Package org.eclipse.birt.core.archive
Class FolderArchiveWriter
- java.lang.Object
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- org.eclipse.birt.core.archive.FolderArchiveWriter
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- All Implemented Interfaces:
IDocArchiveWriter
public class FolderArchiveWriter extends java.lang.Object implements IDocArchiveWriter
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Constructor Summary
Constructors Constructor Description FolderArchiveWriter(java.lang.String folderName)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
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 writerIArchiveFile
getArchiveFile()
Get archive fileRAInputStream
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.util.List<java.lang.String>
listAllStreams()
get all the stream in the archive file.java.util.List<java.lang.String>
listStreams(java.lang.String relativeStoragePath)
return a list of strings which are the relative path of streamsjava.lang.Object
lock(java.lang.String stream)
try to lock the streamRAOutputStream
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.
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Method Detail
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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 interfaceIDocArchiveWriter
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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 interfaceIDocArchiveWriter
- 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
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openRandomAccessStream
public RAOutputStream openRandomAccessStream(java.lang.String relativePath) throws java.io.IOException
- Specified by:
openRandomAccessStream
in interfaceIDocArchiveWriter
- Throws:
java.io.IOException
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createOutputStream
public RAOutputStream createOutputStream(java.lang.String relativePath) throws java.io.IOException
- Specified by:
createOutputStream
in interfaceIDocArchiveWriter
- Throws:
java.io.IOException
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getOutputStream
public RAOutputStream getOutputStream(java.lang.String relativePath) throws java.io.IOException
- Specified by:
getOutputStream
in interfaceIDocArchiveWriter
- Throws:
java.io.IOException
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getInputStream
public RAInputStream getInputStream(java.lang.String relativePath) throws java.io.IOException
- Specified by:
getInputStream
in interfaceIDocArchiveWriter
- Throws:
java.io.IOException
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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 interfaceIDocArchiveWriter
- Parameters:
relativePath
- - the relative path of the stream- Returns:
- whether the delete operation was successful
- Throws:
java.io.IOException
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getName
public java.lang.String getName()
- Specified by:
getName
in interfaceIDocArchiveWriter
- Returns:
- the archive name
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exists
public boolean exists(java.lang.String relativePath)
- Specified by:
exists
in interfaceIDocArchiveWriter
- 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.
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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 interfaceIDocArchiveWriter
- Parameters:
streamSorter
- - the stream sorter
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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 interfaceIDocArchiveWriter
- Throws:
java.io.IOException
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close
public void close() throws java.io.IOException
- Throws:
java.io.IOException
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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
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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 interfaceIDocArchiveWriter
- Throws:
java.io.IOException
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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 interfaceIDocArchiveWriter
- Returns:
- the locker.
- Throws:
java.io.IOException
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unlock
public void unlock(java.lang.Object lock)
Description copied from interface:IDocArchiveWriter
unlock the stream locked by the object.- Specified by:
unlock
in interfaceIDocArchiveWriter
- Parameters:
lock
- object returned by the lock().
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listStreams
public java.util.List<java.lang.String> listStreams(java.lang.String relativeStoragePath) throws java.io.IOException
return a list of strings which are the relative path of streams- Specified by:
listStreams
in interfaceIDocArchiveWriter
- Parameters:
relativeStoragePath
- - 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.
- Throws:
java.io.IOException
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listAllStreams
public java.util.List<java.lang.String> listAllStreams() throws java.io.IOException
Description copied from interface:IDocArchiveWriter
get all the stream in the archive file.- Specified by:
listAllStreams
in interfaceIDocArchiveWriter
- Returns:
- Throws:
java.io.IOException
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getArchiveFile
public IArchiveFile getArchiveFile()
Description copied from interface:IDocArchiveWriter
Get archive file- Specified by:
getArchiveFile
in interfaceIDocArchiveWriter
- Returns:
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