ユーザーを取得する

// Provide the email address of the user to retrieve.
String emailAddress = user-email-address;

// Filter for  list to store the built filters.
String filter = "email:\"" + emailAddress + "\"";

// Configure the list request.
Users.List request = service.users().list().setFilter(filter);

// Create the response and nextPageToken variables.
ListUsersResponse response;
String nextPageToken = null;
boolean userRetrieved = false;

do {
  // Create and execute the list request.
  response = request.setPageToken(nextPageToken).execute();

  // Check if response is empty.
  if (response.isEmpty()) {
    System.out.print("List request returned no Users");
    break;
  }

  // Iterate over retrieved users.
  for (User user : response.getUsers()) {
    // If the correct user is found, print information about the user.
    if (emailAddress.equals(user.getEmail())) {
      System.out.println("Retrieved the following user with the requested email address:");
      System.out.printf(
          "User ID: %s, Display name: %s, Email: %s%n",
          user.getUserId(), user.getDisplayName(), user.getEmail());

      // Iterate over and print user's assigned user roles.
      for (AssignedUserRole retrievedRole : user.getAssignedUserRoles()) {
        if (retrievedRole.getPartnerId() != null) {
          System.out.printf(
              "\tPartner ID: %s, Role: %s%n",
              retrievedRole.getPartnerId(), retrievedRole.getUserRole());
        } else if (retrievedRole.getAdvertiserId() != null) {
          System.out.printf(
              "\tAdvertiser ID: %s, Role: %s%n",
              retrievedRole.getAdvertiserId(), retrievedRole.getUserRole());
        }
      }
      userRetrieved = true;
      break;
    }
  }

  // Update the next page token.
  nextPageToken = response.getNextPageToken();
} while (!Strings.isNullOrEmpty(nextPageToken));

if (!userRetrieved) {
  System.out.printf("No user with email address %s found.", emailAddress);
}

# Provide the email address of the user to retrieve.
email_address = user-email-address

# Build filter string for list request.
list_filter = f'email:"{email_address}"'

# Create the page token variable.
next_page_token = ""

# Create the variable to store the retrieved user.
retrieved_user = None

while True:
    # Assign page token.
    request = service.users().list(
        filter=list_filter, pageToken=next_page_token
    )

    # Execute list request.
    response = request.execute()

    # Check if response is empty.
    if not response:
    break

    # Look for user with email address.
    for user in response["users"]:
    if user["email"] == email_address:
        retrieved_user = user
        break

    # Check if there is a following list page.
    if "nextPageToken" in response:
    next_page_token = response["nextPageToken"]
    else:
    break

# Print result of user retrieval.
if retrieved_user is None:
    print(f"No user was found with the following email address: {email_address}")
else:
    print(
        "Retrieved the following user with the requested email address: "
        f"{retrieved_user}"
    )

// Provide the email address of the user to retrieve.
$emailAddress = user-email-address;

$response = null;
$nextPageToken = null;

// Build full filter string out of filter list.
$filter = 'email:"' . $emailAddress . '"';
$userRetrieved = false;

do {
    // Build list request parameters.
    $optParams = array(
        'filter' => $filter,
        'pageToken' => $nextPageToken
    );

    // Call the API, retrieving a page of accessible users matching the
    // given filter values.
    try {
        $response = $this
            ->service
            ->users
            ->listUsers(
                $optParams
            );
    } catch (\Exception $e) {
        $this->renderError($e);
        return;
    }

    $retrievedUsers = $response->getUsers();

    if (empty($retrievedUsers)) {
        print '<p>List request returned no users.</p>';
    }

    // Review retrieved user resources.
    foreach ($retrievedUsers as $user) {
        if ($user->getEmail() == $emailAddress) {
            $userRetrieved = true;
            print '<p>Retrieved the following user with the requested email address:</p>';
            printf('<p>User ID: %s, Display name: %s, Email: %s</p><p>'
                . 'Assigned User Roles:</p><ul>',
                $user['userId'],
                $user['displayName'],
                $user['email']
            );

            // Iterate over and print user's assigned user roles.
            foreach ($user->getAssignedUserRoles() as $userRole) {
                if (isset($userRole['partnerId'])) {
                    printf(
                        '<li>Partner ID: %s, User Role: %s</li>',
                        $userRole->getPartnerId(),
                        $userRole->getUserRole()
                    );
                } else if (isset($userRole['advertiserId'])) {
                    printf(
                        '<li>Advertiser ID: %s, User Role: %s</li>',
                        $userRole->getAdvertiserId(),
                        $userRole->getUserRole()
                    );
                }
            }
            print '</ul>';
        }
    }

    // Update the next page token.
    $nextPageToken = $response->getNextPageToken();
} while (!empty($nextPageToken));

if (!$userRetrieved) {
    printf('<p>No user with email address %s found.</p>', $emailAddress);
}