jdk8-mips64-public/langtools: src/share/classes/javax/annotation/processing/Messager.java@c75be5bc5283

     1 /*

     2  * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package javax.annotation.processing;

    28 import javax.annotation.*;

    29 import javax.tools.Diagnostic;

    30 import javax.lang.model.element.*;

    32 /**

    33  * A {@code Messager} provides the way for an annotation processor to

    34  * report error messages, warnings, and other notices.  Elements,

    35  * annotations, and annotation values can be passed to provide a

    36  * location hint for the message.  However, such location hints may be

    37  * unavailable or only approximate.

    38  *

    39  * <p>Printing a message with an {@linkplain

    40  * javax.tools.Diagnostic.Kind#ERROR error kind} will {@linkplain

    41  * RoundEnvironment#errorRaised raise an error}.

    42  *

    43  * <p>Note that the messages &quot;printed&quot; by methods in this

    44  * interface may or may not appear as textual output to a location

    45  * like {@link System#out} or {@link System#err}.  Implementations may

    46  * choose to present this information in a different fashion, such as

    47  * messages in a window.

    48  *

    49  * @author Joseph D. Darcy

    50  * @author Scott Seligman

    51  * @author Peter von der Ah&eacute;

    52  * @see ProcessingEnvironment#getLocale

    53  * @since 1.6

    54  */

    55 public interface Messager {

    56     /**

    57      * Prints a message of the specified kind.

    58      *

    59      * @param kind the kind of message

    60      * @param msg  the message, or an empty string if none

    61      */

    62     void printMessage(Diagnostic.Kind kind, CharSequence msg);

    64     /**

    65      * Prints a message of the specified kind at the location of the

    66      * element.

    67      *

    68      * @param kind the kind of message

    69      * @param msg  the message, or an empty string if none

    70      * @param e    the element to use as a position hint

    71      */

    72     void printMessage(Diagnostic.Kind kind, CharSequence msg, Element e);

    74     /**

    75      * Prints a message of the specified kind at the location of the

    76      * annotation mirror of the annotated element.

    77      *

    78      * @param kind the kind of message

    79      * @param msg  the message, or an empty string if none

    80      * @param e    the annotated element

    81      * @param a    the annotation to use as a position hint

    82      */

    83     void printMessage(Diagnostic.Kind kind, CharSequence msg, Element e, AnnotationMirror a);

    85     /**

    86      * Prints a message of the specified kind at the location of the

    87      * annotation value inside the annotation mirror of the annotated

    88      * element.

    89      *

    90      * @param kind the kind of message

    91      * @param msg  the message, or an empty string if none

    92      * @param e    the annotated element

    93      * @param a    the annotation containing the annotation value

    94      * @param v    the annotation value to use as a position hint

    95      */

    96     void printMessage(Diagnostic.Kind kind,

    97                       CharSequence msg,

    98                       Element e,

    99                       AnnotationMirror a,

   100                       AnnotationValue v);

   101 }

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