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/*
 * Copyright (c) 1997, 2020 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 jakarta.mail;

import jakarta.activation.DataSource;

/**
 * MultipartDataSource is a DataSource that contains body
 * parts.  This allows "mail aware" DataContentHandlers to
 * be implemented more efficiently by being aware of such
 * DataSources and using the appropriate methods to access
 * BodyParts. 

* * Note that the data of a MultipartDataSource is also available as * an input stream.

* * This interface will typically be implemented by providers that * preparse multipart bodies, for example an IMAP provider. * * @author John Mani * @see jakarta.activation.DataSource */ public interface MultipartDataSource extends DataSource { /** * Return the number of enclosed BodyPart objects. * * @return number of parts */ public int getCount(); /** * Get the specified Part. Parts are numbered starting at 0. * * @param index the index of the desired Part * @return the Part * @exception IndexOutOfBoundsException if the given index * is out of range. * @exception MessagingException for other failures */ public BodyPart getBodyPart(int index) throws MessagingException; }





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