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jersey-all is a rebundled verison of Jersey as one OSGi bundle.
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2012 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
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
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 * file and include the License file at packager/legal/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.
 *
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 */
package org.glassfish.jersey.media.multipart;

import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;

import org.jvnet.mimepull.MIMEPart;

/**
 * Proxy class representing the entity of a {@link BodyPart} when a
 * {@link MultiPart} entity is received and parsed.
 * 
 * Its primary purpose is to provide an input stream to retrieve the actual data.
 * However, it also transparently deals with storing the data in a temporary disk
 * file, if it is larger than a configurable size; otherwise, the data is stored
 * in memory for faster processing.
 *
 * @author Craig McClanahan
 * @author Paul Sandoz (paul.sandoz at oracle.com)
 * @author Michal Gajdos (michal.gajdos at oracle.com)
 */
public class BodyPartEntity implements Closeable {

    private final MIMEPart mimePart;

    /**
     * Constructs a new {@link BodyPartEntity} with a {@link MIMEPart}.
     *
     * @param mimePart MIMEPart containing the input stream of this body part entity.
     */
    public BodyPartEntity(final MIMEPart mimePart) {
        this.mimePart = mimePart;
    }

    /**
     * Gets the input stream of the raw bytes of this body part entity.
     *
     * @return the input stream of the body part entity.
     */
    public InputStream getInputStream() {
        return mimePart.read();
    }

    /**
     * Cleans up temporary file(s), if any were utilized.
     */
    public void cleanup() {
        mimePart.close();
    }

    /**
     * Defers to {@link #cleanup}.
     */
    public void close() throws IOException {
        cleanup();
    }

}