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: */
18: package org.apache.tools.ant.taskdefs.optional.extension;
19:
20: import java.io.File;
21: import org.apache.tools.ant.BuildException;
22: import org.apache.tools.ant.Project;
23:
24: /**
25: * Interface to locate a File that satisfies extension.
26: *
27: */
28: public interface ExtensionResolver {
29: /**
30: * Attempt to locate File that satisfies
31: * extension via resolver.
32: *
33: * @param extension the extension
34: * @param project the Ant project instance
35: * @return the File satisfying extension, null
36: * if can not resolve extension
37: * @throws BuildException if error occurs attempting to
38: * resolve extension
39: */
40: File resolve(Extension extension, Project project)
41: throws BuildException;
42: }
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