com.nt.udc.util

Class DirectoryStreamUtils

java.lang.Object

com.nt.udc.util.DirectoryStreamUtils

public class DirectoryStreamUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.HashMap<java.io.File,java.util.LinkedList>	hMap

Constructor Summary

Constructors

Constructor and Description
DirectoryStreamUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	checkInput(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter) This method checks for an empty input directory.
static java.util.List<java.io.File>	getFileList(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)
static java.util.List<java.lang.String>	getFileNameList(java.io.File dir)
static java.util.List<java.lang.String>	getFileNameList(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)
static java.lang.String[]	getSortedList(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter) Given a directory name and a filename filter object denoted by DirectoryStream.Filter, return a file name array of files within the directory which meet the filter requirements, sorted by the last modified date.
static java.lang.String[]	getSortedList(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter, FileComparator filecomp) Given a directory name and a filename filter object denoted by DirectoryStream.Filter, return a file name array of files within the directory which meet the filter requirements, sorted by the given FileComparator criteria.
static java.lang.String[]	getSortedList(java.io.File dir, FileComparator filecomp) Given a directory name, return a list of files within the directory sorted by the given FileComparator criteria.
static java.lang.String[]	getSortedListByBatchId(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter) Given a directory name and a filename filter object, return a list of files within the directory which meet the filter requirements, sorted by the last modified date.
static void	getSortedVector(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter, FileComparator filecomp, java.util.LinkedList fileNameVector)
static void	getSortedVector(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter, FileComparator filecomp, java.util.LinkedList fileNameVector, boolean mtOrdered, int threadNum)
static void	getSortedVector(java.io.File dir, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter, FileComparator filecomp, java.util.LinkedList fileNameVector, int threadCount, int threadNum)

Methods inherited from class java.lang.Object

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

Field Detail

hMap

public static java.util.HashMap<java.io.File,java.util.LinkedList> hMap

Constructor Detail

DirectoryStreamUtils

public DirectoryStreamUtils()

Method Detail

getFileList

public static java.util.List<java.io.File> getFileList(java.io.File dir,
                                                       java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)
                                                throws java.lang.Exception

Throws:

java.lang.Exception

getFileNameList

public static java.util.List<java.lang.String> getFileNameList(java.io.File dir,
                                                               java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)
                                                        throws java.lang.Exception

Throws:

java.lang.Exception

getFileNameList

public static java.util.List<java.lang.String> getFileNameList(java.io.File dir)
                                                        throws java.lang.Exception

Throws:

java.lang.Exception

getSortedListByBatchId

public static java.lang.String[] getSortedListByBatchId(java.io.File dir,
                                                        java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)
                                                 throws java.lang.Exception

Given a directory name and a filename filter object, return a list of files within the directory which meet the filter requirements, sorted by the last modified date.

Parameters:

dir - File object identifying the directory containing the files.

filter - FilenameFilter object used to select files which meet specific naming conditions.

Returns:

An array of file names, sorted oldest to newest by the last modified date.

Throws:

java.lang.Exception

getSortedList

public static java.lang.String[] getSortedList(java.io.File dir,
                                               java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)
                                        throws java.lang.Exception

Given a directory name and a filename filter object denoted by DirectoryStream.Filter, return a file name array of files within the directory which meet the filter requirements, sorted by the last modified date.

Parameters:

dir - File object identifying the directory containing the files.

filter - DirectoryStream.Filter object used to select files which meet specific naming conditions.

Returns:

An array of file names, sorted oldest to newest by the the last modified date.

Throws:

java.lang.Exception

getSortedList

public static java.lang.String[] getSortedList(java.io.File dir,
                                               FileComparator filecomp)
                                        throws java.lang.Exception

Given a directory name, return a list of files within the directory sorted by the given FileComparator criteria.

Parameters:

dir - File object identifying the directory containing the files.

Returns:

An array of file names, sorted oldest to newest by the FileComparator's criteria.

Throws:

java.lang.Exception

getSortedList

public static java.lang.String[] getSortedList(java.io.File dir,
                                               java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter,
                                               FileComparator filecomp)
                                        throws java.lang.Exception

Given a directory name and a filename filter object denoted by DirectoryStream.Filter, return a file name array of files within the directory which meet the filter requirements, sorted by the given FileComparator criteria.

Parameters:

dir - File object identifying the directory containing the files.

filter - DirectoryStream.Filter object used to select files which meet specific naming conditions.

filecomp - FileComparator object used to sort files with criteria

Returns:

An array of file names, sorted oldest to newest by the FileComparator's criteria.

Throws:

java.lang.Exception

getSortedVector

public static void getSortedVector(java.io.File dir,
                                   java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter,
                                   FileComparator filecomp,
                                   java.util.LinkedList fileNameVector)
                            throws java.lang.Exception

Throws:

java.lang.Exception

getSortedVector

public static void getSortedVector(java.io.File dir,
                                   java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter,
                                   FileComparator filecomp,
                                   java.util.LinkedList fileNameVector,
                                   int threadCount,
                                   int threadNum)
                            throws java.lang.Exception

Throws:

java.lang.Exception

getSortedVector

public static void getSortedVector(java.io.File dir,
                                   java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter,
                                   FileComparator filecomp,
                                   java.util.LinkedList fileNameVector,
                                   boolean mtOrdered,
                                   int threadNum)
                            throws java.lang.Exception

Throws:

java.lang.Exception

checkInput

public static boolean checkInput(java.io.File dir,
                                 java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)

This method checks for an empty input directory.

Returns:

true, if directory contains files