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.alibaba.jstorm.utils;
  
  import java.io.Serializable;
  import java.util.Date;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.commons.lang.builder.ToStringBuilder;
  import org.apache.commons.lang.builder.ToStringStyle;
  import org.json.simple.JSONAware;
  
  public class FileAttribute implements Serializable, JSONAware {
      private static final long serialVersionUID = -5131640995402822835L;
  
      private String fileName;
      private String isDir;
      private String modifyTime;
      private String size;
  
      public static final String FILE_NAME_FIELD = "fileName";
      public static final String IS_DIR_FIELD = "isDir";
      public static final String MODIFY_TIME_FIELD = "modifyTime";
      public static final String SIZE_FIELD = "size";
  
      public String getFileName() {
          return fileName;
      }
  
      public void setFileName(String fileName) {
          this.fileName = fileName;
      }
  
      public String getIsDir() {
          return isDir;
      }
  
      public void setIsDir(String isDir) {
          this.isDir = isDir;
      }
  
      public String getModifyTime() {
          return modifyTime;
      }
  
      public void setModifyTime(String modifyTime) {
          this.modifyTime = modifyTime;
      }
  
      public String getSize() {
          return size;
      }
  
      public void setSize(String size) {
          this.size = size;
      }
  
      @Override
      public String toString() {
          return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
      }
  
      @Override
      public String toJSONString() {
          Map<String, String> map = new HashMap<>();
  
          map.put(FILE_NAME_FIELD, fileName);
          map.put(IS_DIR_FIELD, isDir);
          map.put(MODIFY_TIME_FIELD, modifyTime);
          map.put(SIZE_FIELD, size);
          return JStormUtils.to_json(map);
      }
  
      public static FileAttribute fromJSONObject(Map jobj) {
          if (jobj == null) {
              return null;
          }
  
          FileAttribute attribute = new FileAttribute();
  
          attribute.setFileName((String) jobj.get(FILE_NAME_FIELD));
          attribute.setIsDir((String) jobj.get(IS_DIR_FIELD));
          attribute.setModifyTime((String) jobj.get(MODIFY_TIME_FIELD));
          attribute.setSize((String) jobj.get(SIZE_FIELD));
  
          return attribute;
      }
  
      public static void main(String[] args) {
          Map<String, FileAttribute> map = new HashMap<>();
  
          FileAttribute attribute = new FileAttribute();
          attribute.setFileName("test");
          attribute.setIsDir("true");
          attribute.setModifyTime(new Date().toString());
          attribute.setSize("4096");
  
          map.put("test", attribute);
  
          System.out.println("Before:" + map);
  
          String jsonString = JStormUtils.to_json(map);
  
          Map<String, Map> map2 = (Map<String, Map>) JStormUtils.from_json(jsonString);
  
          Map jObject = map2.get("test");
  
          FileAttribute attribute2 = FileAttribute.fromJSONObject(jObject);
  
          System.out.println("attribute2:" + attribute2);
      }
  
  }
  