1 package org.codehaus.plexus.util.io;
2
3 /*
4 * Copyright The Codehaus Foundation.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 import java.io.IOException;
20 import java.io.InputStream;
21
22 /**
23 * Interface of a wrapper for input streams. This facade is used by methods, which are being implemented for files,
24 * URL's, or input streams.
25 */
26 public interface InputStreamFacade {
27 /**
28 * The caller must assume, that this method may be invoked only once.
29 * @return Retrieves the actual {@link InputStream}.
30 * @throws IOException if io issue
31 */
32 InputStream getInputStream() throws IOException;
33 }