1 /** 2 * Copyright (C) 2005-2009 Alfresco Software Limited. 3 * 4 * This file is part of the Spring Surf Extension project. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * 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, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.springframework.extensions.surf.resource; 20 21 import java.io.IOException; 22 import java.io.InputStream; 23 import java.io.Reader; 24 25 /** 26 * Interface to describe content around a Resource. 27 * 28 * @author muzquiano 29 */ 30 public interface ResourceContent 31 { 32 /** 33 * A link back to the resource of which this content is a part 34 * 35 * @return 36 */ 37 public Resource getResource(); 38 39 /** 40 * Returns the timestamp when this content convenience instance 41 * was created 42 * 43 * @return 44 */ 45 public long getTimestamp(); 46 47 /** 48 * Gets the bytes. 49 * 50 * @return the bytes 51 */ 52 public byte[] getBytes() throws IOException; 53 54 /** 55 * Retrieves an input stream to the resource content 56 * 57 * @return the input stream 58 * 59 * @throws IOException Signals that an I/O exception has occurred. 60 */ 61 public InputStream getInputStream() throws IOException; 62 63 /** 64 * Gets the reader for the resource content 65 * 66 * @return the reader 67 * 68 * @throws IOException Signals that an I/O exception has occurred. 69 */ 70 public Reader getReader() throws IOException; 71 72 }