org.wiztools.commons

Class FileUtil

java.lang.Object

org.wiztools.commons.FileUtil

public final class FileUtil
extends Object

Common functions using the java.io.File object.

Author:

subwiz

Method Summary

Methods

Modifier and Type	Method and Description
static void	copy(File source, File dest) Copies content of directory/file.
static byte[]	getContentAsBytes(File f) Read the contents of the file as a byte[]
static String	getContentAsString(File f, Charset charset) Returns the content of the file as a String
static List<String>	getContentAsStringList(File f, Charset charset) Each line in the file is returned as a element in the list.
static String	getMimeType(File f) Returns the mime-type of the file.
static void	writeBytes(File f, byte[] bytes) Writes a byte[] to a file.
static void	writeString(File f, String content, Charset charset) Writes the provided String to the file using the provided charset encoding.

Methods inherited from class java.lang.Object

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

Method Detail

getContentAsString

public static String getContentAsString(File f,
                        Charset charset)
                                 throws IOException

Returns the content of the file as a String

Parameters:

f - File to read the content from

charset - The charset to use to read the content.

Returns:

Content of the file as a String.

Throws:

IOException

getContentAsStringList

public static List<String> getContentAsStringList(File f,
                                  Charset charset)
                                           throws IOException

Each line in the file is returned as a element in the list.

Parameters:

f - The file that needs to be read.

charset - The charset to be used to read the file.

Returns:

The string-list containing lines in the file.

Throws:

IOException

getContentAsBytes

public static byte[] getContentAsBytes(File f)
                                throws IOException

Read the contents of the file as a byte[]

Parameters:

f - The file to read the content from.

Returns:

The content of the file as byte[].

Throws:

IOException

getMimeType

public static String getMimeType(File f)

Returns the mime-type of the file. Returns "content/unknown" when VM is not able to determine type.

Parameters:

f - File for which mime-type needs to be determined.

Returns:

Mime-type as a String.

writeString

public static void writeString(File f,
               String content,
               Charset charset)
                        throws IOException

Writes the provided String to the file using the provided charset encoding.

Parameters:

f - The file the write the String to.

content - The content String to write.

charset - The charset encoding to use when writing.

Throws:

IOException

writeBytes

public static void writeBytes(File f,
              byte[] bytes)
                       throws IOException

Writes a byte[] to a file.

Parameters:

f - The file to write the byte[].

bytes - The content to write.

Throws:

IOException

copy

public static void copy(File source,
        File dest)
                 throws IOException

Copies content of directory/file. Note: will over-write any existing content.

Parameters:

source - The source directory/file.

dest - The destination directory/file.

Throws:

IOException - When IO error happens.