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1
28
29 package com.caucho.naming;
30
31 import com.caucho.log.Log;
32 import com.caucho.util.CharBuffer;
33 import com.caucho.util.L10N;
34
35 import javax.naming.Binding  ;
36 import javax.naming.NamingEnumeration ;
37 import javax.naming.NamingException ;
38 import java.util.ArrayList ;
39 import java.util.Collections ;
40 import java.util.List ;
41 import java.util.logging.Level ;
42 import java.util.logging.Logger ;
43
44 public class QBindingEnumeration implements NamingEnumeration {
45 private static final Logger log = Log.open(QBindingEnumeration.class);
46 private static final L10N L = new L10N(QBindingEnumeration.class);
47
48 private ContextImpl _context;
49 private List _list;
50 private int _index;
51
52 QBindingEnumeration(ContextImpl context, List list)
53 {
54 _context = context;
55 _list = list;
56 }
57
58 public boolean hasMore()
59 {
60 return _index < _list.size();
61 }
62
63 public Binding next()
64 throws NamingException
65 {
66 String name = (String ) _list.get(_index++);
67
68 Object obj = _context.lookup(name);
69
70 return new Binding (name, obj, true);
71 }
72
73 public boolean hasMoreElements()
74 {
75 return hasMore();
76 }
77
78 public Object nextElement()
79 {
80 try {
81 return next();
82 } catch (Exception e) {
83 log.log(Level.FINE, e.toString(), e);
84
85 return null;
86 }
87 }
88
89 public void close()
90 {
91 }
92
93 public String toString()
94 {
95 CharBuffer cb = new CharBuffer();
96
97 ArrayList list = new ArrayList (_list);
98 Collections.sort(list);
99
100 cb.append("QBindingEnumeration[");
101 for (int i = 0; i < list.size(); i++) {
102 String name = (String ) list.get(i);
103
104 if (i != 0)
105 cb.append(" ");
106
107 try {
108 cb.append("{" + name + ", " + _context.lookup(name) + "}");
109 } catch (Exception e) {
110 cb.append("{" + name + ", " + e + "}");
111 }
112 }
113 cb.append("]");
114
115 return cb.toString();
116 }
117 }
118 |
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