/**
    * Copyright 2005-2016 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.krad.file;
  
  import org.kuali.rice.core.api.CoreApiServiceLocator;
  import org.springframework.web.multipart.MultipartFile;
  
  import javax.sql.rowset.serial.SerialBlob;
  import java.io.InputStream;
  import java.io.Serializable;
  import java.sql.Blob;
  import java.text.DecimalFormat;
  import java.util.Date;
  
  /**
   * Class used for interactions between the controller and form when using the multifile upload widget.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class FileMetaBlob implements Serializable, FileMeta {
  
      private static final long serialVersionUID = 56328058337130228L;
  
      private String id;
      private String name;
      private String contentType;
      private Long size;
      private Date dateUploaded;
      private String url;
  
      private MultipartFile multipartFile;
      private Blob blob;
  
      public FileMetaBlob() {
      }
  
      public void init(MultipartFile multipartFile) throws Exception {
          this.name = multipartFile.getOriginalFilename();
          this.contentType = multipartFile.getContentType();
          this.size = multipartFile.getSize();
          this.multipartFile = multipartFile;
          blob = new SerialBlob(multipartFile.getBytes());
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getId() {
          return id;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void setId(String id) {
          this.id = id;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getName() {
          return name;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void setName(String name) {
          this.name = name;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getContentType() {
          return contentType;
      }
  
      /**
       * {@inheritDoc}
      */
     @Override
     public void setContentType(String contentType) {
         this.contentType = contentType;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public Long getSize() {
         return size;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setSize(Long size) {
         this.size = size;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getSizeFormatted() {
         DecimalFormat format = new DecimalFormat("0.#");
 
         if (size >= 1000000000) {
             return format.format((((double)size) / 1000000000)) + " GB";
         } else if (size >= 1000000) {
             return format.format((((double)size) / 1000000)) + " MB";
         } else {
             return format.format((((double)size) / 1000)) + " KB";
         }
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public Date getDateUploaded() {
         return dateUploaded;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setDateUploaded(Date dateUploaded) {
         this.dateUploaded = dateUploaded;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getDateUploadedFormatted() {
         if (dateUploaded != null) {
             return CoreApiServiceLocator.getDateTimeService().toDateTimeString(dateUploaded);
         } else {
             return "";
         }
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getUrl() {
         return url;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setUrl(String url) {
         this.url = url;
     }
 
     /**
      * Get the MultipartFile that is populated by the controller during the upload process.
      *
      * @return the MultipartFile object
      */
     public MultipartFile getMultipartFile() {
         return multipartFile;
     }
 
     /**
      * @see #getMultipartFile()
      */
     public void setMultipartFile(MultipartFile multipartFile) {
         this.multipartFile = multipartFile;
     }
 
     /**
      * Get the serialized blob data representing the file
      *
      * @return the blob data
      */
     public Blob getBlob() {
         return blob;
     }
 
     /**
      * @see #getBlob()
      */
     public void setBlob(Blob blob) {
         this.blob = blob;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String toString() {
         return "FileBase{" +
                 "id='" + id + '\'' +
                 ", name='" + name + '\'' +
                 ", contentType='" + contentType + '\'' +
                 ", size=" + size +
                 ", dateUploaded=" + dateUploaded +
                 ", url='" + url + '\'' +
                 '}';
     }
 }