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.inmemory.storedobj.api;
  
  import org.apache.chemistry.opencmis.commons.data.ContentStream;
  
  /**
   * Interface to represent a content stream according to the CMIS spec.
   */
  public interface Content {
  
      /**
       * Returns {@code true} if this object has content or false if there is no
       * content attached.
       * 
       * @return true if has content otherwise false
       */
      boolean hasContent();
  
      /**
       * Retrieves the content of a document.
       * 
       * @return object containing mime-type, length and a stream with content
       */
      ContentStream getContent();
  
      /**
       * Assigns content to a document. Existing content gets overwritten. The
       * document is not yet persisted in the new state.
       * 
       * @param content
       *            content to be assigned to the document.
       */
      void setContent(ContentStream content);
  }
  