BindEnv4J/dev.juanvega.bindenv4j.reader/EnvReader/read

read

abstract fun <T> read(key: String, targetType: Class<T>): Optional<T>(source)

Reads an environment variable and converts it to the specified type.

Return

an Optional containing the value of the environment variable, or empty if the variable is not set

Parameters

key

the name of the environment variable

targetType

the type to convert the value to

open fun <T> read(key: String, targetType: Class<T>, defaultValue: T): T(source)

Reads an environment variable and converts it to the specified type, returning a default value if the variable is not set.

Return

the value of the environment variable, or the default value if the variable is not set

Parameters

key

the name of the environment variable

targetType

the type to convert the value to

defaultValue

the default value to return if the environment variable is not set