loci.formats.services

Class POIServiceImpl

java.lang.Object

loci.common.services.AbstractService

loci.formats.services.POIServiceImpl

All Implemented Interfaces:

Service, POIService

public class POIServiceImpl
extends AbstractService
implements POIService

Field Summary

Fields

Modifier and Type	Field and Description
private Vector<String>	filePath
private Hashtable<String,DocumentEntry>	files
private Hashtable<String,Integer>	fileSizes
private POIFSFileSystem	fileSystem
private static int	MAX_BLOCK_SIZE
private DirectoryEntry	root
private RandomAccessInputStream	stream

Constructor Summary

Constructors

Constructor and Description
POIServiceImpl() Default constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Close the current POI file system.
byte[]	getDocumentBytes(String file) Retrieve all of the raw bytes that correspond to the given file name.
byte[]	getDocumentBytes(String file, int length) Retrieve at most 'length' bytes that correspond to the given file name.
Vector<String>	getDocumentList() Retrieve a list of all files in the current POI file system.
RandomAccessInputStream	getDocumentStream(String file) Retrieve a RandomAccessInputStream corresponding to the given file name.
int	getFileSize(String file) Retrieve the total number of bytes in the given file.
InputStream	getInputStream(String file) Retrieve an InputStream corresponding to the given file name.
void	initialize(RandomAccessInputStream s) Construct a new POI filesystem around the given stream.
void	initialize(String file) Construct a new POI filesystem around the given file.
private void	parseFile(DirectoryEntry r)

Methods inherited from class loci.common.services.AbstractService

checkClassDependency

Methods inherited from class java.lang.Object

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

Field Detail

MAX_BLOCK_SIZE

private static final int MAX_BLOCK_SIZE

See Also:

Constant Field Values

fileSystem

private POIFSFileSystem fileSystem

root

private DirectoryEntry root

stream

private RandomAccessInputStream stream

filePath

private Vector<String> filePath

fileSizes

private Hashtable<String,Integer> fileSizes

files

private Hashtable<String,DocumentEntry> files

Constructor Detail

POIServiceImpl

public POIServiceImpl()

Default constructor.

Method Detail

initialize

public void initialize(String file)
                throws IOException

Description copied from interface: POIService

Construct a new POI filesystem around the given file.

Specified by:

initialize in interface POIService

Throws:

IOException - if an error occurred when opening the file.

initialize

public void initialize(RandomAccessInputStream s)
                throws IOException

Description copied from interface: POIService

Construct a new POI filesystem around the given stream.

Specified by:

initialize in interface POIService

Throws:

IOException - if an error occurred when reading from the stream.

getInputStream

public InputStream getInputStream(String file)
                           throws IOException

Description copied from interface: POIService

Retrieve an InputStream corresponding to the given file name. Either of the 'initialize' methods must be called before this method.

Specified by:

getInputStream in interface POIService

Parameters:

file - The name of the embedded file for which to retrieve an InputStream.

Throws:

IOException - if an error occurred when reading the file

getDocumentStream

public RandomAccessInputStream getDocumentStream(String file)
                                          throws IOException

Description copied from interface: POIService

Retrieve a RandomAccessInputStream corresponding to the given file name. Either of the 'initialize' methods must be called before this method.

Specified by:

getDocumentStream in interface POIService

Parameters:

file - The name of the embedded file for which to retrieve a RandomAccessInputStream.

Throws:

IOException - if an error occurred when reading the file

getDocumentBytes

public byte[] getDocumentBytes(String file)
                        throws IOException

Description copied from interface: POIService

Retrieve all of the raw bytes that correspond to the given file name. Either of the 'initialize' methods must be called before this method.

Specified by:

getDocumentBytes in interface POIService

Parameters:

file - The name of the embedded file for which to retrieve bytes.

Throws:

IOException - if an error occurred when reading the file

getDocumentBytes

public byte[] getDocumentBytes(String file,
                      int length)
                        throws IOException

Description copied from interface: POIService

Retrieve at most 'length' bytes that correspond to the given file name. Either of the 'initialize' methods must be called before this method.

Specified by:

getDocumentBytes in interface POIService

Parameters:

file - The name of the embedded file for which to retrieve bytes.

Throws:

IOException - if an error occurred when reading the file

getFileSize

public int getFileSize(String file)

Description copied from interface: POIService

Retrieve the total number of bytes in the given file. Either of the 'initialize' methods must be called before this method.

Specified by:

getFileSize in interface POIService

Parameters:

file - The name of the embedded file.

getDocumentList

public Vector<String> getDocumentList()

Description copied from interface: POIService

Retrieve a list of all files in the current POI file system.

Specified by:

getDocumentList in interface POIService

close

public void close()
           throws IOException

Description copied from interface: POIService

Close the current POI file system.

Specified by:

close in interface POIService

Throws:

IOException

parseFile

private void parseFile(DirectoryEntry r)
                throws IOException

Throws:

IOException