|
1 package org.sapia.regis.util;
2
3 import java.io.Serializable  ;
4 import java.util.ArrayList ;
5 import java.util.List ;
6 import java.util.Properties ;
7
8 public class CompositeProperties extends Properties
9 implements Serializable {
10
11 static final long serialVersionUID = 1L;
12
13 private List _children = new ArrayList ();
14
15 public CompositeProperties(){}
16
17 public CompositeProperties(Properties ancestor){
18 super(ancestor);
19 }
20
21 public Properties addChild(Properties child){
22 _children.add(0, child);
23 return this;
24 }
25
26 public Properties addAncestor(Properties ancestor){
27 _children.add(ancestor);
28 return this;
29 }
30
31 public String getProperty(String name){
32 for(int i = 0; i < _children.size(); i++){
33 Properties child = (Properties )_children.get(i);
34 String value = child.getProperty(name);
35 if(value != null) return value;
36 }
37 return super.getProperty(name);
38 }
39
40 public String getProperty(String name, String defaultVal){
41 for(int i = 0; i < _children.size(); i++){
42 Properties child = (Properties )_children.get(i);
43 String value = child.getProperty(name);
44 if(value != null) return value;
45 }
46 return super.getProperty(name, defaultVal);
47 }
48
49 }
50 |
Popular Tags |
Java API By Example, From Geeks To Geeks.