org.apache.poi.poifs.filesystem

Class NPOIFSDocument

java.lang.Object

org.apache.poi.poifs.filesystem.NPOIFSDocument

All Implemented Interfaces:

POIFSViewable

public final class NPOIFSDocument
extends java.lang.Object
implements POIFSViewable

This class manages a document in the NIO POIFS filesystem. This is the NPOIFSFileSystem version.

Constructor Summary

Constructors

Constructor and Description
NPOIFSDocument(DocumentNode document) Constructor for an existing Document
NPOIFSDocument(DocumentProperty property, NPOIFSFileSystem filesystem) Constructor for an existing Document
NPOIFSDocument(java.lang.String name, int size, NPOIFSFileSystem filesystem, POIFSWriterListener writer)
NPOIFSDocument(java.lang.String name, NPOIFSFileSystem filesystem, java.io.InputStream stream) Constructor for a new Document

Method Summary

Modifier and Type	Method and Description
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()
java.lang.Object[]	getViewableArray() Get an array of objects, some of which may implement POIFSViewable
java.util.Iterator<java.lang.Object>	getViewableIterator() Get an Iterator of objects, some of which may implement POIFSViewable
boolean	preferArray() Give viewers a hint as to whether to call getViewableArray or getViewableIterator
void	replaceContents(java.io.InputStream stream)

Methods inherited from class java.lang.Object

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

Constructor Detail

NPOIFSDocument

public NPOIFSDocument(DocumentNode document)
               throws java.io.IOException

Constructor for an existing Document

Throws:

java.io.IOException

NPOIFSDocument

public NPOIFSDocument(DocumentProperty property,
                      NPOIFSFileSystem filesystem)
               throws java.io.IOException

Constructor for an existing Document

Throws:

java.io.IOException

NPOIFSDocument

public NPOIFSDocument(java.lang.String name,
                      NPOIFSFileSystem filesystem,
                      java.io.InputStream stream)
               throws java.io.IOException

Constructor for a new Document

Parameters:

name - the name of the POIFSDocument

stream - the InputStream we read data from

Throws:

java.io.IOException

NPOIFSDocument

public NPOIFSDocument(java.lang.String name,
                      int size,
                      NPOIFSFileSystem filesystem,
                      POIFSWriterListener writer)
               throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getSize

public int getSize()

Returns:

size of the document

replaceContents

public void replaceContents(java.io.InputStream stream)
                     throws java.io.IOException

Throws:

java.io.IOException

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<java.lang.Object> 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