MD5FileExtensionImpl.java example

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.sshd.client.subsystem.sftp.extensions.helpers;

import java.io.IOException;
import java.util.Collection;

import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
import org.apache.sshd.client.subsystem.sftp.SftpClient;
import org.apache.sshd.client.subsystem.sftp.extensions.MD5FileExtension;
import org.apache.sshd.common.subsystem.sftp.SftpConstants;

/**
 * Implements "md5-hash" extension
 *
 * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
 * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
 */
public class MD5FileExtensionImpl extends AbstractMD5HashExtension implements MD5FileExtension {
    public MD5FileExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
        super(SftpConstants.EXT_MD5_HASH, client, raw, extra);
    }

    @Override
    public byte[] getHash(String path, long offset, long length, byte[] quickHash) throws IOException {
        return doGetHash(path, offset, length, quickHash);
    }
}