This repository was archived by the owner on Feb 26, 2023. It is now read-only.
Repository navigation
Expand file tree
/
Copy pathSharedPrefHandler.java
More file actions
331 lines (280 loc) · 13.8 KB
/
Copy pathSharedPrefHandler.java
File metadata and controls
331 lines (280 loc) · 13.8 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
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
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
/**
* Copyright (C) 2010-2015 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.internal.core.handler;
import static com.sun.codemodel.JExpr.invoke;
import static com.sun.codemodel.JExpr.lit;
import static com.sun.codemodel.JMod.PRIVATE;
import static com.sun.codemodel.JMod.STATIC;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.ElementFilter;
import org.androidannotations.AndroidAnnotationsEnvironment;
import org.androidannotations.ElementValidation;
import org.androidannotations.annotations.ResId;
import org.androidannotations.annotations.sharedpreferences.DefaultBoolean;
import org.androidannotations.annotations.sharedpreferences.DefaultFloat;
import org.androidannotations.annotations.sharedpreferences.DefaultInt;
import org.androidannotations.annotations.sharedpreferences.DefaultLong;
import org.androidannotations.annotations.sharedpreferences.DefaultRes;
import org.androidannotations.annotations.sharedpreferences.DefaultString;
import org.androidannotations.annotations.sharedpreferences.DefaultStringSet;
import org.androidannotations.annotations.sharedpreferences.SharedPref;
import org.androidannotations.api.sharedpreferences.AbstractPrefField;
import org.androidannotations.api.sharedpreferences.BooleanPrefField;
import org.androidannotations.api.sharedpreferences.FloatPrefField;
import org.androidannotations.api.sharedpreferences.IntPrefField;
import org.androidannotations.api.sharedpreferences.LongPrefField;
import org.androidannotations.api.sharedpreferences.StringPrefField;
import org.androidannotations.api.sharedpreferences.StringSetPrefField;
import org.androidannotations.helper.CanonicalNameConstants;
import org.androidannotations.helper.IdAnnotationHelper;
import org.androidannotations.helper.IdValidatorHelper;
import org.androidannotations.helper.IdValidatorHelper.FallbackStrategy;
import org.androidannotations.holder.SharedPrefHolder;
import org.androidannotations.rclass.IRClass;
import org.androidannotations.rclass.IRClass.Res;
import org.androidannotations.rclass.IRInnerClass;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
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.JVar;
public class SharedPrefHandler extends CoreBaseGeneratingAnnotationHandler<SharedPrefHolder> {
private static final class DefaultPrefInfo<T> {
final Class<? extends Annotation> annotationClass;
final Class<? extends AbstractPrefField<?>> prefFieldClass;
final IRClass.Res resType;
final T defaultValue;
final String fieldHelperMethodName;
DefaultPrefInfo(Class<? extends Annotation> annotationClass, Class<? extends AbstractPrefField<?>> prefFieldClass, Res resType, T defaultValue, String fieldHelperMethodName) {
this.annotationClass = annotationClass;
this.prefFieldClass = prefFieldClass;
this.resType = resType;
this.defaultValue = defaultValue;
this.fieldHelperMethodName = fieldHelperMethodName;
}
}
private static final Map<String, DefaultPrefInfo<?>> DEFAULT_PREF_INFOS = new HashMap<String, SharedPrefHandler.DefaultPrefInfo<?>>() {
private static final long serialVersionUID = 1L;
{
put("boolean", new DefaultPrefInfo<>(DefaultBoolean.class, BooleanPrefField.class, IRClass.Res.BOOL, false, "booleanField"));
put("float", new DefaultPrefInfo<>(DefaultFloat.class, FloatPrefField.class, IRClass.Res.INTEGER, 0f, "floatField"));
put("int", new DefaultPrefInfo<>(DefaultInt.class, IntPrefField.class, IRClass.Res.INTEGER, 0, "intField"));
put("long", new DefaultPrefInfo<>(DefaultLong.class, LongPrefField.class, IRClass.Res.INTEGER, 0L, "longField"));
put(CanonicalNameConstants.STRING, new DefaultPrefInfo<>(DefaultString.class, StringPrefField.class, IRClass.Res.STRING, "", "stringField"));
put(CanonicalNameConstants.STRING_SET, new DefaultPrefInfo<Set<String>>(DefaultStringSet.class, StringSetPrefField.class, null, null, "stringSetField"));
}
};
public SharedPrefHandler(AndroidAnnotationsEnvironment environment) {
