org.bouncycastle.mail.smime.CMSProcessableBodyPartInbound Maven / Gradle / Ivy

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The Bouncy Castle Java APIs for doing S/MIME with the Jakarta Mail APIs. 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.mail.smime;

import java.io.IOException;
import java.io.OutputStream;

import jakarta.mail.BodyPart;
import jakarta.mail.MessagingException;

import org.bouncycastle.cms.CMSException;
import org.bouncycastle.cms.CMSProcessable;

/**
 * a holding class for a BodyPart to be processed which does CRLF canonicalisation if
 * dealing with non-binary data.
 */
public class CMSProcessableBodyPartInbound
    implements CMSProcessable
{
    private final BodyPart    bodyPart;
    private final String      defaultContentTransferEncoding;

    /**
     * Create a processable with the default transfer encoding of 7bit 
     * 
     * @param bodyPart body part to be processed
     */
    public CMSProcessableBodyPartInbound(
        BodyPart    bodyPart)
    {
        this(bodyPart, "7bit");
    }

    /**
     * Create a processable with the a default transfer encoding of
     * the passed in value. 
     * 
     * @param bodyPart body part to be processed
     * @param defaultContentTransferEncoding the new default to use.
     */
    public CMSProcessableBodyPartInbound(
        BodyPart    bodyPart,
        String      defaultContentTransferEncoding)
    {
        this.bodyPart = bodyPart;
        this.defaultContentTransferEncoding = defaultContentTransferEncoding;
    }

    public void write(
        OutputStream out)
        throws IOException, CMSException
    {
        try
        {
            SMIMEUtil.outputBodyPart(out, true, bodyPart, defaultContentTransferEncoding);
        }
        catch (MessagingException e)
        {
            throw new CMSException("can't write BodyPart to stream: " + e, e);
        }
    }

    public Object getContent()
    {
        return bodyPart;
    }
}