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    1   /*
    2    *
    3    *   Copyright 2005 The Apache Software Foundation.
    4    *
    5    *  Licensed under the Apache License, Version 2.0 (the "License");
    6    *  you may not use this file except in compliance with the License.
    7    *  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   */
    18  package org.apache.commons.scxml;
    19
    20  /***
    21   * Interface for a component that may be used by the SCXML engines
    22   * to resolve context sensitive paths.
    23   *
    24   */
    25  public interface PathResolver {
    26
    27      /***
    28       * Resolve this context sensitive path to an absolute URL.
    29       *
    30       * @param ctxPath Context sensitive path, can be a relative URL
    31       * @return Resolved path (an absolute URL) or <code>null</code>
    32       */
    33      String resolvePath(String ctxPath);
    34
    35      /***
    36       * Get a PathResolver rooted at this context sensitive path.
    37       *
    38       * @param ctxPath Context sensitive path, can be a relative URL
    39       * @return Returns a new resolver rooted at ctxPath
    40       */
    41      PathResolver getResolver(String ctxPath);
    42
    43  }
    44