jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javap/AnnotationWriter.java@03944ee4fac4

6843077: JSR 308: Annotations on types
Reviewed-by: jjg, mcimadamore, darcy
Contributed-by: mernst@cs.washington.edu, mali@csail.mit.edu, mpapi@csail.mit.edu

     1 /*

     2  * Copyright 2007-2008 Sun Microsystems, Inc.  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.  Sun designates this

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

     9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    26 package com.sun.tools.javap;

    28 import com.sun.tools.classfile.Annotation;

    29 import com.sun.tools.classfile.ExtendedAnnotation;

    30 import com.sun.tools.classfile.Annotation.Annotation_element_value;

    31 import com.sun.tools.classfile.Annotation.Array_element_value;

    32 import com.sun.tools.classfile.Annotation.Class_element_value;

    33 import com.sun.tools.classfile.Annotation.Enum_element_value;

    34 import com.sun.tools.classfile.Annotation.Primitive_element_value;

    36 /**

    37  *  A writer for writing annotations as text.

    38  *

    39  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If

    40  *  you write code that depends on this, you do so at your own risk.

    41  *  This code and its internal interfaces are subject to change or

    42  *  deletion without notice.</b>

    43  */

    44 public class AnnotationWriter extends BasicWriter {

    45     static AnnotationWriter instance(Context context) {

    46         AnnotationWriter instance = context.get(AnnotationWriter.class);

    47         if (instance == null)

    48             instance = new AnnotationWriter(context);

    49         return instance;

    50     }

    52     protected AnnotationWriter(Context context) {

    53         super(context);

    54     }

    56     public void write(Annotation annot) {

    57         print("#" + annot.type_index + "(");

    58         for (int i = 0; i < annot.num_element_value_pairs; i++) {

    59             if (i > 0)

    60                 print(",");

    61             write(annot.element_value_pairs[i]);

    62         }

    63         print(")");

    64     }

    66     public void write(ExtendedAnnotation annot) {

    67         write(annot.annotation);

    68         print('@');

    69         print(annot.position.toString());

    70     }

    72     public void write(Annotation.element_value_pair pair) {

    73         print("#" + pair.element_name_index + ":");

    74         write(pair.value);

    75     }

    77     public void write(Annotation.element_value value) {

    78         ev_writer.write(value);

    79     }

    81     element_value_Writer ev_writer = new element_value_Writer();

    83     class element_value_Writer implements Annotation.element_value.Visitor<Void,Void> {

    84         public void write(Annotation.element_value value) {

    85             value.accept(this, null);

    86         }

    88         public Void visitPrimitive(Primitive_element_value ev, Void p) {

    89             print(((char) ev.tag) + "#" + ev.const_value_index);

    90             return null;

    91         }

    93         public Void visitEnum(Enum_element_value ev, Void p) {

    94             print(((char) ev.tag) + "#" + ev.type_name_index + ".#" + ev.const_name_index);

    95             return null;

    96         }

    98         public Void visitClass(Class_element_value ev, Void p) {

    99             print(((char) ev.tag) + "#" + ev.class_info_index);

   100             return null;

   101         }

   103         public Void visitAnnotation(Annotation_element_value ev, Void p) {

   104             print((char) ev.tag);

   105             AnnotationWriter.this.write(ev.annotation_value);

   106             return null;

   107         }

   109         public Void visitArray(Array_element_value ev, Void p) {

   110             print("[");

   111             for (int i = 0; i < ev.num_values; i++) {

   112                 if (i > 0)

   113                     print(",");

   114                 write(ev.values[i]);

   115             }

   116             print("]");

   117             return null;

   118         }

   120     }

   121 }

Mercurial > jdk8-mips64-public > langtools / file revision

src/share/classes/com/sun/tools/javap/AnnotationWriter.java@03944ee4fac4

src/share/classes/com/sun/tools/javap/AnnotationWriter.java