super(SharedPref.class, environment);
}
@Override
public SharedPrefHolder createGeneratedClassHolder(AndroidAnnotationsEnvironment environment, TypeElement annotatedElement) throws Exception {
return new SharedPrefHolder(environment, annotatedElement);
}
@Override
public void validate(Element element, ElementValidation validation) {
super.validate(element, validation);
TypeElement typeElement = (TypeElement) element;
validatorHelper.isInterface(typeElement, validation);
List<? extends Element> inheritedMembers = getProcessingEnvironment().getElementUtils().getAllMembers(typeElement);
for (Element memberElement : inheritedMembers) {
if (!memberElement.getEnclosingElement().asType().toString().equals("java.lang.Object")) {
coreValidatorHelper.isPrefMethod(memberElement, validation);
DefaultPrefInfo<?> info;
IdValidatorHelper defaultAnnotationValidatorHelper = null;
if (validation.isValid()) {
info = DEFAULT_PREF_INFOS.get(((ExecutableElement) memberElement).getReturnType().toString());
coreValidatorHelper.hasCorrectDefaultAnnotation((ExecutableElement) memberElement, validation);
if (validation.isValid() && memberElement.getAnnotation(DefaultRes.class) != null) {
defaultAnnotationValidatorHelper = new IdValidatorHelper(new IdAnnotationHelper(getEnvironment(), DefaultRes.class.getName()));
defaultAnnotationValidatorHelper.resIdsExist(memberElement, info.resType, FallbackStrategy.USE_ELEMENT_NAME, validation);
} else if (validation.isValid() && memberElement.getAnnotation(info.annotationClass) != null) {
defaultAnnotationValidatorHelper = new IdValidatorHelper(new IdAnnotationHelper(getEnvironment(), info.annotationClass.getName()));
}
if (validation.isValid() && defaultAnnotationValidatorHelper != null) {
defaultAnnotationValidatorHelper.annotationParameterIsOptionalValidResId(memberElement, IRClass.Res.STRING, "keyRes", validation);
}
}
}
}
}
@Override
public void process(Element element, SharedPrefHolder holder) {
generateConstructor(element, holder);
generateFieldMethodAndEditorFieldMethod(element, holder);
}
private void generateConstructor(Element element, SharedPrefHolder holder) {
SharedPref sharedPrefAnnotation = element.getAnnotation(SharedPref.class);
SharedPref.Scope scope = sharedPrefAnnotation.value();
int mode = sharedPrefAnnotation.mode();
String interfaceSimpleName = element.getSimpleName().toString();
JBlock constructorSuperBlock = holder.getConstructorSuperBlock();
JVar contextParam = holder.getConstructorContextParam();
switch (scope) {
case ACTIVITY_DEFAULT: {
JMethod getLocalClassName = getLocalClassName(holder);
constructorSuperBlock.invoke("super") //
.arg(contextParam.invoke("getSharedPreferences") //
.arg(invoke(getLocalClassName).arg(contextParam)) //
.arg(lit(mode)));
break;
}
case ACTIVITY: {
JMethod getLocalClassName = getLocalClassName(holder);
constructorSuperBlock.invoke("super") //
.arg(contextParam.invoke("getSharedPreferences") //
.arg(invoke(getLocalClassName).arg(contextParam) //
.plus(lit("_" + interfaceSimpleName))) //
.arg(lit(mode)));
break;
}
case UNIQUE: {
constructorSuperBlock.invoke("super") //
.arg(contextParam.invoke("getSharedPreferences") //
.arg(lit(interfaceSimpleName)) //
.arg(lit(mode)));
break;
}
case APPLICATION_DEFAULT: {
JClass preferenceManagerClass = getJClass("android.preference.PreferenceManager");
constructorSuperBlock.invoke("super") //
.arg(preferenceManagerClass.staticInvoke("getDefaultSharedPreferences") //
.arg(contextParam));
break;
}
}
}
private JMethod getLocalClassName(SharedPrefHolder holder) {
JClass stringClass = getClasses().STRING;
JMethod getLocalClassName = holder.getGeneratedClass().method(PRIVATE | STATIC, stringClass, "getLocalClassName");
JClass contextClass = getClasses().CONTEXT;
JVar contextParam = getLocalClassName.param(contextClass, "context");
JBlock body = getLocalClassName.body();
JVar packageName = body.decl(stringClass, "packageName", contextParam.invoke("getPackageName"));
JVar className = body.decl(stringClass, "className", contextParam.invoke("getClass").invoke("getName"));
JVar packageLen = body.decl(getCodeModel().INT, "packageLen", packageName.invoke("length"));
JExpression condition = className.invoke("startsWith").arg(packageName).not() //
.cor(className.invoke("length").lte(packageLen)) //
