1 |
| |
2 |
| |
3 |
| |
4 |
| |
5 |
| |
6 |
| |
7 |
| |
8 |
| package org.picocontainer.defaults; |
9 |
| |
10 |
| import org.picocontainer.ComponentAdapter; |
11 |
| import org.picocontainer.Parameter; |
12 |
| import org.picocontainer.PicoContainer; |
13 |
| import org.picocontainer.PicoVerificationException; |
14 |
| import org.picocontainer.PicoVisitor; |
15 |
| |
16 |
| import java.util.ArrayList; |
17 |
| import java.util.HashSet; |
18 |
| import java.util.List; |
19 |
| import java.util.Set; |
20 |
| |
21 |
| |
22 |
| |
23 |
| |
24 |
| |
25 |
| |
26 |
| |
27 |
| |
28 |
| |
29 |
| public class VerifyingVisitor |
30 |
| extends AbstractPicoVisitor { |
31 |
| |
32 |
| private final List nestedVerificationExceptions; |
33 |
| private final Set verifiedComponentAdapters; |
34 |
| private final PicoVisitor componentAdapterCollector; |
35 |
| private PicoContainer currentPico; |
36 |
| |
37 |
30
| public VerifyingVisitor() {
|
38 |
30
| nestedVerificationExceptions = new ArrayList();
|
39 |
30
| verifiedComponentAdapters = new HashSet();
|
40 |
30
| componentAdapterCollector = new ComponentAdapterCollector();
|
41 |
| } |
42 |
| |
43 |
| |
44 |
| |
45 |
| |
46 |
| |
47 |
| |
48 |
| |
49 |
| |
50 |
30
| public Object traverse(Object node) throws PicoVerificationException {
|
51 |
30
| nestedVerificationExceptions.clear();
|
52 |
30
| verifiedComponentAdapters.clear();
|
53 |
30
| try {
|
54 |
30
| super.traverse(node);
|
55 |
24
| if (!nestedVerificationExceptions.isEmpty()) {
|
56 |
14
| throw new PicoVerificationException(new ArrayList(nestedVerificationExceptions));
|
57 |
| } |
58 |
| } finally { |
59 |
30
| nestedVerificationExceptions.clear();
|
60 |
30
| verifiedComponentAdapters.clear();
|
61 |
| } |
62 |
10
| return Void.TYPE;
|
63 |
| } |
64 |
| |
65 |
| |
66 |
| |
67 |
| |
68 |
| |
69 |
| |
70 |
22
| public void visitContainer(PicoContainer pico) {
|
71 |
22
| checkTraversal();
|
72 |
20
| currentPico = pico;
|
73 |
| } |
74 |
| |
75 |
| |
76 |
| |
77 |
| |
78 |
| |
79 |
| |
80 |
94
| public void visitComponentAdapter(ComponentAdapter componentAdapter) {
|
81 |
94
| checkTraversal();
|
82 |
94
| if (!verifiedComponentAdapters.contains(componentAdapter)) {
|
83 |
40
| try {
|
84 |
40
| componentAdapter.verify(currentPico);
|
85 |
| } catch (RuntimeException e) { |
86 |
26
| nestedVerificationExceptions.add(e);
|
87 |
| } |
88 |
40
| componentAdapter.accept(componentAdapterCollector);
|
89 |
| } |
90 |
| } |
91 |
| |
92 |
| |
93 |
| |
94 |
| |
95 |
| |
96 |
| |
97 |
4
| public void visitParameter(Parameter parameter) {
|
98 |
4
| checkTraversal();
|
99 |
| } |
100 |
| |
101 |
| private class ComponentAdapterCollector |
102 |
| implements PicoVisitor { |
103 |
| |
104 |
| public Object traverse(Object node) { |
105 |
| return null; |
106 |
| } |
107 |
| |
108 |
| public void visitContainer(PicoContainer pico) { |
109 |
| } |
110 |
| |
111 |
| |
112 |
| |
113 |
94
| public void visitComponentAdapter(ComponentAdapter componentAdapter) {
|
114 |
94
| verifiedComponentAdapters.add(componentAdapter);
|
115 |
| } |
116 |
| |
117 |
4
| public void visitParameter(Parameter parameter) {
|
118 |
| } |
119 |
| } |
120 |
| } |