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1 package com.opensymphony.webwork.webFlow.model;
2
3 import java.io.IOException  ;
4
5
10 public class Link implements Render, Comparable {
11 public static final int TYPE_FORM = 0;
12 public static final int TYPE_ACTION = 1;
13 public static final int TYPE_HREF = 2;
14 public static final int TYPE_RESULT = 3;
15 public static final int TYPE_REDIRECT = 4;
16
17 private WebFlowNode from;
18 private WebFlowNode to;
19 private int type;
20 private String label;
21
22 public Link(WebFlowNode from, WebFlowNode to, int type, String label) {
23 this.from = from;
24 this.to = to;
25 this.type = type;
26 this.label = label;
27 }
28
29 public void render(IndentWriter writer) throws IOException {
30 writer.write(from.getFullName() + " -> " + to.getFullName() + " [label=\"" + getRealLabel() + "\"" + getColor() + "];");
31 }
32
33 private String getRealLabel() {
34 switch (type) {
35 case TYPE_ACTION:
36 return "action" + label;
37 case TYPE_FORM:
38 return "form" + label;
39 case TYPE_HREF:
40 return "href" + label;
41 case TYPE_REDIRECT:
42 return "redirect: " + label;
43 case TYPE_RESULT:
44 return label;
45 }
46
47 return "";
48 }
49
50 private String getColor() {
51 if (type == TYPE_RESULT || type == TYPE_ACTION) {
52 return ",color=\"darkseagreen2\"";
53 } else {
54 return "";
55 }
56 }
57
58 public int compareTo(Object o) {
59 Link other = (Link) o;
60 int result = from.compareTo(other.from);
61 if (result != 0) {
62 return result;
63 }
64
65 result = to.compareTo(other.to);
66 if (result != 0) {
67 return result;
68 }
69
70 result = label.compareTo(other.label);
71 if (result != 0) {
72 return result;
73 }
74
75 return new Integer (type).compareTo(new Integer (other.type));
76 }
77 }
78 |
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