content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF 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.apache.chemistry.opencmis.commons.data;
  
  import java.io.InputStream;
  import java.math.BigInteger;
  
  /**
   * Content stream.
   */
  public interface ContentStream extends ExtensionsData {
  
      /**
       * Returns the length of the stream.
       * 
       * @return the length of the stream in bytes or -1 if the length is unknown
       */
      long getLength();
  
      /**
       * Returns the length of the stream.
       * 
       * @return the length of the stream in bytes or {@code null} if the length
       *         is unknown
       */
      BigInteger getBigLength();
  
      /**
       * Returns the MIME type of the stream.
       * 
       * @return the MIME type of the stream or {@code null} if the MIME type is
       *         unknown
       */
      String getMimeType();
  
      /**
       * Returns the file name of the stream.
       * 
       * @return the file name of the stream or {@code null} if the file name is
       *         unknown
       */
      String getFileName();
  
      /**
       * Returns the stream.
       * <p>
       * It is important to close this stream properly!
       * 
       * @return the stream
       */
      InputStream getStream();
  }
  