org.apache.openejb.util
Class JarExtractor

java.lang.Object
  org.apache.openejb.util.JarExtractor

public class JarExtractor
extends Object

Version:

$Rev: 1153797 $ $Date: 2011-08-04 09:09:44 +0000 (Thu, 04 Aug 2011) $

Field Summary

static Logger

logger

Constructor Summary

JarExtractor()

Method Summary

static boolean	copy(File src, File dest) Copy the specified file or directory to the destination.
static boolean	delete(File dir) Delete the specified directory, including all of its contents and subdirectories recursively.
static boolean	deleteDir(File dir) Delete the specified directory, including all of its contents and subdirectories recursively.
static void	extract(File file, File destinationDir) Extract the jar file into the specifiec destination directory.
static File	extract(File file, String pathname) Extract the Jar file into an unpacked directory structure, and return the absolute pathname to the extracted directory.
protected static File	extract(InputStream input, File docBase, String name) Extract the specified input stream into the specified directory, creating a file named from the specified relative path.

Methods inherited from class java.lang.Object

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

Field Detail

logger

public static final Logger logger

Constructor Detail

JarExtractor

public JarExtractor()

Method Detail

extract

public static File extract(File file,
                           String pathname)
                    throws IOException

Extract the Jar file into an unpacked directory structure, and return the absolute pathname to the extracted directory.

Parameters:

file - Jar file to unpack

pathname - Context path name for web application

Throws:

IllegalArgumentException - if this is not a "jar:" URL

IOException - if an input/output error was encountered during expansion

extract

public static void extract(File file,
                           File destinationDir)
                    throws IOException

Extract the jar file into the specifiec destination directory. If the destination directory already exists, the jar will not be unpacked.

Parameters:

file - jar file to unpack

destinationDir - the directory in which the jar will be unpacked; must not exist

Throws:

IOException - if an input/output error was encountered during expansion

copy

public static boolean copy(File src,
                           File dest)

Copy the specified file or directory to the destination.

Parameters:

src - File object representing the source

dest - File object representing the destination

delete

public static boolean delete(File dir)

Delete the specified directory, including all of its contents and subdirectories recursively.

Parameters:

dir - File object representing the directory to be deleted

deleteDir

public static boolean deleteDir(File dir)

Delete the specified directory, including all of its contents and subdirectories recursively.

Parameters:

dir - File object representing the directory to be deleted

extract

protected static File extract(InputStream input,
                              File docBase,
                              String name)
                       throws IOException

Extract the specified input stream into the specified directory, creating a file named from the specified relative path.

Parameters:

input - InputStream to be copied

docBase - Document base directory into which we are extracting

name - Relative pathname of the file to be created

Returns:

A handle to the extracted File

Throws:

IOException - if an input/output error occurs