content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You under the Apache License, Version 2.0
   *  (the "License"); you may not use this file except in compliance with
   *  the License.  You may obtain a copy of the License at
   *
   *      https://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   */
  package org.apache.tools.ant.taskdefs.optional.extension;
  
  import java.io.File;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.Project;
  
  /**
   * Interface to locate a File that satisfies extension.
   *
   */
  public interface ExtensionResolver {
      /**
       * Attempt to locate File that satisfies
       * extension via resolver.
       *
       * @param extension the extension
       * @param project the Ant project instance
       * @return the File satisfying extension, null
       *         if can not resolve extension
       * @throws BuildException if error occurs attempting to
       *         resolve extension
       */
      File resolve(Extension extension, Project project)
          throws BuildException;
  }
  