/*

 * 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.codemodel.internal;

/**

 * A field that can have a {@link JDocComment} associated with it

 */

public class JFieldVar extends JVar implements JDocCommentable {

    /**

     * javadoc comments for this JFieldVar

     */

    private JDocComment jdoc = null;

    private final JDefinedClass owner;

    /**

     * JFieldVar constructor

     *

     * @param type

     *        Datatype of this variable

     *

     * @param name

     *        Name of this variable

     *

     * @param init

     *        Value to initialize this variable to

     */

    JFieldVar(JDefinedClass owner, JMods mods, JType type, String name, JExpression init) {

        super( mods, type, name, init );

        this.owner = owner;

    }

    @Override

    public void name(String name) {

        // make sure that the new name is available

        if(owner.fields.containsKey(name))

            throw new IllegalArgumentException("name "+name+" is already in use");

        String oldName = name();

        super.name(name);

        owner.fields.remove(oldName);

        owner.fields.put(name,this);

    }

    /**

     * Creates, if necessary, and returns the class javadoc for this

     * JDefinedClass

     *

     * @return JDocComment containing javadocs for this class

     */

    public JDocComment javadoc() {

        if( jdoc == null )

            jdoc = new JDocComment(owner.owner());

        return jdoc;

    }

    public void declare(JFormatter f) {

        if( jdoc != null )

            f.g( jdoc );

        super.declare( f );

    }

}