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1 package fr.jayasoft.ivy.repository;
2
3
4 public abstract class LazyResource implements Resource {
5 private boolean _init = false;
6
7 private boolean _local;
8 private String  _name;
9 private long _lastModified;
10 private long _contentLength;
11 private boolean _exists;
12
13
14 public LazyResource(String name) {
15 _name = name;
16 }
17
18 protected abstract void init();
19
20 private void checkInit() {
21 if (!_init) {
22 init();
23 _init = true;
24 }
25 }
26
27 public boolean exists() {
28 checkInit();
29 return _exists;
30 }
31
32 public long getContentLength() {
33 checkInit();
34 return _contentLength;
35 }
36
37 public long getLastModified() {
38 checkInit();
39 return _lastModified;
40 }
41
42 public String getName() {
43 return _name;
44 }
45
46 public boolean isLocal() {
47 checkInit();
48 return _local;
49 }
50
51 public String toString() {
52 return getName();
53 }
54
55 protected void setContentLength(long contentLength) {
56 _contentLength = contentLength;
57 }
58
59 protected void setExists(boolean exists) {
60 _exists = exists;
61 }
62
63 protected void setLastModified(long lastModified) {
64 _lastModified = lastModified;
65 }
66
67 protected void setLocal(boolean local) {
68 _local = local;
69 }
70
71 protected void init(Resource r) {
72 setContentLength(r.getContentLength());
73 setLocal(r.isLocal());
74 setLastModified(r.getLastModified());
75 setExists(r.exists());
76 }
77
78
79 }
80 |
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