Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
FileSystemReader |
|
| 2.0;2 |
1 | /* | |
2 | * Copyright (c) 2004 International Decision Systems, Inc. All Rights Reserved. | |
3 | * | |
4 | * By using this Software, You acknowledge that the Software is a valuable asset | |
5 | * and trade secret of either International Decision Systems, Inc. ("IDSI") or a | |
6 | * third party supplier of IDSI and constitutes confidential and proprietary | |
7 | * information. | |
8 | * | |
9 | * NEITHER IDSI NOR ANY AGENT OR PERSON ACTING FOR OR WITH IDSI HAS MADE OR DOES | |
10 | * MAKE ANY STATEMENTS, AFFIRMATIONS, REPRESENTATIONS OR WARRANTIES WHATSOEVER | |
11 | * TO YOU, WHETHER EXPRESS OR IMPLIED, AS TO THE SOFTWARE, THE QUALITY OR | |
12 | * CONDITION OF THE SOFTWARE, OR THE OPERATING CHARACTERISTICS OR RELIABILITY OF | |
13 | * THE SOFTWARE, OR ITS SUITABILITY FOR ANY GENERAL OR PARTICULAR PURPOSE, OR AS | |
14 | * TO ANY OTHER MATTER WHATSOEVER; ANY AND ALL OTHER WARRANTIES INCLUDING | |
15 | * WITHOUT LIMITATION ANY WARRANTIES IMPLIED BY LAW, SUCH AS THE IMPLIED | |
16 | * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND TITLE, | |
17 | * USE AND NON-INFRINGEMENT; ARE HEREBY EXPRESSLY DISCLAIMED AND EXCLUDED. | |
18 | */ | |
19 | package net.sourceforge.addam.ddlrun.utils; | |
20 | ||
21 | import java.io.*; | |
22 | import java.util.MissingResourceException; | |
23 | ||
24 | /** | |
25 | * Used to read resources from within the local FileSystem. | |
26 | * | |
27 | * @author TIM3 | |
28 | * @since Mar 5, 2005 | |
29 | */ | |
30 | public class FileSystemReader implements ResourceReader { | |
31 | ||
32 | /** | |
33 | * Allows only the FileSystemReaderFactory to construct a FileSystemReader. | |
34 | * | |
35 | * @param resourceFile the file to read from | |
36 | */ | |
37 | 0 | FileSystemReader(File resourceFile) { |
38 | 0 | this.resourceFile = resourceFile; |
39 | 0 | } |
40 | ||
41 | public String readLine() throws IOException { | |
42 | 0 | return this.getReader().readLine(); |
43 | } | |
44 | ||
45 | private BufferedReader getReader() { | |
46 | 0 | if (reader == null) { |
47 | try { | |
48 | 0 | reader = new BufferedReader(new FileReader(resourceFile)); |
49 | 0 | } catch (FileNotFoundException e) { |
50 | 0 | throw new MissingResourceException("FileSystemReader unable to locate resource " + resourceFile, |
51 | 0 | FileSystemReader.class.getName(), resourceFile.toString()); |
52 | 0 | } |
53 | } | |
54 | 0 | return reader; |
55 | } | |
56 | ||
57 | private BufferedReader reader; | |
58 | final File resourceFile; // not private in order to facilitate testing | |
59 | } |