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16 package com.google.gwt.dev.util.msg;
17
18 import com.google.gwt.core.ext.TreeLogger;
19
20 import java.io.File  ;
21 import java.lang.reflect.Method ;
22 import java.net.URL ;
23
24
30 public abstract class Message {
31
32 private static final Formatter FMT_TOSTRING = new FormatterToString();
33 private static final Formatter FMT_CLASS = new FormatterForClass();
34 private static final Formatter FMT_FILE = new FormatterForFile();
35 private static final Formatter FMT_URL = new FormatterForURL();
36 private static final Formatter FMT_INTEGER = new FormatterForInteger();
37 private static final Formatter FMT_LONG = new FormatterForLong();
38 private static final Formatter FMT_METHOD = new FormatterForMethod();
39 private static final Formatter FMT_STRING = new FormatterForString();
40 private static final Formatter FMT_STRING_ARRAY = new FormatterForStringArray();
41
42 protected final TreeLogger.Type type;
43
44 protected final char[][] fmtParts;
45
46 protected final int[] argIndices;
47
48 protected final int minChars;
49
50
53 protected Message(TreeLogger.Type type, String fmt, int args) {
54 assert (type != null);
55 assert (fmt != null);
56 assert (args >= 0);
57 this.type = type;
58
59 fmtParts = new char[args + 1][];
60 argIndices = new int[args];
61 int from = 0;
62 for (int i = 0; i < args; ++i) {
63 int to = fmt.indexOf('$', from);
64 if (to != -1) {
65 if (to < fmt.length() - 1) {
66 char charDigit = fmt.charAt(to + 1);
67 if (Character.isDigit(charDigit)) {
68 int digit = Character.digit(charDigit, 10);
69 fmtParts[i] = fmt.substring(from, to).toCharArray();
70 argIndices[i] = digit;
71 from = to + 2;
72 continue;
73 }
74 }
75 }
76 throw new IllegalArgumentException ("Expected arg $" + i);
77 }
78 fmtParts[args] = fmt.substring(from).toCharArray();
79
80 int minNumChars = 0;
81 for (int i = 0, n = fmtParts.length; i < n; ++i) {
82 minNumChars += fmtParts[i].length;
83 }
84 this.minChars = minNumChars;
85 }
86
87 protected final Formatter getFormatter(Class c) {
88 return FMT_CLASS;
89 }
90
91 protected final Formatter getFormatter(File f) {
92 return FMT_FILE;
93 }
94
95 protected final Formatter getFormatter(Integer i) {
96 return FMT_INTEGER;
97 }
98
99 protected Formatter getFormatter(Long l) {
100 return FMT_LONG;
101 }
102
103 protected final Formatter getFormatter(Method m) {
104 return FMT_METHOD;
105 }
106
107 protected final Formatter getFormatter(String s) {
108 return FMT_STRING;
109 }
110
111 protected final Formatter getFormatter(String [] sa) {
112 return FMT_STRING_ARRAY;
113 }
114
115 protected final Formatter getFormatter(URL u) {
116 return FMT_URL;
117 }
118
119 protected final Formatter getToStringFormatter() {
120 return FMT_TOSTRING;
121 }
122 }
123 |
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