org.apache.james.mailbox.jpa.mail.model.openjpa.JPAEncryptedMailboxMessage.java Source code

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Here is the source code for org.apache.james.mailbox.jpa.mail.model.openjpa.JPAEncryptedMailboxMessage.java

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 * 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.mailbox.jpa.mail.model.openjpa;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;

import javax.mail.Flags;
import javax.mail.internet.SharedInputStream;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Lob;
import javax.persistence.Table;

import org.apache.commons.io.IOUtils;
import org.apache.james.mailbox.exception.MailboxException;
import org.apache.james.mailbox.jpa.mail.model.JPAMailbox;
import org.apache.james.mailbox.store.mail.model.MailboxMessage;
import org.apache.james.mailbox.store.mail.model.impl.PropertyBuilder;
import org.apache.openjpa.persistence.Externalizer;
import org.apache.openjpa.persistence.Factory;

@Entity(name = "MailboxMessage")
@Table(name = "JAMES_MAIL")
public class JPAEncryptedMailboxMessage extends AbstractJPAMailboxMessage {

    /** The value for the body field. Lazy loaded */
    /** We use a max length to represent 1gb data. Thats prolly overkill, but who knows */
    @Basic(optional = false, fetch = FetchType.LAZY)
    @Column(name = "MAIL_BYTES", length = 1048576000, nullable = false)
    @Externalizer("EncryptDecryptHelper.getEncrypted")
    @Factory("EncryptDecryptHelper.getDecrypted")
    @Lob
    private byte[] body;

    /** The value for the header field. Lazy loaded */
    /** We use a max length to represent 1gb data. Thats prolly overkill, but who knows */
    @Basic(optional = false, fetch = FetchType.LAZY)
    @Column(name = "HEADER_BYTES", length = 10485760, nullable = false)
    @Externalizer("EncryptDecryptHelper.getEncrypted")
    @Factory("EncryptDecryptHelper.getDecrypted")
    @Lob
    private byte[] header;

    public JPAEncryptedMailboxMessage(JPAMailbox mailbox, Date internalDate, int size, Flags flags,
            SharedInputStream content, int bodyStartOctet, PropertyBuilder propertyBuilder)
            throws MailboxException {
        super(mailbox, internalDate, flags, size, bodyStartOctet, propertyBuilder);
        try {
            int headerEnd = bodyStartOctet;
            if (headerEnd < 0) {
                headerEnd = 0;
            }
            this.header = IOUtils.toByteArray(content.newStream(0, headerEnd));
            this.body = IOUtils.toByteArray(content.newStream(getBodyStartOctet(), -1));

        } catch (IOException e) {
            throw new MailboxException("Unable to parse message", e);
        }
    }

    /**
     * Create a copy of the given message
     */
    public JPAEncryptedMailboxMessage(JPAMailbox mailbox, long uid, long modSeq, MailboxMessage message)
            throws MailboxException {
        super(mailbox, uid, modSeq, message);
        try {
            this.body = IOUtils.toByteArray(message.getBodyContent());
            this.header = IOUtils.toByteArray(message.getHeaderContent());
        } catch (IOException e) {
            throw new MailboxException("Unable to parse message", e);
        }
    }

    @Override
    public InputStream getBodyContent() throws IOException {
        return new ByteArrayInputStream(body);
    }

    @Override
    public InputStream getHeaderContent() throws IOException {
        return new ByteArrayInputStream(header);
    }

}