Repository navigation
Expand file tree
/
Copy pathEBeanProcessor.java
More file actions
183 lines (133 loc) · 5.75 KB
/
Copy pathEBeanProcessor.java
File metadata and controls
183 lines (133 loc) · 5.75 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
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
/**
* Copyright (C) 2010-2011 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 com.googlecode.androidannotations.processing;
import static com.googlecode.androidannotations.helper.ModelConstants.GENERATION_SUFFIX;
import static com.sun.codemodel.JExpr._new;
import static com.sun.codemodel.JExpr._null;
import static com.sun.codemodel.JExpr.cast;
import static com.sun.codemodel.JMod.FINAL;
import static com.sun.codemodel.JMod.PRIVATE;
import static com.sun.codemodel.JMod.PUBLIC;
import static com.sun.codemodel.JMod.STATIC;
import java.lang.annotation.Annotation;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import com.googlecode.androidannotations.annotations.EBean;
import com.googlecode.androidannotations.api.Scope;
import com.googlecode.androidannotations.helper.APTCodeModelHelper;
import com.sun.codemodel.ClassType;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JFieldVar;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JVar;
public class EBeanProcessor implements ElementProcessor {
public static final String GET_INSTANCE_METHOD_NAME = "getInstance" + GENERATION_SUFFIX;
@Override
public Class<? extends Annotation> getTarget() {
return EBean.class;
}
@Override
public void process(Element element, JCodeModel codeModel, EBeansHolder eBeansHolder) throws Exception {
EBeanHolder holder = eBeansHolder.create(element);
TypeElement typeElement = (TypeElement) element;
String eBeanQualifiedName = typeElement.getQualifiedName().toString();
String generatedBeanQualifiedName = eBeanQualifiedName + GENERATION_SUFFIX;
holder.eBean = codeModel._class(PUBLIC | FINAL, generatedBeanQualifiedName, ClassType.CLASS);
JClass eBeanClass = codeModel.directClass(eBeanQualifiedName);
holder.eBean._extends(eBeanClass);
JClass contextClass = holder.refClass("android.content.Context");
JClass activityClass = holder.refClass("android.app.Activity");
JFieldVar contextField = holder.eBean.field(PRIVATE, contextClass, "context_");
holder.contextRef = contextField;
{
// afterSetContentView
holder.afterSetContentView = holder.eBean.method(PUBLIC, codeModel.VOID, "afterSetContentView_");
JBlock afterSetContentViewBody = holder.afterSetContentView.body();
afterSetContentViewBody._if(holder.contextRef._instanceof(activityClass).not())._then()._return();
}
JClass viewClass = holder.refClass("android.view.View");
{
// findViewById
JMethod findViewById = holder.eBean.method(PUBLIC, viewClass, "findViewById");
JVar idParam = findViewById.param(codeModel.INT, "id");
findViewById.javadoc().add("You should check that context is an activity before calling this method");
JBlock findViewByIdBody = findViewById.body();
JVar activityVar = findViewByIdBody.decl(activityClass, "activity", cast(activityClass, holder.contextRef));
findViewByIdBody._return(activityVar.invoke(findViewById).arg(idParam));
}
{
// init
holder.init = holder.eBean.method(PRIVATE, codeModel.VOID, "init_");
}
{
// init if activity
/*
* We suppress all warnings because we generate an unused warning
* that may or may not valid
*/
holder.init.annotate(SuppressWarnings.class).param("value", "all");
APTCodeModelHelper helper = new APTCodeModelHelper();
holder.initIfActivityBody = helper.ifContextInstanceOfActivity(holder, holder.init.body());
holder.initActivityRef = helper.castContextToActivity(holder, holder.initIfActivityBody);
}
{
// Constructor
JMethod constructor = holder.eBean.constructor(PRIVATE);
JVar constructorContextParam = constructor.param(contextClass, "context");
JBlock constructorBody = constructor.body();
constructorBody.assign(contextField, constructorContextParam);
constructorBody.invoke(holder.init);
}
EBean eBeanAnnotation = element.getAnnotation(EBean.class);
Scope eBeanScope = eBeanAnnotation.scope();
boolean hasSingletonScope = eBeanScope == Scope.Singleton;
{
// Factory method
JMethod factoryMethod = holder.eBean.method(PUBLIC | STATIC, holder.eBean, GET_INSTANCE_METHOD_NAME);
JVar factoryMethodContextParam = factoryMethod.param(contextClass, "context");
JBlock factoryMethodBody = factoryMethod.body();
/*
* Singletons are bound to the application context
*/
if (hasSingletonScope) {
JFieldVar instanceField = holder.eBean.field(PRIVATE | STATIC, holder.eBean, "instance_");
factoryMethodBody //
._if(instanceField.eq(_null())) //
._then() //
.assign(instanceField, _new(holder.eBean).arg(factoryMethodContextParam.invoke("getApplicationContext")));
factoryMethodBody._return(instanceField);
} else {
factoryMethodBody._return(_new(holder.eBean).arg(factoryMethodContextParam));
}
}
{
// rebind(Context)
JMethod rebindMethod = holder.eBean.method(PUBLIC, codeModel.VOID, "rebind");
JVar contextParam = rebindMethod.param(contextClass, "context");
/*
* No rebinding of context for singletons, their are bound to the
* application context
*/
if (!hasSingletonScope) {
JBlock body = rebindMethod.body();
body.assign(contextField, contextParam);
body.invoke(holder.init);
}
}
}
}