/**
* Licensed to The Apereo Foundation under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
*
* The Apereo Foundation licenses this file to you under the Educational
* Community 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://opensource.org/licenses/ecl2.txt
*
* 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.opencastproject.publication.youtube.auth;
import com.google.api.client.auth.oauth2.StoredCredential;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.util.store.DataStore;
import java.io.IOException;
/**
* <code>OAuth2CredentialFactory</code> implementation is a factory class that returns
* <code>GoogleCredential</code> objects.
*/
public interface OAuth2CredentialFactory {
/**
* Returns a file-backed data store.
*
* @param id
* unique identifier for the data store
* @param dataStoreDirectory
* name of the data store directory
* @return file-backed data store
* @throws IOException
*/
DataStore<StoredCredential> getDataStore(String id, String dataStoreDirectory) throws IOException;
/**
* Returns a <code>GoogleCredential</code> from a data store. If one
* does not exist, a new <code>GoogleCredential</code> will be generated and
* persisted in the data store.
*
* @param datastore
* a file or memory backed data store
* @param authContext
* <code>ClientCredentials</code> object containing
* the parameters needed to find an existing or create a new instance
* of <code>GoogleCredential</code>
* @return Google-specific subclass of <code>Credential</code>
* @throws IOException if the default data store is not available
*/
GoogleCredential getGoogleCredential(DataStore<StoredCredential> datastore, ClientCredentials authContext) throws IOException;
/**
* Returns a <code>GoogleCredential</code> from the default data store. If one
* does not exist, a new <code>GoogleCredential</code> will be generated and
* persisted in the data store.
*
* @return Google-specific subclass of <code>Credential</code>
* @throws IOException if the default data store is not available
*/
GoogleCredential getGoogleCredential(final ClientCredentials credentials) throws IOException;
}