org.crosswire.jsword.book.filter
Class FilterFactory

java.lang.Object
  org.crosswire.jsword.book.filter.FilterFactory

public final class FilterFactory
extends Object

A simple container for all the known filters.

Author:

Joe Walker

See Also:

The GNU Lesser General Public License for details.

Field Summary

private static Filter	deft The lookup table of filters
private static Map<String,Filter>	filters The lookup table of filters
private static org.slf4j.Logger	log The log stream

Constructor Summary

private

FilterFactory() Prevent instantiation

Method Summary

static void	addFilter(String name, Filter instance) Add to our list of known filters
static Filter	getDefaultFilter() Find a filter given a lookup string
static Filter	getFilter(String lookup) Find a filter given a lookup string.

Methods inherited from class java.lang.Object

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

Field Detail

filters

private static Map<String,Filter> filters

The lookup table of filters

log

private static final org.slf4j.Logger log

The log stream

deft

private static volatile Filter deft

The lookup table of filters

Constructor Detail

FilterFactory

private FilterFactory()

Prevent instantiation

Method Detail

getFilter

public static Filter getFilter(String lookup)

Find a filter given a lookup string. If lookup is null or the filter is not found then the default filter will be used.

Parameters:

lookup - the lookup string for the filter

Returns:

the matching filter

getDefaultFilter

public static Filter getDefaultFilter()

Find a filter given a lookup string

Returns:

the default filter

addFilter

public static void addFilter(String name,
                             Filter instance)

Add to our list of known filters

Parameters:

name -

instance -