org.parceler.internal.ExternalParcelRepositoryTransactionWorker Maven / Gradle / Ivy

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/**
 * Copyright 2013-2015 John Ericksen
 *
 * 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.parceler.internal;

import org.androidtransfuse.adapter.ASTAnnotation;
import org.androidtransfuse.adapter.ASTType;
import org.androidtransfuse.transaction.AbstractCompletionTransactionWorker;
import org.parceler.ParcelClass;
import org.parceler.ParcelClasses;

import javax.inject.Inject;
import javax.inject.Provider;

/**
 * Executes the analysis and generation of an annotated @Parcel class.
 *
 * @author John Ericksen
 */
public class ExternalParcelRepositoryTransactionWorker extends AbstractCompletionTransactionWorker, Provider> {

    private final ExternalParcelRepository repository;

    @Inject
    public ExternalParcelRepositoryTransactionWorker(ExternalParcelRepository repository) {
        this.repository = repository;
    }

    @Override
    public Provider innerRun(Provider valueProvider) {

        ASTType value = valueProvider.get();

        ASTAnnotation parcelClassesAnnotation = value.getASTAnnotation(ParcelClasses.class);
        if(parcelClassesAnnotation != null){
            ASTAnnotation[] parcelTypes = parcelClassesAnnotation.getProperty("value", ASTAnnotation[].class);

            for(ASTAnnotation annotation : parcelTypes){
                repository.add(annotation.getProperty("value", ASTType.class));
            }
        }

        ASTAnnotation astAnnotation = value.getASTAnnotation(ParcelClass.class);
        if(astAnnotation != null){
            ASTType parcelType = astAnnotation.getProperty("value", ASTType.class);

            repository.add(parcelType);
        }
        return valueProvider;
    }
}