org.apache.poi.poifs.filesystem
Class DocumentNode

java.lang.Object
  extended by org.apache.poi.poifs.filesystem.EntryNode
      extended by org.apache.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)

Method Summary
 java.lang.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
 java.lang.Object[] getViewableArray()
          Get an array of objects, some of which may implement POIFSViewable
 java.util.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 org.apache.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 org.apache.poi.poifs.filesystem.Entry
delete, getName, getParent, isDirectoryEntry, renameTo
 

Method Detail

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 java.lang.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 java.util.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 java.lang.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


Copyright 2008 The Apache Software Foundation or its licensors, as applicable.