Package VASSAL.tools.io

Class ZipArchive

java.lang.Object

VASSAL.tools.io.ZipArchive

All Implemented Interfaces:

Closeable, AutoCloseable, FileArchive

public class ZipArchive
extends Object
implements FileArchive

Since:

3.2.0

Author:

Joel Uckelman

Constructor Summary

Constructors

Constructor	Description
ZipArchive(File file)	Opens a ZIP archive.
ZipArchive(File file, boolean truncate)	Opens a ZIP archive.
ZipArchive(String path)	Opens a ZIP archive.
ZipArchive(String path, boolean truncate)	Opens a ZIP archive.
ZipArchive(FileArchive src, File dst)	Copies a ZIP archive.
ZipArchive(FileArchive src, String dst)	Copies a ZIP archive.

Method Summary

Modifier and Type	Method	Description
void	add(String path, byte[] bytes)	Adds the contents of a byte array to the archive.
void	add(String path, File extPath)	Adds a file to the archive.
void	add(String path, InputStream in)	Adds the contents of an InputStream to the archive.
void	add(String path, String extPath)	Adds a file to the archive.
void	close()	Closes the archive, writing all changes to disk.
boolean	contains(String path)	Queries whether a file exists in the archive.
void	flush()	Forces all changes to the archive to disk.
File	getFile()	Gets the path to the archive file.
List<String>	getFiles()	Gets the list of files in the archive.
List<String>	getFiles(String root)	Gets the list of files under a given directory of the archive.
InputStream	getInputStream(String path)	Gets an InputStream to read from the given file.
long	getMTime(String path)	Gets the modification time of a file in the archive, in milliseconds since the epoch.
String	getName()	Gets the path to the archive file.
OutputStream	getOutputStream(String path)	Gets an OutputStream to write to the given file.
OutputStream	getOutputStream(String path, boolean compress)	Gets an OutputStream to write to the given file.
long	getSize(String path)	Gets the size of a file in the archive, in bytes.
boolean	isClosed()	Queries whether the archive is closed.
boolean	isModified()	Queries whether the archive has unsaved modifications.
static void	main(String[] args)
boolean	remove(String path)	Removes a file from the archive.
void	revert()	Reverts the archive to its last saved state.

Methods inherited from class java.lang.Object

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

Constructor Details

ZipArchive

public ZipArchive(String path)
           throws IOException

Opens a ZIP archive.

Parameters:

path - the name of the archive

Throws:

IOException

ZipArchive

public ZipArchive(File file)
           throws IOException

Opens a ZIP archive.

Parameters:

file - the name of the archive

Throws:

IOException

ZipArchive

public ZipArchive(String path,
boolean truncate)
           throws IOException

Opens a ZIP archive.

Parameters:

path - the name of the archive

truncate - if true, truncate the archive file on open

Throws:

IOException

ZipArchive

public ZipArchive(File file,
boolean truncate)
           throws IOException

Opens a ZIP archive.

Parameters:

file - the name of the archive

truncate - if true, truncate the archive file on open

Throws:

IOException

ZipArchive

public ZipArchive(FileArchive src,
String dst)
           throws IOException

Copies a ZIP archive.

Parameters:

src - the name of the source archive

dst - the name of the destination archive

Throws:

IOException

ZipArchive

public ZipArchive(FileArchive src,
File dst)
           throws IOException

Copies a ZIP archive.

Parameters:

src - the name of the source archive

dst - the name of the destination archive

Throws:

IOException

Method Details

getName

public String getName()

Gets the path to the archive file.

Specified by:

getName in interface FileArchive

Returns:

the path as a String

getFile

public File getFile()

Gets the path to the archive file.

Specified by:

getFile in interface FileArchive

Returns:

the path as a File

isClosed

public boolean isClosed()

Queries whether the archive is closed.

Specified by:

isClosed in interface FileArchive

Returns:

true if the archive is closed

isModified

public boolean isModified()

Queries whether the archive has unsaved modifications.

