Changes: get

Request

HTTP request

GET https://www.googleapis.com/drive/v2/changes/changeId

Parameters

Authorization

This request requires authorization with at least one of the following scopes:

Some scopes are restricted and require a security assessment for your app to use them. For more information, see the authentication and authorization page.

Request body

Do not supply a request body with this method.

Response

If successful, this method returns a Changes resource in the response body.

Examples

Note: The code examples available for this method do not represent all supported programming languages (see the client libraries page for a list of supported languages).

import com.google.api.services.drive.Drive;
import com.google.api.services.drive.model.Change;
import com.google.api.services.drive.model.File;

import java.io.IOException;
// ...

public class MyClass {

  // ...

  /**
   * Print a single Change resource information.
   *
   * @param service Drive API service instance.
   * @param changeId ID of the Change resource to retrieve.
   */
  private static void printChange(Drive service, String changeId) {
    try {
      Change change = service.changes().get(changeId).execute();

      System.out.println("Changed file ID: " + change.getFileId());
      if (change.getDeleted()) {
        System.out.println("File has been deleted");
      } else {
        File changedFile = change.getFile();
        System.out.println("Changed file Title: " + changedFile.getTitle());
      }
    } catch (IOException e) {
      System.out.println("An error occurred: " + e);
    }
  }

  // ...
}

using Google.Apis.Drive.v2;
using Google.Apis.Drive.v2.Data;

using System.Net;
// ...

public class MyClass {

  // ...

  /// <summary>
  /// Print a single Change resource information.
  /// </summary>
  /// <param name="service">Drive API service instance.</param>
  /// <param name="changeId">ID of the Change resource to retrieve.</param>
  public static void PrintChange(DriveService service, String changeId) {
    try {
      Change change = service.Changes.Get(changeId).Execute();

      Console.WriteLine("Changed file ID: " + change.FileId);
      if (change.Deleted.HasValue && (bool)change.Deleted) {
        Console.WriteLine("File has been deleted");
      } else {
        File changedFile = change.File;
        Console.WriteLine("Changed file Title: " + changedFile.Title);
      }
    } catch (Exception e) {
      Console.WriteLine("An error occurred: " + e.Message);
    }
  }

  // ...
}

/**
 * Print a single Change resource information.
 *
 * @param Google_Service_Drive $service Drive API service instance.
 * @param String $changeId ID of the Change resource to retrieve.
 */
function printChange($service, $changeId) {
  try {
    $change = $service->changes->get($changeId);

    print "Changed file ID: " . $change->getFileId();
    if ($change->getDeleted()) {
      print "File has been deleted";
    } else {
      $changedFile = $change->getFile();
      print "Changed file Title: " . $changedFile->getTitle();
    }
  } catch (Exception $e) {
    print "An error occurred: " . $e->getMessage();
  }
}

from apiclient import errors
# ...

def print_change(service, change_id):
  """Print a single Change resource information.

  Args:
    service: Drive API service instance.
    change_id: ID of the Change resource to retrieve.
  """
  try:
    change = service.changes().get(changeId=change_id).execute()

    print 'Changed file ID: %s' % change['fileId']
    if change['deleted']:
      print 'File has been deleted'
    else:
      file = change['file']
      print 'Changed file Title: %s' % file['title']
  except errors.HttpError, error:
    print 'An error occurred: %s' % error

/**
 * Print a single Change resource information.
 *
 * @param {String} changeId ID of the Change resource to retrieve.
 */
function printChange(changeId) {
  var request = gapi.client.drive.changes.get({
    'changeId': changeId
  });
  request.execute(function(resp) {
    if (resp.deleted) {
      console.log('File has been deleted');
    } else {
      var file = resp.file;
      console.log('Changed file Title: ' + file.title);
    }
  });
}

import (
  "google.golang.org/drive/v2"
  "fmt"
)

// PrintChange fetches and displays the change with the passed changeId
func PrintChange(d *drive.Service, changeId string) error {
  c, err := d.Changes.Get(changeId).Do()
  if err != nil {
    fmt.Printf("An error occurred: %v\n", err)
    return err
  }
  fmt.Printf("Changed file ID: %v\n", c.FileId)
  if c.Deleted {
    fmt.Printf("File has been deleted\n")
  } else {
    fmt.Printf("Changed file Title: %v\n",  c.File.Title)
  }
  return nil
}

#import "GTLDrive.h"
// ...

+ (void)printChangeWithService:(GTLServiceDrive *)service
                      changeId:(NSString *)changeId {
  GTLQueryDrive *query = [GTLQueryDrive queryForChangesGetWithChangeId:changeId];
  // queryTicket can be used to track the status of the request.
  GTLServiceTicket *queryTicket =
    [service executeQuery:query
        completionHandler:^(GTLServiceTicket *ticket, GTLDriveChange *change,
                            NSError *error) {
          if (error == nil) {
            NSLog(@"Current user name: %@", change.fileId);

            if ([change.deleted boolValue]) {
              NSLog(@"File has been deleted");
            } else {
              GTLDriveFile *changedFile = change.file;
              NSLog(@"Changed file Title: %@", changedFile.title);
            }
          } else {
            NSLog(@"An error occurred: %@", error);
          }
        }];
}

// ...

Try it!

Use the APIs Explorer below to call this method on live data and see the response.