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86 lines (66 loc) · 2.77 KB
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/**
* 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 com.sun.codemodel.JExpr._null;
import static com.sun.codemodel.JExpr.ref;
import static org.androidannotations.helper.ModelConstants.GENERATION_SUFFIX;
import static org.androidannotations.processing.EBeanProcessor.GET_INSTANCE_METHOD_NAME;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.TypeMirror;
import org.androidannotations.annotations.Bean;
import org.androidannotations.annotations.NonConfigurationInstance;
import org.androidannotations.helper.TargetAnnotationHelper;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JFieldRef;
import com.sun.codemodel.JInvocation;
public class BeanProcessor implements DecoratingElementProcessor {
private TargetAnnotationHelper annotationHelper;
public BeanProcessor(ProcessingEnvironment processingEnv) {
annotationHelper = new TargetAnnotationHelper(processingEnv, getTarget());
}
@Override
public String getTarget() {
return Bean.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeanHolder holder) {
DeclaredType targetAnnotationClassValue = annotationHelper.extractAnnotationClassParameter(element);
TypeMirror elementType;
if (targetAnnotationClassValue != null) {
elementType = targetAnnotationClassValue;
} else {
elementType = element.asType();
}
String fieldName = element.getSimpleName().toString();
String typeQualifiedName = elementType.toString();
JClass injectedClass = holder.refClass(typeQualifiedName + GENERATION_SUFFIX);
JFieldRef beanField = ref(fieldName);
{
// getInstance
JBlock body = holder.initBody;
boolean hasNonConfigurationInstanceAnnotation = element.getAnnotation(NonConfigurationInstance.class) != null;
if (hasNonConfigurationInstanceAnnotation) {
body = body._if(beanField.eq(_null()))._then();
}
JInvocation getInstance = injectedClass.staticInvoke(GET_INSTANCE_METHOD_NAME).arg(holder.contextRef);
body.assign(beanField, getInstance);
}
}
}