Package com.helger.commons.datetime

Class DateTimeFormatterCache

java.lang.Object

com.helger.commons.cache.MappedCache<KEYTYPE,KEYTYPE,VALUETYPE>

com.helger.commons.cache.Cache<DateTimeFormatterPattern,DateTimeFormatter>

com.helger.commons.datetime.DateTimeFormatterCache

All Implemented Interfaces:

ICache<DateTimeFormatterPattern,DateTimeFormatter>, IMutableCache<DateTimeFormatterPattern,DateTimeFormatter>, IHasSize, IHasName

@ThreadSafe
@Singleton
public final class DateTimeFormatterCache
extends Cache<DateTimeFormatterPattern,DateTimeFormatter>

This class provides a cache for DateTimeFormatter instances. It caches up to a limited number of compiled DateTimeFormatter objects.

Author:

Philip Helger

Field Summary

Fields

Modifier and Type	Field	Description
static int	MAX_CACHE_SIZE	The default number of items to keep in the cache

Fields inherited from class com.helger.commons.cache.Cache

DEFAULT_ALLOW_NULL_VALUES

Fields inherited from class com.helger.commons.cache.MappedCache

m_aRWLock, NO_MAX_SIZE, STATISTICS_PREFIX

Method Summary

Modifier and Type	Method	Description
static DateTimeFormatter	getDateTimeFormatter(String sPattern, ResolverStyle eResolverStyle)	Get the cached DateTimeFormatter using the provided resolver style.
static DateTimeFormatter	getDateTimeFormatterLenient(String sPattern)	Get the cached DateTimeFormatter using LENIENT resolving.
static DateTimeFormatter	getDateTimeFormatterSmart(String sPattern)	Get the cached DateTimeFormatter using SMART resolving.
static DateTimeFormatter	getDateTimeFormatterStrict(String sPattern)	Get the cached DateTimeFormatter using STRICT resolving.
static DateTimeFormatterCache	getInstance()
static boolean	isInstantiated()

Methods inherited from class com.helger.commons.cache.MappedCache

clearCache, createCache, getCacheKeyProvider, getFromCache, getFromCacheNoStats, getFromCacheNoStatsNotLocked, getMaxSize, getName, getValueProvider, hasMaxSize, isAllowNullValues, isEmpty, isInCache, isNotEmpty, putInCache, putInCacheNotLocked, removeFromCache, size, toString

Methods inherited from class java.lang.Object

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

Field Detail

MAX_CACHE_SIZE

public static final int MAX_CACHE_SIZE

The default number of items to keep in the cache

See Also:

Constant Field Values

Method Detail

isInstantiated

public static boolean isInstantiated()

getInstance

@Nonnull
public static DateTimeFormatterCache getInstance()

getDateTimeFormatterStrict

@Nonnull
public static DateTimeFormatter getDateTimeFormatterStrict(@Nonnull @Nonempty
                                                           String sPattern)

Get the cached DateTimeFormatter using STRICT resolving.

Parameters:

sPattern - The pattern to retrieve. May neither be null nor empty.

Returns:

The compiled DateTimeFormatter and never null .

Throws:

IllegalArgumentException - If the pattern is invalid

getDateTimeFormatterSmart

@Nonnull
public static DateTimeFormatter getDateTimeFormatterSmart(@Nonnull @Nonempty
                                                          String sPattern)

Get the cached DateTimeFormatter using SMART resolving.

Parameters:

sPattern - The pattern to retrieve. May neither be null nor empty.

Returns:

The compiled DateTimeFormatter and never null .

Throws:

IllegalArgumentException - If the pattern is invalid

getDateTimeFormatterLenient

@Nonnull
public static DateTimeFormatter getDateTimeFormatterLenient(@Nonnull @Nonempty
                                                            String sPattern)

Get the cached DateTimeFormatter using LENIENT resolving.

Parameters:

sPattern - The pattern to retrieve. May neither be null nor empty.

Returns:

The compiled DateTimeFormatter and never null .

Throws:

IllegalArgumentException - If the pattern is invalid

getDateTimeFormatter

@Nonnull
public static DateTimeFormatter getDateTimeFormatter(@Nonnull @Nonempty
                                                     String sPattern,
                                                     @Nonnull
                                                     ResolverStyle eResolverStyle)

Get the cached DateTimeFormatter using the provided resolver style.

Parameters:

sPattern - The pattern to retrieve. May neither be null nor empty.

eResolverStyle - The resolver style to be used. May not be null.

Returns:

The compiled DateTimeFormatter and never null.

Throws:

IllegalArgumentException - If the pattern is invalid