Specified by:

isModified in interface FileArchive

Returns:

true if the archive is modified

getInputStream

public InputStream getInputStream(String path)
                           throws IOException

Gets an InputStream to read from the given file. Note: It is impeative the that calling code ensures that this stream is eventually closed, since the returned stream holds a read lock on the archive.

Specified by:

getInputStream in interface FileArchive

Parameters:

path - the path to the file in the archive

Returns:

an InputStream containing the requested file

Throws:

IOException

getOutputStream

public OutputStream getOutputStream(String path)
                             throws IOException

Gets an OutputStream to write to the given file. Note: It is imperative the that calling code ensures that this stream is eventually closed, since the returned stream holds a write lock on the archive.

Specified by:

getOutputStream in interface FileArchive

Parameters:

path - the path to the file in the archive

Returns:

an OutputStream for the requested file

Throws:

IOException

getOutputStream

public OutputStream getOutputStream(String path,
boolean compress)
                             throws IOException

Gets an OutputStream to write to the given file. Note: It is imperative the that calling code ensures that this stream is eventually closed, since the returned stream holds a write lock on the archive.

Parameters:

path - the path to the file in the archive

compress - whether to compress the file

Returns:

an OutputStream for the requested file

Throws:

IOException

add

public void add(String path,
String extPath)
         throws IOException

Adds a file to the archive.

Specified by:

add in interface FileArchive

Parameters:

path - the internal path of the file to be added

extPath - the external path of the file to be added

Throws:

IOException

add

public void add(String path,
File extPath)
         throws IOException

Adds a file to the archive.

Specified by:

add in interface FileArchive

Parameters:

path - the internal path of the file to be added

extPath - the external path to the file to be added

Throws:

IOException

add

public void add(String path,
byte[] bytes)
         throws IOException

Adds the contents of a byte array to the archive.

Specified by:

add in interface FileArchive

Parameters:

path - the internal path of the file to be added

bytes - the bytes to be added

Throws:

IOException

add

public void add(String path,
InputStream in)
         throws IOException

Adds the contents of an InputStream to the archive.

Specified by:

add in interface FileArchive

Parameters:

path - the internal path of the file to be added

Throws:

IOException

remove

public boolean remove(String path)
               throws IOException

Removes a file from the archive.

Specified by:

remove in interface FileArchive

Parameters:

path - the path to the file in the archive

Returns:

true if the file existed in the archive

Throws:

IOException

revert

public void revert()
            throws IOException

Reverts the archive to its last saved state.

Specified by:

revert in interface FileArchive

Throws:

IOException

flush

public void flush()
           throws IOException

Forces all changes to the archive to disk.

Specified by:

flush in interface FileArchive

Throws:

IOException

close

public void close()
           throws IOException

Closes the archive, writing all changes to disk.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface FileArchive

Throws:

IOException

contains

public boolean contains(String path)
                 throws IOException

Queries whether a file exists in the archive.

Specified by:

contains in interface FileArchive

Parameters:

path - the path to the file in the archive

Returns:

true if the file exists in the archive

Throws:

IOException

getSize

public long getSize(String path)
             throws IOException

Gets the size of a file in the archive, in bytes.

Specified by:

getSize in interface FileArchive

Parameters:

path - the path to the file in the archive

Returns:

the size of the file, in bytes

Throws:

FileNotFoundException - if path is not in the archive

IOException

getMTime

public long getMTime(String path)
              throws IOException

Gets the modification time of a file in the archive, in milliseconds since the epoch.

Specified by:

getMTime in interface FileArchive

Parameters:

path - the path to the file in the archive

Returns:

the mtime of the file

Throws:

FileNotFoundException - if path is not in the archive

IOException

getFiles

public List<String> getFiles()
                      throws IOException

Gets the list of files in the archive.

Specified by:

getFiles in interface FileArchive

Returns:

the list of files in the archive

Throws:

IOException

getFiles

public List<String> getFiles(String root)
                      throws IOException

Gets the list of files under a given directory of the archive.

Specified by:

getFiles in interface FileArchive

Parameters:

root - the directory

Returns:

the list of files under the given directory

Throws:

FileNotFoundException - if root is not in the archive

IOException

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException