/*
    * Copyright 2005-2007 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.kns.web.struts.form;
  
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.Serializable;
  
  import org.apache.struts.upload.FormFile;
  
  /**
   * Empty FormFile instance, used to clear out FormFile attributes of Struts forms.
   * 
   * 
   */
  public class BlankFormFile implements FormFile, Serializable {
      public void destroy() {
      }
  
      public String getContentType() {
          throw new UnsupportedOperationException();
      }
  
      public byte[] getFileData() throws FileNotFoundException, IOException {
          throw new UnsupportedOperationException();
      }
  
      public String getFileName() {
          return "";
      }
  
      public int getFileSize() {
          return 0;
      }
  
      public InputStream getInputStream() throws FileNotFoundException, IOException {
          throw new UnsupportedOperationException();
      }
  
      public void setContentType(String contentType) {
          throw new UnsupportedOperationException();
      }
  
      public void setFileName(String fileName) {
          throw new UnsupportedOperationException();
      }
  
      public void setFileSize(int fileSize) {
          throw new UnsupportedOperationException();
      }
  }