/**
* Creates a {@link DocumentDescriptor}.
*
* @param name The stream's name.
* @param path The stream's path in the POI filesystem hierarchy.
* @param stream The stream.
* @param nrOfBytes The maximum number of bytes to display in a dump starting at the beginning of
* the stream.
*/
public DocumentDescriptor(
final String name,
final POIFSDocumentPath path,
final DocumentInputStream stream,
final int nrOfBytes) {
this.name = name;
this.path = path;
this.stream = stream;
try {
size = stream.available();
if (stream.markSupported()) {
stream.mark(nrOfBytes);
final byte[] b = new byte[nrOfBytes];
final int read = stream.read(b, 0, Math.min(size, b.length));
bytes = new byte[read];
System.arraycopy(b, 0, bytes, 0, read);
stream.reset();
}
} catch (IOException ex) {
System.out.println(ex);
}
}
public DocumentDataSource(DocumentInputStream input) {
this.input = input;
// Mark the start of the file
input.mark(0);
}