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

Example 1 with OPOIFSDocument

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

the class POIFSReader method processProperties.

private void processProperties(final BlockList small_blocks, final BlockList big_blocks, final Iterator<Property> properties, final POIFSDocumentPath path) throws IOException {
    if (!properties.hasNext() && notifyEmptyDirectories) {
        Iterator<POIFSReaderListener> listeners = registry.getListeners(path, ".");
        while (listeners.hasNext()) {
            POIFSReaderListener pl = listeners.next();
            POIFSReaderEvent pe = new POIFSReaderEvent(null, path, null);
            pl.processPOIFSReaderEvent(pe);
        }
        return;
    }
    while (properties.hasNext()) {
        Property property = properties.next();
        String name = property.getName();
        if (property.isDirectory()) {
            POIFSDocumentPath new_path = new POIFSDocumentPath(path, new String[] { name });
            DirectoryProperty dp = (DirectoryProperty) property;
            processProperties(small_blocks, big_blocks, dp.getChildren(), new_path);
        } else {
            int startBlock = property.getStartBlock();
            Iterator<POIFSReaderListener> listeners = registry.getListeners(path, name);
            if (listeners.hasNext()) {
                int size = property.getSize();
                OPOIFSDocument document = null;
                if (property.shouldUseSmallBlocks()) {
                    document = new OPOIFSDocument(name, small_blocks.fetchBlocks(startBlock, -1), size);
                } else {
                    document = new OPOIFSDocument(name, big_blocks.fetchBlocks(startBlock, -1), size);
                }
                while (listeners.hasNext()) {
                    POIFSReaderListener listener = listeners.next();
                    listener.processPOIFSReaderEvent(new POIFSReaderEvent(new DocumentInputStream(document), path, name));
                }
            } else {
                // consume the document's data and discard it
                if (property.shouldUseSmallBlocks()) {
                    small_blocks.fetchBlocks(startBlock, -1);
                } else {
                    big_blocks.fetchBlocks(startBlock, -1);
                }
            }
        }
    }
}

Example 2 with OPOIFSDocument

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

the class TestSmallBlockTableWriter method testWritingConstructor.

public void testWritingConstructor() throws IOException {
    List<OPOIFSDocument> documents = new ArrayList<OPOIFSDocument>();
    documents.add(new OPOIFSDocument("doc340", new ByteArrayInputStream(new byte[340])));
    documents.add(new OPOIFSDocument("doc5000", new ByteArrayInputStream(new byte[5000])));
    documents.add(new OPOIFSDocument("doc0", new ByteArrayInputStream(new byte[0])));
    documents.add(new OPOIFSDocument("doc1", new ByteArrayInputStream(new byte[1])));
    documents.add(new OPOIFSDocument("doc2", new ByteArrayInputStream(new byte[2])));
    documents.add(new OPOIFSDocument("doc3", new ByteArrayInputStream(new byte[3])));
    documents.add(new OPOIFSDocument("doc4", new ByteArrayInputStream(new byte[4])));
    documents.add(new OPOIFSDocument("doc5", new ByteArrayInputStream(new byte[5])));
    documents.add(new OPOIFSDocument("doc6", new ByteArrayInputStream(new byte[6])));
    documents.add(new OPOIFSDocument("doc7", new ByteArrayInputStream(new byte[7])));
    documents.add(new OPOIFSDocument("doc8", new ByteArrayInputStream(new byte[8])));
    documents.add(new OPOIFSDocument("doc9", new ByteArrayInputStream(new byte[9])));
    HeaderBlock header = new HeaderBlock(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS);
    RootProperty root = new PropertyTable(header).getRoot();
    SmallBlockTableWriter sbtw = new SmallBlockTableWriter(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, documents, root);
    BlockAllocationTableWriter bat = sbtw.getSBAT();
    // 15 small blocks: 6 for doc340, 0 for doc5000 (too big), 0
    // for doc0 (no storage needed), 1 each for doc1 through doc9
    assertEquals(15 * 64, root.getSize());
    // 15 small blocks rounds up to 2 big blocks
    assertEquals(2, sbtw.countBlocks());
    int start_block = 1000 + root.getStartBlock();
    sbtw.setStartBlock(start_block);
    assertEquals(start_block, root.getStartBlock());
}