server/protocols/jmap-rfc-8621/src/main/java/org/apache/james/jmap/send/MailMetadata.java

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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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package org.apache.james.jmap.send;

import java.util.Objects;

import org.apache.james.mailbox.model.MessageId;
import org.apache.mailet.AttributeName;

import com.google.common.base.Preconditions;

public class MailMetadata {
    public static final AttributeName MAIL_METADATA_MESSAGE_ID_ATTRIBUTE = AttributeName.of("org.apache.james.jmap.send.MailMetaData.messageId");
    public static final AttributeName MAIL_METADATA_USERNAME_ATTRIBUTE = AttributeName.of("org.apache.james.jmap.send.MailMetaData.username");

    private final MessageId messageId;
    private final String username;

    public MailMetadata(MessageId messageId, String username) {
        Preconditions.checkNotNull(messageId);
        Preconditions.checkNotNull(username);
        this.messageId = messageId;
        this.username = username;
    }

    public MessageId getMessageId() {
        return messageId;
    }

    public String getUsername() {
        return username;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof MailMetadata) {
            MailMetadata other = (MailMetadata) obj;
            return Objects.equals(this.messageId, other.messageId)
                && Objects.equals(this.username, other.username);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hash(messageId, username);
    }
}