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/**
* 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.handler;
import static com.sun.codemodel.JExpr._this;
import static com.sun.codemodel.JExpr.cast;
import static com.sun.codemodel.JExpr.ref;
import static org.androidannotations.helper.ModelConstants.classSuffix;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.type.TypeMirror;
import org.androidannotations.annotations.Bean;
import org.androidannotations.annotations.NonConfigurationInstance;
import org.androidannotations.helper.APTCodeModelHelper;
import org.androidannotations.helper.AnnotationHelper;
import org.androidannotations.holder.EActivityHolder;
import org.androidannotations.holder.NonConfigurationHolder;
import org.androidannotations.model.AnnotationElements;
import org.androidannotations.process.IsValid;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JClassAlreadyExistsException;
import com.sun.codemodel.JFieldVar;
import com.sun.codemodel.JVar;
public class NonConfigurationInstanceHandler extends BaseAnnotationHandler<EActivityHolder> {
private final APTCodeModelHelper codeModelHelper;
private final AnnotationHelper annotationHelper;
public NonConfigurationInstanceHandler(ProcessingEnvironment processingEnvironment) {
super(NonConfigurationInstance.class, processingEnvironment);
annotationHelper = new AnnotationHelper(processingEnv);
codeModelHelper = new APTCodeModelHelper();
}
@Override
public void validate(Element element, AnnotationElements validatedElements, IsValid valid) {
validatorHelper.enclosingElementHasEActivity(element, validatedElements, valid);
validatorHelper.isNotPrivate(element, valid);
}
@Override
public void process(Element element, EActivityHolder holder) throws JClassAlreadyExistsException {
String fieldName = element.getSimpleName().toString();
JClass fieldType = codeModelHelper.typeMirrorToJClass(element.asType(), holder);
NonConfigurationHolder ncHolder = holder.getNonConfigurationHolder();
JFieldVar ncHolderField = ncHolder.createField(fieldName, fieldType);
injectInInit(element, holder, fieldName, ncHolderField);
retainInOnRetain(holder, fieldName, ncHolderField);
}
private void injectInInit(Element element, EActivityHolder holder, String fieldName, JFieldVar ncHolderField) throws JClassAlreadyExistsException {
JBlock initIfNonConfigurationNotNullBlock = holder.getInitIfNonConfigurationNotNullBlock();
JVar initNonConfigurationInstance = holder.getInitNonConfigurationInstance();
initIfNonConfigurationNotNullBlock.assign(ref(fieldName), initNonConfigurationInstance.ref(ncHolderField));
rebindContextIfBean(element, initIfNonConfigurationNotNullBlock, ncHolderField);
}
private void retainInOnRetain(EActivityHolder holder, String fieldName, JFieldVar ncHolderField) throws JClassAlreadyExistsException {
JBlock onRetainNonConfigurationInstanceBindBlock = holder.getOnRetainNonConfigurationInstanceBindBlock();
JVar onRetainNonConfigurationInstance = holder.getOnRetainNonConfigurationInstance();
onRetainNonConfigurationInstanceBindBlock.assign(onRetainNonConfigurationInstance.ref(ncHolderField), ref(fieldName));
}
private void rebindContextIfBean(Element element, JBlock initIfNonConfigurationNotNullBlock, JFieldVar field) {
boolean hasBeanAnnotation = element.getAnnotation(Bean.class) != null;
if (hasBeanAnnotation) {
TypeMirror elementType = annotationHelper.extractAnnotationClassParameter(element, Bean.class.getName());
if (elementType == null) {
elementType = element.asType();
}
String typeQualifiedName = elementType.toString();
JClass fieldGeneratedBeanClass = refClass(typeQualifiedName + classSuffix());
initIfNonConfigurationNotNullBlock.invoke(cast(fieldGeneratedBeanClass, field), "rebind").arg(_this());
}
}
}