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The Annotation Processor jar that generates code
/**
* Copyright (C) 2010-2014 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.cast;
import static com.sun.codemodel.JExpr.invoke;
import static com.sun.codemodel.JExpr.ref;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.TypeMirror;
import org.androidannotations.annotations.FragmentById;
import org.androidannotations.helper.AndroidManifest;
import org.androidannotations.helper.CanonicalNameConstants;
import org.androidannotations.helper.IdAnnotationHelper;
import org.androidannotations.helper.IdValidatorHelper;
import org.androidannotations.holder.EComponentWithViewSupportHolder;
import org.androidannotations.model.AndroidSystemServices;
import org.androidannotations.model.AnnotationElements;
import org.androidannotations.process.IsValid;
import org.androidannotations.rclass.IRClass;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JFieldRef;
import com.sun.codemodel.JMethod;
public class FragmentByIdHandler extends BaseAnnotationHandler {
private IdAnnotationHelper annotationHelper;
public FragmentByIdHandler(ProcessingEnvironment processingEnvironment) {
super(FragmentById.class, processingEnvironment);
}
@Override
public void setAndroidEnvironment(IRClass rClass, AndroidSystemServices androidSystemServices, AndroidManifest androidManifest) {
super.setAndroidEnvironment(rClass, androidSystemServices, androidManifest);
annotationHelper = new IdAnnotationHelper(processingEnv, getTarget(), rClass);
}
@Override
public void validate(Element element, AnnotationElements validatedElements, IsValid valid) {
validatorHelper.enclosingElementHasEnhancedViewSupportAnnotation(element, validatedElements, valid);
validatorHelper.extendsFragment(element, valid);
validatorHelper.resIdsExist(element, IRClass.Res.ID, IdValidatorHelper.FallbackStrategy.USE_ELEMENT_NAME, valid);
validatorHelper.isNotPrivate(element, valid);
}
@Override
public void process(Element element, EComponentWithViewSupportHolder holder) {
TypeMirror elementType = element.asType();
String typeQualifiedName = elementType.toString();
TypeElement nativeFragmentElement = annotationHelper.typeElementFromQualifiedName(CanonicalNameConstants.FRAGMENT);
boolean isNativeFragment = nativeFragmentElement != null && annotationHelper.isSubtype(elementType, nativeFragmentElement.asType());
JMethod findFragmentById;
if (isNativeFragment) {
findFragmentById = holder.getFindNativeFragmentById();
} else {
findFragmentById = holder.getFindSupportFragmentById();
}
String fieldName = element.getSimpleName().toString();
JFieldRef idRef = annotationHelper.extractOneAnnotationFieldRef(processHolder, element, IRClass.Res.ID, true);
JBlock methodBody = holder.getOnViewChangedBody();
methodBody.assign(ref(fieldName), cast(refClass(typeQualifiedName), invoke(findFragmentById).arg(idRef)));
}
}