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.helper;
  
  import java.util.List;
  import java.util.Set;
  
  import javax.lang.model.element.Element;
  
  import org.androidannotations.ElementValidation;
  import org.androidannotations.annotations.ResId;
  import org.androidannotations.rclass.IRClass.Res;
  
  public class IdValidatorHelper extends ValidatorHelper {
  
  	private final IdAnnotationHelper idAnnotationHelper;
  
  	public IdValidatorHelper(IdAnnotationHelper idAnnotationHelper) {
  		super(idAnnotationHelper);
  		this.idAnnotationHelper = idAnnotationHelper;
  	}
  
  	public enum FallbackStrategy {
  		USE_ELEMENT_NAME, ALLOW_NO_RES_ID, NEED_RES_ID
  	}
  
  	public void resIdsExist(Element element, Res res, FallbackStrategy fallbackStrategy, ElementValidation valid) {
  
  		String annotationName = idAnnotationHelper.getTarget();
  		int[] resIds = idAnnotationHelper.extractAnnotationResIdValueParameter(element, annotationName);
  
  		if (idAnnotationHelper.defaultResIdValue(resIds)) {
  			String[] resNames = idAnnotationHelper.extractAnnotationResNameParameter(element, annotationName);
  
  			if (idAnnotationHelper.defaultResName(resNames)) {
  				if (fallbackStrategy == FallbackStrategy.USE_ELEMENT_NAME) {
  					/*
  					 * fallback, using element name
  					 */
  					String elementName = idAnnotationHelper.extractElementName(element, annotationName);
  
  					if (!idAnnotationHelper.containsField(elementName, res)) {
  						valid.addError("Resource name not found in R." + res.rName() + ": " + elementName);
  					}
  				} else if (fallbackStrategy == FallbackStrategy.NEED_RES_ID) {
  					valid.addError("%s needs an annotation value");
  				}
  			} else {
  				for (String resName : resNames) {
  					if (!idAnnotationHelper.containsField(resName, res)) {
  						valid.addError("Resource name not found in R." + res.rName() + ": " + resName);
  					}
  				}
  			}
  		} else {
  			for (int resId : resIds) {
  				if (!idAnnotationHelper.containsIdValue(resId, res)) {
  					valid.addError("Resource id value not found in R." + res.rName() + ": " + resId);
  				}
  			}
  		}
  	}
  
  	public void annotationParameterIsOptionalValidResId(Element element, Res res, String parameterName, ElementValidation valid) {
  		Integer resId = annotationHelper.extractAnnotationParameter(element, parameterName);
  		if (!resId.equals(ResId.DEFAULT_VALUE) && !idAnnotationHelper.containsIdValue(resId, res)) {
  			valid.addError("Id value not found in R." + res.rName() + ": " + resId);
  		}
  	}
  
  	public void uniqueResourceId(Element element, Res resourceType, ElementValidation valid) {
  		if (valid.isValid()) {
  
  			List<String> annotationQualifiedIds = idAnnotationHelper.extractAnnotationResources(element, resourceType, true);
  
  			Element elementEnclosingElement = element.getEnclosingElement();
  			Set<? extends Element> annotatedElements = validatedModel().getRootAnnotatedElements(annotationHelper.getTarget());
  
  			for (Element uniqueCheckElement : annotatedElements) {
  				Element uniqueCheckEnclosingElement = uniqueCheckElement.getEnclosingElement();
  
  				if (elementEnclosingElement.equals(uniqueCheckEnclosingElement)) {
  
  					List<String> checkQualifiedIds = idAnnotationHelper.extractAnnotationResources(uniqueCheckElement, resourceType, true);
  
  					for (String checkQualifiedId : checkQualifiedIds) {
  						for (String annotationQualifiedId : annotationQualifiedIds) {
  
  							if (annotationQualifiedId.equals(checkQualifiedId)) {
  								String annotationSimpleId = annotationQualifiedId.substring(annotationQualifiedId.lastIndexOf('.') + 1);
  								valid.addError("The resource id " + annotationSimpleId + " is already used on the following " + annotationHelper.annotationName() + " method: " + uniqueCheckElement);
  								return;
  							}
  						}
  					}
  				}
  			}
  		}
  	}
  
  	public void uniqueId(Element element, ElementValidation valid) {
  		uniqueResourceId(element, Res.ID, valid);
  	}
  
  	public void annotationValuePositiveAndInAShort(int value, ElementValidation valid) {
  		if (value < 0 || value > 0xFFFF) {
  			valid.addError("Due to a restriction in the fragment API, the requestCode has to be a positive integer inferior or equal to 0xFFFF");
  		}
  	}
  }
  