    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
    015    package org.apache.tapestry5.ioc.services;
    016
    017    import 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     */
    024    public 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    }