de.alpharogroup.file.search

Class FileSearchUtils

java.lang.Object

de.alpharogroup.file.search.FileSearchUtils

public final class FileSearchUtils
extends Object

The Class FileSearchUtils provides methods for searching in directories.

Version:

1.0

Author:

Asterios Raptis

Method Summary

Modifier and Type	Method and Description
static boolean	containsFile(File parent, File search) Checks if the given file contains only in the parent file, not in the subdirectories.
static boolean	containsFile(File fileToSearch, String pathname) Checks if the given file contains in the parent file.
static boolean	containsFileRecursive(File parent, File search) Checks if the given file contains only in the parent file recursively.
static long	countAllFilesInDirectory(File dir, long length, boolean includeDirectories) Counts all the files in a directory recursively.
static List<File>	findAllFiles(File dir, String fileSearchPattern) Finds all files that match the search pattern.
static List<File>	findFiles(File dir, String filenameToSearch) Finds all files that match the search pattern.
static List<File>	findFiles(String start, String[] extensions) Searches for files with the given extensions and adds them to a Vector.
static List<File>	findFilesRecursive(File dir, String filenameToSearch) Finds all files that match the search pattern.
static List<File>	findFilesWithFilter(File dir, String... extension) Finds all files that match the given extension.
static List<File>	getAllFilesFromDir(File dir) Gets the all files from directory.
static List<File>	getAllFilesFromDirRecursive(File dir) Gets all the files from directory recursive.
static long	getFileLengthInKilobytes(File dir) Gets the file length from the given file in Kilobytes.
static long	getFileLengthInMegabytes(File dir) Gets the file length from the given file in Megabytes.
static String	getSearchFilePattern(String... fileExtensions) Gets a regex search file pattern that can be used for searching files with a Matcher.
static List<File>	listDirs(File dir) List the directories from the given file(directory).
static boolean	match(String stringToMatch, String[] suffixes) Checks the given String matches the given suffixes.

Methods inherited from class java.lang.Object

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

Method Detail

containsFile

public static boolean containsFile(File parent,
                                   File search)

Checks if the given file contains only in the parent file, not in the subdirectories.

Parameters:

parent - The parent directory to search.

search - The file to search.

Returns:

's true if the file exists in the parent directory otherwise false.

containsFile

public static boolean containsFile(File fileToSearch,
                                   String pathname)

Checks if the given file contains in the parent file.

Parameters:

fileToSearch - The parent directory to search.

pathname - The file to search.

Returns:

's true if the file exists in the parent directory otherwise false.

containsFileRecursive

public static boolean containsFileRecursive(File parent,
                                            File search)

Checks if the given file contains only in the parent file recursively.

Parameters:

parent - The parent directory to search.

search - The file to search.

Returns:

's true if the file exists in the parent directory otherwise false.

countAllFilesInDirectory

public static long countAllFilesInDirectory(File dir,
                                            long length,
                                            boolean includeDirectories)

Counts all the files in a directory recursively. This includes files in the subdirectories.

Parameters:

dir - the directory.

length - the current length. By start is this 0.

includeDirectories - If this is true then the directories are in the count too.

Returns:

the total number of files.

findAllFiles

public static List<File> findAllFiles(File dir,
                                      String fileSearchPattern)

Finds all files that match the search pattern. The search is not recursively.

Parameters:

dir - The directory to search.

fileSearchPattern - The regex file search pattern.

Returns:

A List with all files that matches the search pattern.

findFiles

public static List<File> findFiles(File dir,
                                   String filenameToSearch)

Finds all files that match the search pattern. The search is not recursively.

Parameters:

dir - The directory to search.

filenameToSearch - The search pattern. Allowed wildcards are "*" and "?".

Returns:

A List with all files that matches the search pattern.

findFiles

public static List<File> findFiles(String start,
                                   String[] extensions)

Searches for files with the given extensions and adds them to a Vector.

Parameters:

start - The path to the file.

extensions - The extensions to find.

Returns:

Returns a Vector all founded files.

findFilesRecursive

public static List<File> findFilesRecursive(File dir,
                                            String filenameToSearch)

Finds all files that match the search pattern. The search is recursively.

Parameters:

dir - The directory to search.

filenameToSearch - The search pattern. Allowed wildcards are "*" and "?".

Returns:

A List with all files that matches the search pattern.

findFilesWithFilter

public static List<File> findFilesWithFilter(File dir,
                                             String... extension)

Finds all files that match the given extension. The search is recursively.

Parameters:

dir - The directory to search.

extension - The extensions to search.

Returns:

A List with all files that matches the search pattern.

getAllFilesFromDir

public static List<File> getAllFilesFromDir(File dir)

Gets the all files from directory.

Parameters:

dir - the dir

Returns:

A list with all files from the given directory.

getAllFilesFromDirRecursive

public static List<File> getAllFilesFromDirRecursive(File dir)

Gets all the files from directory recursive.

Parameters:

dir - the directory

Returns:

the all files from dir recursive

getFileLengthInKilobytes

public static long getFileLengthInKilobytes(File dir)

Gets the file length from the given file in Kilobytes.

Parameters:

dir - the dir

Returns:

Returns the file length from the given file in Kilobytes.

getFileLengthInMegabytes

public static long getFileLengthInMegabytes(File dir)

Gets the file length from the given file in Megabytes.

Parameters:

dir - the directory

Returns:

Returns the file length from the given file in Megabytes.

getSearchFilePattern

public static String getSearchFilePattern(String... fileExtensions)

Gets a regex search file pattern that can be used for searching files with a Matcher.

Parameters:

fileExtensions - The file extensions that shell exist in the search pattern.

Returns:

a regex search file pattern that can be used for searching files with a Matcher.

listDirs

public static List<File> listDirs(File dir)

List the directories from the given file(directory).

Parameters:

dir - the directory.

Returns:

the list

match

public static boolean match(String stringToMatch,
                            String[] suffixes)

Checks the given String matches the given suffixes.

Parameters:

stringToMatch - The string to compare.

suffixes - An array with suffixes.

Returns:

Returns true if matches otherwise false.