/*

 * Copyright (c) 1997, 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.VarSymbol;

/**

 * ParameterImpl information.

 * This includes a parameter type and parameter name.

 *

 *  <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 Kaiyang Liu (original)

 * @author Robert Field (rewrite)

 * @author Scott Seligman (generics, annotations)

 */

class ParameterImpl implements Parameter {

    private final DocEnv env;

    private final VarSymbol sym;

    private final com.sun.javadoc.Type type;

    /**

     * Constructor of parameter info class.

     */

    ParameterImpl(DocEnv env, VarSymbol sym) {

        this.env = env;

        this.sym = sym;

        this.type = TypeMaker.getType(env, sym.type, false);

    }

    /**

     * Get the type of this parameter.

     */

    public com.sun.javadoc.Type type() {

        return type;

    }

    /**

     * Get local name of this parameter.

     * For example if parameter is the short 'index', returns "index".

     */

    public String name() {

        return sym.toString();

    }

    /**

     * Get type name of this parameter.

     * For example if parameter is the short 'index', returns "short".

     */

    public String typeName() {

        return (type instanceof ClassDoc || type instanceof TypeVariable)

                ? type.typeName()       // omit formal type params or bounds

                : type.toString();

    }

    /**

     * Returns a string representation of the parameter.

     * <p>

     * For example if parameter is the short 'index', returns "short index".

     *

     * @return type name and parameter name of this parameter.

     */

    public String toString() {

        return typeName() + " " + sym;

    }

    /**

     * Get the annotations of this parameter.

     * Return an empty array if there are none.

     */

    public AnnotationDesc[] annotations() {

        AnnotationDesc res[] = new AnnotationDesc[sym.getRawAttributes().length()];

        int i = 0;

        for (Attribute.Compound a : sym.getRawAttributes()) {

            res[i++] = new AnnotationDescImpl(env, a);

        }

        return res;

    }

}