jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javadoc/AnnotationValueImpl.java@c002fdee76fd (annotated)

src/share/classes/com/sun/tools/javadoc/AnnotationValueImpl.java@c002fdee76fd (annotated)

src/share/classes/com/sun/tools/javadoc/AnnotationValueImpl.java

Thu, 25 Oct 2012 11:09:36 -0700

author: jjg
date: Thu, 25 Oct 2012 11:09:36 -0700
changeset 1374: c002fdee76fd
parent 1359: 25e14ad23cef
child 1755: ddb4a2bfcd82
permissions: -rw-r--r--

7200915: convert TypeTags from a series of small ints to an enum
Reviewed-by: jjg, mcimadamore
Contributed-by: vicente.romero@oracle.com

 /*
  * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.javadoc;
 import com.sun.javadoc.*;
 import com.sun.tools.javac.code.Attribute;
 import com.sun.tools.javac.code.Symbol.*;
 import static com.sun.tools.javac.code.TypeTag.BOOLEAN;
 /**
  * Represents a value of an annotation type element.
  *
  *  <p><b>This is NOT part of any supported API.
  *  If you write code that depends on this, you do so at your own risk.
  *  This code and its internal interfaces are subject to change or
  *  deletion without notice.</b>
  *
  * @author Scott Seligman
  * @since 1.5
  */
 public class AnnotationValueImpl implements AnnotationValue {
     private final DocEnv env;
     private final Attribute attr;
     AnnotationValueImpl(DocEnv env, Attribute attr) {
         this.env = env;
         this.attr = attr;
     }
     /**
      * Returns the value.
      * The type of the returned object is one of the following:
      * <ul><li> a wrapper class for a primitive type
      *     <li> <code>String</code>
      *     <li> <code>Type</code> (representing a class literal)
      *     <li> <code>FieldDoc</code> (representing an enum constant)
      *     <li> <code>AnnotationDesc</code>
      *     <li> <code>AnnotationValue[]</code>
      * </ul>
      */
     public Object value() {
         ValueVisitor vv = new ValueVisitor();
         attr.accept(vv);
         return vv.value;
     }
     private class ValueVisitor implements Attribute.Visitor {
         public Object value;
         public void visitConstant(Attribute.Constant c) {
             if (c.type.hasTag(BOOLEAN)) {
                 // javac represents false and true as integers 0 and 1
                 value = Boolean.valueOf(
                                 ((Integer)c.value).intValue() != 0);
             } else {
                 value = c.value;
             }
         }
         public void visitClass(Attribute.Class c) {
             value = TypeMaker.getType(env,
                                       env.types.erasure(c.classType));
         }
         public void visitEnum(Attribute.Enum e) {
             value = env.getFieldDoc(e.value);
         }
         public void visitCompound(Attribute.Compound c) {
             value = new AnnotationDescImpl(env, c);
         }
         public void visitArray(Attribute.Array a) {
             AnnotationValue vals[] = new AnnotationValue[a.values.length];
             for (int i = 0; i < vals.length; i++) {
                 vals[i] = new AnnotationValueImpl(env, a.values[i]);
             }
             value = vals;
         }
         public void visitError(Attribute.Error e) {
             value = "<error>";
         }
     }
     /**
      * Returns a string representation of the value.
      *
      * @return the text of a Java language annotation value expression
      *          whose value is the value of this annotation type element.
      */
     @Override
     public String toString() {
         ToStringVisitor tv = new ToStringVisitor();
         attr.accept(tv);
         return tv.toString();
     }
     private class ToStringVisitor implements Attribute.Visitor {
         private final StringBuilder sb = new StringBuilder();
         @Override
         public String toString() {
             return sb.toString();
         }
         public void visitConstant(Attribute.Constant c) {
             if (c.type.hasTag(BOOLEAN)) {
                 // javac represents false and true as integers 0 and 1
                 sb.append(((Integer)c.value).intValue() != 0);
             } else {
                 sb.append(FieldDocImpl.constantValueExpression(c.value));
             }
         }
         public void visitClass(Attribute.Class c) {
             sb.append(c);
         }
         public void visitEnum(Attribute.Enum e) {
             sb.append(e);
         }
         public void visitCompound(Attribute.Compound c) {
             sb.append(new AnnotationDescImpl(env, c));
         }
         public void visitArray(Attribute.Array a) {
             // Omit braces from singleton.
             if (a.values.length != 1) sb.append('{');
             boolean first = true;
             for (Attribute elem : a.values) {
                 if (first) {
                     first = false;
                 } else {
                     sb.append(", ");
                 }
                 elem.accept(this);
             }
             // Omit braces from singleton.
             if (a.values.length != 1) sb.append('}');
         }
         public void visitError(Attribute.Error e) {
             sb.append("<error>");
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javadoc/AnnotationValueImpl.java@c002fdee76fd (annotated)

src/share/classes/com/sun/tools/javadoc/AnnotationValueImpl.java