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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.NameClassPair  ;
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 QNameClassEnumeration implements NamingEnumeration {
45 private static final Logger log = Log.open(QNameClassEnumeration.class);
46 private static final L10N L = new L10N(QNameClassEnumeration.class);
47
48 private ContextImpl _context;
49 private List _list;
50 private int _index;
51
52 QNameClassEnumeration(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 Object next()
64 throws NamingException
65 {
66 String name = (String ) _list.get(_index++);
67
68 Object obj = _context.lookup(name);
69
70 if (obj != null)
71 return new NameClassPair (name, obj.getClass().getName());
72 else
73 return new NameClassPair (name, "java.lang.Object");
74 }
75
76 public boolean hasMoreElements()
77 {
78 return hasMore();
79 }
80
81 public Object nextElement()
82 {
83 try {
84 return next();
85 } catch (Exception e) {
86 log.log(Level.FINE, e.toString(), e);
87
88 return null;
89 }
90 }
91
92 public void close()
93 {
94 }
95
96 public String toString()
97 {
98 CharBuffer cb = new CharBuffer();
99
100 cb.append("QNameClassEnumeration[");
101 ArrayList list = new ArrayList (_list);
102 Collections.sort(list);
103
104 for (int i = 0; i < list.size(); i++) {
105 String name = (String ) list.get(i);
106 try {
107 Object value = _context.lookup(name);
108 if (i != 0)
109 cb.append(' ');
110
111 if (value != null)
112 cb.append("{" + name + ", " + value.getClass() + "}");
113 else
114 cb.append("{" + name + ", " + null + "}");
115 } catch (Exception e) {
116 log.log(Level.FINE, e.toString(), e);
117
118 cb.append(" {" + name + ", " + e + "}");
119 }
120 }
121 cb.append("]");
122
123 return cb.toString();
124 }
125 }
126 |
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