.cor(className.invoke("charAt").arg(packageLen).ne(lit('.')));
body._if(condition)._then()._return(className);
body._return(className.invoke("substring").arg(packageLen.plus(lit(1))));
return getLocalClassName;
}
private void generateFieldMethodAndEditorFieldMethod(Element element, SharedPrefHolder sharedPrefHolder) {
for (ExecutableElement method : getValidMethods(element)) {
JExpression keyExpression = generateFieldMethod(sharedPrefHolder, method);
sharedPrefHolder.createEditorFieldMethods(method, keyExpression);
}
}
private List<ExecutableElement> getValidMethods(Element element) {
List<? extends Element> members = element.getEnclosedElements();
List<ExecutableElement> methods = ElementFilter.methodsIn(members);
List<ExecutableElement> validMethods = new ArrayList<>();
for (ExecutableElement method : methods) {
validMethods.add(method);
}
return validMethods;
}
private JExpression generateFieldMethod(SharedPrefHolder holder, ExecutableElement method) {
DefaultPrefInfo<?> info = DEFAULT_PREF_INFOS.get(method.getReturnType().toString());
return createFieldMethod(holder, method, info.annotationClass, info.prefFieldClass, info.defaultValue, info.resType, info.fieldHelperMethodName);
}
private JExpression createFieldMethod(SharedPrefHolder holder, ExecutableElement method, Class<? extends Annotation> annotationClass, Class<? extends AbstractPrefField<?>> prefFieldClass,
Object defaultValue, Res resType, String fieldHelperMethodName) {
Annotation annotation = method.getAnnotation(annotationClass);
JExpression defaultValueExpr;
Object value = null;
if (annotation != null) {
value = annotationHelper.extractAnnotationParameter(method, annotationClass.getName(), "value");
}
if (annotation != null && method.getAnnotation(DefaultStringSet.class) == null) {
defaultValueExpr = codeModelHelper.litObject(value);
} else if (method.getAnnotation(DefaultRes.class) != null) {
defaultValueExpr = extractResValue(holder, method, resType);
annotationClass = DefaultRes.class;
} else if (method.getAnnotation(DefaultStringSet.class) != null) {
if (value != null) {
Set<String> arrayValues = new HashSet<>(Arrays.asList((String[]) value));
value = arrayValues;
JInvocation arrayAsList = getClasses().ARRAYS.staticInvoke("asList");
for (String arrayValue : arrayValues) {
arrayAsList.arg(lit(arrayValue));
}
defaultValueExpr = JExpr._new(getClasses().HASH_SET.narrow(getClasses().STRING)).arg(arrayAsList);
} else {
defaultValueExpr = newEmptyStringHashSet();
}
annotationClass = DefaultStringSet.class;
} else {
defaultValueExpr = defaultValue != null ? codeModelHelper.litObject(defaultValue) : newEmptyStringHashSet();
annotationClass = null;
}
Integer keyResId = ResId.DEFAULT_VALUE;
if (annotationClass != null) {
keyResId = annotationHelper.extractAnnotationParameter(method, annotationClass.getName(), "keyRes");
}
JExpression keyExpression;
String fieldName = method.getSimpleName().toString();
if (keyResId == ResId.DEFAULT_VALUE) {
keyExpression = lit(fieldName);
} else {
IRInnerClass idClass = getEnvironment().getRClass().get(IRClass.Res.STRING);
JFieldRef idRef = idClass.getIdStaticRef(keyResId, getEnvironment());
keyExpression = holder.getEditorContextField().invoke("getString").arg(idRef);
}
String docComment = getProcessingEnvironment().getElementUtils().getDocComment(method);
String defaultValueStr = value == null ? null : value.toString();
if (defaultValueStr == null) {
defaultValueStr = defaultValue == null ? null : defaultValue.toString();
}
holder.createFieldMethod(prefFieldClass, keyExpression, fieldName, fieldHelperMethodName, defaultValueExpr, docComment, defaultValueStr);
return keyExpression;
}
private JExpression extractResValue(SharedPrefHolder holder, Element method, IRClass.Res res) {
JFieldRef idRef = annotationHelper.extractOneAnnotationFieldRef(method, DefaultRes.class.getCanonicalName(), res, true);
String resourceGetMethodName = null;
switch (res) {
case BOOL:
resourceGetMethodName = "getBoolean";
break;
case INTEGER:
resourceGetMethodName = "getInteger";
break;
case STRING:
resourceGetMethodName = "getString";
break;
default:
break;
}
return holder.getContextField().invoke("getResources").invoke(resourceGetMethodName).arg(idRef);
}
private JExpression newEmptyStringHashSet() {
return JExpr._new(getClasses().HASH_SET.narrow(getClasses().STRING)).arg(lit(0));
}
}