1 files changed, 90 insertions, 0 deletions
diff --git a/libraries/spongycastle/mail/src/main/java/org/spongycastle/mail/smime/handlers/x_pkcs7_signature.java b/libraries/spongycastle/mail/src/main/java/org/spongycastle/mail/smime/handlers/x_pkcs7_signature.java
new file mode 100644
index 000000000..a58fd5310
--- /dev/null
+++ b/libraries/spongycastle/mail/src/main/java/org/spongycastle/mail/smime/handlers/x_pkcs7_signature.java
@@ -0,0 +1,90 @@
+package org.bouncycastle.mail.smime.handlers;
+
+import java.awt.datatransfer.DataFlavor;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import javax.activation.ActivationDataFlavor;
+import javax.activation.DataContentHandler;
+import javax.activation.DataSource;
+import javax.mail.MessagingException;
+import javax.mail.internet.MimeBodyPart;
+
+public class x_pkcs7_signature 
+    implements DataContentHandler 
+{
+    
+    /*  
+     *  
+     *  VARIABLES
+     *  
+     */ 
+    
+    private static final ActivationDataFlavor ADF;
+    private static final DataFlavor[]         ADFs;
+    
+    static 
+    {
+        ADF  = new ActivationDataFlavor(MimeBodyPart.class, "application/x-pkcs7-signature", "Signature");
+        ADFs = new DataFlavor[] { ADF };
+    }
+    
+    public Object getContent(DataSource _ds) 
+        throws IOException 
+    {
+        return _ds.getInputStream();
+    }
+    
+    public Object getTransferData(DataFlavor _df, DataSource _ds) 
+        throws IOException 
+    {    
+        if (ADF.equals(_df)) 
+        {
+            return getContent(_ds);
+        }
+        else 
+        {
+            return null;
+        }
+    }
+    
+    public DataFlavor[] getTransferDataFlavors() 
+    {
+        return ADFs;
+    }
+    
+    public void writeTo(Object _obj, String _mimeType, OutputStream _os) 
+        throws IOException 
+    {
+        if (_obj instanceof MimeBodyPart) 
+        {
+            try 
+            {
+                ((MimeBodyPart)_obj).writeTo(_os);
+            } 
+            catch (MessagingException ex) 
+            {
+                throw new IOException(ex.getMessage());
+            }
+        }
+        else if (_obj instanceof byte[]) 
+        {
+            _os.write((byte[])_obj);
+        }
+        else if (_obj instanceof InputStream)
+        {
+            int            b;
+            InputStream    in = (InputStream)_obj;
+
+            while ((b = in.read()) >= 0)
+            {
+                _os.write(b);
+            }
+        }
+        else
+        {
+            throw new IOException("unknown object in writeTo " + _obj);
+        }
+    }
+}