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/*
* Copyright 2014 Objectos, Fábrica de Software LTDA.
*
* 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 br.com.objectos.way.gdrive;

import java.io.IOException;
import java.util.List;

import com.google.api.services.drive.Drive.Files;
import com.google.api.services.drive.model.File;
import com.google.api.services.drive.model.FileList;

/**
 * @author [email protected] (Mario Marques Junior)
 */
class RequestFile implements Request {

  private final Files.List request;
  private FileList fileList;

  public RequestFile(Files.List request) {
    this.request = request;
  }

  @Override
  public List execute() {
    try {
      fileList = request.execute();
      return fileList.getItems();
    } catch (IOException e) {
      throw new GDriveException(e);
    }
  }

  @Override
  public boolean hasNextPage() {
    String nextPageToken = fileList.getNextPageToken();
    request.setPageToken(nextPageToken);

    return request.getPageToken() != null && request.getPageToken().length() > 0;
  }

}