e);
}
}
}
}
binaryRequestContext.setFileName(reportName + '.' + outputFormat.getExt());
binaryRequestContext.setContentUrl(urlBuilder.toString());
}
