net.csdn.common.collections

Class WowCollections

java.lang.Object

net.csdn.common.collections.WowCollections

public class WowCollections
extends Object

BlogInfo: WilliamZhu Date: 12-5-17 Time: 下午3:27

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	WowCollections.ListIterator<K>
static interface	WowCollections.MapIterator<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
static List	EMPTY_LIST
static Map	EMPTY_MAP

Constructor Summary

Constructors

Constructor and Description
WowCollections()

Method Summary

Modifier and Type	Method and Description
static Map	doubleListToMap(List keys, List values)
static Boolean	getBoolean(Map map, String key)
static Date	getDate(Map map, String key)
static long	getDateAsLong(Map map, String key)
static int	getInt(Map map, String key)
static long	getLong(Map map, String key)
static Map	getMap(Map map, String key)
static String	getString(Map map, String key)
static String	getStringNoNull(Map map, String key)
static Set	hashSet(int[] array)
static Set	hashSet(Object[] array)
static boolean	isEmpty(Collection collection)
static boolean	isEmpty(String str)
static boolean	isNull(Object obj)
static <K> List	iterate_list(List<K> list, WowCollections.ListIterator<K> listIterator)
static <K,V> List	iterate_map(Map<K,V> map, WowCollections.MapIterator mapIterator)
static <K> List	iterateList(List<K> list, WowCollections.ListIterator<K> listIterator)
static <K,V> List	iterateMap(Map<K,V> map, WowCollections.MapIterator mapIterator)
static String	join(Collection collection)
static String	join(Collection collection, String split)
static String	join(Collection collection, String split, String wrapper)
static String	join(int[] arrays, String split)
static String	join(Object[] arrays, String split)
static String	join(Object[] collection, String split, String wrapper)
static <T> List<T>	list(T... arrays)
static Map	map(Object... arrays)
static <T> Set<T>	newHashSet(T... arrays)
static List	project(List<Map> list, String key)
static List	projectByMethod(List list, String method, Object... params)
static <T> List<T>	projectionColumn(List<Map> maps, String column)
static Map	selectMap(Map map, String... keys)
static Map	selectMapWithAliasName(Map map, String... keys)
static Map	selectMapWithAliasNameInclude(Map map, String... keys)
static Iterable<String>	split(String s, String seperator)
static List<String>	split2(String s, String seperator)
static List<Integer>	split2IntoDouble(String s, String seperator)
static List<Integer>	split2IntoInt(String s, String seperator)
static List<Integer>	split2IntoLong(String s, String seperator)
static List<String>	split2SkipEmpty(String s, String seperator)
static List<List>	splitList(List list, int size)
static Iterable<String>	splitWithRegex(String s, String seperatorPattern)
static List	subList(List temp, int size)
static List	subList(List temp, int start, int size)
static List	toList(Object[] array)
static void	uniqList(List list)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_MAP

public static final Map EMPTY_MAP

EMPTY_LIST

public static final List EMPTY_LIST

Constructor Detail

WowCollections

public WowCollections()

Method Detail

newHashSet

public static <T> Set<T> newHashSet(T... arrays)

isEmpty

public static boolean isEmpty(Collection collection)

isEmpty

public static boolean isEmpty(String str)

isNull

public static boolean isNull(Object obj)

selectMap

public static Map selectMap(Map map,
                            String... keys)

selectMapWithAliasName

public static Map selectMapWithAliasName(Map map,
                                         String... keys)

selectMapWithAliasNameInclude

public static Map selectMapWithAliasNameInclude(Map map,
                                                String... keys)

map

public static Map map(Object... arrays)

list

public static <T> List<T> list(T... arrays)

projectionColumn

public static <T> List<T> projectionColumn(List<Map> maps,
                                           String column)

join

public static String join(Collection collection,
                          String split)

join

public static String join(Collection collection)

splitList

public static List<List> splitList(List list,
                                   int size)

project

public static List project(List<Map> list,
                           String key)

projectByMethod

public static List projectByMethod(List list,
                                   String method,
                                   Object... params)

doubleListToMap

public static Map doubleListToMap(List keys,
                                  List values)

join

public static String join(Collection collection,
                          String split,
                          String wrapper)

join

public static String join(Object[] collection,
                          String split,
                          String wrapper)

getString

public static String getString(Map map,
                               String key)

getStringNoNull

public static String getStringNoNull(Map map,
                                     String key)

getDate

public static Date getDate(Map map,
                           String key)

getDateAsLong

public static long getDateAsLong(Map map,
                                 String key)

getInt

public static int getInt(Map map,
                         String key)

getLong

public static long getLong(Map map,
                           String key)

getMap

public static Map getMap(Map map,
                         String key)

getBoolean

public static Boolean getBoolean(Map map,
                                 String key)

hashSet

public static Set hashSet(Object[] array)

toList

public static List toList(Object[] array)

hashSet

public static Set hashSet(int[] array)

join

public static String join(Object[] arrays,
                          String split)

join

public static String join(int[] arrays,
                          String split)

split

public static Iterable<String> split(String s,
                                     String seperator)

split2

public static List<String> split2(String s,
                                  String seperator)

split2SkipEmpty

public static List<String> split2SkipEmpty(String s,
                                           String seperator)

split2IntoInt

public static List<Integer> split2IntoInt(String s,
                                          String seperator)

split2IntoDouble

public static List<Integer> split2IntoDouble(String s,
                                             String seperator)

split2IntoLong

public static List<Integer> split2IntoLong(String s,
                                           String seperator)

splitWithRegex

public static Iterable<String> splitWithRegex(String s,
                                              String seperatorPattern)

iterateMap

public static <K,V> List iterateMap(Map<K,V> map,
                                    WowCollections.MapIterator mapIterator)

iterate_map

public static <K,V> List iterate_map(Map<K,V> map,
                                     WowCollections.MapIterator mapIterator)

subList

public static List subList(List temp,
                           int size)

subList

public static List subList(List temp,
                           int start,
                           int size)

uniqList

public static void uniqList(List list)

iterateList

public static <K> List iterateList(List<K> list,
                                   WowCollections.ListIterator<K> listIterator)

iterate_list

public static <K> List iterate_list(List<K> list,
                                    WowCollections.ListIterator<K> listIterator)