Examples with DocumentInputStream org.apache.poi.poifs.filesystem.DocumentInputStream used on opensource projects

Example 21 with DocumentInputStream

use of org.apache.poi.poifs.filesystem.DocumentInputStream in project poi by apache.

the class TestWriteWellKnown method getDocumentSummaryInformation.

static DocumentSummaryInformation getDocumentSummaryInformation(NPOIFSFileSystem poifs) throws IOException, NoPropertySetStreamException, UnexpectedPropertySetTypeException, MarkUnsupportedException {
    if (!poifs.getRoot().hasEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME)) {
        return null;
    }
    DocumentInputStream dis = poifs.createDocumentInputStream(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
    PropertySet ps = new PropertySet(dis);
    DocumentSummaryInformation dsi = new DocumentSummaryInformation(ps);
    dis.close();
    return dsi;
}

Example 22 with DocumentInputStream

use of org.apache.poi.poifs.filesystem.DocumentInputStream in project poi by apache.

the class BinaryRC4Decryptor method getDataStream.

@Override
@SuppressWarnings("resource")
public ChunkedCipherInputStream getDataStream(DirectoryNode dir) throws IOException, GeneralSecurityException {
    DocumentInputStream dis = dir.createDocumentInputStream(DEFAULT_POIFS_ENTRY);
    length = dis.readLong();
    return new BinaryRC4CipherInputStream(dis, length);
}