org.sf.jlaunchpad.util
Class FileUtil

java.lang.Object
  org.sf.jlaunchpad.util.FileUtil

public final class FileUtil
extends java.lang.Object

This is the class for holding file utilities.

Version:

1.0 05/14/2004

Author:

Alexander Shvets

Constructor Summary

FileUtil()

Method Summary

static void	copy(java.io.InputStream is, java.io.OutputStream os)
static void	copyFile(java.io.InputStream in, java.lang.String fileName)
static void	copyFile(java.lang.String fileName, java.io.OutputStream out)
static java.io.File	copyToFile(java.io.InputStream is, java.io.File file) Copies the stream to the temporary file.
static java.io.File	copyToTempFile(java.io.InputStream is, java.lang.String prefix, java.lang.String suffix) Copies the stream to the temporary file.
static java.lang.String	getExtension(java.io.File file) Conveinience method that returns the "dot" extension for the given file.
static java.lang.String	getExtension(java.lang.String fileName) Conveinience method that returns the "dot" extension for the given file.
static java.io.File	getFileFromArchive(java.lang.String jarFileName, java.lang.String location, java.lang.String prefix, java.lang.String suffix) Gets the Ant project file located inside jar file.
static java.util.jar.Manifest	getManifest(java.util.jar.JarFile jarFile) Gets the manifest object from jar file.
static java.util.jar.Manifest	getManifest(java.lang.String jarFileName) Gets the manifest object from jar file.
static byte[]	getStreamAsBytes(java.io.InputStream is) Converst input stream into the byte array.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtil

public FileUtil()

Method Detail

copyToFile

public static java.io.File copyToFile(java.io.InputStream is,
                                      java.io.File file)
                               throws java.io.IOException

Copies the stream to the temporary file.

Parameters:

is - the input stream

file - the file

Returns:

the temporary file

Throws:

java.io.IOException - I/O Exception

copyFile

public static void copyFile(java.lang.String fileName,
                            java.io.OutputStream out)
                     throws java.io.IOException

Throws:

java.io.IOException

copyFile

public static void copyFile(java.io.InputStream in,
                            java.lang.String fileName)
                     throws java.io.IOException

Throws:

java.io.IOException

copy

public static void copy(java.io.InputStream is,
                        java.io.OutputStream os)
                 throws java.io.IOException

Throws:

java.io.IOException

copyToTempFile

public static java.io.File copyToTempFile(java.io.InputStream is,
                                          java.lang.String prefix,
                                          java.lang.String suffix)
                                   throws java.io.IOException

Copies the stream to the temporary file.

Parameters:

is - the input stream

prefix - the prefix part of the file name

suffix - the suffix part of the file name

Returns:

the temporary file

Throws:

java.io.IOException - I/O Exception

getManifest

public static java.util.jar.Manifest getManifest(java.lang.String jarFileName)
                                          throws java.io.IOException

Gets the manifest object from jar file.

Parameters:

jarFileName - the jar file name

Returns:

the manifest object

Throws:

java.io.IOException - I/O Exception

getManifest

public static java.util.jar.Manifest getManifest(java.util.jar.JarFile jarFile)
                                          throws java.io.IOException

Gets the manifest object from jar file.

Parameters:

jarFile - the jar file

Returns:

the manifest object

Throws:

java.io.IOException - I/O Exception

getStreamAsBytes

public static byte[] getStreamAsBytes(java.io.InputStream is)
                               throws java.io.IOException

Converst input stream into the byte array.

Parameters:

is - the input stream

Returns:

the byte array

Throws:

java.io.IOException - the I/O exception

getFileFromArchive

public static java.io.File getFileFromArchive(java.lang.String jarFileName,
                                              java.lang.String location,
                                              java.lang.String prefix,
                                              java.lang.String suffix)
                                       throws java.io.IOException

Gets the Ant project file located inside jar file.

Parameters:

jarFileName - the name of jar file

location - the location

prefix - the prefic

suffix - the suffix

Returns:

Ant project file

Throws:

java.io.IOException - I/O Exception

getExtension

public static java.lang.String getExtension(java.io.File file)

Conveinience method that returns the "dot" extension for the given file.

Parameters:

file - the file

Returns:

the extension

getExtension

public static java.lang.String getExtension(java.lang.String fileName)

Conveinience method that returns the "dot" extension for the given file.

Parameters:

fileName - the file name

Returns:

the extension