Package csv.impl

Class DefaultColumnFilter

java.lang.Object

csv.impl.AbstractColumnFilter

csv.impl.DefaultColumnFilter

All Implemented Interfaces:

TableReader, Iterable<Object[]>, Iterator<Object[]>

public class DefaultColumnFilter
extends AbstractColumnFilter

Implements a filter based on a given index array. You are able to filter and resort the column in each row.

Author:

ralph

Constructor Summary

Constructors

Constructor	Description
DefaultColumnFilter(TableReader reader, int[] indexOrder)	Default Constructor

Method Summary

Modifier and Type	Method	Description
protected int	getFilteredIndex(int originalIndex)	Returns the index in filtered row of the specified original column index.

Methods inherited from class csv.impl.AbstractColumnFilter

close, filter, get, getColumnIndex, getHeaderRow, getMinimumColumnCount, getReader, getRowIndex, hasHeaderRow, hasNext, iterator, next, open, registerCommentCallBack, remove, reset, setHasHeaderRow, setMinimumColumnCount, unregisterCommentCallBack

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultColumnFilter

public DefaultColumnFilter(TableReader reader,
                           int[] indexOrder)

Default Constructor

Parameters:

reader - underlying reader to be filtered.

indexOrder - array of column indices to be returned from underlying reader

Method Detail

getFilteredIndex

protected int getFilteredIndex(int originalIndex)

Returns the index in filtered row of the specified original column index.

Specified by:

getFilteredIndex in class AbstractColumnFilter

Parameters:

originalIndex - index of value in row from underlying reader

Returns:

index of value in filtered row or -1 if column will not be visible.