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

changeset 46
7708bd6d800d
child 54
eaf608c64fec
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/classes/com/sun/tools/javap/AnnotationWriter.java	Tue Jun 03 13:26:47 2008 -0700
     1.3 @@ -0,0 +1,114 @@
     1.4 +/*
     1.5 + * Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Sun designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Sun in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.26 + * have any questions.
    1.27 + */
    1.28 +
    1.29 +package com.sun.tools.javap;
    1.30 +
    1.31 +import com.sun.tools.classfile.Annotation;
    1.32 +import com.sun.tools.classfile.Annotation.Annotation_element_value;
    1.33 +import com.sun.tools.classfile.Annotation.Array_element_value;
    1.34 +import com.sun.tools.classfile.Annotation.Class_element_value;
    1.35 +import com.sun.tools.classfile.Annotation.Enum_element_value;
    1.36 +import com.sun.tools.classfile.Annotation.Primitive_element_value;
    1.37 +
    1.38 +/**
    1.39 + *  A writer for writing annotations as text.
    1.40 + *
    1.41 + *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
    1.42 + *  you write code that depends on this, you do so at your own risk.
    1.43 + *  This code and its internal interfaces are subject to change or
    1.44 + *  deletion without notice.</b>
    1.45 + */
    1.46 +public class AnnotationWriter extends BasicWriter {
    1.47 +    static AnnotationWriter instance(Context context) {
    1.48 +        AnnotationWriter instance = context.get(AnnotationWriter.class);
    1.49 +        if (instance == null)
    1.50 +            instance = new AnnotationWriter(context);
    1.51 +        return instance;
    1.52 +    }
    1.53 +
    1.54 +    protected AnnotationWriter(Context context) {
    1.55 +        super(context);
    1.56 +    }
    1.57 +
    1.58 +    public void write(Annotation annot) {
    1.59 +        print("#" + annot.type_index + "(");
    1.60 +        for (int i = 0; i < annot.num_element_value_pairs; i++) {
    1.61 +            if (i > 0)
    1.62 +                print(",");
    1.63 +            write(annot.element_value_pairs[i]);
    1.64 +        }
    1.65 +        print(")");
    1.66 +    }
    1.67 +
    1.68 +    public void write(Annotation.element_value_pair pair) {
    1.69 +        print("#" + pair.element_name_index + ":");
    1.70 +        write(pair.value);
    1.71 +    }
    1.72 +
    1.73 +    public void write(Annotation.element_value value) {
    1.74 +        ev_writer.write(value);
    1.75 +    }
    1.76 +
    1.77 +    element_value_Writer ev_writer = new element_value_Writer();
    1.78 +
    1.79 +    class element_value_Writer implements Annotation.element_value.Visitor<Void,Void> {
    1.80 +        public void write(Annotation.element_value value) {
    1.81 +            value.accept(this, null);
    1.82 +        }
    1.83 +
    1.84 +        public Void visitPrimitive(Primitive_element_value ev, Void p) {
    1.85 +            print(((char) ev.tag) + "#" + ev.const_value_index);
    1.86 +            return null;
    1.87 +        }
    1.88 +
    1.89 +        public Void visitEnum(Enum_element_value ev, Void p) {
    1.90 +            print(((char) ev.tag) + "#" + ev.type_name_index + ".#" + ev.const_name_index);
    1.91 +            return null;
    1.92 +        }
    1.93 +
    1.94 +        public Void visitClass(Class_element_value ev, Void p) {
    1.95 +            print(((char) ev.tag) + "#" + ev.class_info_index);
    1.96 +            return null;
    1.97 +        }
    1.98 +
    1.99 +        public Void visitAnnotation(Annotation_element_value ev, Void p) {
   1.100 +            print((char) ev.tag);
   1.101 +            AnnotationWriter.this.write(ev.annotation_value);
   1.102 +            return null;
   1.103 +        }
   1.104 +
   1.105 +        public Void visitArray(Array_element_value ev, Void p) {
   1.106 +            print("[");
   1.107 +            for (int i = 0; i < ev.num_values; i++) {
   1.108 +                if (i > 0)
   1.109 +                    print(",");
   1.110 +                write(ev.values[i]);
   1.111 +            }
   1.112 +            print("]");
   1.113 +            return null;
   1.114 +        }
   1.115 +
   1.116 +    }
   1.117 +}

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