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The Bouncy Castle Java CMS and S/MIME APIs for handling the CMS and S/MIME protocols. This jar contains CMS and S/MIME APIs for JDK 1.6. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs. If the S/MIME API is used, the JavaMail API and the Java activation framework will also be needed.
package org.bouncycastle.mail.smime;
import org.bouncycastle.cms.CMSException;
import org.bouncycastle.cms.CMSProcessable;
import org.bouncycastle.mail.smime.util.CRLFOutputStream;
import javax.mail.BodyPart;
import javax.mail.MessagingException;
import javax.mail.internet.MimeBodyPart;
import java.io.IOException;
import java.io.OutputStream;
/**
* a holding class for a BodyPart to be processed which does CRLF canocicalisation if
* dealing with non-binary data.
*/
public class CMSProcessableBodyPartOutbound
implements CMSProcessable
{
private BodyPart bodyPart;
private String defaultContentTransferEncoding;
/**
* Create a processable with the default transfer encoding of 7bit
*
* @param bodyPart body part to be processed
*/
public CMSProcessableBodyPartOutbound(
BodyPart bodyPart)
{
this.bodyPart = bodyPart;
}
/**
* 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 CMSProcessableBodyPartOutbound(
BodyPart bodyPart,
String defaultContentTransferEncoding)
{
this.bodyPart = bodyPart;
this.defaultContentTransferEncoding = defaultContentTransferEncoding;
}
public void write(
OutputStream out)
throws IOException, CMSException
{
try
{
if (SMIMEUtil.isCanonicalisationRequired((MimeBodyPart)bodyPart, defaultContentTransferEncoding))
{
out = new CRLFOutputStream(out);
}
bodyPart.writeTo(out);
}
catch (MessagingException e)
{
throw new CMSException("can't write BodyPart to stream.", e);
}
}
public Object getContent()
{
return bodyPart;
}
}