org.apache.ctakes.ytex.kernel

Class FileUtil

java.lang.Object

org.apache.ctakes.ytex.kernel.FileUtil

public class FileUtil
extends Object

miscellaneous utility functions used for data import/export

Author:

vijay

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FileUtil.DirectoryFileFilter file filter to get directories
static class	FileUtil.PrefixFileFilter get files that start with specified prefix.
static class	FileUtil.SuffixFileFilter filter files by suffix

Constructor Summary

Constructors

Constructor and Description
FileUtil()

Method Summary

Modifier and Type	Method and Description
static String	addFilenameToDir(String outdir, String filename)
static boolean	checkFileRead(String file)
static void	createOutdir(String outdir)
static String	getDataFilePrefix(String outdir, String label, Integer run, Integer fold, Boolean train) construct file name for train/test set, will be like label[label]_run[run]_fold[fold]_train
static Double	getDoubleProperty(Properties props, String propKey, Double defaultProp)
static String	getFoldFilePrefix(String outdir, String label, Integer run, Integer fold) construct file name with label, run, fold with format label[label]_run[run]_fold[fold]_ only put in the non-null pieces.
static Integer	getIntegerProperty(Properties props, String propKey, Integer defaultProp)
static String	getScopedFileName(String outdir, String label, Integer run, Integer fold, String suffix) generate file name for given outdir and 'scope'
static Properties	loadProperties(String fileName, boolean systemOverride)
static int	parseFoldFromFileName(String filename) extract fold from file name produced by file util
static String	parseLabelFromFileName(String filename) extract label from file name produced by file util
static Integer	parseRunFromFileName(String filename) extract run from file name produced by file util

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtil

public FileUtil()

Method Detail

parseFoldFromFileName

public static int parseFoldFromFileName(String filename)

extract fold from file name produced by file util

Parameters:

filename -

Returns:

null if not in file name

parseRunFromFileName

public static Integer parseRunFromFileName(String filename)

extract run from file name produced by file util

Parameters:

filename -

Returns:

null if not in file name

parseLabelFromFileName

public static String parseLabelFromFileName(String filename)

extract label from file name produced by file util

Parameters:

filename -

Returns:

null if not in file name

getFoldFilePrefix

public static String getFoldFilePrefix(String outdir,
                                       String label,
                                       Integer run,
                                       Integer fold)

construct file name with label, run, fold with format label[label]_run[run]_fold[fold]_ only put in the non-null pieces.

Parameters:

outdir -

label -

run -

fold -

Returns:

getScopedFileName

public static String getScopedFileName(String outdir,
                                       String label,
                                       Integer run,
                                       Integer fold,
                                       String suffix)

generate file name for given outdir and 'scope'

Parameters:

outdir -

label -

run -

fold -

suffix - added to file

Returns:

See Also:

getFoldFilePrefix(java.lang.String, java.lang.String, java.lang.Integer, java.lang.Integer), getFoldFilePrefix(java.lang.String, java.lang.String, java.lang.Integer, java.lang.Integer), getFoldFilePrefix(java.lang.String, java.lang.String, java.lang.Integer, java.lang.Integer), getFoldFilePrefix(java.lang.String, java.lang.String, java.lang.Integer, java.lang.Integer)

addFilenameToDir

public static String addFilenameToDir(String outdir,
                                      String filename)

getDataFilePrefix

public static String getDataFilePrefix(String outdir,
                                       String label,
                                       Integer run,
                                       Integer fold,
                                       Boolean train)

construct file name for train/test set, will be like label[label]_run[run]_fold[fold]_train

Parameters:

outdir -

label -

run -

fold -

train -

Returns:

createOutdir

public static void createOutdir(String outdir)
                         throws IOException

Throws:

IOException

checkFileRead

public static boolean checkFileRead(String file)

loadProperties

public static Properties loadProperties(String fileName,
                                        boolean systemOverride)
                                 throws IOException

Throws:

IOException

getDoubleProperty

public static Double getDoubleProperty(Properties props,
                                       String propKey,
                                       Double defaultProp)

getIntegerProperty

public static Integer getIntegerProperty(Properties props,
                                         String propKey,
                                         Integer defaultProp)