1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.chemistry.opencmis.commons.data; 20 21 import java.io.InputStream; 22 import java.math.BigInteger; 23 24 /** 25 * Content stream. 26 */ 27 public interface ContentStream extends ExtensionsData { 28 29 /** 30 * Returns the length of the stream. 31 * 32 * @return the length of the stream in bytes or -1 if the length is unknown 33 */ 34 long getLength(); 35 36 /** 37 * Returns the length of the stream. 38 * 39 * @return the length of the stream in bytes or {@code null} if the length 40 * is unknown 41 */ 42 BigInteger getBigLength(); 43 44 /** 45 * Returns the MIME type of the stream. 46 * 47 * @return the MIME type of the stream or {@code null} if the MIME type is 48 * unknown 49 */ 50 String getMimeType(); 51 52 /** 53 * Returns the file name of the stream. 54 * 55 * @return the file name of the stream or {@code null} if the file name is 56 * unknown 57 */ 58 String getFileName(); 59 60 /** 61 * Returns the stream. 62 * <p> 63 * It is important to close this stream properly! 64 * 65 * @return the stream 66 */ 67 InputStream getStream(); 68 }