org.androidannotations.internal.core.handler.PreferenceByKeyHandler Maven / Gradle / Ivy
/**
* Copyright (C) 2010-2016 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 javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.type.TypeMirror;
import org.androidannotations.AndroidAnnotationsEnvironment;
import org.androidannotations.ElementValidation;
import org.androidannotations.annotations.PreferenceByKey;
import org.androidannotations.handler.BaseAnnotationHandler;
import org.androidannotations.handler.MethodInjectionHandler;
import org.androidannotations.helper.IdValidatorHelper;
import org.androidannotations.helper.InjectHelper;
import org.androidannotations.holder.FoundPreferenceHolder;
import org.androidannotations.holder.HasPreferences;
import org.androidannotations.rclass.IRClass;
import com.helger.jcodemodel.AbstractJClass;
import com.helger.jcodemodel.IJAssignmentTarget;
import com.helger.jcodemodel.JBlock;
import com.helger.jcodemodel.JFieldRef;
public class PreferenceByKeyHandler extends BaseAnnotationHandler implements MethodInjectionHandler {
private final InjectHelper injectHelper;
public PreferenceByKeyHandler(AndroidAnnotationsEnvironment environment) {
super(PreferenceByKey.class, environment);
injectHelper = new InjectHelper<>(validatorHelper, this);
}
@Override
protected void validate(Element element, ElementValidation valid) {
injectHelper.validate(PreferenceByKey.class, element, valid);
if (!valid.isValid()) {
return;
}
if (element.getKind() == ElementKind.PARAMETER) {
validatorHelper.enclosingElementExtendsPreferenceActivityOrPreferenceFragment(element.getEnclosingElement(), valid);
} else {
validatorHelper.enclosingElementExtendsPreferenceActivityOrPreferenceFragment(element, valid);
}
Element param = injectHelper.getParam(element);
validatorHelper.isDeclaredType(param, valid);
validatorHelper.extendsPreference(param, valid);
validatorHelper.isNotPrivate(element, valid);
validatorHelper.resIdsExist(element, IRClass.Res.STRING, IdValidatorHelper.FallbackStrategy.USE_ELEMENT_NAME, valid);
}
@Override
public void process(Element element, HasPreferences holder) throws Exception {
injectHelper.process(element, holder);
}
@Override
public JBlock getInvocationBlock(HasPreferences holder) {
return holder.getAddPreferencesFromResourceInjectionBlock();
}
@Override
public void assignValue(JBlock targetBlock, IJAssignmentTarget fieldRef, HasPreferences holder, Element element, Element param) {
TypeMirror prefFieldTypeMirror = param.asType();
String typeQualifiedName = prefFieldTypeMirror.toString();
JFieldRef idRef = annotationHelper.extractOneAnnotationFieldRef(element, IRClass.Res.STRING, true);
AbstractJClass preferenceClass = getJClass(typeQualifiedName);
IJAssignmentTarget preferenceHolderTarget = null;
if (element.getKind() == ElementKind.FIELD) {
preferenceHolderTarget = fieldRef;
}
FoundPreferenceHolder preferenceHolder = holder.getFoundPreferenceHolder(idRef, preferenceClass, preferenceHolderTarget);
if (!preferenceHolder.getRef().equals(preferenceHolderTarget)) {
targetBlock.add(fieldRef.assign(preferenceHolder.getOrCastRef(preferenceClass)));
}
}
@Override
public void validateEnclosingElement(Element element, ElementValidation valid) {
validatorHelper.enclosingElementHasEActivityOrEFragment(element, valid);
}
}