Append message body

The following example shows you how to append (update) message body text.
import java.util.ArrayList;
import java.util.Arrays;

import com.independentsoft.graph.ContentType;
import com.independentsoft.graph.GraphClient;
import com.independentsoft.graph.GraphException;
import com.independentsoft.graph.ItemBody;
import com.independentsoft.graph.mails.Message;
import com.independentsoft.graph.mails.MessagePropertyName;
import com.independentsoft.graph.StandardMailboxFolder;
import com.independentsoft.graph.queryoptions.Query;
import com.independentsoft.graph.users.UserId;

public class Console {

	public static void main(String[] args)
	{
		try
		{
			GraphClient client = new GraphClient();

			client.setClientId("63333333-209e-454e-b7bd-55a4d201270f");
			client.setTenant("independentsoft.onmicrosoft.com");
			client.setClientSecret("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");

			Query query = new Query();
			query.setTop(999);

			java.util.List<Message> messages = client.getMessages(StandardMailboxFolder.INBOX, new UserId("info@independentsoft.onmicrosoft.com"), query);

			for (int i = 0; i < messages.size(); i++)
			{
				System.out.println("Id = " + messages.get(i).getId());
				System.out.println("Subject = " + messages.get(i).getSubject());

				if (messages.get(i).getBody() == null)
				{
					messages.get(i).setBody(new ItemBody("New message body.", ContentType.TEXT));
				}
				else if (messages.get(i).getBody() != null && messages.get(i).getBody().getContentType() == ContentType.TEXT)
				{
					messages.get(i).getBody().setContent(messages.get(i).getBody().getContent()	+ " appended message body");
				}
				else if (messages.get(i).getBody() != null && messages.get(i).getBody().getContentType() == ContentType.HTML)
				{
					messages.get(i).getBody().setContent(messages.get(i).getBody().getContent().replace("</html>", " <b>appended message body</b></html>"));
				}

				Message updatedMessage = client.updateMessage(messages.get(i), new ArrayList<String> (Arrays.asList(MessagePropertyName.BODY)), new UserId("info@independentsoft.onmicrosoft.com"));
			}
		}
		catch (GraphException e)
		{
			System.out.println(e.getCode());
			System.out.println(e.getMessage());

			e.printStackTrace();
		}
	}
}
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