1 /*
   2  * Copyright 2004-2005 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  */
  25 
  26 package com.sun.tools.apt.mirror.declaration;
  27 
  28 
  29 import java.util.Collection;
  30 import java.util.ArrayList;
  31 
  32 import com.sun.mirror.declaration.*;
  33 import com.sun.mirror.type.TypeMirror;
  34 import com.sun.mirror.util.DeclarationVisitor;
  35 import com.sun.tools.apt.mirror.AptEnv;
  36 import com.sun.tools.javac.code.Symbol.*;
  37 import com.sun.tools.javac.code.TypeTags;
  38 
  39 
  40 /**
  41  * Implementation of FieldDeclaration
  42  */
  43 
  44 class FieldDeclarationImpl extends MemberDeclarationImpl
  45                                   implements FieldDeclaration {
  46 
  47     protected VarSymbol sym;
  48 
  49     FieldDeclarationImpl(AptEnv env, VarSymbol sym) {
  50         super(env, sym);
  51         this.sym = sym;
  52     }
  53 
  54 
  55     /**
  56      * Returns the field's name.
  57      */
  58     public String toString() {
  59         return getSimpleName();
  60     }
  61 
  62     /**
  63      * {@inheritDoc}
  64      */
  65     public TypeMirror getType() {
  66         return env.typeMaker.getType(sym.type);
  67     }
  68 
  69     /**
  70      * {@inheritDoc}
  71      */
  72     public Object getConstantValue() {
  73         Object val = sym.getConstValue();
  74         // val may be null, indicating that this is not a constant.
  75 
  76         return Constants.decodeConstant(val, sym.type);
  77     }
  78 
  79     /**
  80      * {@inheritDoc}
  81      */
  82     public String getConstantExpression() {
  83         Object val = getConstantValue();
  84         if (val == null) {
  85             return null;
  86         }
  87         Constants.Formatter fmtr = Constants.getFormatter();
  88         fmtr.append(val);
  89         return fmtr.toString();
  90     }
  91 
  92     /**
  93      * {@inheritDoc}
  94      */
  95     public void accept(DeclarationVisitor v) {
  96         v.visitFieldDeclaration(this);
  97     }
  98 }