/*
    * Copyright (c) 2002-2022, City of Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.plugins.genericattributes.business;
  
  import fr.paris.lutece.util.filesystem.FileSystemUtil;
  
  import org.apache.commons.fileupload.FileItem;
  import org.apache.commons.fileupload.FileItemHeaders;
  
  import java.io.ByteArrayInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.io.UnsupportedEncodingException;
  
  /**
   * GenAttFileItem : builds a new fileItem
   */
  public class GenAttFileItem implements FileItem
  {
      private static final long serialVersionUID = -8540841906551362771L;
      private byte [ ] _bValue;
      private String _strFileName;
      private String _strFieldName;
      private int _nIdResponse;
      private FileItemHeaders _fileItemHeaders;
  
      /**
       * Creates a new file item
       * 
       * @param bValue
       *            the byte value
       * @param strFileName
       *            the file name
       */
      public GenAttFileItem( byte [ ] bValue, String strFileName )
      {
          _bValue = bValue;
          _strFileName = strFileName;
      }
  
      /**
       * Creates a new file item
       * 
       * @param bValue
       *            the byte value
       * @param strFileName
       *            the file name
       * @param nIdResponse
       *            The id of the response associated with this file item if any
       */
      public GenAttFileItem( byte [ ] bValue, String strFileName, int nIdResponse )
      {
          _bValue = bValue;
          _strFileName = strFileName;
          _nIdResponse = nIdResponse;
      }
  
      /**
       * Creates a new file item
       * 
       * @param bValue
       *            the byte value
       * @param strFileName
       *            the file name
       * @param strFieldName
       *            The name of the HTML field associated with this file, if any
       * @param nIdResponse
      *            The id of the response associated with this file item if any
      */
     public GenAttFileItem( byte [ ] bValue, String strFileName, String strFieldName, int nIdResponse )
     {
         _bValue = bValue;
         _strFileName = strFileName;
         _strFieldName = strFieldName;
         _nIdResponse = nIdResponse;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void delete( )
     {
         _bValue = null;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public byte [ ] get( )
     {
         return _bValue;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getContentType( )
     {
         return FileSystemUtil.getMIMEType( _strFileName );
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getFieldName( )
     {
         return _strFieldName;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public InputStream getInputStream( ) throws IOException
     {
         return new ByteArrayInputStream( _bValue );
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getName( )
     {
         return _strFileName;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public OutputStream getOutputStream( ) throws IOException
     {
         return null;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public long getSize( )
     {
         return _bValue.length;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getString( )
     {
         return new String( _bValue );
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getString( String encoding ) throws UnsupportedEncodingException
     {
         return new String( _bValue, encoding );
     }
 
     /**
      * Get the id of the associated response, if any
      * 
      * @return The id of the associated response, if any
      */
     public int getIdResponse( )
     {
         return _nIdResponse;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public boolean isFormField( )
     {
         return false;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public boolean isInMemory( )
     {
         return true;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setFieldName( String strName )
     {
         _strFieldName = strName;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setFormField( boolean bState )
     {
         // nothing
     }
 
     /**
      * Set the id of the associated response, if any
      * 
      * @param nIdResponse
      *            The id of the associated response, if any
      */
     public void setIdResponse( int nIdResponse )
     {
         _nIdResponse = nIdResponse;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void write( java.io.File file ) throws Exception
     {
         // nothing
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public FileItemHeaders getHeaders( )
     {
         return _fileItemHeaders;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setHeaders( FileItemHeaders headers )
     {
         _fileItemHeaders = headers;
     }
 }