    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements.  See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache License, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License.  You may obtain a copy of the License at
    008     *
    009     *     http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the License for the specific language governing permissions and
    015     * limitations under the License.
    016     */
    017    package org.apache.commons.scxml;
    018
    019    /**
    020     * Interface for a component that may be used by the SCXML engines
    021     * to resolve context sensitive paths.
    022     *
    023     */
    024    public interface PathResolver {
    025
    026        /**
    027         * Resolve this context sensitive path to an absolute URL.
    028         *
    029         * @param ctxPath Context sensitive path, can be a relative URL
    030         * @return Resolved path (an absolute URL) or <code>null</code>
    031         */
    032        String resolvePath(String ctxPath);
    033
    034        /**
    035         * Get a PathResolver rooted at this context sensitive path.
    036         *
    037         * @param ctxPath Context sensitive path, can be a relative URL
    038         * @return Returns a new resolver rooted at ctxPath
    039         */
    040        PathResolver getResolver(String ctxPath);
    041
    042    }
    043