org.apache.logging.log4j.util

Class SystemPropertiesPropertySource

java.lang.Object

org.apache.logging.log4j.util.SystemPropertiesPropertySource

All Implemented Interfaces:

PropertySource

public class SystemPropertiesPropertySource
extends java.lang.Object
implements PropertySource

PropertySource backed by the current system properties. Other than having a higher priority over normal properties, this follows the same rules as PropertiesPropertySource.

Since:

2.10.0

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.logging.log4j.util.PropertySource

PropertySource.Comparator, PropertySource.Util

Field Summary

Fields

Modifier and Type	Field and Description
private static int	DEFAULT_PRIORITY
private static java.lang.String	PREFIX

Constructor Summary

Constructors

Constructor and Description
SystemPropertiesPropertySource()

Method Summary

Modifier and Type	Method and Description
void	forEach(BiConsumer<java.lang.String,java.lang.String> action) Iterates over all properties and performs an action for each key/value pair.
java.lang.CharSequence	getNormalForm(java.lang.Iterable<? extends java.lang.CharSequence> tokens) Converts a list of property name tokens into a normal form.
int	getPriority() Returns the order in which this PropertySource has priority.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.logging.log4j.util.PropertySource

containsProperty, getProperty

Field Detail

DEFAULT_PRIORITY

private static final int DEFAULT_PRIORITY

See Also:

Constant Field Values

PREFIX

private static final java.lang.String PREFIX

See Also:

Constant Field Values

Constructor Detail

SystemPropertiesPropertySource

public SystemPropertiesPropertySource()

Method Detail

getPriority

public int getPriority()

Description copied from interface: PropertySource

Returns the order in which this PropertySource has priority. A higher value means that the source will be applied later so as to take precedence over other property sources.

Specified by:

getPriority in interface PropertySource

Returns:

priority value

forEach

public void forEach(BiConsumer<java.lang.String,java.lang.String> action)

Description copied from interface: PropertySource

Iterates over all properties and performs an action for each key/value pair.

Specified by:

forEach in interface PropertySource

Parameters:

action - action to perform on each key/value pair

getNormalForm

public java.lang.CharSequence getNormalForm(java.lang.Iterable<? extends java.lang.CharSequence> tokens)

Description copied from interface: PropertySource

Converts a list of property name tokens into a normal form. For example, a list of tokens such as "foo", "bar", "baz", might be normalized into the property name "log4j2.fooBarBaz".

Specified by:

getNormalForm in interface PropertySource

Parameters:

tokens - list of property name tokens

Returns:

a normalized property name using the given tokens