Module com.github.f4b6a3.uuid

Package com.github.f4b6a3.uuid.util.internal

Class SettingsUtil

java.lang.Object

com.github.f4b6a3.uuid.util.internal.SettingsUtil

public final class SettingsUtil
extends Object

Utility class that reads system properties and environment variables.

List of system properties:

• uuidcreator.node
• uuidcreator.securerandom

List of environment variables:

• UUIDCREATOR_NODE
• UUIDCREATOR_SECURERANDOM

System properties has prevalence over environment variables.

Field Summary

Fields

Modifier and Type	Field	Description
static String	PROPERTY_NODE	The property name for the node number.
protected static String	PROPERTY_PREFIX	The property name prefix.
static String	PROPERTY_SECURERANDOM	The property name for the secure random algorithm.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SettingsUtil()	Default constructor.

Method Summary

Modifier and Type	Method	Description
static void	clearProperty(String key)	Clear a property.
protected static String	getEnvinronmentName(String key)	Get an environment variable name.
static Long	getNodeIdentifier()	Get the node identifier.
static String	getProperty(String name)	Get a property.
protected static String	getPropertyName(String key)	Get a property name.
static String	getSecureRandom()	Get the secure random algorithm.
static void	setNodeIdentifier(Long node)	Set the node identifier
static void	setProperty(String key, String value)	Set a property.
static void	setSecureRandom(String algorithm)	Set the secure random algorithm

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_PREFIX

protected static final String PROPERTY_PREFIX

The property name prefix.

See Also:

Constant Field Values

PROPERTY_NODE

public static final String PROPERTY_NODE

The property name for the node number.

See Also:

Constant Field Values

PROPERTY_SECURERANDOM

public static final String PROPERTY_SECURERANDOM

The property name for the secure random algorithm.

See Also:

Constant Field Values

Constructor Detail

SettingsUtil

protected SettingsUtil()

Default constructor.

Method Detail

getNodeIdentifier

public static Long getNodeIdentifier()

Get the node identifier.

Returns:

a number

setNodeIdentifier

public static void setNodeIdentifier(Long node)

Set the node identifier

Parameters:

node - a number

getSecureRandom

public static String getSecureRandom()

Get the secure random algorithm.

Returns:

a string

setSecureRandom

public static void setSecureRandom(String algorithm)

Set the secure random algorithm

Parameters:

algorithm - a string

getProperty

public static String getProperty(String name)

Get a property.

Parameters:

name - the name

Returns:

a string

setProperty

public static void setProperty(String key,
                               String value)

Set a property.

Parameters:

key - the key

value - the value

clearProperty

public static void clearProperty(String key)

Clear a property.

Parameters:

key - the key

getPropertyName

protected static String getPropertyName(String key)

Get a property name.

Parameters:

key - a key

Returns:

a string

getEnvinronmentName

protected static String getEnvinronmentName(String key)

Get an environment variable name.

Parameters:

key - a key

Returns:

a string