1/*
2 * Copyright (C) 2007 The Guava Authors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.common.io;
18
19import java.io.IOException;
20
21/**
22 * A factory for readable streams of bytes or characters.
23 *
24 * @author Chris Nokleberg
25 * @since 1.0
26 */
27public interface InputSupplier<T> {
28
29  /**
30   * Returns an object that encapsulates a readable resource.
31   * <p>
32   * Like {@link Iterable#iterator}, this method may be called repeatedly to
33   * get independent channels to the same underlying resource.
34   * <p>
35   * Where the channel maintains a position within the resource, moving that
36   * cursor within one channel should not affect the starting position of
37   * channels returned by other calls.
38   */
39  T getInput() throws IOException;
40}
41