Package org.aoju.bus.core.map

Class MapBuilder<K,V>

java.lang.Object

org.aoju.bus.core.map.MapBuilder<K,V>

Type Parameters:

K - Key类型

V - Value类型

All Implemented Interfaces:

Serializable, Builder<Map<K,V>>

public class MapBuilder<K,V>
extends Object
implements Builder<Map<K,V>>

Map创建类

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.aoju.bus.core.builder.Builder

Builder.HashKey

Constructor Summary

Constructors

Constructor	Description
MapBuilder(Map<K,V> map)	链式Map创建类

Method Summary

Modifier and Type	Method	Description
Map<K,V>	build()	创建后的map
MapBuilder<K,V>	clear()	清空Map
String	join(String separator, String keyValueSeparator)	将map转成字符串
String	join(String separator, String keyValueSeparator, boolean isIgnoreNull)	将map转成字符串
String	joinIgnoreNull(String separator, String keyValueSeparator)	将map转成字符串
Map<K,V>	map()	创建后的map
static <K, V> MapBuilder<K,V>	of()	创建Builder，默认HashMap实现
static <K, V> MapBuilder<K,V>	of(boolean isLinked)	创建Builder
static <K, V> MapBuilder<K,V>	of(Map<K,V> map)	创建Builder
MapBuilder<K,V>	put(boolean condition, K k, Supplier<V> supplier)	链式Map创建
MapBuilder<K,V>	put(boolean condition, K k, V v)	链式Map创建
MapBuilder<K,V>	put(K k, V v)	链式Map创建
MapBuilder<K,V>	putAll(Map<K,V> map)	链式Map创建

Methods inherited from class java.lang.Object

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

Constructor Details

MapBuilder

public MapBuilder(Map<K,V> map)

链式Map创建类

Parameters:

map - 要使用的Map实现类

Method Details

of

public static <K,
V> MapBuilder<K,V> of()

创建Builder，默认HashMap实现

Type Parameters:

K - Key类型

V - Value类型

Returns:

this

of

public static <K,
V> MapBuilder<K,V> of(boolean isLinked)

创建Builder

Type Parameters:

K - Key类型

V - Value类型

Parameters:

isLinked - true创建LinkedHashMap，false创建HashMap

Returns:

this

of

public static <K,
V> MapBuilder<K,V> of(Map<K,V> map)

创建Builder

Type Parameters:

K - Key类型

V - Value类型

Parameters:

map - Map实体类

Returns:

this

put

public MapBuilder<K,V> put(K k,
 V v)

链式Map创建

Parameters:

k - Key类型

v - Value类型

Returns:

this

put

public MapBuilder<K,V> put(boolean condition,
 K k,
 V v)

链式Map创建

Parameters:

condition - put条件

k - Key类型

v - Value类型

Returns:

this

put

public MapBuilder<K,V> put(boolean condition,
 K k,
 Supplier<V> supplier)

链式Map创建

Parameters:

condition - put条件

k - Key类型

supplier - Value类型结果提供方

Returns:

this

putAll

public MapBuilder<K,V> putAll(Map<K,V> map)

链式Map创建

Parameters:

map - 合并map

Returns:

this

clear

public MapBuilder<K,V> clear()

清空Map

Returns:

this

map

public Map<K,V> map()

创建后的map

Returns:

创建后的map

build

public Map<K,V> build()

创建后的map

Specified by:

build in interface Builder<K>

Returns:

创建后的map

join

public String join(String separator,
 String keyValueSeparator)

将map转成字符串

Parameters:

separator - entry之间的连接符

keyValueSeparator - kv之间的连接符

Returns:

连接字符串

joinIgnoreNull

public String joinIgnoreNull(String separator,
 String keyValueSeparator)

将map转成字符串

Parameters:

separator - entry之间的连接符

keyValueSeparator - kv之间的连接符

Returns:

连接后的字符串

join

public String join(String separator,
 String keyValueSeparator,
 boolean isIgnoreNull)

将map转成字符串

Parameters:

separator - entry之间的连接符

keyValueSeparator - kv之间的连接符

isIgnoreNull - 是否忽略null的键和值

Returns:

连接后的字符串