Timeline.attachments: get

Yetkilendirme gerektiriyor

Zaman çizelgesi öğesindeki eki öğe kimliğine ve ek kimliğine göre alır. Örneğe göz atın.

İstek

HTTP isteği

GET https://www.googleapis.com/mirror/v1/timeline/itemId/attachments/attachmentId

Parametreler

Parametre adı	Değer	Açıklama
Yol parametreleri
attachmentId	string	Ekin kimliği.
itemId	string	Ekin ait olduğu zaman çizelgesi öğesinin kimliği.

Yetkilendirme

Bu istek, aşağıdaki kapsamla yetkilendirme gerektiriyor (kimlik doğrulama ve yetkilendirme hakkında daha fazla bilgi edinin).

Kapsam
https://www.googleapis.com/auth/glass.timeline

İstek içeriği

Bu yöntemle istek gövdesi sağlamayın.

Yanıt

Başarılı olursa bu yöntem, yanıt gövdesinde bir Timeline.attachments kaynağı döndürür.

Örnekler

Not: Bu yöntem için kullanıma sunulan kod örnekleri, desteklenen tüm programlama dillerini kapsamaz (Desteklenen dillerin listesi için istemci kitaplıkları sayfasını inceleyin).

Java

Java istemci kitaplığını kullanır.

import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpResponse;
import com.google.api.services.mirror.Mirror;
import com.google.api.services.mirror.model.Attachment;

import java.io.IOException;
import java.io.InputStream;

public class MyClass {
  // ...

  /**
   * Print an attachment's metadata.
   * 
   * @param service Authorized Mirror service.
   * @param itemId ID of the timeline item the attachment belongs to.
   * @param attachmentId ID of the attachment to print metadata for.
   */
  public static void printAttachmentMetadata(Mirror service, String itemId, String attachmentId) {
    try {
      Attachment attachment = service.timeline().attachments().get(itemId, attachmentId).execute();

      System.out.println("Attachment content type: " + attachment.getContentType());
      System.out.println("Attachment content URL: " + attachment.getContentUrl());
    } catch (IOException e) {
      System.out.println("An error occured: " + e);
    }
  }

  /**
   * Download a timeline items's attachment.
   * 
   * @param service Authorized Mirror service.
   * @param itemId ID of the timeline item to download the attachment for.
   * @param attachment Attachment to download content for.
   * @return The attachment content on success, {@code null} otherwise.
   */
  public static InputStream downloadAttachment(Mirror service, String itemId, Attachment attachment) {
    try {
      HttpResponse resp =
          service.getRequestFactory().buildGetRequest(new GenericUrl(attachment.getContentUrl()))
              .execute();
      return resp.getContent();
    } catch (IOException e) {
      // An error occurred.
      e.printStackTrace();
      return null;
    }
  }

  // ...
}

.NET

.NET istemci kitaplığını kullanır.

using System;
using Google.Apis.Mirror.v1;
using Google.Apis.Mirror.v1.Data;
using System.Net;
using System.IO;

public class MyClass {
  // ...

  /// <summary>
  /// Print an attachment's metadata.
  /// </summary>
  /// <param name="service">Authorized Mirror service.</param>
  /// <param name="itemId">ID of the timeline item the attachment belongs to.</param>
  /// <param name="attachmentId">ID of the attachment to print metadata for.</param>
  public static void PrintAttachmentMetadata(
      MirrorService service, String itemId, String attachmentId) {
    try {
      Attachment attachment = service.Timeline.Attachments.Get(itemId, attachmentId).Fetch();

      Console.WriteLine("Attachment content type: " + attachment.ContentType);
      Console.WriteLine("Attachment content URL: " + attachment.ContentUrl);
    } catch (Exception e) {
      Console.WriteLine("An error occurred: " + e.Message);
    }
  }
  
  /// <summary>
  /// Download a timeline items's attachment.
  /// </summary>
  /// <param name="service">Authorized Mirror service.</param>
  /// <param name="attachment">Attachment to download content for.</param>
  /// <returns>Attachment's content if successful, null otherwise.</returns>
  public static System.IO.Stream DownloadAttachment(
      MirrorService service, Attachment attachment) {
    try {
      HttpWebRequest request = (HttpWebRequest)WebRequest.Create(
        new Uri(attachment.ContentUrl));
      service.Authenticator.ApplyAuthenticationToRequest(request);
      HttpWebResponse response = (HttpWebResponse)request.GetResponse();
      if (response.StatusCode == HttpStatusCode.OK) {
        return response.GetResponseStream();
      } else {
        Console.WriteLine(
          "An error occurred: " + response.StatusDescription);
        return null;
      }
    } catch (Exception e) {
      Console.WriteLine("An error occurred: " + e.Message);
      return null;
    }
  }

  // ...
}

PHP

PHP istemci kitaplığını kullanır.

