javax.mail.BodyPart.java Source code

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 */

package javax.mail;

/**
 * This class models a Part that is contained within a Multipart.
 * This is an abstract class. Subclasses provide actual implementations.<p>
 *
 * BodyPart implements the Part interface. Thus, it contains a set of
 * attributes and a "content".
 *
 * @author John Mani
 * @author Bill Shannon
 */

public abstract class BodyPart implements Part {

    /**
     * The <code>Multipart</code> object containing this <code>BodyPart</code>,
     * if known.
     * @since   JavaMail 1.1
     */
    protected Multipart parent;

    /**
     * Return the containing <code>Multipart</code> object,
     * or <code>null</code> if not known.
     *
     * @return   the parent Multipart
     */
    public Multipart getParent() {
        return parent;
    }

    /**
     * Set the parent of this <code>BodyPart</code> to be the specified
     * <code>Multipart</code>.  Normally called by <code>Multipart</code>'s
     * <code>addBodyPart</code> method.  <code>parent</code> may be
     * <code>null</code> if the <code>BodyPart</code> is being removed
     * from its containing <code>Multipart</code>.
     * @since   JavaMail 1.1
     */
    void setParent(Multipart parent) {
        this.parent = parent;
    }
}