PropertiesExpander (checkstyle 10.20.1 API)

java.lang.Object
- com.puppycrawl.tools.checkstyle.PropertiesExpander

All Implemented Interfaces:

PropertyResolver
```
public final class PropertiesExpander
extends Object
implements PropertyResolver
```
Resolves external properties from an underlying Properties object.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  private Map<String,String> values
  The underlying values.
- Constructor Summary
  
  Constructors
  Constructor Description
  
  PropertiesExpander(Properties properties)
  Creates a new PropertiesExpander.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  String resolve(String name)
  Resolves a property name to its value.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - values
```
private final Map<String,String> values
```
    The underlying values.
- Constructor Detail
  - PropertiesExpander
```
public PropertiesExpander(Properties properties)
```
    Creates a new PropertiesExpander.
    
    Parameters:
    
    properties - the underlying properties to use for property resolution.
    
    Throws:
    
    IllegalArgumentException - when properties argument is null
- Method Detail
  - resolve
```
public String resolve(String name)
```
    Description copied from interface: PropertyResolver
    
    Resolves a property name to its value.
    
    Specified by:
    
    resolve in interface PropertyResolver
    
    Parameters:
    
    name - the name of the property.
    
    Returns:
    
    the value that is associated with propertyName.