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1
22
23
24 package com.mchange.v2.cfg;
25
26 import java.util.*;
27
28 class CombinedMultiPropertiesConfig extends MultiPropertiesConfig
29 {
30 MultiPropertiesConfig[] configs;
31 String  [] resourcePaths;
32
33 CombinedMultiPropertiesConfig( MultiPropertiesConfig[] configs )
34 {
35 this.configs = configs;
36
37 List allPaths = new LinkedList();
38 for (int i = configs.length - 1; i >= 0; --i)
39 {
40 String [] rps = configs[i].getPropertiesResourcePaths();
41 for (int j = rps.length - 1; j >= 0; --j)
42 {
43 String rp = rps[j];
44 if (! allPaths.contains( rp ) )
45 allPaths.add(0, rp);
46 }
47 }
48 this.resourcePaths = (String []) allPaths.toArray( new String [ allPaths.size() ] );
49 }
50
51 public String [] getPropertiesResourcePaths()
52 { return (String []) resourcePaths.clone(); }
53
54 public Properties getPropertiesByResourcePath(String path)
55 {
56 for (int i = configs.length - 1; i >= 0; --i)
57 {
58 MultiPropertiesConfig config = configs[i];
59 Properties check = config.getPropertiesByResourcePath(path);
60 if (check != null)
61 return check;
62 }
63 return null;
64 }
65
66 public Properties getPropertiesByPrefix(String pfx)
67 {
68 List entries = new LinkedList();
69 for (int i = configs.length - 1; i >= 0; --i)
70 {
71 MultiPropertiesConfig config = configs[i];
72 Properties check = config.getPropertiesByPrefix(pfx);
73 if (check != null)
74 entries.addAll( 0, check.entrySet() );
75 }
76 if (entries.size() == 0)
77 return null;
78 else
79 {
80 Properties out = new Properties();
81 for (Iterator ii = entries.iterator(); ii.hasNext(); )
82 {
83 Map.Entry entry = (Map.Entry) ii.next();
84 out.put( entry.getKey(), entry.getValue() );
85 }
86 return out;
87 }
88 }
89
90 public String getProperty( String key )
91 {
92 for (int i = configs.length - 1; i >= 0; --i)
93 {
94 MultiPropertiesConfig config = configs[i];
95 String check = config.getProperty(key);
96 if (check != null)
97 return check;
98 }
99 return null;
100 }
101 }
102
103 |
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