Google Calendar is a scheduling service that lets you create and keep track of the events such as meetings. You can log the events on the calendar and get reminders about the upcoming ones. Google also allows you to use its calendaring service programmatically. Thus, you can manage your events using Google Calendars from within your applications. In this article, you will learn how to create, update, and delete Google Calendar programmatically in Java.
- Java API to Create and Manipulate Google Calendar
- Create a Google Calendar in Java
- Update a Google Calendar in Java
- Delete a Google Calendar in Java
Java API to Create and Manipulate Google Calendar
In order to work with the Google Calendar service, we will use Aspose.Email for Java. It is a powerful API that provides a range of features for processing emails, working with email clients, and using Google’s collaboration services. You can either download the API or install it using the following Maven configurations.
Repository:
<repository>
<id>AsposeJavaAPI</id>
<name>Aspose Java API</name>
<url>http://repository.aspose.com/repo/</url>
</repository>
Dependency:
<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-email</artifactId>
<version>22.3</version>
<classifier>jdk16</classifier>
</dependency>Create a Google Calendar in Java
Before you start, you need to create a project on the Google Developer Console for your application to communicate with Google’s services. To create one, you can follow this guide.
Now, create a helper class named GoogleOAuthHelper to take care of the authentication of a Google account. Also, create a class named OAuthUser to store user information. The following is the complete implementation of both classes.
Once you have done the above configuration, you can proceed to work with Google Calendar service. The following are the steps to create and update a Google Calendar in Java.
- Get an instance of GmailClient class into an IGmailClient object using GmailClient.getInstance(String, String) method.
- Create an instance of Calendar class and initialize it with name, description and other properties.
- Call IGmailClient.createCalendar(Calendar) method to create the Google Calendar.
- Get the returned ID of the calendar.
The following code sample shows how to create a Google Calendar in Java.
Update a Google Calendar in Java
The following are the steps to update a Google Calendar programmatically in Java.
- Get an instance of GmailClient class into an IGmailClient object using GmailClient.getInstance(String, String) method.
- Use IGmailClient.fetchCalendar(String) method to fetch the calendar instance using its ID.
- Update the properties of calendar and call IGmailClient.updateCalendar(Calendar) method to update the calendar.
The following code sample shows how to update a Google calendar in Java.
Delete a Google Calendar in Java
You can also delete a particular calendar using Aspose.Email for Java. The following are the steps to perform this operation.
- Get an instance of GmailClient class into an IGmailClient object using GmailClient.getInstance(String, String) method.
- Get list of calendars using IGmailClient.listCalendars() method.
- Loop through the list and filter the desired one.
- Delete calendar using IGmailClient.deleteCalendar(Calendar.getId()) method.
The following code sample shows how to delete a Google Calendar in Java.
Get a Free API License
You can get a free temporary license to use Aspose.Email for Java without evaluation limitations.
Conclusion
In this article, you have learned how to create Google Calendar programmatically in Java. Moreover, you have seen how to update and delete a particular Google Calendar in Java. Besides, you can explore the documentation to read more about Aspose.Email for Java. Also, you can ask your questions via our forum.
