JhoveMessage (JHOVE Core 1.26.0 API)

```
public interface JhoveMessage
```
Interface that defines behaviour of JhoveMessages. These messages have a unique string identifier as well as the previous message and sub-message strings.

Author:

Carl Wilson carlwilson AT github

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getId()`	Get the unique, persistent message identifier.
`String`	`getMessage()`	Get the main message
`String`	`getSubMessage()`	Get the sub-message
`boolean`	`hasSubMessage()`	Test whether the message has a sub-message

- Method Detail
  - getId
```
String getId()
```
    Get the unique, persistent message identifier.
    
    Returns:
    
    the String message id.
  - getMessage
```
String getMessage()
```
    Get the main message
    
    Returns:
    
    the String message
  - hasSubMessage
```
boolean hasSubMessage()
```
    Test whether the message has a sub-message
    
    Returns:
    
    true if the message has a sub-message
  - getSubMessage
```
String getSubMessage()
```
    Get the sub-message
    
    Returns:
    
    the String sub-message