|
1
22
23
24 package com.mchange.v2.log;
25
26 import java.util.*;
27
28 public final class MLevel
29 {
30 public final static MLevel ALL;
31 public final static MLevel CONFIG;
32 public final static MLevel FINE;
33 public final static MLevel FINER;
34 public final static MLevel FINEST;
35 public final static MLevel INFO;
36 public final static MLevel OFF;
37 public final static MLevel SEVERE;
38 public final static MLevel WARNING;
39
40 private final static Map integersToMLevels;
41 private final static Map namesToMLevels;
42
43 public static MLevel fromIntValue(int intval)
44 { return (MLevel) integersToMLevels.get( new Integer  ( intval ) ); }
45
46 public static MLevel fromSeverity(String name)
47 { return (MLevel) namesToMLevels.get( name ); }
48
49 static
50 {
51 Class lvlClass;
52 boolean jdk14api; try
54 {
55 lvlClass = Class.forName( "java.util.logging.Level" );
56 jdk14api = true;
57 }
58 catch (ClassNotFoundException e )
59 {
60 lvlClass = null;
61 jdk14api = false;
62 }
63
64 MLevel all;
65 MLevel config;
66 MLevel fine;
67 MLevel finer;
68 MLevel finest;
69 MLevel info;
70 MLevel off;
71 MLevel severe;
72 MLevel warning;
73
74 try
75 {
76 all = new MLevel( (jdk14api ? lvlClass.getField("ALL").get(null) : null), Integer.MIN_VALUE, "ALL" );
78 config = new MLevel( (jdk14api ? lvlClass.getField("CONFIG").get(null) : null), 700, "CONFIG" );
79 fine = new MLevel( (jdk14api ? lvlClass.getField("FINE").get(null) : null), 500, "FINE" );
80 finer = new MLevel( (jdk14api ? lvlClass.getField("FINER").get(null) : null), 400, "FINER" );
81 finest = new MLevel( (jdk14api ? lvlClass.getField("FINEST").get(null) : null), 300, "FINEST" );
82 info = new MLevel( (jdk14api ? lvlClass.getField("INFO").get(null) : null), 800, "INFO" );
83 off = new MLevel( (jdk14api ? lvlClass.getField("OFF").get(null) : null), Integer.MAX_VALUE, "OFF" );
84 severe = new MLevel( (jdk14api ? lvlClass.getField("SEVERE").get(null) : null), 900, "SEVERE" );
85 warning = new MLevel( (jdk14api ? lvlClass.getField("WARNING").get(null) : null), 1000, "WARNING" );
86 }
87 catch ( Exception e )
88 {
89 e.printStackTrace();
90 throw new InternalError ("Huh? java.util.logging.Level is here, but not its expected public fields?");
91 }
92
93 ALL = all;
94 CONFIG = config;
95 FINE = fine;
96 FINER = finer;
97 FINEST = finest;
98 INFO = info;
99 OFF = off;
100 SEVERE = severe;
101 WARNING = warning;
102
103 Map tmp = new HashMap();
104 tmp.put( new Integer (all.intValue()), all);
105 tmp.put( new Integer (config.intValue()), config);
106 tmp.put( new Integer (fine.intValue()), fine);
107 tmp.put( new Integer (finer.intValue()), finer);
108 tmp.put( new Integer (finest.intValue()), finest);
109 tmp.put( new Integer (info.intValue()), info);
110 tmp.put( new Integer (off.intValue()), off);
111 tmp.put( new Integer (severe.intValue()), severe);
112 tmp.put( new Integer (warning.intValue()), warning);
113
114 integersToMLevels = Collections.unmodifiableMap( tmp );
115
116 tmp = new HashMap();
117 tmp.put( all.getSeverity(), all);
118 tmp.put( config.getSeverity(), config);
119 tmp.put( fine.getSeverity(), fine);
120 tmp.put( finer.getSeverity(), finer);
121 tmp.put( finest.getSeverity(), finest);
122 tmp.put( info.getSeverity(), info);
123 tmp.put( off.getSeverity(), off);
124 tmp.put( severe.getSeverity(), severe);
125 tmp.put( warning.getSeverity(), warning);
126
127 namesToMLevels = Collections.unmodifiableMap( tmp );
128 }
129
130 Object level;
131 int intval;
132 String lvlstring;
133
134 public int intValue()
135 { return intval; }
136
137 public Object asJdk14Level()
138 { return level; }
139
140 public String getSeverity()
141 { return lvlstring; }
142
143 public String toString()
144 { return this.getClass().getName() + this.getLineHeader(); }
145
146 public String getLineHeader()
147 { return "[" + lvlstring + ']';}
148
149 private MLevel(Object level, int intval, String lvlstring)
150 {
151 this.level = level;
152 this.intval = intval;
153 this.lvlstring = lvlstring;
154 }
155 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.