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Copy pathNonConfigurationInstanceProcessor.java
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129 lines (97 loc) · 5.08 KB
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/**
* 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.sun.codemodel.JExpr._new;
import static com.sun.codemodel.JExpr._null;
import static com.sun.codemodel.JExpr._super;
import static com.sun.codemodel.JExpr._this;
import static com.sun.codemodel.JExpr.cast;
import static com.sun.codemodel.JMod.FINAL;
import static com.sun.codemodel.JMod.PUBLIC;
import java.lang.annotation.Annotation;
import javax.lang.model.element.Element;
import com.googlecode.androidannotations.annotations.Bean;
import com.googlecode.androidannotations.annotations.NonConfigurationInstance;
import com.googlecode.androidannotations.helper.APTCodeModelHelper;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JClassAlreadyExistsException;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JFieldVar;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JMod;
import com.sun.codemodel.JVar;
public class NonConfigurationInstanceProcessor implements ElementProcessor {
private APTCodeModelHelper aptCodeModelHelper;
public NonConfigurationInstanceProcessor() {
aptCodeModelHelper = new APTCodeModelHelper();
}
@Override
public Class<? extends Annotation> getTarget() {
return NonConfigurationInstance.class;
}
@Override
public void process(Element element, JCodeModel codeModel, EBeansHolder activitiesHolder) throws JClassAlreadyExistsException {
EBeanHolder holder = activitiesHolder.getEnclosingEBeanHolder(element);
NonConfigurationHolder ncHolder = holder.nonConfigurationHolder;
if (ncHolder == null) {
ncHolder = new NonConfigurationHolder();
holder.nonConfigurationHolder = ncHolder;
ncHolder.holderClass = holder.eBean._class(JMod.PRIVATE | JMod.STATIC, "NonConfigurationInstancesHolder");
JFieldVar superNonConfigurationInstanceField = ncHolder.holderClass.field(PUBLIC | FINAL, Object.class, "superNonConfigurationInstance");
ncHolder.holderConstructor = ncHolder.holderClass.constructor(PUBLIC);
JVar superNonConfigurationInstanceParam = ncHolder.holderConstructor.param(Object.class, "superNonConfigurationInstance");
ncHolder.holderConstructor.body() //
.assign(_this().ref(superNonConfigurationInstanceField), superNonConfigurationInstanceParam);
{
// init()
JBlock initBody = holder.init.body();
ncHolder.initNonConfigurationInstance = initBody.decl(ncHolder.holderClass, "nonConfigurationInstance", cast(ncHolder.holderClass, _super().invoke("getLastNonConfigurationInstance")));
ncHolder.initIfNonConfiguration = initBody._if(ncHolder.initNonConfigurationInstance.ne(_null()))._then();
}
{
// getLastNonConfigurationInstance()
JMethod getLastNonConfigurationInstance = holder.eBean.method(PUBLIC, Object.class, "getLastNonConfigurationInstance");
getLastNonConfigurationInstance.annotate(Override.class);
JBlock body = getLastNonConfigurationInstance.body();
JVar nonConfigurationInstance = body.decl(ncHolder.holderClass, "nonConfigurationInstance", cast(ncHolder.holderClass, _super().invoke(getLastNonConfigurationInstance)));
body._if(nonConfigurationInstance.eq(_null()))._then()._return(_null());
body._return(nonConfigurationInstance.ref(superNonConfigurationInstanceField));
}
{
// onRetainNonConfigurationInstance()
JMethod onRetainNonConfigurationInstance = holder.eBean.method(PUBLIC, ncHolder.holderClass, "onRetainNonConfigurationInstance");
onRetainNonConfigurationInstance.annotate(Override.class);
ncHolder.newHolder = _new(ncHolder.holderClass);
ncHolder.newHolder.arg(_super().invoke(onRetainNonConfigurationInstance));
onRetainNonConfigurationInstance.body()._return(ncHolder.newHolder);
}
}
String fieldName = element.getSimpleName().toString();
JClass fieldType = aptCodeModelHelper.typeMirrorToJClass(element.asType(), holder);
JFieldVar field = ncHolder.holderClass.field(PUBLIC | FINAL, fieldType, fieldName);
JVar constructorParam = ncHolder.holderConstructor.param(fieldType, fieldName);
ncHolder.holderConstructor.body() //
.assign(_this().ref(field), constructorParam);
ncHolder.newHolder.arg(field);
ncHolder.initIfNonConfiguration.assign(field, ncHolder.initNonConfigurationInstance.ref(field));
boolean hasBeanAnnotation = element.getAnnotation(Bean.class) != null;
if (hasBeanAnnotation) {
JClass fieldGeneratedBeanClass = holder.refClass(fieldType.fullName() + "_");
ncHolder.initIfNonConfiguration.invoke(cast(fieldGeneratedBeanClass, field), "rebind").arg(_this());
}
}
}