001    /*
002     * Copyright 2004-2005 Sun Microsystems, Inc.  All Rights Reserved.
003     * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004     *
005     * This code is free software; you can redistribute it and/or modify it
006     * under the terms of the GNU General Public License version 2 only, as
007     * published by the Free Software Foundation.  Sun designates this
008     * particular file as subject to the "Classpath" exception as provided
009     * by Sun in the LICENSE file that accompanied this code.
010     *
011     * This code is distributed in the hope that it will be useful, but WITHOUT
012     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013     * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014     * version 2 for more details (a copy is included in the LICENSE file that
015     * accompanied this code).
016     *
017     * You should have received a copy of the GNU General Public License version
018     * 2 along with this work; if not, write to the Free Software Foundation,
019     * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020     *
021     * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022     * CA 95054 USA or visit www.sun.com if you need additional information or
023     * have any questions.
024     */
025    
026    package com.sun.tools.apt.mirror.declaration;
027    
028    
029    import java.util.Collection;
030    import java.util.ArrayList;
031    
032    import com.sun.mirror.declaration.*;
033    import com.sun.mirror.type.TypeMirror;
034    import com.sun.mirror.util.DeclarationVisitor;
035    import com.sun.tools.apt.mirror.AptEnv;
036    import com.sun.tools.javac.code.Symbol.*;
037    import com.sun.tools.javac.code.TypeTags;
038    
039    
040    /**
041     * Implementation of FieldDeclaration
042     */
043    
044    class FieldDeclarationImpl extends MemberDeclarationImpl
045                                      implements FieldDeclaration {
046    
047        protected VarSymbol sym;
048    
049        FieldDeclarationImpl(AptEnv env, VarSymbol sym) {
050            super(env, sym);
051            this.sym = sym;
052        }
053    
054    
055        /**
056         * Returns the field's name.
057         */
058        public String toString() {
059            return getSimpleName();
060        }
061    
062        /**
063         * {@inheritDoc}
064         */
065        public TypeMirror getType() {
066            return env.typeMaker.getType(sym.type);
067        }
068    
069        /**
070         * {@inheritDoc}
071         */
072        public Object getConstantValue() {
073            Object val = sym.getConstValue();
074            // val may be null, indicating that this is not a constant.
075    
076            return Constants.decodeConstant(val, sym.type);
077        }
078    
079        /**
080         * {@inheritDoc}
081         */
082        public String getConstantExpression() {
083            Object val = getConstantValue();
084            if (val == null) {
085                return null;
086            }
087            Constants.Formatter fmtr = Constants.getFormatter();
088            fmtr.append(val);
089            return fmtr.toString();
090        }
091    
092        /**
093         * {@inheritDoc}
094         */
095        public void accept(DeclarationVisitor v) {
096            v.visitFieldDeclaration(this);
097        }
098    }