hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/nfs3/request/SYMLINK3Request.java

/**
 * 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.hadoop.nfs.nfs3.request;

import java.io.IOException;
import java.nio.charset.StandardCharsets;

import org.apache.hadoop.nfs.nfs3.FileHandle;
import org.apache.hadoop.oncrpc.XDR;

/**
 * SYMLINK3 Request
 */
public class SYMLINK3Request extends RequestWithHandle {
  private final String name;     // The name of the link
  private final SetAttr3 symAttr;
  private final String symData;  // It contains the target
  
  public static SYMLINK3Request deserialize(XDR xdr) throws IOException {
    FileHandle handle = readHandle(xdr);
    String name = xdr.readString();
    SetAttr3 symAttr = new SetAttr3();
    symAttr.deserialize(xdr);
    String symData = xdr.readString();
    return new SYMLINK3Request(handle, name, symAttr, symData);
  }

  public SYMLINK3Request(FileHandle handle, String name, SetAttr3 symAttr,
      String symData) {
    super(handle);
    this.name = name;
    this.symAttr = symAttr;
    this.symData = symData;
  }
  
  public String getName() {
    return name;
  }

  public SetAttr3 getSymAttr() {
    return symAttr;
  }

  public String getSymData() {
    return symData;
  }

  @Override
  public void serialize(XDR xdr) {
    handle.serialize(xdr);
    xdr.writeInt(name.getBytes(StandardCharsets.UTF_8).length);
    xdr.writeFixedOpaque(name.getBytes(StandardCharsets.UTF_8));
    symAttr.serialize(xdr);
    xdr.writeInt(symData.getBytes(StandardCharsets.UTF_8).length);
    xdr.writeFixedOpaque(symData.getBytes(StandardCharsets.UTF_8));
  }
}