/**
 * Print an attachment's metadata.
 *
 * @param Google_MirrorService $service Authorized Mirror service.
 * @param string $itemId ID of the timeline item the attachment belongs to.
 * @param string $attachmentId ID of the attachment to print metadata for.
 */
function printAttachmentMetadata($service, $itemId, $attachmentId) {
  try {
    $attachment = $service->timeline_attachments->get($itemId, $attachmentId);

    print "Attachment content type: " . $attachment->getContentType() . "\n";
    print "Attachment content URL: " . $attachment->getContentUrl() . "\n";
  } catch (Exception $e) {
    print "An error occurred: " . $e->getMessage();
  }
}

/**
 * Download an attachment's content.
 *
 * @param string $timelineId ID of the timeline item the attachment belongs to.
 * @param Google_Attachment $attachment Attachment's metadata.
 * @return string The attachment's content if successful, null otherwise.
 */
function downloadAttachment($itemId, $attachment) {
  $request = new Google_HttpRequest(
      $attachment->getContentUrl(), 'GET', null, null);
  $httpRequest = Google_Client::$io->authenticatedRequest($request);
  if ($httpRequest->getResponseHttpCode() == 200) {
    return $httpRequest->getResponseBody();
  } else {
    // An error occurred.
    return null;
  }
}

Python

Python istemci kitaplığını kullanır.

from apiclient import errors
# ...

def print_attachment_metadata(service, item_id, attachment_id):
  """Print an attachment's metadata

  Args:
    service: Authorized Mirror service.
    item_id: ID of the timeline item the attachment belongs to.
    attachment_id: ID of the attachment to print metadata for.
  """
  try:
    attachment = service.timeline().attachments().get(
        itemId=item_id, attachmentId=attachment_id).execute()
    print 'Attachment content type: %s' % attachment['contentType']
    print 'Attachment content URL: %s' % attachment['contentUrl']
  except errors.HttpError, error:
    print 'An error occurred: %s' % error

def download_attachment(service, attachment):
  """Download an attachment's content

  Args:
    service: Authorized Mirror service.
    attachment: Attachment's metadata.
  Returns:
    Attachment's content if successful, None otherwise.
  """
  resp, content = service._http.request(attachment['contentUrl'])
  if resp.status == 200:
    return content
  else:
    print 'An error occurred: %s' % resp
    return None

Ruby

Ruby istemci kitaplığını kullanır.

##
# Print an attachment's metadata.
#
# @param [Google::APIClient] client
#   Authorized client instance.
# @param [String] item_id
#   ID of the timeline item the attachment belongs to.
# @param [String] attachment_id
#   ID of the attachment to print metadata for.
# @return nil
def print_attachment_metadata(client, item_id, attachment_id)
  mirror = client.discovered_api('mirror', 'v1')
  result = client.execute(
    :api_method => mirror.timeline.attachments.get,
    :parameters => {
      'itemId' => item_id,
      'attachmentId' => attachment_id})
  if result.success?
    attachment = result.data
    puts "Attachment content type: #{attachment.content_type}"
    puts "Attachment content url: #{attachment.content_url}"
  else
    puts "An error occurred: #{result.data['error']['message']}"
  end
end

##
# Download an attachment's content
#
# @param [Google::APIClient] client
#   Authorized client instance
# @param [Google::APIClient::Schema::Mirror::V1::Attachment]
#   Attachment instance
# @return
#   Attachment's content if successful, nil otherwise
def download_attachment(client, attachment)
  result = client.execute(:uri => attachment.content_url)
  if result.success?
    return result.body
  else
    puts "An error occurred: #{result.data['error']['message']}"
  end
end

Ham HTTP

İstemci kitaplığı kullanmaz.

GET /mirror/v1/timeline/timeline item id/attachments/attachment id HTTP/1.1
Host: www.googleapis.com
Authorization: Bearer auth token