Repository navigation
Expand file tree
/
Copy pathTraceProcessor.java
More file actions
152 lines (122 loc) · 4.83 KB
/
Copy pathTraceProcessor.java
File metadata and controls
152 lines (122 loc) · 4.83 KB
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
/**
* Copyright (C) 2010-2013 eBusiness Information, Excilys Group
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed To in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.androidannotations.processing;
import static org.androidannotations.helper.AndroidConstants.LOG_DEBUG;
import static org.androidannotations.helper.AndroidConstants.LOG_ERROR;
import static org.androidannotations.helper.AndroidConstants.LOG_INFO;
import static org.androidannotations.helper.AndroidConstants.LOG_VERBOSE;
import static org.androidannotations.helper.AndroidConstants.LOG_WARN;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import org.androidannotations.annotations.Trace;
import org.androidannotations.helper.APTCodeModelHelper;
import org.androidannotations.processing.EBeansHolder.Classes;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JConditional;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JExpression;
import com.sun.codemodel.JFieldRef;
import com.sun.codemodel.JInvocation;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JTryBlock;
import com.sun.codemodel.JVar;
public class TraceProcessor implements DecoratingElementProcessor {
private final APTCodeModelHelper helper = new APTCodeModelHelper();
@Override
public String getTarget() {
return Trace.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeanHolder holder) {
Classes classes = holder.classes();
ExecutableElement executableElement = (ExecutableElement) element;
String tag = extractTag(executableElement);
int level = executableElement.getAnnotation(Trace.class).level();
JMethod method = helper.overrideAnnotatedMethod(executableElement, holder);
JBlock previousMethodBody = helper.removeBody(method);
JBlock methodBody = method.body();
JInvocation isLoggableInvocation = classes.LOG.staticInvoke("isLoggable");
isLoggableInvocation.arg(JExpr.lit(tag)).arg(logLevelFromInt(level, classes.LOG));
JConditional ifStatement = methodBody._if(isLoggableInvocation);
JInvocation currentTimeInvoke = classes.SYSTEM.staticInvoke("currentTimeMillis");
JBlock _thenBody = ifStatement._then();
JVar startDeclaration = _thenBody.decl(codeModel.LONG, "start", currentTimeInvoke);
String methodName = "[" + element.toString() + "]";
// Log In
String logMethodName = logMethodNameFromLevel(level);
JInvocation logEnterInvoke = classes.LOG.staticInvoke(logMethodName);
logEnterInvoke.arg(tag);
JExpression enterMessage = JExpr.lit("Entering " + methodName);
logEnterInvoke.arg(enterMessage);
_thenBody.add(logEnterInvoke);
JTryBlock tryBlock = _thenBody._try();
tryBlock.body().add(previousMethodBody);
JBlock finallyBlock = tryBlock._finally();
JVar durationDeclaration = finallyBlock.decl(codeModel.LONG, "duration", currentTimeInvoke.minus(startDeclaration));
JInvocation logExitInvoke = classes.LOG.staticInvoke(logMethodName);
logExitInvoke.arg(tag);
JExpression exitMessage = JExpr.lit("Exiting " + methodName + ", duration in ms: ").plus(durationDeclaration);
logExitInvoke.arg(exitMessage);
finallyBlock.add(logExitInvoke);
JBlock elseBlock = ifStatement._else();
elseBlock.add(previousMethodBody);
}
private String logMethodNameFromLevel(int level) {
switch (level) {
case LOG_DEBUG:
return "d";
case LOG_VERBOSE:
return "v";
case LOG_INFO:
return "i";
case LOG_WARN:
return "w";
case LOG_ERROR:
return "e";
default:
throw new IllegalArgumentException("Unrecognized Log level : " + level);
}
}
private JFieldRef logLevelFromInt(int level, JClass logClass) {
switch (level) {
case LOG_DEBUG:
return logClass.staticRef("DEBUG");
case LOG_VERBOSE:
return logClass.staticRef("VERBOSE");
case LOG_INFO:
return logClass.staticRef("INFO");
case LOG_WARN:
return logClass.staticRef("WARN");
case LOG_ERROR:
return logClass.staticRef("ERROR");
default:
throw new IllegalArgumentException("Unrecognized log level. Given value:" + level);
}
}
private String extractTag(Element element) {
Trace annotation = element.getAnnotation(Trace.class);
String tag = annotation.tag();
if (Trace.DEFAULT_TAG.equals(tag)) {
tag = element.getEnclosingElement().getSimpleName().toString();
}
if (tag.length() > 23) {
tag = tag.substring(0, 23);
}
return tag;
}
}