/**
* remove an entry
*
* @param entry to be Removed
*/
public void Remove(EntryNode entry)
{
// If it's a document, free the blocks
if (entry is DocumentEntry)
{
NPOIFSDocument doc = new NPOIFSDocument((DocumentProperty)entry.Property, this);
doc.Free();
}
_property_table.RemoveProperty(entry.Property);
}
/**
* Create an InputStream from the specified Document
*
* @param document the Document to be read
*/
public NDocumentInputStream(NPOIFSDocument document)
{
_current_offset = 0;
_current_block_count = 0;
_marked_offset = 0;
_marked_offset_count = 0;
_document_size = document.Size;
_closed = false;
_document = document;
_data = _document.GetBlockIterator();
}
/**
* Create an OutputStream from the specified DocumentEntry.
* The specified entry will be emptied.
*
* @param document the DocumentEntry to be written
*/
public NDocumentOutputStream(DocumentEntry document)
{
if (!(document is DocumentNode))
{
throw new IOException("Cannot open internal document storage, " + document + " not a Document Node");
}
_document_size = 0;
_closed = false;
_property = (DocumentProperty)((DocumentNode)document).Property;
_document = new NPOIFSDocument((DocumentNode)document);
_document.Free();
}
/**
* Create an OutputStream to create the specified new Entry
*
* @param parent Where to create the Entry
* @param name Name of the new entry
*/
public NDocumentOutputStream(DirectoryEntry parent, String name)
{
if (!(parent is DirectoryNode))
{
throw new IOException("Cannot open internal directory storage, " + parent + " not a Directory Node");
}
_document_size = 0;
_closed = false;
// Have an empty one Created for now
DocumentEntry doc = parent.CreateDocument(name, new MemoryStream(new byte[0]));
_property = (DocumentProperty)((DocumentNode)doc).Property;
_document = new NPOIFSDocument((DocumentNode)doc);
}
public DocumentEntry CreateDocument(NPOIFSDocument document)
{
try
{
DocumentProperty property = document.DocumentProperty;
DocumentNode rval = new DocumentNode(property, this);
((DirectoryProperty)Property).AddChild(property);
_nFilesSystem.AddDocument(document);
_entries.Add(rval);
_byname[property.Name] = rval;
return(rval);
}
catch (IOException ex)
{
throw ex;
}
}
/**
* Create an InputStream from the specified DocumentEntry
*
* @param document the DocumentEntry to be read
*
* @exception IOException if the DocumentEntry cannot be opened (like, maybe it has
* been deleted?)
*/
public NDocumentInputStream(DocumentEntry document)
{
if (!(document is DocumentNode))
{
throw new IOException("Cannot open internal document storage, " + document + " not a Document Node");
}
_current_offset = 0;
_current_block_count = 0;
_marked_offset = 0;
_marked_offset_count = 0;
_document_size = document.Size;
_closed = false;
DocumentNode doc = (DocumentNode)document;
DocumentProperty property = (DocumentProperty)doc.Property;
_document = new NPOIFSDocument(
property,
((DirectoryNode)doc.Parent).NFileSystem
);
_data = _document.GetBlockIterator();
}
/**
* Create an InputStream from the specified Document
*
* @param document the Document to be read
*/
public DocumentInputStream(NPOIFSDocument document)
{
delegate1 = new NDocumentInputStream(document);
}
/**
* add a new POIFSDocument to the FileSytem
*
* @param document the POIFSDocument being Added
*/
public void AddDocument(NPOIFSDocument document)
{
_property_table.AddProperty(document.DocumentProperty);
}