org.eclipse.birt.core.archive
Class FolderArchiveWriter

java.lang.Object
  org.eclipse.birt.core.archive.FolderArchiveWriter

All Implemented Interfaces:

IDocArchiveWriter

public class FolderArchiveWriter
extends java.lang.Object
implements IDocArchiveWriter

Constructor Summary

FolderArchiveWriter(java.lang.String folderName)

Method Summary

protected void	closeAllStream()
RAOutputStream	createOutputStream(java.lang.String relativePath)
RAOutputStream	createRandomAccessStream(java.lang.String relativePath) Create a random access stream in the archive and return it.
boolean	dropStream(java.lang.String relativePath) Delete a stream from the archive and make sure the stream has been closed.
boolean	exists(java.lang.String relativePath)
void	finish() This function must be called after the writer is used.
void	flush() This function flushs all the buffers in the writer
RAInputStream	getInputStream(java.lang.String relativePath)
java.lang.String	getName()
RAOutputStream	getOutputStream(java.lang.String relativePath)
void	initialize() This function must be called before the writer is used.
java.lang.Object	lock(java.lang.String stream) try to lock the stream
RAOutputStream	openRandomAccessStream(java.lang.String relativePath)
void	setStreamSorter(IStreamSorter streamSorter) Set the stream sorter (if needed).
void	toFileArchive(java.lang.String fileArchiveName) Convert the current folder archive to file archive.
void	unlock(java.lang.Object lock) unlock the stream locked by the object.

Methods inherited from class java.lang.Object

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

Constructor Detail

FolderArchiveWriter

public FolderArchiveWriter(java.lang.String folderName)
                    throws java.io.IOException

Parameters:

absolute - fileName the archive file name

Throws:

java.io.IOException

Method Detail

initialize

public void initialize()

Description copied from interface: IDocArchiveWriter

This function must be called before the writer is used. initialize the document archive.

Specified by:

initialize in interface IDocArchiveWriter

createRandomAccessStream

public RAOutputStream createRandomAccessStream(java.lang.String relativePath)
                                        throws java.io.IOException

Description copied from interface: IDocArchiveWriter

Create a random access stream in the archive and return it.

Specified by:

createRandomAccessStream in interface IDocArchiveWriter

Parameters:

relativePath - - relative path to report archive path. The path is based on Unix syntax, with the root of the archive denoted by "/". The initial "/" character can be skipped.

Returns:

RAOutputStream

Throws:

java.io.IOException

openRandomAccessStream

public RAOutputStream openRandomAccessStream(java.lang.String relativePath)
                                      throws java.io.IOException

Specified by:

openRandomAccessStream in interface IDocArchiveWriter

Throws:

java.io.IOException

createOutputStream

public RAOutputStream createOutputStream(java.lang.String relativePath)
                                  throws java.io.IOException

Specified by:

createOutputStream in interface IDocArchiveWriter

Throws:

java.io.IOException

getOutputStream

public RAOutputStream getOutputStream(java.lang.String relativePath)
                               throws java.io.IOException

Specified by:

getOutputStream in interface IDocArchiveWriter

Throws:

java.io.IOException

getInputStream

public RAInputStream getInputStream(java.lang.String relativePath)
                             throws java.io.IOException

Specified by:

getInputStream in interface IDocArchiveWriter

Throws:

java.io.IOException

dropStream

public boolean dropStream(java.lang.String relativePath)

Delete a stream from the archive and make sure the stream has been closed.

Specified by:

dropStream in interface IDocArchiveWriter

Parameters:

relativePath - - the relative path of the stream

Returns:

whether the delete operation was successful

Throws:

java.io.IOException

getName

public java.lang.String getName()

Specified by:

getName in interface IDocArchiveWriter

Returns:

the archive name

exists

public boolean exists(java.lang.String relativePath)

Specified by:

exists in interface IDocArchiveWriter

Parameters:

relativePath - - the relative stream path in the archive. The relative path is based on Unix syntax, with the root of the archive denoted by "/". The initial "/" character can be skipped.

Returns:

a list of strings representing the underlying stream names. The return values are in the relative path format too.

setStreamSorter

public void setStreamSorter(IStreamSorter streamSorter)

Description copied from interface: IDocArchiveWriter

Set the stream sorter (if needed). The stream sorter will be used to sort the streams. If no stream sorter is set, the streams will be written in random order.

Specified by:

setStreamSorter in interface IDocArchiveWriter

Parameters:

streamSorter - - the stream sorter

finish

public void finish()
            throws java.io.IOException

Description copied from interface: IDocArchiveWriter

This function must be called after the writer is used. finalizes the socument archive. This may involve compressing the archive to a single file. This also closes and finishes using the archive.

Specified by:

finish in interface IDocArchiveWriter

Throws:

java.io.IOException

toFileArchive

public void toFileArchive(java.lang.String fileArchiveName)
                   throws java.io.IOException

Convert the current folder archive to file archive. The original folder archive will NOT be removed.

Parameters:

fileArchiveName -

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Description copied from interface: IDocArchiveWriter

This function flushs all the buffers in the writer

Specified by:

flush in interface IDocArchiveWriter

Throws:

java.io.IOException

closeAllStream

protected void closeAllStream()

lock

public java.lang.Object lock(java.lang.String stream)
                      throws java.io.IOException

Description copied from interface: IDocArchiveWriter

try to lock the stream

Specified by:

lock in interface IDocArchiveWriter

Returns:

the locker.

Throws:

java.io.IOException

unlock

public void unlock(java.lang.Object lock)

Description copied from interface: IDocArchiveWriter

unlock the stream locked by the object.

Specified by:

unlock in interface IDocArchiveWriter

Parameters:

lock - object returned by the lock().