io.fabric8.utils

Class Files

java.lang.Object

io.fabric8.utils.Files

public final class Files
extends Object

File utilities

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Files.DownloadCycleException

Method Summary

Methods

Modifier and Type	Method and Description
static void	assertDirectoryExists(File file) Throws an exception if the given file does not exist
static void	assertExists(File file) Throws an exception if the given file or directory does not exist
static void	assertFileExists(File file) Throws an exception if the given file does not exist
static void	copy(File source, File target) Copy the source File to the target File.
static void	copy(InputStream is, OutputStream os) Copy the InputStream to the OutputStream.
static File	createTempFile(String path) Creates a temporary file.
static String	getFileExtension(File file)
static String	getFileExtension(String path) Returns the file extension of the file name of the path or null
static String	getFileName(String path) Returns the file name part of the path
static String	getRelativePath(File rootDir, File file)
static boolean	isDirectory(File file) Returns true if the given file is of type directory and exists
static boolean	isFile(File file) Returns true if the given file is of type file and exists
static boolean	isWindows() Returns true, if the OS is windows
static String	normalizePath(String path) Normalizes the path to cater for Windows and other platforms
static String	normalizePath(String path, char from, char to)
static byte[]	readBytes(File file) Reads a File and returns the data as a byte array
static byte[]	readBytes(InputStream in) Reads an InputStream and returns the data as a byte array
static List<String>	readLines(File file) Reads a File and returns the list of lines
static int	recursiveDelete(File file) Recursively deletes the given file whether its a file or directory returning the number of files deleted
static void	recursiveDelete(File file, FileFilter filter) Recursively deletes the file and any children files if its a directory
static String	stripLeadingSeparator(String name) Strip any leading separators
static String	toString(File file) Reads a File and returns a .
static String	toString(File file, Charset charset) Reads a File and returns a .
static String	toString(InputStream inputStream) Reads an InputStream and returns a .
static String	toString(InputStream inputStream, Charset charset) Reads an InputStream and returns a .
static File	urlToFile(String url, String tempFilePrefix, String tempFilePostfix)
static File	urlToFile(URL url, String tempFilePrefix, String tempFilePostfix) Attempts to convert a URL to a file or copies the URL to a temporary file if it can't be easily converted
static void	writeLines(File file, List<String> lines) Writes the given lines to the File
static void	writeToFile(File file, byte[] content) Writes String content to File.
static void	writeToFile(File file, String content, Charset charset) Writes String content to File.

Methods inherited from class java.lang.Object

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

Method Detail

isFile

public static boolean isFile(File file)

Returns true if the given file is of type file and exists

isDirectory

public static boolean isDirectory(File file)

Returns true if the given file is of type directory and exists

normalizePath

public static String normalizePath(String path)

Normalizes the path to cater for Windows and other platforms

normalizePath

public static String normalizePath(String path,
                   char from,
                   char to)

isWindows

public static boolean isWindows()

Returns true, if the OS is windows

stripLeadingSeparator

public static String stripLeadingSeparator(String name)

Strip any leading separators

getFileName

public static String getFileName(String path)

Returns the file name part of the path

getFileExtension

public static String getFileExtension(String path)

Returns the file extension of the file name of the path or null

getFileExtension

public static String getFileExtension(File file)

createTempFile

public static File createTempFile(String path)
                           throws IOException

Creates a temporary file.

Throws:

IOException

toString

public static String toString(File file,
              Charset charset)
                       throws IOException

Reads a File and returns a .

Throws:

IOException

toString

public static String toString(InputStream inputStream)
                       throws IOException

Reads an InputStream and returns a .

Throws:

IOException

toString

public static String toString(InputStream inputStream,
              Charset charset)
                       throws IOException

Reads an InputStream and returns a .

Throws:

IOException

readLines

public static List<String> readLines(File file)
                              throws IOException

Reads a File and returns the list of lines

Throws:

IOException

writeLines

public static void writeLines(File file,
              List<String> lines)
                       throws IOException

Writes the given lines to the File

Throws:

IOException

readBytes

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

Reads a File and returns the data as a byte array

Throws:

IOException

readBytes

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

Reads an InputStream and returns the data as a byte array

Throws:

IOException

toString

public static String toString(File file)
                       throws IOException

Reads a File and returns a .

Throws:

IOException

writeToFile

public static void writeToFile(File file,
               String content,
               Charset charset)
                        throws IOException

Writes String content to File.

Throws:

IOException

writeToFile

public static void writeToFile(File file,
               byte[] content)
                        throws IOException

Writes String content to File.

Throws:

IOException

copy

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

Copy the source File to the target File.

Throws:

IOException

copy

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

Copy the InputStream to the OutputStream.

Throws:

IOException

getRelativePath

public static String getRelativePath(File rootDir,
                     File file)
                              throws IOException

Throws:

IOException

assertExists

public static void assertExists(File file)

Throws an exception if the given file or directory does not exist

assertFileExists

public static void assertFileExists(File file)

Throws an exception if the given file does not exist

assertDirectoryExists

public static void assertDirectoryExists(File file)

Throws an exception if the given file does not exist

recursiveDelete

public static int recursiveDelete(File file)

Recursively deletes the given file whether its a file or directory returning the number of files deleted

recursiveDelete

public static void recursiveDelete(File file,
                   FileFilter filter)

Recursively deletes the file and any children files if its a directory

urlToFile

public static File urlToFile(String url,
             String tempFilePrefix,
             String tempFilePostfix)
                      throws IOException

Throws:

IOException

urlToFile

public static File urlToFile(URL url,
             String tempFilePrefix,
             String tempFilePostfix)
                      throws IOException

Attempts to convert a URL to a file or copies the URL to a temporary file if it can't be easily converted

Throws:

IOException