content: /**
   * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
   * Copyright (C) 2016-2020 the AndroidAnnotations project
   *
   * 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.ExecutableElement;
  import javax.lang.model.element.VariableElement;
  
  import org.androidannotations.AndroidAnnotationsEnvironment;
  import org.androidannotations.ElementValidation;
  import org.androidannotations.handler.BaseAnnotationHandler;
  import org.androidannotations.handler.MethodInjectionHandler;
  import org.androidannotations.helper.IdValidatorHelper;
  import org.androidannotations.helper.InjectHelper;
  import org.androidannotations.holder.EComponentHolder;
  import org.androidannotations.internal.core.model.AndroidRes;
  import org.androidannotations.rclass.IRClass;
  
  import com.helger.jcodemodel.IJAssignmentTarget;
  import com.helger.jcodemodel.IJExpression;
  import com.helger.jcodemodel.JBlock;
  import com.helger.jcodemodel.JFieldRef;
  
  public abstract class AbstractResHandler extends BaseAnnotationHandler<EComponentHolder> implements MethodInjectionHandler<EComponentHolder> {
  
  	private final InjectHelper<EComponentHolder> injectHelper;
  	protected AndroidRes androidRes;
  
  	public AbstractResHandler(AndroidRes androidRes, AndroidAnnotationsEnvironment environment) {
  		super(androidRes.getAnnotationClass(), environment);
  		this.androidRes = androidRes;
  		injectHelper = new InjectHelper<>(validatorHelper, this);
  	}
  
  	@Override
  	public final void validate(Element element, ElementValidation validation) {
  		injectHelper.validate(androidRes.getAnnotationClass(), element, validation);
  		if (!validation.isValid()) {
  			return;
  		}
  
  		validatorHelper.allowedType(element, androidRes.getAllowedTypes(), validation);
  
  		validatorHelper.resIdsExist(element, androidRes.getRInnerClass(), IdValidatorHelper.FallbackStrategy.USE_ELEMENT_NAME, validation);
  
  		Element enclosingElement = element.getEnclosingElement();
  		if (element instanceof VariableElement && enclosingElement instanceof ExecutableElement) {
  			validatorHelper.isNotPrivate(enclosingElement, validation);
  		} else {
  			validatorHelper.isNotPrivate(element, validation);
  		}
  	}
  
  	@Override
  	public final void process(Element element, EComponentHolder holder) {
  		injectHelper.process(element, holder);
  	}
  
  	@Override
  	public JBlock getInvocationBlock(EComponentHolder holder) {
  		return holder.getInitBodyInjectionBlock();
  	}
  
  	@Override
  	public void assignValue(JBlock targetBlock, IJAssignmentTarget fieldRef, EComponentHolder holder, Element element, Element param) {
  		IRClass.Res resInnerClass = androidRes.getRInnerClass();
  
  		JFieldRef idRef = annotationHelper.extractOneAnnotationFieldRef(element, resInnerClass, true);
  		IJExpression resourceInstance = getInstanceInvocation(holder, idRef, fieldRef, targetBlock);
  		if (resourceInstance != null) {
  			targetBlock.add(fieldRef.assign(resourceInstance));
  		}
  	}
  
  	@Override
  	public void validateEnclosingElement(Element element, ElementValidation valid) {
  		validatorHelper.enclosingElementHasEnhancedComponentAnnotation(element, valid);
  	}
  
  	protected abstract IJExpression getInstanceInvocation(EComponentHolder holder, JFieldRef idRef, IJAssignmentTarget fieldRef, JBlock targetBlock);
  }
  