NfsDirectoryPlusEntry.java

/**
 * Copyright 2016-2018 Dell Inc. or its subsidiaries. All rights reserved.
 *
 * <p>Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file
 * except in compliance with the License. A copy of the License is located at
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 * <p>or in the "license" file accompanying this file. This file 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 com.emc.ecs.nfsclient.nfs;

import com.emc.ecs.nfsclient.rpc.Xdr;

/**
 * Holder for entries returned by READDIRPLUS calls, as specified by RFC 1813
 * (https://tools.ietf.org/html/rfc1813).
 *
 * @author seibed
 */
public class NfsDirectoryPlusEntry extends NfsDirectoryEntry {

  /** The attributes of the file. */
  private final NfsGetAttributes _attributes;

  /** The file handle, for use in RPC calls. */
  private final byte[] _fileHandle;

  /**
   * Create the entry.
   *
   * @param xdr The response.
   */
  public NfsDirectoryPlusEntry(Xdr xdr) {
    super(xdr);
    if (xdr.getBoolean()) {
      _attributes = new NfsGetAttributes();
      _attributes.unmarshalling(xdr);
    } else {
      _attributes = null;
    }
    if (xdr.getBoolean()) {
      _fileHandle = xdr.getByteArray();
    } else {
      _fileHandle = null;
    }
  }

  /** Returns the attributes of the file. */
  public final NfsGetAttributes getAttributes() {
    return _attributes;
  }

  /** Returns the file handle, for use in RPC calls. */
  public final byte[] getFileHandle() {
    return _fileHandle == null ? null : _fileHandle.clone();
  }
}