Package com.hdfsTools.action

Source Code of com.hdfsTools.action.CheckAction

/**
*
*/
package com.hdfsTools.action;

import java.io.IOException;
import java.util.List;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus;

import com.hdfsTools.dao.checkDao;
import com.hdfsTools.impl.checkImpl;

/**
* @author rongjianping
* @data 2011-2-10
*
*/
public class CheckAction extends BaseAction {

  public CheckAction() {
  }

  /**
   * 根据文件系统的url来初始化文件系统
   *
   * @param fsUrl
   *            文件系统的id,fo example "hdfs://localhost:8889"
   */
  /*
   * public CheckAction(String fsUrl){ super(fsUrl); }
   */

  public CheckAction(Configuration conf) {
    super(conf);
  }

  /**
   * 查询目录列表和文件的总列表
   *
   * @param directory
   *            example /user
   * @return List<FileStatus>
   * @throws IOException
   */
  public List<FileStatus> doList(String directory) throws IOException {

    checkDao check = new checkImpl();
    List<FileStatus> list = check.doList(directory, getConf());
    for (FileStatus file : list) {

      System.out.println("id:" + file.getPath().hashCode() + "----path:"
          + file.getPath() + "-----name:" + file.getPath().getName());
    }
    return list;
  }

  /**
   * 获得文件列表
   *
   * @param directory
   *            example /user
   * @return
   * @throws IOException
   */
  public List<FileStatus> doListFile(String directory) throws IOException {

    checkDao check = new checkImpl();
    List<FileStatus> list = check.doListFile(directory, getConf());
    for (FileStatus file : list) {
      System.out.println("id:" + file.getPath().hashCode() + "path:"
          + file.getPath() + "name:" + file.getPath().getName());
    }
    return list;
  }

  /**
   *
   * @param directory
   * @return
   * @throws IOException
   */
  public List<FileStatus> doListDirectory(String directory)
      throws IOException {

    checkDao check = new checkImpl();
    return check.doListDirectory(directory, getConf());
  }

  /**
   *
   * @param path
   *            example /user or /user/gg.txt
   * @return
   * @throws IOException
   */

  public long getfileSize(String path) throws IOException {

    checkDao check = new checkImpl();
    long size = check.getfileSize(path, getConf());
    System.out.println("the size is:" + size);
    return size;
  }

  public static void main(String args[]) {

    CheckAction check = new CheckAction();
    try {
      // check.doList("/");
      // check.doListFile("/user");
      // check.doListDirectory("/");
      check.doList("/");
      check.getfileSize("/");
    } catch (IOException s) {

    }

  }
}
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