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/*
 * Copyright (c) 1997, 2023 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.eclipse.angus.mail.imap.protocol;

import org.eclipse.angus.mail.iap.ByteArray;
import org.eclipse.angus.mail.iap.ParsingException;

import java.io.ByteArrayInputStream;

/**
 * The RFC822 response data item.
 *
 * @author John Mani
 * @author Bill Shannon
 */

public class RFC822DATA implements Item {

    static final char[] name = {'R', 'F', 'C', '8', '2', '2'};
    private final int msgno;
    private final ByteArray data;
    private final boolean isHeader;

    /**
     * Constructor, header flag is false.
     *
     * @throws ParsingException for parsing failures
     * @param    r    the FetchResponse
     */
    public RFC822DATA(FetchResponse r) throws ParsingException {
        this(r, false);
    }

    /**
     * Constructor, specifying header flag.
     *
     * @param    r    the FetchResponse
     * @param    isHeader    just header information?
     * @exception ParsingException    for parsing failures
     */
    public RFC822DATA(FetchResponse r, boolean isHeader)
            throws ParsingException {
        this.isHeader = isHeader;
        msgno = r.getNumber();
        r.skipSpaces();
        data = r.readByteArray();
    }

    public ByteArray getByteArray() {
        return data;
    }

    public ByteArrayInputStream getByteArrayInputStream() {
        if (data != null)
            return data.toByteArrayInputStream();
        else
            return null;
    }

    public boolean isHeader() {
        return isHeader;
    }
}