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javax.annotation.processing

Interface Messager

Contents

  • 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 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

Document created the 11/06/2005, last modified the 04/03/2020
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