    001// Copyright 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
    015package org.apache.tapestry5.ioc.services;
    016
    017import java.net.URL;
    018
    019/**
    020 * Used by {@link org.apache.tapestry5.ioc.services.ClassNameLocator} to convert URLs from one protocol to another. This
    021 * is a hook for supporting OSGi, allowing "bundleresource" and "bundleentry" protocols to be converted to "jar:" or
    022 * "file:".
    023 */
    024public interface ClasspathURLConverter
    025{
    026    /**
    027     * Passed a URL provided by {@link ClassLoader#getResources(String)} to check to see if can be converted.
    028     *
    029     * @param url to check
    030     * @return the url, or an equivalent url of type jar: or file:
    031     */
    032    URL convert(URL url);
    033}