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1
5 package com.opensymphony.workflow.loader;
6
7 import com.opensymphony.workflow.InvalidWorkflowDescriptorException;
8
9 import org.w3c.dom.Element  ;
10
11 import java.io.PrintWriter ;
12
13 import java.util.ArrayList ;
14 import java.util.List ;
15
16
17
21 public class ConditionalResultDescriptor extends ResultDescriptor {
22
24 protected List conditions = new ArrayList ();
25
26
28 public ConditionalResultDescriptor() {
29 }
30
31 public ConditionalResultDescriptor(Element conditionalResult) {
32 init(conditionalResult);
33 }
34
35
37 public List getConditions() {
38 return conditions;
39 }
40
41 public void validate() throws InvalidWorkflowDescriptorException {
42 super.validate();
43
44 if (conditions.size() == 0) {
45 throw new InvalidWorkflowDescriptorException("Conditional result from " + ((ActionDescriptor) getParent()).getName() + " to " + getDestination() + " must have at least one condition");
46 }
47
48 ValidationHelper.validate(conditions);
49 }
50
51 public void writeXML(PrintWriter out, int indent) {
52 XMLUtil.printIndent(out, indent++);
53
54 StringBuffer buf = new StringBuffer ();
55 buf.append("<result");
56
57 if (hasId()) {
58 buf.append(" id=\"").append(getId()).append("\"");
59 }
60
61 buf.append(" old-status=\"").append(oldStatus).append("\"");
62
63 if (join != 0) {
64 buf.append(" join=\"").append(join).append("\"");
65 } else if (split != 0) {
66 buf.append(" split=\"").append(split).append("\"");
67 } else {
68 buf.append(" status=\"").append(status).append("\"");
69 buf.append(" step=\"").append(step).append("\"");
70
71 if ((owner != null) && (owner.length() > 0)) {
72 buf.append(" owner=\"").append(owner).append("\"");
73 }
74 }
75
76 buf.append(">");
77 out.println(buf);
78
79 for (int i = 0; i < conditions.size(); i++) {
80 ConditionsDescriptor condition = (ConditionsDescriptor) conditions.get(i);
81 condition.writeXML(out, indent);
82 }
83
84 if (validators.size() > 0) {
85 XMLUtil.printIndent(out, indent++);
86 out.println("<validators>");
87
88 for (int i = 0; i < validators.size(); i++) {
89 ValidatorDescriptor validator = (ValidatorDescriptor) validators.get(i);
90 validator.writeXML(out, indent);
91 }
92
93 XMLUtil.printIndent(out, --indent);
94 out.println("</validators>");
95 }
96
97 printPreFunctions(out, indent);
98 printPostFunctions(out, indent);
99 XMLUtil.printIndent(out, --indent);
100 out.println("</result>");
101 }
102
103 protected void init(Element conditionalResult) {
104 super.init(conditionalResult);
105
106 List conditionNodes = XMLUtil.getChildElements(conditionalResult, "conditions");
107
108 int length = conditionNodes.size();
109
110 for (int i = 0; i < length; i++) {
111 Element condition = (Element ) conditionNodes.get(i);
112 ConditionsDescriptor conditionDescriptor = new ConditionsDescriptor(condition);
113 conditionDescriptor.setParent(this);
114 this.conditions.add(conditionDescriptor);
115 }
116 }
117
118 private String getDestination() {
119 if (join != 0) {
120 return "join #" + join;
121 } else if (split != 0) {
122 return "split #" + split;
123 } else {
124 return "step #" + step;
125 }
126 }
127 }
128 |
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