InterpolationHelper (Dropwizard Validation Support 4.0.7 API)

java.lang.Object
- io.dropwizard.validation.InterpolationHelper

```
public final class InterpolationHelper
extends Object
```
Utilities used for message interpolation.

Since:

2.0.3

Author:

Guillaume Smet

Field Summary

Fields
Modifier and Type	Field	Description
`static char`	`BEGIN_TERM`	A constant representing the '{' character.
`static char`	`EL_DESIGNATOR`	A constant representing the '$' character.
`static char`	`END_TERM`	A constant representing the '}' character.
`static char`	`ESCAPE_CHARACTER`	A constant representing the '\' character.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static @Nullable String`	`escapeMessageParameter(@Nullable String messageParameter)`	Escapes a string with the `ESCAPE_MESSAGE_PARAMETER_PATTERN`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - BEGIN_TERM
```
public static final char BEGIN_TERM
```
    A constant representing the '{' character.
    
    See Also:
    
    Constant Field Values
  - END_TERM
```
public static final char END_TERM
```
    A constant representing the '}' character.
    
    See Also:
    
    Constant Field Values
  - EL_DESIGNATOR
```
public static final char EL_DESIGNATOR
```
    A constant representing the '$' character.
    
    See Also:
    
    Constant Field Values
  - ESCAPE_CHARACTER
```
public static final char ESCAPE_CHARACTER
```
    A constant representing the '\' character.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - escapeMessageParameter
```
public static @Nullable String escapeMessageParameter(@Nullable String messageParameter)
```
    Escapes a string with the ESCAPE_MESSAGE_PARAMETER_PATTERN.
    
    Parameters:
    
    messageParameter - the string to escape
    
    Returns:
    
    the escaped string or null, if the input was null