org.microbean.configuration.spi

Class EnvironmentVariablesConfiguration

java.lang.Object

org.microbean.configuration.spi.AbstractConfiguration

org.microbean.configuration.spi.EnvironmentVariablesConfiguration

All Implemented Interfaces:

Serializable, Configuration, Ranked

public final class EnvironmentVariablesConfiguration
extends AbstractConfiguration
implements Ranked, Serializable

An AbstractConfiguration providing access to environment variabes.

Author:

Laird Nelson

See Also:

getValue(Map, String), Serialized Form

Constructor Summary

Constructors

Constructor and Description
EnvironmentVariablesConfiguration() Creates a new EnvironmentVariablesConfiguration.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other)
Set<String>	getNames() Returns a Set of the names of all ConfigurationValues that might be returned by this Configuration.
int	getRank()
ConfigurationValue	getValue(Map<String,String> coordinates, String name) Returns a ConfigurationValue representing the environment variable identified by the supplied name, or null.
int	hashCode()
String	toString()

Methods inherited from class org.microbean.configuration.spi.AbstractConfiguration

getConfigurations, setConfigurations

Methods inherited from class java.lang.Object

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

Constructor Detail

EnvironmentVariablesConfiguration

public EnvironmentVariablesConfiguration()

Creates a new EnvironmentVariablesConfiguration.

Method Detail

getRank

public final int getRank()

Specified by:

getRank in interface Ranked

getValue

public final ConfigurationValue getValue(Map<String,String> coordinates,
                                         String name)

Returns a ConfigurationValue representing the environment variable identified by the supplied name, or null.

Specified by:

getValue in interface Configuration

Parameters:

coordinates - the configuration coordinates in effect for the current request; may be null

name - the name of the configuration property for which to return a ConfigurationValue; may be null

Returns:

a ConfigurationValue, or null

See Also:

ConfigurationValue

getNames

public final Set<String> getNames()

Returns a Set of the names of all ConfigurationValues that might be returned by this Configuration.

This implementation does not return null.

This implementation returns the equivalent of System.getenv().keySet().

Specified by:

getNames in interface Configuration

Returns:

a non-null Set of names

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

equals

public final boolean equals(Object other)

Overrides:

equals in class Object

toString

public final String toString()

Overrides:

toString in class Object