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.process;
  
  import java.util.LinkedHashSet;
  import java.util.Set;
  
  import javax.lang.model.element.AnnotationMirror;
  import javax.lang.model.element.Element;
  
  import org.androidannotations.AndroidAnnotationsEnvironment;
  import org.androidannotations.ElementValidation;
  import org.androidannotations.handler.AnnotationHandler;
  import org.androidannotations.internal.model.AnnotationElements;
  import org.androidannotations.internal.model.AnnotationElementsHolder;
  import org.androidannotations.logger.Logger;
  import org.androidannotations.logger.LoggerFactory;
  
  public class ModelValidator {
  
  	private static final Logger LOGGER = LoggerFactory.getLogger(ModelValidator.class);
  	private AndroidAnnotationsEnvironment environment;
  
  	public ModelValidator(AndroidAnnotationsEnvironment environment) {
  		this.environment = environment;
  	}
  
  	public AnnotationElements validate(AnnotationElements extractedModel, AnnotationElementsHolder validatingHolder) {
  
  		LOGGER.info("Validating elements");
  
  		/*
  		 * We currently do not validate the elements on the ancestors, assuming they've
  		 * already been validated. This also means some checks such as unique ids might
  		 * not be check all situations.
  		 */
  
  		for (AnnotationHandler annotationHandler : environment.getHandlers()) {
  			if (!annotationHandler.isEnabled()) {
  				continue;
  			}
  			String validatorSimpleName = annotationHandler.getClass().getSimpleName();
  			String annotationName = annotationHandler.getTarget();
  
  			Set<? extends Element> annotatedElements = extractedModel.getRootAnnotatedElements(annotationName);
  
  			Set<Element> validatedAnnotatedElements = new LinkedHashSet<>();
  
  			validatingHolder.putRootAnnotatedElements(annotationName, validatedAnnotatedElements);
  
  			if (!annotatedElements.isEmpty()) {
  				LOGGER.debug("Validating with {}: {}", validatorSimpleName, annotatedElements);
  			}
  
  			for (Element annotatedElement : annotatedElements) {
  				ElementValidation elementValidation = annotationHandler.validate(annotatedElement);
  
  				AnnotationMirror annotationMirror = elementValidation.getAnnotationMirror();
  				for (ElementValidation.Error error : elementValidation.getErrors()) {
  					LOGGER.error(error.getElement(), annotationMirror, error.getMessage());
  				}
  
  				for (String warning : elementValidation.getWarnings()) {
  					LOGGER.warn(elementValidation.getElement(), annotationMirror, warning);
  				}
  
  				if (elementValidation.isValid()) {
  					validatedAnnotatedElements.add(annotatedElement);
  				} else {
  					LOGGER.warn(annotatedElement, "Element {} invalidated by {}", annotatedElement, validatorSimpleName);
  				}
  			}
  		}
  
  		return validatingHolder;
  	}
  }
  