loci.poi.poifs.filesystem

Class DocumentNode

java.lang.Object

loci.poi.poifs.filesystem.EntryNode

loci.poi.poifs.filesystem.DocumentNode

All Implemented Interfaces:

POIFSViewable, DocumentEntry, Entry

public class DocumentNode
extends EntryNode
implements DocumentEntry, POIFSViewable

Simple implementation of DocumentEntry

Author:

Marc Johnson (mjohnson at apache dot org)

Field Summary

Fields

Modifier and Type	Field and Description
private POIFSDocument	_document

Constructor Summary

Constructors

Constructor and Description
DocumentNode(DocumentProperty property, DirectoryNode parent) create a DocumentNode.

Method Summary

Methods

Modifier and Type	Method and Description
POIFSDocument	getDocument() get the POIFSDocument
String	getShortDescription() Provides a short description of the object, to be used when a POIFSViewable object has not provided its contents.
int	getSize() get the zize of the document, in bytes
Object[]	getViewableArray() Get an array of objects, some of which may implement POIFSViewable
Iterator	getViewableIterator() Get an Iterator of objects, some of which may implement POIFSViewable
protected boolean	isDeleteOK() extensions use this method to verify internal rules regarding deletion of the underlying store.
boolean	isDocumentEntry() is this a DocumentEntry?
boolean	preferArray() Give viewers a hint as to whether to call getViewableArray or getViewableIterator

Methods inherited from class loci.poi.poifs.filesystem.EntryNode

delete, getName, getParent, getProperty, isDirectoryEntry, isRoot, renameTo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface loci.poi.poifs.filesystem.Entry

delete, getName, getParent, isDirectoryEntry, renameTo

Field Detail

_document

private POIFSDocument _document

Constructor Detail

DocumentNode

DocumentNode(DocumentProperty property,
            DirectoryNode parent)

create a DocumentNode. This method is not public by design; it is intended strictly for the internal use of this package

Parameters:

property - the DocumentProperty for this DocumentEntry

parent - the parent of this entry

Method Detail

getDocument

public POIFSDocument getDocument()

get the POIFSDocument

Returns:

the internal POIFSDocument

getSize

public int getSize()

get the zize of the document, in bytes

Specified by:

getSize in interface DocumentEntry

Returns:

size in bytes

isDocumentEntry

public boolean isDocumentEntry()

is this a DocumentEntry?

Specified by:

isDocumentEntry in interface Entry

Overrides:

isDocumentEntry in class EntryNode

Returns:

true if the Entry is a DocumentEntry, else false

isDeleteOK

protected boolean isDeleteOK()

extensions use this method to verify internal rules regarding deletion of the underlying store.

Specified by:

isDeleteOK in class EntryNode

Returns:

true if it's ok to delete the underlying store, else false

getViewableArray

public Object[] getViewableArray()

Get an array of objects, some of which may implement POIFSViewable

Specified by:

getViewableArray in interface POIFSViewable

Returns:

an array of Object; may not be null, but may be empty

getViewableIterator

public Iterator getViewableIterator()

Get an Iterator of objects, some of which may implement POIFSViewable

Specified by:

getViewableIterator in interface POIFSViewable

Returns:

an Iterator; may not be null, but may have an empty back end store

preferArray

public boolean preferArray()

Give viewers a hint as to whether to call getViewableArray or getViewableIterator

Specified by:

preferArray in interface POIFSViewable

Returns:

true if a viewer should call getViewableArray, false if a viewer should call getViewableIterator

getShortDescription

public String getShortDescription()

Provides a short description of the object, to be used when a POIFSViewable object has not provided its contents.

Specified by:

getShortDescription in interface POIFSViewable

Returns:

short description