SecureSettings (elasticsearch-extend 3.2 API)

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

KeyStoreWrapper
```
public interface SecureSettings
extends Closeable
```
An accessor for settings which are securely stored. See SecureSetting.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`close()`
`InputStream`	`getFile(String setting)`	Return a file setting.
`Set<String>`	`getSettingNames()`	Returns the names of all secure settings available.
`byte[]`	`getSHA256Digest(String setting)`
`SecureString`	`getString(String setting)`	Return a string setting.
`boolean`	`isLoaded()`	Returns true iff the settings are loaded and retrievable.

- Method Detail
  - isLoaded
```
boolean isLoaded()
```
    Returns true iff the settings are loaded and retrievable.
  - getSettingNames
```
Set<String> getSettingNames()
```
    Returns the names of all secure settings available.
  - getString
```
SecureString getString(String setting)
                throws GeneralSecurityException
```
    Return a string setting. The SecureString should be closed once it is used.
    
    Throws:
    
    GeneralSecurityException
  - getFile
```
InputStream getFile(String setting)
             throws GeneralSecurityException
```
    Return a file setting. The InputStream should be closed once it is used.
    
    Throws:
    
    GeneralSecurityException
  - getSHA256Digest
```
byte[] getSHA256Digest(String setting)
                throws GeneralSecurityException
```
    Throws:
    
    GeneralSecurityException
  - close
```
void close()
    throws IOException
```
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface Closeable
    
    Throws:
    
    IOException