com.groiss.util
Class FileUtil

java.lang.Object
  com.groiss.util.FileUtil

public class FileUtil
extends java.lang.Object

Some convenient file methods.

Constructor Summary

FileUtil()

Method Summary

static void	copyTo(java.io.File src, java.io.File dest) Copy a file.
static java.io.File	copyToDir(java.io.File src, java.io.File dir) Copy file to directory
static void	deleteDir(java.io.File dir) Deletes the passed direcory and all its subdirectories (and so on).
static void	deleteDir(java.lang.String dirPath) Deletes the direcory with the given path.
static byte[]	getBytesFromStream(java.io.InputStream is)
static java.lang.String	getContent(java.io.File file) Get the content of a file as string.
static java.io.File	getFileFromPath(java.lang.String path) Get a file object from a pathname.
static java.lang.String	getMimeType(java.lang.String ext) Return the mime-type from the extension.
static java.lang.String	getNoComment(java.io.InputStream in)
static java.lang.String	getNoComment(java.io.Reader in) Get the contents of an input stream without the comments.
static java.lang.String	getNoCommentContent(java.lang.String filename)
static java.util.List	listFiles(java.lang.String namePattern, java.io.File dir) List file with name specified with wildcard in directory and all its subdirectories.
static java.lang.String	loadResource(java.lang.String resource) Load a resource as string from the classpath.
static byte[]	loadResourceBytes(java.lang.String resource)
static byte[]	loadResourceBytes(java.net.URL url) Load a resource as byte array from the classpath.

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

getMimeType

public static java.lang.String getMimeType(java.lang.String ext)

Return the mime-type from the extension. The available mime-types are defined in the file mime.types in the conf directory.

Parameters:

ext - the extension, for example "doc" or "html"

Returns:

the mime-type, for example "text/html"

loadResource

public static java.lang.String loadResource(java.lang.String resource)
                                     throws ApplicationException

Load a resource as string from the classpath. The class loader defined in Settings is used.

Parameters:

resource - a path to a resource

Returns:

the content of the resource

Throws:

ApplicationException

loadResourceBytes

public static byte[] loadResourceBytes(java.net.URL url)
                                throws ApplicationException

Load a resource as byte array from the classpath. The class loader defined in Settings is used.

Parameters:

url - the url of a resource

Returns:

the content of the resource

Throws:

ApplicationException

loadResourceBytes

public static byte[] loadResourceBytes(java.lang.String resource)
                                throws ApplicationException

Throws:

ApplicationException

getBytesFromStream

public static byte[] getBytesFromStream(java.io.InputStream is)
                                 throws ApplicationException

Throws:

ApplicationException

copyTo

public static void copyTo(java.io.File src,
                          java.io.File dest)
                   throws java.io.FileNotFoundException,
                          java.io.IOException

Copy a file.

Parameters:

src - the source file

dest - the destination file

Throws:

java.io.FileNotFoundException

java.io.IOException

copyToDir

public static java.io.File copyToDir(java.io.File src,
                                     java.io.File dir)
                              throws java.io.FileNotFoundException,
                                     java.io.IOException

Copy file to directory

Parameters:

src -

dir -

Throws:

java.io.FileNotFoundException

java.io.IOException

getContent

public static java.lang.String getContent(java.io.File file)
                                   throws java.io.IOException

Get the content of a file as string.

Parameters:

file - the file

Returns:

the content

Throws:

java.io.IOException

getNoComment

public static java.lang.String getNoComment(java.io.InputStream in)
                                     throws java.lang.Exception

Throws:

java.lang.Exception

getNoComment

public static java.lang.String getNoComment(java.io.Reader in)
                                     throws java.lang.Exception

Get the contents of an input stream without the comments. The method filters out the comments starting with "/*" and ending with "*/"

Parameters:

in - the input stream

Returns:

the content

Throws:

java.lang.Exception

getNoCommentContent

public static java.lang.String getNoCommentContent(java.lang.String filename)
                                            throws java.lang.Exception

Throws:

java.lang.Exception

deleteDir

public static void deleteDir(java.lang.String dirPath)

Deletes the direcory with the given path. All subdirectories (and so on) will be also deleted.

Parameters:

dirPath - the directory path

deleteDir

public static void deleteDir(java.io.File dir)

Deletes the passed direcory and all its subdirectories (and so on). If the passed parameter is a file and not a directory it will not be deleted

Parameters:

dir - the directory

getFileFromPath

public static java.io.File getFileFromPath(java.lang.String path)

Get a file object from a pathname. If the path is absolute, the method returns the corresponding file. If the path is relative, the moethod returns the path using the base directory from settings as base for the relative path.

Parameters:

path - the path string

Returns:

the file object

listFiles

public static java.util.List listFiles(java.lang.String namePattern,
                                       java.io.File dir)

List file with name specified with wildcard in directory and all its subdirectories.

Parameters:

namePattern -

dir -

Returns:

list of found File objects