com.antelmann.math
Class NumberStringFilter<T extends Number & Comparable<? super T>>

java.lang.Object
  com.antelmann.math.NumberStringFilter<T>

All Implemented Interfaces:

Filter<T>

Direct Known Subclasses:

NumberStringFilter.DecimalFilter, NumberStringFilter.DoubleFilter, NumberStringFilter.IntFilter, NumberStringFilter.LongFilter

@Todo(value={"support localized number formats","also support expressions with BooleanOperator"})
public abstract class NumberStringFilter<T extends Number & Comparable<? super T>>
extends Object
implements Filter<T>

compiles a filter from an input string that supports numbers and ranges in the form: '<1, 3, 5, 7-9, 11, 20-30, >=50'.

Since:

10.12.2010, 12:54:14

Author:

Holger Antelmann

Nested Class Summary

static class	NumberStringFilter.DecimalFilter
static class	NumberStringFilter.DoubleFilter
static class	NumberStringFilter.IntFilter
static class	NumberStringFilter.LongFilter

Field Summary

Fields inherited from interface com.antelmann.util.Filter

EXCLUDE_ALL_FILTER, INCLUDE_ALL_FILTER

Constructor Summary

NumberStringFilter(String filterString)

Method Summary

boolean	accept(T number) returns true only if the given entry is accepted by this filter
Set<Map.Entry<T,RelationalOperator>>	getCompiledNumbers()
List<Range<T>>	getCompiledRanges()
String	getFilterString()
abstract T	parseNumber(String str)
void	setFilterString(String filterString)

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberStringFilter

public NumberStringFilter(String filterString)
                   throws NumberFormatException

Throws:

NumberFormatException

Method Detail

getCompiledNumbers

public Set<Map.Entry<T,RelationalOperator>> getCompiledNumbers()

getCompiledRanges

public List<Range<T>> getCompiledRanges()

accept

public boolean accept(T number)

Description copied from interface: Filter

returns true only if the given entry is accepted by this filter

Specified by:

accept in interface Filter<T extends Number & Comparable<? super T>>

getFilterString

public String getFilterString()

parseNumber

public abstract T parseNumber(String str)
                                                             throws NumberFormatException

Throws:

NumberFormatException

setFilterString

public void setFilterString(String filterString)
                     throws NumberFormatException

Throws:

NumberFormatException