1 /***
2 * Copyright 2006 Joseph M. Ferner
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 package com.fernsroth.easyio;
17
18 import java.io.IOException;
19
20 /***
21 *
22 * @author Joseph M. Ferner (Near Infinity Corporation)
23 */
24 public interface IRandomAccessSource extends IInputStream, IOutputStream {
25 /***
26 * sets the location.
27 * @param newLocation the location.
28 * @throws IOException
29 */
30 void seek(long newLocation) throws IOException;
31
32 /***
33 * gets the current location.
34 * @return the current location.
35 * @throws IOException
36 */
37 long getFilePointer() throws IOException;
38
39 /***
40 * sets the length.
41 * @param length the length.
42 * @throws IOException
43 */
44 void setLength(long length) throws IOException;
45
46 /***
47 * gets the length.
48 * @return the length.
49 * @throws IOException
50 */
51 long length() throws IOException;
52 }