content: /**
   * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
   *
   * 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.otto.handler;
  
  import javax.lang.model.element.AnnotationMirror;
  import javax.lang.model.element.Element;
  import javax.lang.model.element.ExecutableElement;
  
  import org.androidannotations.AndroidAnnotationsEnvironment;
  import org.androidannotations.ElementValidation;
  import org.androidannotations.handler.BaseAnnotationHandler;
  import org.androidannotations.helper.ValidatorParameterHelper;
  import org.androidannotations.holder.EComponentHolder;
  
  import com.helger.jcodemodel.JMethod;
  
  public abstract class AbstractOttoHandler extends BaseAnnotationHandler<EComponentHolder> {
  
  	public AbstractOttoHandler(String target, AndroidAnnotationsEnvironment environment) {
  		super(target, environment);
  	}
  
  	@Override
  	public void validate(Element element, ElementValidation valid) {
  		if (!annotationHelper.enclosingElementHasEnhancedComponentAnnotation(element)) {
  			// do nothing when otto annotations are used in non-enhanced classes
  			return;
  		}
  
  		ExecutableElement executableElement = (ExecutableElement) element;
  
  		validateReturnType(executableElement, valid);
  
  		validatorHelper.isPublic(element, valid);
  
  		validatorHelper.doesntThrowException(executableElement, valid);
  
  		validatorHelper.isNotFinal(element, valid);
  
  		getParamValidator().validate(executableElement, valid);
  	}
  
  	protected abstract ValidatorParameterHelper.Validator getParamValidator();
  
  	protected abstract void validateReturnType(ExecutableElement executableElement, ElementValidation validation);
  
  	@Override
  	public void process(Element element, EComponentHolder holder) throws Exception {
  		if (!annotationHelper.enclosingElementHasEnhancedComponentAnnotation(element)) {
  			// do nothing when otto annotations are used in non-enhanced classes
  			return;
  		}
  		ExecutableElement executableElement = (ExecutableElement) element;
  
  		JMethod method = codeModelHelper.overrideAnnotatedMethod(executableElement, holder);
  
  		addOttoAnnotation(executableElement, method);
  	}
  
  	private void addOttoAnnotation(ExecutableElement element, JMethod method) {
  		for (AnnotationMirror annotationMirror : element.getAnnotationMirrors()) {
  			if (annotationMirror.getAnnotationType().toString().equals(getTarget())) {
  				codeModelHelper.copyAnnotation(method, annotationMirror);
  				break;
  			}
  		}
  	}
  
  }
  