1 files changed, 73 insertions, 0 deletions
diff --git a/libraries/spongycastle/mail/src/main/java/org/spongycastle/mail/smime/CMSProcessableBodyPartOutbound.java b/libraries/spongycastle/mail/src/main/java/org/spongycastle/mail/smime/CMSProcessableBodyPartOutbound.java
new file mode 100644
index 000000000..4c4b3b110
--- /dev/null
+++ b/libraries/spongycastle/mail/src/main/java/org/spongycastle/mail/smime/CMSProcessableBodyPartOutbound.java
@@ -0,0 +1,73 @@
+package org.bouncycastle.mail.smime;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.mail.BodyPart;
+import javax.mail.MessagingException;
+import javax.mail.internet.MimeBodyPart;
+
+import org.bouncycastle.cms.CMSException;
+import org.bouncycastle.cms.CMSProcessable;
+import org.bouncycastle.mail.smime.util.CRLFOutputStream;
+
+/**
+ * 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;
+    }
+}