|
1
5 package com.opensymphony.workflow.loader;
6
7 import com.opensymphony.workflow.InvalidWorkflowDescriptorException;
8 import com.opensymphony.workflow.util.Validatable;
9 import com.opensymphony.workflow.util.XMLizable;
10
11 import org.w3c.dom.Element  ;
12 import org.w3c.dom.Node ;
13 import org.w3c.dom.NodeList ;
14
15 import java.io.PrintWriter ;
16
17 import java.util.ArrayList ;
18 import java.util.List ;
19
20
21
27 public class ConditionsDescriptor extends AbstractDescriptor implements Validatable {
28
30 private List conditions = new ArrayList ();
31 private String type;
32
33
35 public ConditionsDescriptor() {
36 }
37
38 public ConditionsDescriptor(Element element) {
39 type = element.getAttribute("type");
40
41 NodeList children = element.getChildNodes();
42 int size = children.getLength();
43
44 for (int i = 0; i < size; i++) {
45 Node child = children.item(i);
46
47 if (child instanceof Element ) {
48 if ("condition".equals(child.getNodeName())) {
49 ConditionDescriptor condition = new ConditionDescriptor((Element ) child);
50 conditions.add(condition);
51 } else if ("conditions".equals(child.getNodeName())) {
52 ConditionsDescriptor condition = new ConditionsDescriptor((Element ) child);
53 conditions.add(condition);
54 }
55 }
56 }
57 }
58
59
61 public void setConditions(List conditions) {
62 this.conditions = conditions;
63 }
64
65 public List getConditions() {
66 return conditions;
67 }
68
69 public void setType(String type) {
70 this.type = type;
71 }
72
73 public String getType() {
74 return type;
75 }
76
77 public void validate() throws InvalidWorkflowDescriptorException {
78 ValidationHelper.validate(conditions);
79
80 if ((conditions.size() > 1) && (type == null)) {
81 throw new InvalidWorkflowDescriptorException("Conditions must have AND or OR type specified");
82 }
83 }
84
85 public void writeXML(PrintWriter out, int indent) {
86 if (conditions.size() > 0) {
87 XMLUtil.printIndent(out, indent++);
88
89 StringBuffer sb = new StringBuffer ("<conditions");
90
91 if (conditions.size() > 1) {
92 sb.append(" type=\"").append(type).append("\"");
93 }
94
95 sb.append(">");
96 out.println(sb.toString());
97
98 for (int i = 0; i < conditions.size(); i++) {
99 XMLizable condition = (XMLizable) conditions.get(i);
100 condition.writeXML(out, indent);
101 }
102
103 XMLUtil.printIndent(out, --indent);
104 out.println("</conditions>");
105 }
106 }
107 }
108 |
Popular Tags |
Java API By Example, From Geeks To Geeks.