/*

 * Copyright (c) 1998, 2014, 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.javadoc;

/**

 * Represents a java package.  Provides access to information

 * about the package, the package's comment and tags, and the

 * classes in the package.

 * <p>

 * Each method whose return type is an array will return an empty

 * array (never null) when there are no objects in the result.

 *

 * @since 1.2

 * @author Kaiyang Liu (original)

 * @author Robert Field (rewrite)

 */

public interface PackageDoc extends Doc {

    /**

     * Get all classes and interfaces in the package, filtered to the specified

     * <a href="{@docRoot}/com/sun/javadoc/package-summary.html#included">access

     * modifier option</a>.

     *

     * @return       filtered classes and interfaces in this package

     * @param filter Specifying true filters according to the specified access

     *               modifier option.

     *               Specifying false includes all classes and interfaces

     *               regardless of access modifier option.

     * @since 1.4

     */

    ClassDoc[] allClasses(boolean filter);

    /**

     * Get all

     * <a href="{@docRoot}/com/sun/javadoc/package-summary.html#included">included</a>

     * classes and interfaces in the package.  Same as allClasses(true).

     *

     * @return all included classes and interfaces in this package.

     */

    ClassDoc[] allClasses();

    /**

     * Get included

     * <a href="{@docRoot}/com/sun/javadoc/package-summary.html#class">ordinary</a>

     * classes (that is, exclude exceptions, errors, enums, interfaces, and

     * annotation types)

     * in this package.

     *

     * @return included ordinary classes in this package.

     */

    ClassDoc[] ordinaryClasses();

    /**

     * Get included Exception classes in this package.

     *

     * @return included Exceptions in this package.

     */

    ClassDoc[] exceptions();

    /**

     * Get included Error classes in this package.

     *

     * @return included Errors in this package.

     */

    ClassDoc[] errors();

    /**

     * Get included enum types in this package.

     *

     * @return included enum types in this package.

     * @since 1.5

     */

    ClassDoc[] enums();

    /**

     * Get included interfaces in this package, omitting annotation types.

     *

     * @return included interfaces in this package.

     */

    ClassDoc[] interfaces();

    /**

     * Get included annotation types in this package.

     *

     * @return included annotation types in this package.

     * @since 1.5

     */

    AnnotationTypeDoc[] annotationTypes();

    /**

     * Get the annotations of this package.

     * Return an empty array if there are none.

     *

     * @return the annotations of this package.

     * @since 1.5

     */

    AnnotationDesc[] annotations();

    /**

     * Lookup a class or interface within this package.

     *

     * @param className A String containing the name of the class to look up.

     * @return ClassDoc of found class or interface,

     * or null if not found.

     */

    ClassDoc findClass(String className);

}