org.ow2.chameleon.core.utils

Class JarScanner

java.lang.Object

org.ow2.chameleon.core.utils.JarScanner

public class JarScanner
extends Object

Extracts the set of packages from a Jar file.

Constructor Summary

Constructors

Constructor and Description
JarScanner()

Method Summary

Modifier and Type	Method and Description
static Set<Pckg>	scan(File jarFile) Builds the set of Pckg to export from the given file (must be a jar file).
static Set<Pckg>	scan(JarFile jar, String version) Builds the set of Pckg to export from the given jar file.
static String	version(String name) Guesses the version of the jar file based on naming rules.

Methods inherited from class java.lang.Object

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

Constructor Detail

JarScanner

public JarScanner()

Method Detail

version

public static String version(String name)

Guesses the version of the jar file based on naming rules.

Parameters:

name - the file name

Returns:

the guessed version, null if it can't be guessed.

scan

public static Set<Pckg> scan(JarFile jar,
                             String version)

Builds the set of Pckg to export from the given jar file. Notice that "META-INF" directory and sub-directories are not exported.

Parameters:

jar - the jar file

version - the version of the jar file. This version is used as 'exported version' for each packages.

Returns:

the set of packages.

scan

public static Set<Pckg> scan(File jarFile)
                      throws IOException

Builds the set of Pckg to export from the given file (must be a jar file). If the given file's name does not end with .jar, null is returned.

This methods also try to guess the version of the jar file. If it can't be guesses, 0.0.0 is used.

Parameters:

jarFile - the file to scan

Returns:

the set of packages to be exported

Throws:

IOException - if the file cannot be read