1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
/*
* Copyright (C) 2010-2019 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac.handlers;
import static lombok.core.handlers.HandlerUtil.*;
import static lombok.javac.Javac.CTC_BOT;
import static lombok.javac.handlers.JavacHandlerUtil.*;
import lombok.ConfigurationKeys;
import lombok.core.AnnotationValues;
import lombok.core.configuration.IdentifierName;
import lombok.core.configuration.LogDeclaration;
import lombok.core.configuration.LogDeclaration.LogFactoryParameter;
import lombok.core.handlers.LoggingFramework;
import lombok.javac.JavacAnnotationHandler;
import lombok.javac.JavacNode;
import lombok.javac.JavacTreeMaker;
import lombok.javac.handlers.JavacHandlerUtil.MemberExistsResult;
import org.mangosdk.spi.ProviderFor;
import com.sun.tools.javac.code.Flags;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCExpression;
import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
import com.sun.tools.javac.tree.JCTree.JCMethodInvocation;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.util.List;
import com.sun.tools.javac.util.Name;
public class HandleLog {
private static final IdentifierName LOG = IdentifierName.valueOf("log");
private HandleLog() {
throw new UnsupportedOperationException();
}
public static void processAnnotation(LoggingFramework framework, AnnotationValues<?> annotation, JavacNode annotationNode) {
deleteAnnotationIfNeccessary(annotationNode, framework.getAnnotationClass());
JavacNode typeNode = annotationNode.up();
switch (typeNode.getKind()) {
case TYPE:
IdentifierName logFieldName = annotationNode.getAst().readConfiguration(ConfigurationKeys.LOG_ANY_FIELD_NAME);
if (logFieldName == null) logFieldName = LOG;
boolean useStatic = !Boolean.FALSE.equals(annotationNode.getAst().readConfiguration(ConfigurationKeys.LOG_ANY_FIELD_IS_STATIC));
if ((((JCClassDecl) typeNode.get()).mods.flags & Flags.INTERFACE) != 0) {
annotationNode.addError(framework.getAnnotationAsString() + " is legal only on classes and enums.");
return;
}
if (fieldExists(logFieldName.getName(), typeNode) != MemberExistsResult.NOT_EXISTS) {
annotationNode.addWarning("Field '" + logFieldName + "' already exists.");
return;
}
Object valueGuess = annotation.getValueGuess("topic");
JCExpression loggerTopic = (JCExpression) annotation.getActualExpression("topic");
if (valueGuess instanceof String && ((String) valueGuess).trim().isEmpty()) loggerTopic = null;
if (framework.getDeclaration().getParametersWithTopic() == null && loggerTopic != null) {
annotationNode.addError(framework.getAnnotationAsString() + " does not allow a topic.");
loggerTopic = null;
}
if (framework.getDeclaration().getParametersWithoutTopic() == null && loggerTopic == null) {
annotationNode.addError(framework.getAnnotationAsString() + " requires a topic.");
loggerTopic = typeNode.getTreeMaker().Literal("");
}
JCFieldAccess loggingType = selfType(typeNode);
createField(framework, typeNode, loggingType, annotationNode, logFieldName.getName(), useStatic, loggerTopic);
break;
default:
annotationNode.addError("@Log is legal only on types.");
break;
}
}
public static JCFieldAccess selfType(JavacNode typeNode) {
JavacTreeMaker maker = typeNode.getTreeMaker();
Name name = ((JCClassDecl) typeNode.get()).name;
return maker.Select(maker.Ident(name), typeNode.toName("class"));
}
private static boolean createField(LoggingFramework framework, JavacNode typeNode, JCFieldAccess loggingType, JavacNode source, String logFieldName, boolean useStatic, JCExpression loggerTopic) {
JavacTreeMaker maker = typeNode.getTreeMaker();
LogDeclaration logDeclaration = framework.getDeclaration();
// private static final <loggerType> log = <factoryMethod>(<parameter>);
JCExpression loggerType = chainDotsString(typeNode, logDeclaration.getLoggerType().getName());
JCExpression factoryMethod = chainDotsString(typeNode, logDeclaration.getLoggerFactoryType().getName() + "." + logDeclaration.getLoggerFactoryMethod().getName());
java.util.List<LogFactoryParameter> parameters = loggerTopic != null ? logDeclaration.getParametersWithTopic() : logDeclaration.getParametersWithoutTopic();
JCExpression[] factoryParameters = createFactoryParameters(typeNode, loggingType, parameters, loggerTopic);
JCMethodInvocation factoryMethodCall = maker.Apply(List.<JCExpression>nil(), factoryMethod, List.<JCExpression>from(factoryParameters));
JCVariableDecl fieldDecl = recursiveSetGeneratedBy(maker.VarDef(
maker.Modifiers(Flags.PRIVATE | Flags.FINAL | (useStatic ? Flags.STATIC : 0)),
typeNode.toName(logFieldName), loggerType, factoryMethodCall), source);
injectFieldAndMarkGenerated(typeNode, fieldDecl);
return true;
}
private static JCExpression[] createFactoryParameters(JavacNode typeNode, JCFieldAccess loggingType, java.util.List<LogFactoryParameter> parameters, JCExpression loggerTopic) {
JCExpression[] expressions = new JCExpression[parameters.size()];
JavacTreeMaker maker = typeNode.getTreeMaker();
for (int i = 0; i < parameters.size(); i++) {
LogFactoryParameter parameter = parameters.get(i);
switch (parameter) {
case TYPE:
