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ListGuardianInvitationsByStudent.java
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ListGuardianInvitationsByStudent.java
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// Copyright 2023 Google LLC
//
// 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
//
// https://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.
// [START classroom_list_guardian_invitations_class]
import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.googleapis.json.GoogleJsonError;
import com.google.api.client.googleapis.json.GoogleJsonResponseException;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.classroom.Classroom;
import com.google.api.services.classroom.ClassroomScopes;
import com.google.api.services.classroom.model.GuardianInvitation;
import com.google.api.services.classroom.model.ListGuardianInvitationsResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/* Class to demonstrate the use of Classroom List Guardian Invitations API. */
public class ListGuardianInvitationsByStudent {
/**
* Retrieves guardian invitations by student.
*
* @param studentId - the id of the student.
* @return a list of guardian invitations that were sent for a specific student.
* @throws IOException - if credentials file not found.
*/
public static List<GuardianInvitation> listGuardianInvitationsByStudent(String studentId)
throws Exception {
/* Scopes required by this API call. If modifying these scopes, delete your previously saved
tokens/ folder. */
final List<String> SCOPES =
Collections.singletonList(ClassroomScopes.CLASSROOM_GUARDIANLINKS_STUDENTS);
// Create the classroom API client
final NetHttpTransport HTTP_TRANSPORT = GoogleNetHttpTransport.newTrustedTransport();
Classroom service =
new Classroom.Builder(
HTTP_TRANSPORT,
GsonFactory.getDefaultInstance(),
ClassroomCredentials.getCredentials(HTTP_TRANSPORT, SCOPES))
.setApplicationName("Classroom samples")
.build();
// [START classroom_list_guardian_invitations_code_snippet]
List<GuardianInvitation> guardianInvitations = new ArrayList<>();
String pageToken = null;
try {
do {
ListGuardianInvitationsResponse response =
service
.userProfiles()
.guardianInvitations()
.list(studentId)
.setPageToken(pageToken)
.execute();
/* Ensure that the response is not null before retrieving data from it to avoid errors. */
if (response.getGuardianInvitations() != null) {
guardianInvitations.addAll(response.getGuardianInvitations());
pageToken = response.getNextPageToken();
}
} while (pageToken != null);
if (guardianInvitations.isEmpty()) {
System.out.println("No guardian invitations found.");
} else {
for (GuardianInvitation invitation : guardianInvitations) {
System.out.printf("Guardian invitation id: %s\n", invitation.getInvitationId());
}
}
} catch (GoogleJsonResponseException e) {
GoogleJsonError error = e.getDetails();
if (error.getCode() == 404) {
System.out.printf("There is no record of studentId (%s).", studentId);
} else {
throw e;
}
} catch (Exception e) {
throw e;
}
return guardianInvitations;
// [END classroom_list_guardian_invitations_code_snippet]
}
}
// [END classroom_list_guardian_invitations_class]