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The Bouncy Castle Java APIs for the OpenPGP Protocol. The APIs are designed primarily to be used in conjunction with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.openpgp;

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

import org.bouncycastle.bcpg.BCPGInputStream;
import org.bouncycastle.bcpg.LiteralDataPacket;

/**
 * A single literal data packet in a PGP object stream.
 */
public class PGPLiteralData
{
    /** Format tag for binary literal data */
    public static final char    BINARY = 'b';
    /** Format tag for textual literal data */
    public static final char    TEXT = 't';
    /** Format tag for UTF-8 encoded textual literal data */
    public static final char    UTF8 = 'u';

    /**
     * The special name indicating a "for your eyes only" packet.
     */
    public static final String  CONSOLE = "_CONSOLE";

    /**
     * The special time for a modification time of "now" or
     * the present time.
     */
    public static final Date    NOW = new Date(0L);

    LiteralDataPacket    data;

    public PGPLiteralData(
        BCPGInputStream    pIn)
        throws IOException
    {
        data  = (LiteralDataPacket)pIn.readPacket();
    }

    /**
     * Return the format of the data packet. One of {@link #BINARY}, {@link #TEXT} or {@link #UTF8}
     */
    public int getFormat()
    {
        return data.getFormat();
    }

    /**
     * Return the file name associated with the data packet.
     */
    public String getFileName()
    {
        return data.getFileName();
    }

    /**
     * Return the file name as an uninterpreted (UTF-8 encoded) byte array.
     */
    public byte[] getRawFileName()
    {
        return data.getRawFileName();
    }

    /**
     * Return the modification time for the file (at second level precision).
     */
    public Date getModificationTime()
    {
        return new Date(data.getModificationTime());
    }

    /**
     * Return the raw input stream for the data packet.
     */
    public InputStream getInputStream()
    {
        return data.getInputStream();
    }

    /**
     * Return the input stream representing the data stream.
     * Equivalent to {@link #getInputStream()}.
     */
    public InputStream getDataStream()
    {
        return this.getInputStream();
    }
}