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/*
 * Copyright (c) 1997, 2023 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 org.eclipse.angus.mail.handlers;

import jakarta.activation.ActivationDataFlavor;
import jakarta.activation.DataSource;
import jakarta.mail.MessagingException;
import jakarta.mail.Multipart;
import jakarta.mail.internet.MimeMultipart;

import java.io.IOException;
import java.io.OutputStream;


public class multipart_mixed extends handler_base {
    private static ActivationDataFlavor[] myDF = {
            new ActivationDataFlavor(Multipart.class,
                    "multipart/mixed", "Multipart")
    };

    /**
     * Creates a default {@code multipart_mixed}.
     */
    public multipart_mixed() {
    }

    @Override
    protected ActivationDataFlavor[] getDataFlavors() {
        return myDF;
    }

    /**
     * Return the content.
     */
    @Override
    public Object getContent(DataSource ds) throws IOException {
        try {
            return new MimeMultipart(ds);
        } catch (MessagingException e) {
            IOException ioex =
                    new IOException("Exception while constructing MimeMultipart");
            ioex.initCause(e);
            throw ioex;
        }
    }

    /**
     * Write the object to the output stream, using the specific MIME type.
     */
    @Override
    public void writeTo(Object obj, String mimeType, OutputStream os)
            throws IOException {
        if (!(obj instanceof Multipart))
            throw new IOException("\"" + getDataFlavors()[0].getMimeType() +
                    "\" DataContentHandler requires Multipart object, " +
                    "was given object of type " + obj.getClass().toString() +
                    "; obj.cl " + obj.getClass().getClassLoader() +
                    ", Multipart.cl " + Multipart.class.getClassLoader());

        try {
            ((Multipart) obj).writeTo(os);
        } catch (MessagingException e) {
            IOException ioex =
                    new IOException("Exception writing Multipart");
            ioex.initCause(e);
            throw ioex;
        }
    }
}