Package io.dropwizard.configuration

Class EnvironmentVariableLookup

java.lang.Object

org.apache.commons.text.StrLookup<Object>

io.dropwizard.configuration.EnvironmentVariableLookup

All Implemented Interfaces:

org.apache.commons.text.lookup.StringLookup

public class EnvironmentVariableLookup
extends org.apache.commons.text.StrLookup<Object>

A custom StrLookup implementation using environment variables as lookup source.

Constructor Summary

Constructors

Constructor	Description
EnvironmentVariableLookup()	Create a new instance with strict behavior.
EnvironmentVariableLookup(boolean strict)	Create a new instance.

Method Summary

Modifier and Type	Method	Description
String	lookup(String key)

Methods inherited from class org.apache.commons.text.StrLookup

mapLookup, noneLookup, resourceBundleLookup, systemPropertiesLookup

Methods inherited from class java.lang.Object

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

Constructor Detail

EnvironmentVariableLookup

public EnvironmentVariableLookup()

Create a new instance with strict behavior.

EnvironmentVariableLookup

public EnvironmentVariableLookup(boolean strict)

Create a new instance.

Parameters:

strict - true if looking up undefined environment variables should throw a UndefinedEnvironmentVariableException, false otherwise.

Throws:

UndefinedEnvironmentVariableException - if the environment variable doesn't exist and strict behavior is enabled.

Method Detail

lookup

public String lookup(String key)

Throws:

UndefinedEnvironmentVariableException - if the environment variable doesn't exist and strict behavior is enabled.