com.infoengine.util
Class JarUtils

java.lang.Object
  com.infoengine.util.JarUtils

public class JarUtils

extends Object

Field Summary

private Vector

jarListeners

Constructor Summary

JarUtils()
Create an instance of JarUtils

Method Summary

void	addJarListener(JarListener listener) Add an jarListener to be notified of jar events.
private void	fireJarEvent(String path)
private void	fireUnjarEvent(File f, boolean ow)
void	jar(File jar, File[] files)
void	jar(File jar, File[] files, File relativeTo)
void	jar(File jar, Map files)
private void	jar(JarOutputStream jos, File f, File relativeTo, Vector paths)
private void	list(File jf) doesn't actually unjar simply generates one unjarred event per entry in the jar
static void	main(String[] args)
private String	normalizePath(File f, File relativeTo) force paths to look unix like and force / on the end of directory paths
void	removeJarListener(JarListener listener) Unregister a jarListener so it's no longer notified of jar events.
File	tempUnjar(File jf) unjars a jar to a temporary location (deleteOnExit) and returns the directory
void	unjar(File jf) unjar a file to the current directory
void	unjar(File jf, File dest) Unjars a jar to a specified location.
void	unjar(File jf, File dest, boolean deleteOnExit) Unjars a jar to a specified location.
void	unjar(File jf, File dest, boolean deleteOnExit, boolean overwrite) Unjars a jar to a specified location.

Methods inherited from class java.lang.Object

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

Field Detail

jarListeners

private Vector jarListeners

Constructor Detail

JarUtils

public JarUtils()

Create an instance of JarUtils

Method Detail

addJarListener

public void addJarListener(JarListener listener)

Add an jarListener to be notified of jar events.

Parameters:

listener -

removeJarListener

public void removeJarListener(JarListener listener)

Unregister a jarListener so it's no longer notified of jar events.

Parameters:

listener -

unjar

public void unjar(File jf)
           throws IOException

unjar a file to the current directory

Parameters:

jf - the file to unjar

Throws:

IOException

tempUnjar

public File tempUnjar(File jf)
               throws IOException

unjars a jar to a temporary location (deleteOnExit) and returns the directory

Parameters:

jf - the file to unjar

Returns:

the directory the files were unjarred to

Throws:

IOException

unjar

public void unjar(File jf,
                  File dest)
           throws IOException

Unjars a jar to a specified location. Existing files will be overwritten. Unjarred files will persist after the VM has exited.

Parameters:

jf - the file to unjar

dest - the destination directory. if null the current directory.

Throws:

IOException

unjar

public void unjar(File jf,
                  File dest,
                  boolean deleteOnExit)
           throws IOException

Unjars a jar to a specified location. Existing files will be overwritten.

Parameters:

jf - the file to unjar

dest - the destination directory. if null the current directory.

deleteOnExit - should the files persist when the VM exists?

Throws:

IOException

unjar

public void unjar(File jf,
                  File dest,
                  boolean deleteOnExit,
                  boolean overwrite)
           throws IOException

Unjars a jar to a specified location.

Parameters:

jf - the file to unjar

dest - the destination directory. if null the current directory.

deleteOnExit - should the files persist when the VM exists?

overwrite - should existing files be overwritten?

Throws:

IOException

list

private void list(File jf)
           throws IOException

doesn't actually unjar simply generates one unjarred event per entry in the jar

Parameters:

jf - the jar file

Throws:

IOException

fireUnjarEvent

private void fireUnjarEvent(File f,
                            boolean ow)

jar

public void jar(File jar,
                File[] files,
                File relativeTo)
         throws IOException

Throws:

IOException

jar

public void jar(File jar,
                Map files)
         throws IOException

Parameters:

jar - - the jar file

files - - map of files, keys must be relative directories, values must be File []

Throws:

IOException

jar

public void jar(File jar,
                File[] files)
         throws IOException

Throws:

IOException

jar

private void jar(JarOutputStream jos,
                 File f,
                 File relativeTo,
                 Vector paths)
          throws IOException

Throws:

IOException

fireJarEvent

private void fireJarEvent(String path)

normalizePath

private String normalizePath(File f,
                             File relativeTo)

force paths to look unix like and force / on the end of directory paths

main

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

Throws:

Exception