/**
* Generar un nombre de archivo a grabar en el directorio temporal del usuario y asignarlo al
* fileName del report.
*
* @return
*/
public String generateFileNameTmp() {
// Purgar directorio de ficheros temporales generados por gana con 2
// horas de diferencia
File dir = new File(EnvironmentVariables.getUserTmp());
if (dir.list().length > 0) {
for (String filename : dir.list()) {
if (filename.indexOf("gana_tmp_") > -1) {
File file = new File(EnvironmentVariables.getUserTmp() + filename);
Date d = new Date(file.lastModified());
if (DateUtils.getDiffHoursDates(d, new Date()) > 1) {
file.delete();
}
}
}
}
fileName =
EnvironmentVariables.getUserTmp()
+ "gana_tmp_report_"
+ SystemUtils.getIdDocument()
+ ".xls";
if (excel != null) excel.setFileName(fileName);
return fileName;
}
@Override
public synchronized byte[] getBytes() throws Exception {
if (data != null) {
return data;
}
InputStream in = SystemUtils.getResource(resource);
if (in == null) {
throw new Exception("RESOURCE '" + resource + "' NOT FOUND.");
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
// you can configure the buffer size
byte[] buffer = new byte[1024];
while (in.read(buffer) != -1) {
out.write(buffer);
}
data = out.toByteArray();
return data;
}