package com.atlassian.plugins.rest.common.multipart.fileupload;
   
   import com.atlassian.plugins.rest.common.multipart.FilePart;
   import com.atlassian.plugins.rest.common.multipart.UnsupportedFileNameEncodingException;
   import com.google.common.base.Preconditions;
   import org.apache.commons.fileupload.FileItem;
   import org.apache.commons.fileupload.util.mime.MimeUtility;
   
   import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.UnsupportedEncodingException;
  
  public final class CommonsFileUploadFilePart implements FilePart {
      private final FileItem fileItem;
      private final String name;
  
      CommonsFileUploadFilePart(FileItem fileItem) {
          this.fileItem = Preconditions.checkNotNull(fileItem);
          try {
              if (fileItem.getName() == null) {
                  name = null;
              } else {
                  this.name = new File(
                          MimeUtility.decodeText(fileItem.getName())
                  ).getName();
              }
  
          } catch (UnsupportedEncodingException e) {
              throw new UnsupportedFileNameEncodingException(fileItem.getName());
          }
      }
  
      public String getName() {
          return name;
      }
  
      public InputStream getInputStream() throws IOException {
          return fileItem.getInputStream();
      }
  
      public String getContentType() {
          return fileItem.getContentType();
      }
  
      public void write(final File file) throws IOException {
          try {
              fileItem.write(file);
          } catch (Exception e) {
              if (e instanceof IOException) {
                  throw (IOException) e;
              } else {
                  throw new IOException(e);
              }
          }
      }
  
      public String getValue() {
          return fileItem.getString();
      }
  
      public boolean isFormField() {
          return fileItem.isFormField();
      }
  
      @Override
      public long getSize() {
          return fileItem.getSize();
      }
  }