Package org.springframework.core.env

Class MapPropertySource

java.lang.Object

org.springframework.core.env.PropertySource<T>

org.springframework.core.env.EnumerablePropertySource<Map<String,Object>>

org.springframework.core.env.MapPropertySource

Direct Known Subclasses:

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.

Since:

3.1

Author:

Chris Beams, Juergen Hoeller

See Also:

• PropertiesPropertySource

Nested Class Summary

Nested classes/interfaces inherited from class org.springframework.core.env.PropertySource

PropertySource.StubPropertySource

Field Summary

Fields inherited from class org.springframework.core.env.PropertySource

logger, name, source

Constructor Summary

Constructors

Constructor	Description
MapPropertySource(String name, Map<String,Object> source)	Create a new MapPropertySource with the given name and Map.

Method Summary

Modifier and Type	Method	Description
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).

Methods inherited from class org.springframework.core.env.PropertySource

equals, getName, getSource, hashCode, named, toString

Methods inherited from class java.lang.Object

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

Constructor Details

MapPropertySource

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

Create a new MapPropertySource with the given name and Map.

Parameters:

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)

Method Details

getProperty

@Nullable
public Object getProperty(String name)

Description copied from class: PropertySource

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

Specified by:

getProperty in class PropertySource<Map<String,Object>>

Parameters:

name - the property to find

See Also:

• PropertyResolver.getRequiredProperty(String)

containsProperty

public boolean containsProperty(String name)

Description copied from class: 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.

Overrides:

containsProperty in class EnumerablePropertySource<Map<String,Object>>

Parameters:

name - the name of the property to find

getPropertyNames

public String[] getPropertyNames()

Description copied from class: EnumerablePropertySource

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

Specified by:

getPropertyNames in class EnumerablePropertySource<Map<String,Object>>