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## org.apache.poi.poifs.filesystem
Interface DirectoryEntry

All Superinterfaces:
  Entry

All Known Implementing Classes:
  DirectoryNode

public interface DirectoryEntry
extends Entry

This interface defines methods specific to Directory objects managed by a Filesystem instance.

Author:
  Marc Johnson (mjohnson at apache dot org)

Method Summary
`DirectoryEntry` | `createDirectory(java.lang.String name)` create a new DirectoryEntry
`DocumentEntry` | `createDocument(java.lang.String name, java.io.InputStream stream)` create a new DocumentEntry
`DocumentEntry` | `createDocument(java.lang.String name, int size, POIFSWriterListener writer)` create a new DocumentEntry; the data will be provided later
`java.util.Iterator` | `getEntries()` get an iterator of the Entry instances contained directly in this instance (in other words, children only; no grandchildren etc.)
`Entry` | `getEntry(java.lang.String name)` get a specified Entry by name
`int` | `getEntryCount()` find out how many Entry instances are contained directly within this DirectoryEntry
`ClassID` | `getStorageClsid()` Gets the storage clsid of the directory entry
`boolean` | `isEmpty()` is this DirectoryEntry empty?
`void` | `setStorageClsid(ClassID clsidStorage)` Sets the storage clsid for the directory entry

Methods inherited from interface org.apache.poi.poifs.filesystem.Entry
`delete, getName, getParent, isDirectoryEntry, isDocumentEntry, renameTo`

Method Detail

### getEntries

    public java.util.Iterator getEntries()

  get an iterator of the Entry instances contained directly in this instance (in other words, children only; no grandchildren etc.)

  Returns:
    iterator; never null, but hasNext() may return false immediately (i.e., this DirectoryEntry is empty). All objects retrieved by next() are guaranteed to be implementations of Entry.

### isEmpty

    public boolean isEmpty()

  is this DirectoryEntry empty?

  Returns:
    true if this instance contains no Entry instances

### getEntryCount

    public int getEntryCount()

  find out how many Entry instances are contained directly within this DirectoryEntry

  Returns:
    number of immediately (no grandchildren etc.) contained Entry instances

### getEntry

    public Entry getEntry(java.lang.String name)
                   throws java.io.FileNotFoundException

  get a specified Entry by name

  Parameters:
    `name` - the name of the Entry to obtain.
  Returns:
    the specified Entry, if it is directly contained in this DirectoryEntry
  Throws:
    `java.io.FileNotFoundException` - if no Entry with the specified name exists in this DirectoryEntry

### createDocument

    public DocumentEntry createDocument(java.lang.String name,
                                        java.io.InputStream stream)
                                 throws java.io.IOException

  create a new DocumentEntry

  Parameters:
    `name` - the name of the new DocumentEntry
    `stream` - the InputStream from which to create the new DocumentEntry
  Returns:
    the new DocumentEntry
  Throws:
    `java.io.IOException`

### createDocument

    public DocumentEntry createDocument(java.lang.String name,
                                        int size,
                                        POIFSWriterListener writer)
                                 throws java.io.IOException

  create a new DocumentEntry; the data will be provided later

  Parameters:
    `name` - the name of the new DocumentEntry
    `size` - the size of the new DocumentEntry
    `writer` - the writer of the new DocumentEntry
  Returns:
    the new DocumentEntry
  Throws:
    `java.io.IOException`

### createDirectory

    public DirectoryEntry createDirectory(java.lang.String name)
                                   throws java.io.IOException

  create a new DirectoryEntry

  Parameters:
    `name` - the name of the new DirectoryEntry
  Returns:
    the new DirectoryEntry
  Throws:
    `java.io.IOException`

### getStorageClsid

    public ClassID getStorageClsid()

  Gets the storage clsid of the directory entry

  Returns:
    storage Class ID

### setStorageClsid

    public void setStorageClsid(ClassID clsidStorage)

  Sets the storage clsid for the directory entry

  Parameters:
    `clsidStorage` - storage Class ID

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Copyright © 2003 Apache Software Foundation.