DbDataStoreFactory.groovy

package com.tutorial.googleeoauth

import com.google.api.client.util.store.DataStore
import com.google.api.client.util.store.DataStoreFactory
import com.tutorial.googleeoauth.repository.GoogleCredentialDetailsRepository
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.stereotype.Component

/**
 * Data store factory class required for implementing a custom data store to store credential
 * details in Google OAuth Authentication process.
 * @see {@link DbDataStore}
 */
@Component
class DbDataStoreFactory implements DataStoreFactory {
    GoogleCredentialDetailsRepository repository

    public DbDataStoreFactory(@Autowired GoogleCredentialDetailsRepository repository) {
        this.repository = repository
    }

    @Override
    def <V extends Serializable> DataStore<V> getDataStore(String id) throws IOException {
        return new DbDataStore(this, id, repository)
    }
}