1 /*
2 * Copyright 2004-2006 the Seasar Foundation and the Others.
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,
13 * either express or implied. See the License for the specific language
14 * governing permissions and limitations under the License.
15 */
16 package org.seasar.tuigwaa.database.util;
17
18 import java.io.InputStream;
19
20 import org.apache.commons.io.IOUtils;
21
22 /***
23 * @author someda
24 */
25 public abstract class DatafileLoader {
26
27 protected InputStream inputStream;
28
29 public DatafileLoader(){
30 }
31
32 public DatafileLoader(InputStream inputStream){
33 this.inputStream = inputStream;
34 }
35
36 /***
37 * Load data and returns its content as string array,
38 * delimitting rule is determined by its concrete class.
39 * Return null at EOF.
40 */
41 public abstract String[] load();
42
43 public void close(){
44 IOUtils.closeQuietly(inputStream);
45 }
46
47 }