01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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.scxml;
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: }
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