content: /*
   * 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 com.aliyun.odps.volume;
  
  /**
   * Interface that represents the client side information for a file.
   */
  public class FileStatus implements Comparable {
  
    private Path path;
    private long length;
    private boolean isdir;
    private long modification_time;
  
    public FileStatus() {
      this(0, false, 0, null);
    }
  
    public FileStatus(long length, boolean isdir,
                      long modification_time,
                      Path path) {
      this.length = length;
      this.isdir = isdir;
      this.modification_time = modification_time;
      this.path = path;
    }
  
    /**
     * Get the length of this file, in bytes.
     *
     * @return the length of this file, in bytes.
     */
    public long getLen() {
      return length;
    }
  
    /**
     * Is this a file?
     *
     * @return true if this is a file
     */
    public boolean isFile() {
      return !isdir;
    }
  
    /**
     * Is this a directory?
     *
     * @return true if this is a directory
     */
    public boolean isDirectory() {
      return isdir;
    }
  
    /**
     * Get the modification time of the file.
     *
     * @return the modification time of file in milliseconds since January 1, 1970 UTC.
     */
    public long getModificationTime() {
      return modification_time;
    }
  
    public Path getPath() {
      return path;
    }
  
    public void setPath(final Path p) {
      path = p;
    }
  
    /**
     * Compare this object to another object
     *
     * @param o
     *     the object to be compared.
     * @return a negative integer, zero, or a positive integer as this object
     * is less than, equal to, or greater than the specified object.
     * @throws ClassCastException
     *     if the specified object's is not of
     *     type FileStatus
     */
    @Override
    public int compareTo(Object o) {
      FileStatus other = (FileStatus) o;
      return this.getPath().compareTo(other.getPath());
    }
  
    /**
     * Compare if this object is equal to another object
     *
     * @param o
     *     the object to be compared.
     * @return true if two file status has the same path name; false if not.
     */
    @Override
    public boolean equals(Object o) {
      if (o == null) {
        return false;
      }
      if (this == o) {
        return true;
      }
      if (!(o instanceof FileStatus)) {
        return false;
      }
      FileStatus other = (FileStatus) o;
      return this.getPath().equals(other.getPath());
    }
  
    /**
     * Returns a hash code value for the object, which is defined as
     * the hash code of the path name.
     *
     * @return a hash code value for the path name.
     */
    @Override
    public int hashCode() {
      return getPath().hashCode();
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder();
      sb.append("{");
      sb.append("path=" + path);
      sb.append("; isDirectory=" + isdir);
      if (!isDirectory()) {
        sb.append("; length=" + length);
      }
      sb.append("; modification_time=" + modification_time);
      sb.append("}");
      return sb.toString();
    }
  }
  