sun.module
Class JamUtils

java.lang.Object
  sun.module.JamUtils

public final class JamUtils
extends Object

Since:

1.7

Version:

1.12, 06/19/07

Author:

Stanley M. Ho, Andreas Sterbenz

Field Summary

static FilenameFilter	CLASS_FILTER
static boolean	DEBUG
static FileFilter	DIRECTORY_FILTER
static FilenameFilter	JAM_FILTER
static FilenameFilter	JAM_JAR_FILTER
static FilenameFilter	JAR_FILTER

Method Summary

static void	expandJam(File sourceJam, File destDir)
static File	getFile(URL url)
static Superpackage	getSuperpackage(byte[] data)
static byte[]	readFile(File file)
static byte[]	readStream(InputStream in)
static void	recursiveDelete(File dir) Recursively delete the given dir and all its contents.
static void	storeContentAsFile(InputStream is, File outputFile) Read the content from the input stream and store the content in the output file.
static void	unjam(File sourceJam, File destDir) Extracts all files from the sourceJam into destDir.

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

public static final boolean DEBUG

DIRECTORY_FILTER

public static final FileFilter DIRECTORY_FILTER

JAM_JAR_FILTER

public static final FilenameFilter JAM_JAR_FILTER

JAM_FILTER

public static final FilenameFilter JAM_FILTER

JAR_FILTER

public static final FilenameFilter JAR_FILTER

CLASS_FILTER

public static final FilenameFilter CLASS_FILTER

Method Detail

getFile

public static File getFile(URL url)
                    throws IOException

Throws:

IOException

readFile

public static byte[] readFile(File file)
                       throws IOException

Throws:

IOException

readStream

public static byte[] readStream(InputStream in)
                         throws IOException

Throws:

IOException

expandJam

public static void expandJam(File sourceJam,
                             File destDir)
                      throws IOException

Throws:

IOException

unjam

public static void unjam(File sourceJam,
                         File destDir)
                  throws IOException

Extracts all files from the sourceJam into destDir. Really, it's just "cd $destDir; jar xf $sourceJam".

Parameters:

sourceJam - .jam file to extract.

destDir - directory into which files are extracted.

Throws:

IOException - if any problem occurs.

storeContentAsFile

public static void storeContentAsFile(InputStream is,
                                      File outputFile)
                               throws IOException

Read the content from the input stream and store the content in the output file.

Parameters:

is - Input stream of the content.

Throws:

IOException

recursiveDelete

public static void recursiveDelete(File dir)
                            throws IOException

Recursively delete the given dir and all its contents.

Throws:

IOException

getSuperpackage

public static Superpackage getSuperpackage(byte[] data)
                                    throws ClassFormatError

Throws:

ClassFormatError