Class StandardConstructor.ConstructEnv
java.lang.Object
org.snakeyaml.engine.v2.constructor.ConstructScalar
org.snakeyaml.engine.v2.constructor.StandardConstructor.ConstructEnv
- All Implemented Interfaces:
ConstructNode
- Enclosing class:
StandardConstructor
Construct scalar for format ${VARIABLE} replacing the template with the value from environment.
- See Also:
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Field Summary
Fields inherited from class org.snakeyaml.engine.v2.constructor.ConstructScalar
BOOL_VALUES
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionImplement the logic for missing and unset variablesConstruct a Java instance with all the properties injected when it is possible.Get value of the environment variableMethods inherited from class org.snakeyaml.engine.v2.constructor.ConstructScalar
constructScalar
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.snakeyaml.engine.v2.api.ConstructNode
constructRecursive
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Constructor Details
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ConstructEnv
public ConstructEnv()
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Method Details
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construct
Description copied from interface:ConstructNode
Construct a Java instance with all the properties injected when it is possible.- Parameters:
node
- composed Node- Returns:
- a complete Java instance or empty collection instance if it is recursive
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apply
Implement the logic for missing and unset variables- Parameters:
name
- - variable name in the templateseparator
- - separator in the template, can be :-, -, :?, ?value
- - default value or the error in the templateenvironment
- - the value from environment for the provided variable- Returns:
- the value to apply in the template
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getEnv
Get value of the environment variable- Parameters:
key
- - the name of the variable- Returns:
- value or null if not set
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