com.abubusoft.kripton.processor.BindMany2ManySubProcessor Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright 2015, 2017 Francesco Benincasa ([email protected]).
 *
 * 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 com.abubusoft.kripton.processor;

import java.lang.annotation.Annotation;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.logging.Level;

import javax.annotation.processing.RoundEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.TypeElement;

import com.abubusoft.kripton.android.annotation.BindDaoMany2Many;
import com.abubusoft.kripton.common.Pair;
import com.abubusoft.kripton.processor.bind.model.many2many.M2MEntity;
import com.abubusoft.kripton.processor.bind.model.many2many.M2MModel;
import com.abubusoft.kripton.processor.element.GeneratedTypeElement;
import com.abubusoft.kripton.processor.exceptions.InvalidKindForAnnotationException;
import com.abubusoft.kripton.processor.sqlite.BindM2MBuilder;

// TODO: Auto-generated Javadoc
/**
 * Annotation processor for shared preferences.
 *
 * @author Francesco Benincasa ([email protected])
 */
public class BindMany2ManySubProcessor extends BaseProcessor {
	
	/* (non-Javadoc)
	 * @see com.abubusoft.kripton.processor.BaseProcessor#clear()
	 */
	public void clear() {		
		super.clear();
		
		result=null;
		model=null;		
	}	

	/** The model. */
	private M2MModel model;

	/** The result. */
	public Pair, Set> result;

	/* (non-Javadoc)
	 * @see com.abubusoft.kripton.processor.BaseProcessor#getSupportedAnnotationClasses()
	 */
	protected Set> getSupportedAnnotationClasses() {
		Set> annotations = new LinkedHashSet>();

		annotations.add(BindDaoMany2Many.class);

		return annotations;
	}

	/* (non-Javadoc)
	 * @see javax.annotation.processing.AbstractProcessor#process(java.util.Set, javax.annotation.processing.RoundEnvironment)
	 */
	@Override
	public boolean process(Set annotations, RoundEnvironment roundEnv) {
		try {
			model = new M2MModel();

			for (Element daoItem : roundEnv.getElementsAnnotatedWith(BindDaoMany2Many.class)) {
				if (daoItem.getKind() != ElementKind.INTERFACE) {
					String msg = String.format("%s %s, only interface can be annotated with @%s annotation", daoItem.getKind(), daoItem, BindDaoMany2Many.class.getSimpleName());
					throw (new InvalidKindForAnnotationException(msg));
				}

				M2MEntity entity = M2MEntity.extractEntityManagedByDAO((TypeElement) daoItem);

				model.entityAdd(entity);
			}

			result = BindM2MBuilder.generate(filer, model);

		} catch (Exception e) {
			String msg = e.getMessage();
			error(null, msg);

			if (DEBUG_MODE) {
				logger.log(Level.SEVERE, msg);
				e.printStackTrace();
			}
		}

		return true;
	}


}