org.sonatype.aether.spi.io

Interface FileProcessor

All Known Implementing Classes:

DefaultFileProcessor, TestFileProcessor

public interface FileProcessor

A utility component to perform file-based operations.

Author:

Benjamin Hanzelmann, Benjamin Bentmann

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	FileProcessor.ProgressListener A listener object that is notified for every progress made while copying files.

Method Summary

Methods

Modifier and Type	Method and Description
long	copy(File source, File target, FileProcessor.ProgressListener listener) Copies the specified source file to the given target file.
boolean	mkdirs(File directory) Creates the directory named by the given abstract pathname, including any necessary but nonexistent parent directories.
void	move(File source, File target) Moves the specified source file to the given target file.
void	write(File file, String data) Writes the given data to a file.

Method Detail

mkdirs

boolean mkdirs(File directory)

Creates the directory named by the given abstract pathname, including any necessary but nonexistent parent directories. Note that if this operation fails it may have succeeded in creating some of the necessary parent directories.

Parameters:

directory - The directory to create, may be null.

Returns:

true if and only if the directory was created, along with all necessary parent directories; false otherwise

write

void write(File file,
         String data)
           throws IOException

Writes the given data to a file. UTF-8 is assumed as encoding for the data. Creates the necessary directories for the target file. In case of an error, the created directories will be left on the file system.

Parameters:

file - The file to write to, must not be null. This file will be overwritten.

data - The data to write, may be null.

Throws:

IOException - If an I/O error occurs.

copy

long copy(File source,
        File target,
        FileProcessor.ProgressListener listener)
          throws IOException

Copies the specified source file to the given target file. Creates the necessary directories for the target file. In case of an error, the created directories will be left on the file system.

Parameters:

source - The file to copy from, must not be null.

target - The file to copy to, must not be null.

listener - The listener to notify about the copy progress, may be null.

Returns:

The number of copied bytes.

Throws:

IOException - If an I/O error occurs.

move

void move(File source,
        File target)
          throws IOException

Moves the specified source file to the given target file. If the target file already exists, it is overwritten. Creates the necessary directories for the target file. In case of an error, the created directories will be left on the file system.

Parameters:

source - The file to move from, must not be null.

target - The file to move to, must not be null.

Throws:

IOException - If an I/O error occurs.