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1
7 package fr.jayasoft.ivy.version;
8
9 import java.util.Collections  ;
10 import java.util.Iterator ;
11 import java.util.LinkedList ;
12 import java.util.List ;
13
14 import fr.jayasoft.ivy.Ivy;
15 import fr.jayasoft.ivy.IvyAware;
16 import fr.jayasoft.ivy.ModuleDescriptor;
17 import fr.jayasoft.ivy.ModuleRevisionId;
18
19 public class ChainVersionMatcher extends AbstractVersionMatcher {
20 private List _matchers = new LinkedList ();
21
22 public ChainVersionMatcher() {
23 super("chain");
24 }
25
26 public void add(VersionMatcher matcher) {
27 _matchers.add(0, matcher);
28 if (getIvy() != null && matcher instanceof IvyAware) {
29 ((IvyAware) matcher).setIvy(getIvy());
30 }
31 }
32
33 public void setIvy(Ivy ivy) {
34 super.setIvy(ivy);
35 for (Iterator iter = _matchers.iterator(); iter.hasNext();) {
36 VersionMatcher matcher = (VersionMatcher) iter.next();
37 if (matcher instanceof IvyAware) {
38 ((IvyAware) matcher).setIvy(ivy);
39 }
40 }
41 }
42
43 public List getMatchers() {
44 return Collections.unmodifiableList(_matchers);
45 }
46
47
48 public boolean isDynamic(ModuleRevisionId askedMrid) {
49 for (Iterator iter = _matchers.iterator(); iter.hasNext();) {
50 VersionMatcher matcher = (VersionMatcher)iter.next();
51 if (matcher.isDynamic(askedMrid)) {
52 return true;
53 }
54 }
55 return false;
56 }
57
58 public boolean accept(ModuleRevisionId askedMrid, ModuleRevisionId foundMrid) {
59 for (Iterator iter = _matchers.iterator(); iter.hasNext();) {
60 VersionMatcher matcher = (VersionMatcher)iter.next();
61 if (!iter.hasNext() || matcher.isDynamic(askedMrid)) {
62 return matcher.accept(askedMrid, foundMrid);
63 }
64 }
65 return false;
66 }
67
68 public boolean needModuleDescriptor(ModuleRevisionId askedMrid, ModuleRevisionId foundMrid) {
69 for (Iterator iter = _matchers.iterator(); iter.hasNext();) {
70 VersionMatcher matcher = (VersionMatcher)iter.next();
71 if (!iter.hasNext() || matcher.isDynamic(askedMrid)) {
72 return matcher.needModuleDescriptor(askedMrid, foundMrid);
73 }
74 }
75 return false;
76 }
77
78 public boolean accept(ModuleRevisionId askedMrid, ModuleDescriptor foundMD) {
79 for (Iterator iter = _matchers.iterator(); iter.hasNext();) {
80 VersionMatcher matcher = (VersionMatcher)iter.next();
81 if (!iter.hasNext() || matcher.isDynamic(askedMrid)) {
82 return matcher.accept(askedMrid, foundMD);
83 }
84 }
85 return false;
86 }
87
88 }
89 |
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