程序包 cn.taketoday.core.env

类 MapPropertySource

java.lang.Object

cn.taketoday.core.env.PropertySource<T>

cn.taketoday.core.env.EnumerablePropertySource<Map<String,Object>>

cn.taketoday.core.env.MapPropertySource

直接已知子类:

MutableMapPropertySource, PropertiesPropertySource, SystemEnvironmentPropertySource

public class MapPropertySource
extends EnumerablePropertySource<Map<String,Object>>

PropertySource that reads keys and values from a Map object. The underlying map should not contain any null values in order to comply with getProperty(java.lang.String) and containsProperty(java.lang.String) semantics.

从以下版本开始:

4.0

作者:

Chris Beams, Juergen Hoeller

另请参阅:

• PropertiesPropertySource

嵌套类概要

从类继承的嵌套类/接口 cn.taketoday.core.env.PropertySource

PropertySource.StubPropertySource

字段概要

从类继承的字段 cn.taketoday.core.env.PropertySource

name, source

构造器概要

构造器

构造器	说明
MapPropertySource(String name, Map<String,Object> source)	Create a new MapPropertySource with the given name and Map.

方法概要

修饰符和类型	方法	说明
boolean	containsProperty(String name)	Return whether this PropertySource contains a property with the given name.
Object	getProperty(String name)	Return the value associated with the given name, or null if not found.
String[]	getPropertyNames()	Return the names of all properties contained by the source object (never null).

从类继承的方法 cn.taketoday.core.env.PropertySource

equals, getName, getSource, hashCode, named, toString

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

MapPropertySource

public MapPropertySource(String name,
 Map<String,Object> source)

Create a new MapPropertySource with the given name and Map.

参数:

name - the associated name

source - the Map source (without null values in order to get consistent getProperty(java.lang.String) and containsProperty(java.lang.String) behavior)

方法详细资料

getProperty

@Nullable
public Object getProperty(String name)

从类复制的说明: PropertySource

Return the value associated with the given name, or null if not found.

指定者:

getProperty 在类中 PropertySource<Map<String,Object>>

参数:

name - the property to find

另请参阅:

• PropertyResolver.getRequiredProperty(String)

containsProperty

public boolean containsProperty(String name)

从类复制的说明: EnumerablePropertySource

Return whether this PropertySource contains a property with the given name.

This implementation checks for the presence of the given name within the EnumerablePropertySource.getPropertyNames() array.

覆盖:

containsProperty 在类中 EnumerablePropertySource<Map<String,Object>>

参数:

name - the name of the property to find

getPropertyNames

public String[] getPropertyNames()

从类复制的说明: EnumerablePropertySource

Return the names of all properties contained by the source object (never null).

指定者:

getPropertyNames 在类中 EnumerablePropertySource<Map<String,Object>>