weka.core.converters
Class AbstractFileLoader

java.lang.Object
  weka.core.converters.AbstractLoader
      weka.core.converters.AbstractFileLoader

All Implemented Interfaces:

java.io.Serializable, FileSourcedConverter, Loader

Direct Known Subclasses:

ArffLoader, C45Loader, CSVLoader, LibSVMLoader, SerializedInstancesLoader, XRFFLoader

public abstract class AbstractFileLoader
extends AbstractLoader
implements FileSourcedConverter

Abstract superclass for all file loaders.

Version:

$Revision: 1.2 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Constructor Summary

AbstractFileLoader()

Method Summary

void	reset() Resets the loader ready to read a new data set
java.io.File	retrieveFile() get the File specified as the source
static void	runFileLoader(AbstractFileLoader loader, java.lang.String[] options) runs the given loader with the provided options
void	setFile(java.io.File file) sets the source File
void	setSource(java.io.File file) Resets the Loader object and sets the source of the data set to be the supplied File object.

Methods inherited from class weka.core.converters.AbstractLoader

getDataSet, getNextInstance, getStructure, setSource

Methods inherited from class java.lang.Object

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

Methods inherited from interface weka.core.converters.FileSourcedConverter

getFileDescription, getFileExtension, getFileExtensions

Constructor Detail

AbstractFileLoader

public AbstractFileLoader()

Method Detail

retrieveFile

public java.io.File retrieveFile()

get the File specified as the source

Specified by:

retrieveFile in interface FileSourcedConverter

Returns:

the source file

setFile

public void setFile(java.io.File file)
             throws java.io.IOException

sets the source File

Specified by:

setFile in interface FileSourcedConverter

Parameters:

file - the source file

Throws:

java.io.IOException - if an error occurs

reset

public void reset()
           throws java.io.IOException

Resets the loader ready to read a new data set

Specified by:

reset in interface Loader

Overrides:

reset in class AbstractLoader

Throws:

java.io.IOException - if something goes wrong

setSource

public void setSource(java.io.File file)
               throws java.io.IOException

Resets the Loader object and sets the source of the data set to be the supplied File object.

Specified by:

setSource in interface Loader

Overrides:

setSource in class AbstractLoader

Parameters:

file - the source file.

Throws:

java.io.IOException - if an error occurs

runFileLoader

public static void runFileLoader(AbstractFileLoader loader,
                                 java.lang.String[] options)

runs the given loader with the provided options

Parameters:

loader - the loader to run

options - the commandline options, first argument must be the file to load