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 static com.helger.jcodemodel.JExpr.ref;
  
  import javax.lang.model.element.Element;
  import javax.lang.model.type.TypeMirror;
  
  import org.androidannotations.AndroidAnnotationsEnvironment;
  import org.androidannotations.ElementValidation;
  import org.androidannotations.annotations.InstanceState;
  import org.androidannotations.handler.BaseAnnotationHandler;
  import org.androidannotations.helper.BundleHelper;
  import org.androidannotations.holder.HasInstanceState;
  
  import com.helger.jcodemodel.AbstractJClass;
  import com.helger.jcodemodel.IJExpression;
  import com.helger.jcodemodel.JBlock;
  import com.helger.jcodemodel.JExpr;
  import com.helger.jcodemodel.JFieldRef;
  import com.helger.jcodemodel.JMethod;
  import com.helger.jcodemodel.JVar;
  
  public class InstanceStateHandler extends BaseAnnotationHandler<HasInstanceState> {
  
  	public InstanceStateHandler(AndroidAnnotationsEnvironment environment) {
  		super(InstanceState.class, environment);
  	}
  
  	@Override
  	public void validate(Element element, ElementValidation validation) {
  		validatorHelper.enclosingElementHasEActivityOrEFragmentOrEViewOrEViewGroup(element, validation);
  
  		validatorHelper.isNotPrivate(element, validation);
  
  		validatorHelper.canBePutInABundle(element, validation);
  
  		validatorHelper.isNotFinal(element, validation);
  	}
  
  	@Override
  	public void process(Element element, HasInstanceState holder) {
  		AbstractJClass elementClass = codeModelHelper.typeMirrorToJClass(element.asType());
  		String fieldName = element.getSimpleName().toString();
  
  		JBlock saveStateBody = holder.getSaveStateMethodBody();
  		JVar saveStateBundleParam = holder.getSaveStateBundleParam();
  		JMethod restoreStateMethod = holder.getRestoreStateMethod();
  		JBlock restoreStateBody = holder.getRestoreStateMethodBody();
  		JVar restoreStateBundleParam = holder.getRestoreStateBundleParam();
  
  		TypeMirror type = codeModelHelper.getActualType(element, holder);
  
  		BundleHelper bundleHelper = new BundleHelper(getEnvironment(), type);
  
  		JFieldRef ref = ref(fieldName);
  		saveStateBody.add(bundleHelper.getExpressionToSaveFromField(saveStateBundleParam, JExpr.lit(fieldName), ref));
  
  		IJExpression restoreMethodCall = bundleHelper.getExpressionToRestoreFromBundle(elementClass, restoreStateBundleParam, JExpr.lit(fieldName), restoreStateMethod);
  		restoreStateBody.assign(ref, restoreMethodCall);
  	}
  }
  