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1 package org.sapia.regis.loader;
2
3 import org.sapia.util.text.TemplateContextIF;
4 import org.sapia.util.xml.confix.ConfigurationException;
5 import org.sapia.util.xml.confix.ObjectCreationCallback;
6 import org.sapia.util.xml.confix.ObjectFactoryIF;
7
8 public class ParamRefTag implements TagFactory, ObjectCreationCallback{
9
10 private TemplateContextIF _ctx;
11 private String  name, defaultVal;
12
13 public void setDefault(String defaultVal) {
14 this.defaultVal = defaultVal;
15 }
16
17 public void setName(String name) {
18 this.name = name;
19 }
20
21 public Object onCreate() throws ConfigurationException {
22 Object val = _ctx.getValue(name);
23 if(val == null){
24 if(defaultVal == null){
25 throw new ConfigurationException("No parameter value found for: " + name);
26 }
27 else{
28 return this.defaultVal;
29 }
30 }
31 else{
32 return val;
33 }
34 }
35
36 public Object create(TemplateContextIF context, ObjectFactoryIF fac) throws Exception {
37 _ctx = context;
38 return this;
39 }
40
41 }
42 |
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