    001    // Copyright 2007, 2008 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    //     http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.ioc.services;
    016
    017    import java.util.Collection;
    018
    019    /**
    020     * Scans the classpath for top-level classes within particular packages.
    021     *
    022     * @see org.apache.tapestry5.ioc.services.ClasspathURLConverter
    023     */
    024    public interface ClassNameLocator
    025    {
    026        /**
    027         * Searches for all classes under the given package name. This consists of all top-level classes in the indicated
    028         * package (or any sub-package), but excludes inner classes. No other filtering (beyond inner classes) occurs, so
    029         * there's no guarantee that the class names returned are public (for example).
    030         *
    031         * @param packageName
    032         * @return fully qualified class names
    033         */
    034        Collection<String> locateClassNames(String packageName);
    035    }