com.sun.mail.handlers.message_rfc822 Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.mail.handlers;
import java.io.*;
import java.util.Properties;
import javax.activation.*;
import javax.mail.*;
import javax.mail.internet.*;
/**
* @author Christopher Cotton
*/
public class message_rfc822 extends handler_base {
private static ActivationDataFlavor[] ourDataFlavor = {
new ActivationDataFlavor(Message.class, "message/rfc822", "Message")
};
@Override
protected ActivationDataFlavor[] getDataFlavors() {
return ourDataFlavor;
}
/**
* Return the content.
*/
@Override
public Object getContent(DataSource ds) throws IOException {
// create a new MimeMessage
try {
Session session;
if (ds instanceof MessageAware) {
MessageContext mc = ((MessageAware)ds).getMessageContext();
session = mc.getSession();
} else {
// Hopefully a rare case. Also hopefully the application
// has created a default Session that can just be returned
// here. If not, the one we create here is better than
// nothing, but overall not a really good answer.
session = Session.getDefaultInstance(new Properties(), null);
}
return new MimeMessage(session, ds.getInputStream());
} catch (MessagingException me) {
IOException ioex =
new IOException("Exception creating MimeMessage in " +
"message/rfc822 DataContentHandler");
ioex.initCause(me);
throw ioex;
}
}
/**
* Write the object as a byte stream.
*/
@Override
public void writeTo(Object obj, String mimeType, OutputStream os)
throws IOException {
if (!(obj instanceof Message))
throw new IOException("\"" + getDataFlavors()[0].getMimeType() +
"\" DataContentHandler requires Message object, " +
"was given object of type " + obj.getClass().toString() +
"; obj.cl " + obj.getClass().getClassLoader() +
", Message.cl " + Message.class.getClassLoader());
// if the object is a message, we know how to write that out
Message m = (Message)obj;
try {
m.writeTo(os);
} catch (MessagingException me) {
IOException ioex = new IOException("Exception writing message");
ioex.initCause(me);
throw ioex;
}
}
}