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   /*
    * Copyright 2012 The Netty Project
    *
    * The Netty Project 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 org.jboss.netty.handler.codec.http.multipart;
  
  import org.jboss.netty.handler.codec.http.HttpHeaders;
  
  import java.io.File;
  import java.nio.charset.Charset;
  
  /**
   * Disk FileUpload implementation that stores file into real files
   */
  public class DiskFileUpload extends AbstractDiskHttpData implements FileUpload {
      public static String baseDirectory;
  
      public static boolean deleteOnExitTemporaryFile = true;
  
      public static final String prefix = "FUp_";
  
      public static final String postfix = ".tmp";
  
      private String filename;
  
      private String contentType;
  
      private String contentTransferEncoding;
  
      public DiskFileUpload(String name, String filename, String contentType,
              String contentTransferEncoding, Charset charset, long size) {
          super(name, charset, size);
          setFilename(filename);
          setContentType(contentType);
          setContentTransferEncoding(contentTransferEncoding);
      }
  
      public HttpDataType getHttpDataType() {
          return HttpDataType.FileUpload;
      }
  
      public String getFilename() {
          return filename;
      }
  
      public void setFilename(String filename) {
          if (filename == null) {
              throw new NullPointerException("filename");
          }
          this.filename = filename;
      }
  
      @Override
      public int hashCode() {
          return getName().hashCode();
      }
  
      @Override
      public boolean equals(Object o) {
          if (!(o instanceof Attribute)) {
              return false;
          }
          Attribute attribute = (Attribute) o;
          return getName().equalsIgnoreCase(attribute.getName());
      }
  
      public int compareTo(InterfaceHttpData o) {
          if (!(o instanceof FileUpload)) {
              throw new ClassCastException("Cannot compare " + getHttpDataType() +
                      " with " + o.getHttpDataType());
          }
          return compareTo((FileUpload) o);
      }
  
      public int compareTo(FileUpload o) {
          int v;
          v = getName().compareToIgnoreCase(o.getName());
          if (v != 0) {
              return v;
          }
          // TODO should we compare size ?
          return v;
      }
  
      public void setContentType(String contentType) {
          if (contentType == null) {
              throw new NullPointerException("contentType");
          }
         this.contentType = contentType;
     }
 
     public String getContentType() {
         return contentType;
     }
 
     public String getContentTransferEncoding() {
         return contentTransferEncoding;
     }
 
     public void setContentTransferEncoding(String contentTransferEncoding) {
         this.contentTransferEncoding = contentTransferEncoding;
     }
 
     @Override
     public String toString() {
         return HttpPostBodyUtil.CONTENT_DISPOSITION + ": " +
             HttpPostBodyUtil.FORM_DATA + "; " + HttpPostBodyUtil.NAME + "=\"" + getName() +
                 "\"; " + HttpPostBodyUtil.FILENAME + "=\"" + filename + "\"\r\n" +
                 HttpHeaders.Names.CONTENT_TYPE + ": " + contentType +
                 (charset != null? "; " + HttpHeaders.Values.CHARSET + '=' + charset.name() + "\r\n" : "\r\n") +
                 HttpHeaders.Names.CONTENT_LENGTH + ": " + length() + "\r\n" +
                 "Completed: " + isCompleted() +
                 "\r\nIsInMemory: " + isInMemory() + "\r\nRealFile: " +
                 file.getAbsolutePath() + " DefaultDeleteAfter: " +
                 deleteOnExitTemporaryFile;
     }
 
     @Override
     protected boolean deleteOnExit() {
         return deleteOnExitTemporaryFile;
     }
 
     @Override
     protected String getBaseDirectory() {
         return baseDirectory;
     }
 
     @Override
     protected String getDiskFilename() {
         File file = new File(filename);
         return file.getName();
     }
 
     @Override
     protected String getPostfix() {
         return postfix;
     }
 
     @Override
     protected String getPrefix() {
         return prefix;
     }
 }