1
2
3
4
5
6
7
8
9
10
11 package ch.qos.logback.core.rolling.helper;
12
13 import java.util.Date;
14 import java.util.HashMap;
15 import java.util.Map;
16
17 import ch.qos.logback.core.Context;
18 import ch.qos.logback.core.pattern.Converter;
19 import ch.qos.logback.core.pattern.ConverterUtil;
20 import ch.qos.logback.core.pattern.parser.Node;
21 import ch.qos.logback.core.pattern.parser.Parser;
22 import ch.qos.logback.core.pattern.parser.ScanException;
23 import ch.qos.logback.core.pattern.util.AlmostAsIsEscapeUtil;
24 import ch.qos.logback.core.spi.ContextAwareBase;
25
26
27
28
29
30
31
32
33
34
35
36 public class FileNamePattern extends ContextAwareBase {
37
38 static final Map<String, String> CONVERTER_MAP = new HashMap<String, String>();
39 static {
40 CONVERTER_MAP.put("i", IntegerTokenConverter.class.getName());
41 CONVERTER_MAP.put("d", DateTokenConverter.class.getName());
42 }
43
44 String pattern;
45 Converter<Object> headTokenConverter;
46
47 public FileNamePattern(String patternArg, Context contextArg) {
48 setPattern(patternArg);
49 setContext(contextArg);
50 parse();
51 ConverterUtil.startConverters(this.headTokenConverter);
52 }
53
54 void parse() {
55 try {
56 Parser<Object> p = new Parser<Object>(pattern, new AlmostAsIsEscapeUtil());
57 p.setContext(context);
58 Node t = p.parse();
59 this.headTokenConverter = p.compile(t, CONVERTER_MAP);
60
61 } catch (ScanException sce) {
62 addError("Failed to parse pattern \"" + pattern + "\".", sce);
63 }
64 }
65
66 public String toString() {
67 return pattern;
68 }
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171 public DateTokenConverter getDateTokenConverter() {
172 Converter p = headTokenConverter;
173
174 while (p != null) {
175 if (p instanceof DateTokenConverter) {
176 return (DateTokenConverter) p;
177 }
178
179 p = p.getNext();
180 }
181
182 return null;
183 }
184
185 public IntegerTokenConverter getIntegerTokenConverter() {
186 Converter p = headTokenConverter;
187
188 while (p != null) {
189 if (p instanceof IntegerTokenConverter) {
190 return (IntegerTokenConverter) p;
191 }
192
193 p = p.getNext();
194 }
195 return null;
196 }
197
198 public String convert(Object o) {
199 Converter<Object> p = headTokenConverter;
200 StringBuffer buf = new StringBuffer();
201 while (p != null) {
202 buf.append(p.convert(o));
203 p = p.getNext();
204 }
205 return buf.toString();
206 }
207
208 public String convertInt(int i) {
209 Integer integerArg = new Integer(i);
210 return convert(integerArg);
211 }
212
213 public String convertDate(Date date) {
214 return convert(date);
215 }
216
217 public void setPattern(String pattern) {
218 if (pattern != null) {
219
220 this.pattern = pattern.trim();
221 }
222 }
223
224 public String getPattern() {
225 return pattern;
226 }
227 }