Package info.freelibrary.util

Class JarUtils

java.lang.Object

info.freelibrary.util.JarUtils

public final class JarUtils
extends Object

A small collection of Jar file utilities.

Method Summary

Modifier and Type	Method	Description
static void	extract(File aJarFile, String aFilePath, File aDestDir)	Extract a particular path from a supplied Jar file to a supplied File location.
static void	extract(String aJarFilePath, String aFilePath, File aDestDir)	Extract a particular path from a supplied Jar file to a supplied File location.
static void	extract(JarFile aJarFile, String aFilePath, File aDestDir)	Extract a particular path from a supplied Jar file to a supplied File location.
static URL[]	getJarURLs()	Gets a list of jar files in the classpath (this includes jars in jars, one level deep).

Methods inherited from class java.lang.Object

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

Method Detail

getJarURLs

public static URL[] getJarURLs()
                        throws IOException

Gets a list of jar files in the classpath (this includes jars in jars, one level deep).

Returns:

An array of URLs found in the classpath

Throws:

IOException - If there is trouble reading the classpath

extract

public static void extract(String aJarFilePath,
                           String aFilePath,
                           File aDestDir)
                    throws IOException

Extract a particular path from a supplied Jar file to a supplied File location.

Parameters:

aJarFilePath - A path to a Jar file from which to extract

aFilePath - The Jar file path of the file to extract

aDestDir - The destination directory into which the file should be extracted

Throws:

IOException - If there is an exception thrown while reading or writing the file

extract

public static void extract(File aJarFile,
                           String aFilePath,
                           File aDestDir)
                    throws IOException

Extract a particular path from a supplied Jar file to a supplied File location.

Parameters:

aJarFile - A Jar file from which to extract

aFilePath - The Jar file path of the file to extract

aDestDir - The destination directory into which the file should be extracted

Throws:

IOException - If there is an exception thrown while reading or writing the file

extract

public static void extract(JarFile aJarFile,
                           String aFilePath,
                           File aDestDir)
                    throws IOException

Extract a particular path from a supplied Jar file to a supplied File location.

Parameters:

aJarFile - A Jar file from which to extract

aFilePath - The Jar file path of the file to extract

aDestDir - The destination directory into which the file should be extracted

Throws:

IOException - If there is an exception thrown while reading or writing the file