eve.io.filestore

Class EveFile

java.lang.Object

eve.io.filestore.EveFile

All Implemented Interfaces:

FileStore

public class EveFile
extends Object
implements FileStore

Author:

Michael L Brereton

Nested Class Summary

Nested classes/interfaces inherited from interface eve.io.filestore.FileStore

FileStore.Util

Field Summary

Fields

Modifier and Type	Field and Description
protected RandomStream	rs

Constructor Summary

Constructors

Constructor and Description
EveFile(RandomStream rs, String name) Create an EveFile opened via the specified RandomStream for read-only access.

Method Summary

Modifier and Type	Method and Description
void	close()
FileStoreEntry	findEntry(String fullName)
int	getEntryCount() If the count is known then return the number of entries, otherwise return -1.
FileStoreEntryFile	getFileSystem(Handle h)
static InputStream	getInputStream(RandomStream s, String name)
FileStoreEntry	getNewEntry(String forName)
Enumeration	getStoreEntries() Get an enumeration to go through the entries in the file.
Hashtable	getStoreHashtable() Expose the hashtable of entries if available.
String	getStoreName()
InputStream	openInputStream(FileStoreEntry entry)
protected void	readEntries()

Methods inherited from class java.lang.Object

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

Field Detail

rs

protected RandomStream rs

Constructor Detail

EveFile

public EveFile(RandomStream rs,
               String name)

Create an EveFile opened via the specified RandomStream for read-only access.

Parameters:

rs - the RandomStream of the open EveFile.

Method Detail

getEntryCount

public int getEntryCount()

Description copied from interface: FileStore

If the count is known then return the number of entries, otherwise return -1.

Specified by:

getEntryCount in interface FileStore

Returns:

the number of entries or -1 if not known.

readEntries

protected void readEntries()
                    throws IOException,
                           CorruptedDataException

Throws:

IOException

CorruptedDataException

getStoreEntries

public Enumeration getStoreEntries()
                            throws IOException

Description copied from interface: FileStore

Get an enumeration to go through the entries in the file. Each entry provided is a FileStoreEntry.

Specified by:

getStoreEntries in interface FileStore

Throws:

IOException

getStoreHashtable

public Hashtable getStoreHashtable()
                            throws IOException

Description copied from interface: FileStore

Expose the hashtable of entries if available. The hashtable should consist of a set of FileStoreEntry objects each one stored with a key that is equal to the name of the entry.

Specified by:

getStoreHashtable in interface FileStore

Returns:

the hashtable of entries if available, or null if not available.

Throws:

IOException

getNewEntry

public FileStoreEntry getNewEntry(String forName)

Specified by:

getNewEntry in interface FileStore

getStoreName

public String getStoreName()

Specified by:

getStoreName in interface FileStore

openInputStream

public InputStream openInputStream(FileStoreEntry entry)
                            throws IOException

Specified by:

openInputStream in interface FileStore

Throws:

IOException

findEntry

public FileStoreEntry findEntry(String fullName)

Specified by:

findEntry in interface FileStore

getFileSystem

public FileStoreEntryFile getFileSystem(Handle h)

Specified by:

getFileSystem in interface FileStore

getInputStream

public static InputStream getInputStream(RandomStream s,
                                         String name)
                                  throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface FileStore

Throws:

IOException