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1
4 package com.tc.object.logging;
5
6 import com.tc.logging.TCLogger;
7
8 import java.util.Arrays  ;
9 import java.util.Collections ;
10 import java.util.HashMap ;
11 import java.util.HashSet ;
12 import java.util.Map ;
13 import java.util.Set ;
14
15
18 public class Options {
19 public static final String ALL = "ALL";
20 public static final String NONE = "NONE";
21
22 private final Map options = new HashMap ();
23
24 public Options(String input, String [] keys, TCLogger logger, Map defaults) {
25 if (keys == null) { throw new NullPointerException ("keys is null"); }
26 if (logger == null) { throw new NullPointerException ("logger is null"); }
27 checkKeys(keys);
28
29 if (defaults == null) {
30 defaults = Collections.EMPTY_MAP;
31 }
32
33 if (input != null) {
34 input = input.replaceAll("\\s", "");
35 if (input.length() > 0) {
36 Set valid = new HashSet (Arrays.asList(keys));
37 String [] configValues = input.split(",");
38
39 for (int i = 0; i < configValues.length; i++) {
40 String value = configValues[i];
41 if (value.length() > 0) {
42 boolean negate = value.startsWith("-");
43 if (negate) {
44 value = value.substring(1);
45 }
46
47 if (value.length() == 0) {
48 continue;
49 }
50
51 if (valid.contains(value)) {
52 options.put(value, negate ? Boolean.FALSE : Boolean.TRUE);
53 } else if (ALL.equals(value)) {
54 enableAll(keys);
55 } else if (NONE.equals(value)) {
56 disableAll(keys);
57 } else {
58 logger.warn("[" + value + "] is not a valid option, ignoring it");
59 }
60 }
61 }
62 }
63 }
64
65 defaultMissingOptions(keys, defaults);
66 }
67
68 private void disableAll(String [] keys) {
69 for (int i = 0; i < keys.length; i++) {
70 options.put(keys[i], Boolean.FALSE);
71 }
72 }
73
74 private void checkKeys(String [] keys) {
75 for (int i = 0; i < keys.length; i++) {
76 String key = keys[i];
77 if (ALL.equals(key) || NONE.equals(key)) { throw new IllegalArgumentException ("Illegal key " + key
78 + " at position " + i); }
79 }
80 }
81
82 public boolean getOption(String opt) {
83 return ((Boolean ) options.get(opt)).booleanValue();
84 }
85
86 private void enableAll(String [] keys) {
87 for (int i = 0; i < keys.length; i++) {
88 options.put(keys[i], Boolean.TRUE);
89 }
90 }
91
92 private void defaultMissingOptions(String [] keys, Map defaults) {
93 for (int i = 0; i < keys.length; i++) {
94 String key = keys[i];
95 if (defaults.containsKey(key) && !options.containsKey(key)) {
96 Object value = defaults.get(key);
97 if (value instanceof Boolean ) {
98 options.put(key, value);
99 } else {
100 throw new IllegalArgumentException ("Invalid default value in map for " + key + ": " + value);
101 }
102 }
103
104 if (!options.containsKey(key)) {
106 options.put(key, Boolean.FALSE);
107 }
108 }
109 }
110
111 }
112 |
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