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@@ -532,7 +532,7 @@ We also need a new field in the `ErrorDetail` class to hold errors. There may be
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```java
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@ExceptionHandler(MethodArgumentNotValidException.class)
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public ResponseEntity<?>
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-handleValidationError( MethodArgumentNotValidException manve,
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+handleValidationError(MethodArgumentNotValidException manve,
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HttpServletRequest request){...}
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```
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@@ -559,6 +559,9 @@ for(FieldError fe : fieldErrors) {
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}
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```
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+- Use an autowired `MessageSource` object in the `RestExceptionHandler` to set the message on ValidationError objects (ie: `setMessage(messageSource.getMessage(fe,null));` )
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+ - This object will be autowired (or injected) the same way your `CRUDRepository` instances are.
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## Part 5.7 - Externalize strings in a messages.properties file
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Commonly used strings in your Java program can be removed from the source code and placed in a separate file. This is called externalizing, and is useful for allowing changes to text displayed without impacting actual program logic. One example of where this is done is in internationalization, the practice of providing multilingual support in an application, allowing users to use an application in their native language.
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@@ -568,8 +571,7 @@ There are two steps needed here to externalize and standardize the validation er
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- Create a `messages.properties` file in the `src/main/resources` directory with the given properties below
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- `messages.properties` is a key-value file stored in plain text. Your IDE may have a table-based view or show the contents as text
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- `.properties` files are a common idiom in Java applications; they contain additional information the application uses that doesn't impact the actual source code.
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-- Use an autowired `MessageSource` object in the `RestExceptionHandler` to set the message on ValidationError objects (ie: `setMessage(messageSource.getMessage(fe,null));` )
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- - This object will be autowired (or injected) the same way your `CRUDRepository` instances are.
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+
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**`messages.properties` content**:
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