Java Module java.compiler Package javax.annotation.processing Interface Messager（JDK11）

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```
public interface Messager
```
A Messager provides the way for an annotation processor to report error messages, warnings, and other notices. Elements, annotations, and annotation values can be passed to provide a location hint for the message. However, such location hints may be unavailable or only approximate.
Printing a message with an error kind will raise an error.

Note that the messages "printed" by methods in this interface may or may not appear as textual output to a location like System.out or System.err. Implementations may choose to present this information in a different fashion, such as messages in a window.

Since:

1.6

See Also:

ProcessingEnvironment.getLocale()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`printMessage(Diagnostic.Kind kind, CharSequence msg)`	Prints a message of the specified kind.
`void`	`printMessage(Diagnostic.Kind kind, CharSequence msg, Element e)`	Prints a message of the specified kind at the location of the element.
`void`	`printMessage(Diagnostic.Kind kind, CharSequence msg, Element e, AnnotationMirror a)`	Prints a message of the specified kind at the location of the annotation mirror of the annotated element.
`void`	`printMessage(Diagnostic.Kind kind, CharSequence msg, Element e, AnnotationMirror a, AnnotationValue v)`	Prints a message of the specified kind at the location of the annotation value inside the annotation mirror of the annotated element.

- Method Detail
  - printMessage
```
void printMessage(Diagnostic.Kind kind,
                  CharSequence msg)
```
    Prints a message of the specified kind.
    
    Parameters:
    
    kind - the kind of message
    
    msg - the message, or an empty string if none
  - printMessage
```
void printMessage(Diagnostic.Kind kind,
                  CharSequence msg,
                  Element e)
```
    Prints a message of the specified kind at the location of the element.
    
    Parameters:
    
    kind - the kind of message
    
    msg - the message, or an empty string if none
    
    e - the element to use as a position hint
  - printMessage
```
void printMessage(Diagnostic.Kind kind,
                  CharSequence msg,
                  Element e,
                  AnnotationMirror a)
```
    Prints a message of the specified kind at the location of the annotation mirror of the annotated element.
    
    Parameters:
    
    kind - the kind of message
    
    msg - the message, or an empty string if none
    
    e - the annotated element
    
    a - the annotation to use as a position hint
  - printMessage
```
void printMessage(Diagnostic.Kind kind,
                  CharSequence msg,
                  Element e,
                  AnnotationMirror a,
                  AnnotationValue v)
```
    Prints a message of the specified kind at the location of the annotation value inside the annotation mirror of the annotated element.
    
    Parameters:
    
    kind - the kind of message
    
    msg - the message, or an empty string if none
    
    e - the annotated element
    
    a - the annotation containing the annotation value
    
    v - the annotation value to use as a position hint

Java Module java.compiler Package javax.annotation.processing Interface Messager（JDK11）

Interface Messager

Method Summary

Method Detail

printMessage

printMessage

printMessage

printMessage