PropertyLoader (property 4.3.1 API)

All Known Subinterfaces:

PropertyRegistry, SharedPropertyRegistry

All Known Implementing Classes:

CompositePropertyLoader, FilePropertyLoader, SimplePropertyRegistry, SystemPropertyLoader
```
public interface PropertyLoader
```
A property loader is a map of properties. The keys and their corresponding values are strings.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getProperty(java.lang.String key)`	Gets the value mapped with the specified key.
`java.lang.String`	`getProperty(java.lang.String key, java.lang.String defaultValue)`	Gets the value mapped with the specified key or a default value.

- Method Detail
  - getProperty
```
@Nullable
java.lang.String getProperty(java.lang.String key)
```
    Gets the value mapped with the specified key.
    
    Parameters:
    
    key - the key.
    
    Returns:
    
    the value of the property, or null if the property is not found.
    
    Throws:
    
    java.lang.SecurityException - if a security manager exists and does not allow the caller to retrieve the given property.
  - getProperty
```
java.lang.String getProperty(java.lang.String key,
                             java.lang.String defaultValue)
```
    Gets the value mapped with the specified key or a default value.
    
    Parameters:
    
    key - the key.
    
    defaultValue - the default value.
    
    Returns:
    
    the value of the property, or the default value if the property is not found.
    
    Throws:
    
    java.lang.SecurityException - if a security manager exists and does not allow the caller to retrieve the given property.