server/protocols/jmap-draft-integration-testing/jmap-draft-integration-testing-common/src/test/java/org/apache/james/jmap/MessageAppender.java

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package org.apache.james.jmap;

import java.io.ByteArrayInputStream;
import java.nio.charset.StandardCharsets;
import java.util.Date;
import java.util.List;

import jakarta.mail.Flags;

import org.apache.james.core.Username;
import org.apache.james.mailbox.exception.MailboxException;
import org.apache.james.mailbox.model.ComposedMessageId;
import org.apache.james.mailbox.model.MailboxPath;
import org.apache.james.mailbox.probe.MailboxProbe;

import com.google.common.collect.ImmutableList;

public class MessageAppender {

    private MessageAppender() {

    }

    public static List<ComposedMessageId> fillMailbox(MailboxProbe mailboxProbe, String user, String mailbox) {
        ImmutableList.Builder<ComposedMessageId> insertedMessages = ImmutableList.builder();
        try {
            for (int i = 0; i < 1000; ++i) {
                String mailContent = "Subject: test\r\n\r\ntestmail" + String.valueOf(i);
                ByteArrayInputStream messagePayload = new ByteArrayInputStream(mailContent.getBytes(StandardCharsets.UTF_8));
                insertedMessages.add(
                    mailboxProbe.appendMessage(user, MailboxPath.forUser(Username.of(user), mailbox), messagePayload, new Date(), false, new Flags()));
            }
        } catch (MailboxException ignored) {
            //we expect an exception to be thrown because of quota reached
        }
        return insertedMessages.build();
    }
}