org.apache.flume.node

Class EnvVarResolverProperties

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable<Object,Object>

java.util.Properties

org.apache.flume.node.EnvVarResolverProperties

All Implemented Interfaces:

Serializable, Cloneable, Map<Object,Object>

public class EnvVarResolverProperties
extends Properties

A class that extends the Java built-in Properties overriding Properties.getProperty(String) to allow ${ENV_VAR_NAME}-style environment variable inclusions

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.Properties

defaults

Constructor Summary

Constructors

Constructor and Description
EnvVarResolverProperties()

Method Summary

Modifier and Type	Method and Description
String	getProperty(String key)
protected static String	resolveEnvVars(String input)

Methods inherited from class java.util.Properties

getProperty, list, list, load, load, loadFromXML, propertyNames, save, setProperty, store, store, storeToXML, storeToXML, stringPropertyNames

Methods inherited from class java.util.Hashtable

clear, clone, compute, computeIfAbsent, computeIfPresent, contains, containsKey, containsValue, elements, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keys, keySet, merge, put, putAll, putIfAbsent, rehash, remove, remove, replace, replace, replaceAll, size, toString, values

Methods inherited from class java.lang.Object

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

Constructor Detail

EnvVarResolverProperties

public EnvVarResolverProperties()

Method Detail

resolveEnvVars

protected static String resolveEnvVars(String input)

Parameters:

input - The input string with ${ENV_VAR_NAME}-style environment variable names

Returns:

The output string with ${ENV_VAR_NAME} replaced with their environment variable values

getProperty

public String getProperty(String key)

Overrides:

getProperty in class Properties

Parameters:

key - the property key

Returns:

the value of the property key with ${ENV_VAR_NAME}-style environment variables replaced