ResumableBodyConsumer.java

/*
* Copyright (c) 2010-2012 Sonatype, Inc. All rights reserved.
*
* This program is licensed to you under the Apache License Version 2.0,
* and you may not use this file except in compliance with the Apache License Version 2.0.
* You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the Apache License Version 2.0 is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
*/

package com.ning.http.client;

import java.io.IOException;

/**
 * @author Benjamin Hanzelmann
 */
public interface ResumableBodyConsumer extends BodyConsumer {

    /**
     * Prepare this consumer to resume a download, for example by seeking to the end of the underlying file.
     *
     * @throws IOException
     */
    void resume() throws IOException;

    /**
     * Get the previously transferred bytes, for example the current file size.
     *
     * @throws IOException
     */
    long getTransferredBytes() throws IOException;


}