org.bouncycastle.mail.smime.handlers.PKCS7ContentHandler Maven / Gradle / Ivy

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The Bouncy Castle Java APIs for doing S/MIME with JavaMail. 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.handlers;

import java.awt.datatransfer.DataFlavor;
import java.io.IOException;
import java.io.OutputStream;

import javax.activation.ActivationDataFlavor;
import javax.activation.DataContentHandler;
import javax.activation.DataSource;
import javax.mail.internet.MimeBodyPart;

public class PKCS7ContentHandler 
    implements DataContentHandler 
{
    private final ActivationDataFlavor _adf;
    private final DataFlavor[]         _dfs;
    
    PKCS7ContentHandler(
        ActivationDataFlavor adf,
        DataFlavor[]         dfs)
    {
        _adf = adf;
        _dfs = dfs;
    }

    public Object getContent(
        DataSource ds)
        throws IOException
    {
        return ds.getInputStream();
    }
    
    public Object getTransferData(
        DataFlavor df, 
        DataSource ds) 
        throws IOException 
    {
        return HandlerUtil.getTransferData(this, _adf, df, ds);
    }
    
    public DataFlavor[] getTransferDataFlavors() 
    {
        return _dfs;
    }
    
    public void writeTo(
        Object obj, 
        String mimeType,
        OutputStream os) 
        throws IOException 
    {
        if (obj instanceof MimeBodyPart) 
        {
            HandlerUtil.writeFromMimeBodyPart((MimeBodyPart)obj, os);
        }
        else
        {
            HandlerUtil.writeFromBarrInputStreamSMIMESTreamProcessor(obj, os);
        }
    }
}