1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.scxml2;
18
19 /**
20 * Interface for a component that may be used by the SCXML engines
21 * to resolve context sensitive paths.
22 *
23 */
24 public interface PathResolver {
25
26 /**
27 * Resolve this context sensitive path to an absolute URL.
28 *
29 * @param ctxPath Context sensitive path, can be a relative URL
30 * @return Resolved path (an absolute URL) or <code>null</code>
31 */
32 String resolvePath(String ctxPath);
33
34 /**
35 * Get a PathResolver rooted at this context sensitive path.
36 *
37 * @param ctxPath Context sensitive path, can be a relative URL
38 * @return Returns a new resolver rooted at ctxPath
39 */
40 PathResolver getResolver(String ctxPath);
41
42 }
43