de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters
Class FileListParameter

java.lang.Object
  de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.Parameter<List<T>,List<T>>
      de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.ListParameter<File>
          de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.FileListParameter

public class FileListParameter
extends ListParameter<File>

Parameter class for a parameter specifying a list of files.

Nested Class Summary

static class

FileListParameter.FilesType Available types of the files: FileListParameter.FilesType.INPUT_FILES denotes input files, FileListParameter.FilesType.OUTPUT_FILES denotes output files.

Field Summary

private FileListParameter.FilesType

filesType Specifies the type of the files, i.e. if the files are input or output files.

Fields inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.ListParameter

LIST_SEP, SPLIT, VECTOR_SEP, VECTOR_SPLIT

Fields inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.Parameter

constraints, defaultValue, givenValue, optionalParameter, optionid, shortDescription

Constructor Summary

FileListParameter(OptionID optionID, FileListParameter.FilesType filesType)
Constructs a file list parameter with the given optionID, and file type.

Method Summary

String	getSyntax() Returns a string representation of the parameter's type.
String	getValueAsString() Get the value as string.
protected List<File>	parseValue(Object obj) Parse a given value into the destination type.
protected boolean	validate(List<File> obj) Validate a value after parsing (e.g. do constrain checks!)

Methods inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.ListParameter

asString, getListSize

Methods inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.Parameter

addConstraint, getDefaultValue, getDefaultValueAsString, getFullDescription, getGivenValue, getName, getOptionID, getShortDescription, getValue, getValuesDescription, hasDefaultValue, hasValuesDescription, isDefined, isOptional, isValid, setDefaultValue, setOptional, setShortDescription, setValue, setValueInternal, tookDefaultValue, tryDefaultValue, useDefaultValue

Methods inherited from class java.lang.Object

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

Field Detail

filesType

private FileListParameter.FilesType filesType

Specifies the type of the files, i.e. if the files are input or output files.

Constructor Detail

FileListParameter

public FileListParameter(OptionID optionID,
                         FileListParameter.FilesType filesType)

Constructs a file list parameter with the given optionID, and file type.

Parameters:

optionID - the unique id of this file list parameter

filesType - the file type of this file list parameter

Method Detail

getValueAsString

public String getValueAsString()

Get the value as string. May return null

Specified by:

getValueAsString in class Parameter<List<File>,List<File>>

Returns:

Value as string

parseValue

protected List<File> parseValue(Object obj)
                         throws ParameterException

Parse a given value into the destination type.

Specified by:

parseValue in class Parameter<List<File>,List<File>>

Parameters:

obj - Object to parse (may be a string representation!)

Returns:

Parsed object

Throws:

ParameterException - when the object cannot be parsed.

validate

protected boolean validate(List<File> obj)
                    throws ParameterException

Validate a value after parsing (e.g. do constrain checks!)

Overrides:

validate in class Parameter<List<File>,List<File>>

Parameters:

obj - Object to validate

Returns:

true iff the object is valid for this parameter.

Throws:

ParameterException - when the object is not valid.

getSyntax

public String getSyntax()

Returns a string representation of the parameter's type.

Specified by:

getSyntax in class Parameter<List<File>,List<File>>

Returns:

"<file_1,...,file_n>"