expressions[i] = loggingType;
break;
case NAME:
JCExpression method = maker.Select(loggingType, typeNode.toName("getName"));
expressions[i] = maker.Apply(List.<JCExpression>nil(), method, List.<JCExpression>nil());
break;
case TOPIC:
expressions[i] = (JCExpression) loggerTopic.clone();
break;
case NULL:
expressions[i] = maker.Literal(CTC_BOT, null);
break;
default:
throw new IllegalStateException("Unknown logger factory parameter type: " + parameter);
}
}
return expressions;
}
/**
* Handles the {@link lombok.extern.apachecommons.CommonsLog} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleCommonsLog extends JavacAnnotationHandler<lombok.extern.apachecommons.CommonsLog> {
@Override public void handle(AnnotationValues<lombok.extern.apachecommons.CommonsLog> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_COMMONS_FLAG_USAGE, "@apachecommons.CommonsLog", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
processAnnotation(LoggingFramework.COMMONS, annotation, annotationNode);
}
}
/**
* Handles the {@link lombok.extern.java.Log} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleJulLog extends JavacAnnotationHandler<lombok.extern.java.Log> {
@Override public void handle(AnnotationValues<lombok.extern.java.Log> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_JUL_FLAG_USAGE, "@java.Log", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
processAnnotation(LoggingFramework.JUL, annotation, annotationNode);
}
}
/**
* Handles the {@link lombok.extern.log4j.Log4j} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleLog4jLog extends JavacAnnotationHandler<lombok.extern.log4j.Log4j> {
@Override public void handle(AnnotationValues<lombok.extern.log4j.Log4j> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_LOG4J_FLAG_USAGE, "@Log4j", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
processAnnotation(LoggingFramework.LOG4J, annotation, annotationNode);
}
}
/**
* Handles the {@link lombok.extern.log4j.Log4j2} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleLog4j2Log extends JavacAnnotationHandler<lombok.extern.log4j.Log4j2> {
@Override public void handle(AnnotationValues<lombok.extern.log4j.Log4j2> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_LOG4J2_FLAG_USAGE, "@Log4j2", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
processAnnotation(LoggingFramework.LOG4J2, annotation, annotationNode);
}
}
/**
* Handles the {@link lombok.extern.slf4j.Slf4j} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleSlf4jLog extends JavacAnnotationHandler<lombok.extern.slf4j.Slf4j> {
@Override public void handle(AnnotationValues<lombok.extern.slf4j.Slf4j> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_SLF4J_FLAG_USAGE, "@Slf4j", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
processAnnotation(LoggingFramework.SLF4J, annotation, annotationNode);
}
}
/**
* Handles the {@link lombok.extern.slf4j.XSlf4j} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleXSlf4jLog extends JavacAnnotationHandler<lombok.extern.slf4j.XSlf4j> {
@Override public void handle(AnnotationValues<lombok.extern.slf4j.XSlf4j> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_XSLF4J_FLAG_USAGE, "@XSlf4j", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
processAnnotation(LoggingFramework.XSLF4J, annotation, annotationNode);
}
}
/**
* Handles the {@link lombok.extern.jbosslog.JBossLog} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleJBossLog extends JavacAnnotationHandler<lombok.extern.jbosslog.JBossLog> {
@Override public void handle(AnnotationValues<lombok.extern.jbosslog.JBossLog> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_JBOSSLOG_FLAG_USAGE, "@JBossLog", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
processAnnotation(LoggingFramework.JBOSSLOG, annotation, annotationNode);
}
}
/**
* Handles the {@link lombok.extern.flogger.Flogger} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleFloggerLog extends JavacAnnotationHandler<lombok.extern.flogger.Flogger> {
@Override public void handle(AnnotationValues<lombok.extern.flogger.Flogger> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_FLOGGER_FLAG_USAGE, "@Flogger", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
processAnnotation(LoggingFramework.FLOGGER, annotation, annotationNode);
}
}
/**
* Handles the {@link lombok.CustomLog} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
public static class HandleCustomLog extends JavacAnnotationHandler<lombok.CustomLog> {
@Override public void handle(AnnotationValues<lombok.CustomLog> annotation, JCAnnotation ast, JavacNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.LOG_CUSTOM_FLAG_USAGE, "@CustomLog", ConfigurationKeys.LOG_ANY_FLAG_USAGE, "any @Log");
LogDeclaration logDeclaration = annotationNode.getAst().readConfiguration(ConfigurationKeys.LOG_CUSTOM_DECLARATION);
if (logDeclaration == null) {
annotationNode.addError("The @CustomLog is not configured; please set log.custom.declaration in lombok.config.");
return;
}
LoggingFramework framework = new LoggingFramework(lombok.CustomLog.class, logDeclaration);
processAnnotation(framework, annotation, annotationNode);
}
}
}
|
