content: /**
   * 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 static com.helger.jcodemodel.JExpr._null;
  import static com.helger.jcodemodel.JExpr.cast;
  import static com.helger.jcodemodel.JExpr.lit;
  import static org.androidannotations.helper.LogHelper.logTagForClassHolder;
  
  import javax.lang.model.element.Element;
  import javax.lang.model.type.TypeMirror;
  
  import org.androidannotations.AndroidAnnotationsEnvironment;
  import org.androidannotations.ElementValidation;
  import org.androidannotations.annotations.RootFragment;
  import org.androidannotations.handler.BaseAnnotationHandler;
  import org.androidannotations.handler.MethodInjectionHandler;
  import org.androidannotations.helper.InjectHelper;
  import org.androidannotations.holder.EBeanHolder;
  
  import com.helger.jcodemodel.AbstractJClass;
  import com.helger.jcodemodel.IJAssignmentTarget;
  import com.helger.jcodemodel.IJExpression;
  import com.helger.jcodemodel.JBlock;
  import com.helger.jcodemodel.JConditional;
  import com.helger.jcodemodel.JInvocation;
  
  public class RootFragmentHandler extends BaseAnnotationHandler<EBeanHolder> implements MethodInjectionHandler<EBeanHolder> {
  
  	private final InjectHelper<EBeanHolder> injectHelper;
  
  	public RootFragmentHandler(AndroidAnnotationsEnvironment environment) {
  		super(RootFragment.class, environment);
  		injectHelper = new InjectHelper<>(validatorHelper, this);
  	}
  
  	@Override
  	public void validate(Element element, ElementValidation validation) {
  		injectHelper.validate(RootFragment.class, element, validation);
  		if (!validation.isValid()) {
  			return;
  		}
  
  		Element param = injectHelper.getParam(element);
  		validatorHelper.extendsFragment(param, validation);
  
  		validatorHelper.isNotPrivate(element, validation);
  	}
  
  	@Override
  	public void process(Element element, EBeanHolder holder) {
  		injectHelper.process(element, holder);
  	}
  
  	@Override
  	public JBlock getInvocationBlock(EBeanHolder holder) {
  		return holder.getInitBodyInjectionBlock();
  	}
  
  	@Override
  	public void assignValue(JBlock targetBlock, IJAssignmentTarget fieldRef, EBeanHolder holder, Element element, Element param) {
  		TypeMirror elementType = param.asType();
  		String typeQualifiedName = elementType.toString();
  
  		IJExpression rootFragmentRef = holder.getRootFragmentRef();
  
  		AbstractJClass extendingContextClass = getEnvironment().getJClass(typeQualifiedName);
  
  		JConditional cond = targetBlock._if(rootFragmentRef._instanceof(extendingContextClass));
  		cond._then().add(fieldRef.assign(cast(extendingContextClass, rootFragmentRef)));
  
  		JInvocation warningInvoke = getClasses().LOG.staticInvoke("w");
  		warningInvoke.arg(logTagForClassHolder(holder));
  		warningInvoke
  				.arg(lit("Due to class ").plus(rootFragmentRef.invoke("getClass").invoke("getSimpleName")).plus(lit(", the @RootFragment " + extendingContextClass.name() + " won't be populated")));
  
  		JInvocation warningInvokeIfNull = getClasses().LOG.staticInvoke("w");
  		warningInvokeIfNull.arg(logTagForClassHolder(holder));
  		warningInvokeIfNull.arg(lit("Due to not having a rootFragment reference the @RootFragment " + extendingContextClass.name() + " won't be populated"));
  
  		JConditional ifNotNull = cond._elseif(rootFragmentRef.ne(_null()));
  		ifNotNull._then().add(warningInvoke);
  		ifNotNull._else().add(warningInvokeIfNull);
  	}
  
  	@Override
  	public void validateEnclosingElement(Element element, ElementValidation valid) {
  		validatorHelper.enclosingElementHasEBeanAnnotation(element, valid);
  	}
  }
  