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1 package org.jbpm.bpel.data.xpath;
2
3 import org.jaxen.UnresolvableException;
4 import org.jaxen.VariableContext;
5
6 import org.jbpm.context.exe.ContextInstance;
7 import org.jbpm.graph.exe.Token;
8
9 import org.jbpm.bpel.data.exe.VariableInstance;
10
11
15 public class ScopeVariables implements VariableContext {
16
17 private Token token;
18
19 public ScopeVariables(Token token) {
20 this.token = token;
21 }
22
23 public VariableInstance getVariable(String  name) {
24 ContextInstance context = token.getProcessInstance().getContextInstance();
25 return (VariableInstance) context.getVariable(name, token);
26 }
27
28 public Object getVariableValue(String namespaceURI, String prefix,
29 String localName) throws UnresolvableException {
30 if (namespaceURI != null) {
31 throw new UnresolvableException("No such variable: " + prefix + ':' + localName);
32 }
33 VariableInstance instance = getVariable(localName);
34 if (instance == null) {
35 throw new UnresolvableException("No such variable: " + localName);
36 }
37 return instance.getValue();
38 }
39 }
40 |
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