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comparison src/cachingfilter/CachedFile.java @ 0:7ecd1a4ef557

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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-1:000000000000 0:7ecd1a4ef557
1 package cachingfilter;
2
3 import java.io.File;
4 import java.io.IOException;
5
6 import java.io.File;
7 import java.io.IOException;
8 import org.slf4j.Logger;
9 import org.slf4j.LoggerFactory;
10
11
12 final class CachedFile implements CachedPage {
13 private static final Logger logger = LoggerFactory.getLogger(CachedFile.class);
14 private final File file;
15
16 CachedFile( File parent, String child ) {
17 this.file = new File(parent,child);
18 }
19
20 public String name() {
21 return file.getName();
22 }
23
24 public boolean exists() {
25 return file.exists();
26 }
27
28 public File lastFile() {
29 return file;
30 }
31
32 public File newFile() throws IOException {
33 delete();
34 if( !file.createNewFile() )
35 throw new RuntimeException("couldn't create "+file);
36 return file;
37 }
38
39 public void deleteNewFile() {
40 if( !delete() )
41 throw new RuntimeException("couldn't delete "+file);
42 }
43
44 public boolean delete() {
45 return file.delete();
46 }
47
48 public String toString() {
49 return file.toString();
50 }
51
52 }