001 /** 002 * =========================================================== 003 * LibRepository : a free Java content repository access layer 004 * =========================================================== 005 * 006 * Project Info: http://jfreereport.pentaho.org/librepository/ 007 * 008 * (C) Copyright 2006, by Pentaho Corporation and Contributors. 009 * 010 * This library is free software; you can redistribute it and/or modify it under the terms 011 * of the GNU Lesser General Public License as published by the Free Software Foundation; 012 * either version 2.1 of the License, or (at your option) any later version. 013 * 014 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 015 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 016 * See the GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public License along with this 019 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 020 * Boston, MA 02111-1307, USA. 021 * 022 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 023 * in the United States and other countries.] 024 * 025 * ------------ 026 * ContentItem.java 027 * ------------ 028 * (C) Copyright 2006, by Pentaho Corporation. 029 */ 030 031 package org.jfree.repository; 032 033 import java.io.IOException; 034 import java.io.InputStream; 035 import java.io.OutputStream; 036 037 /** 038 * A content item holds the actual content. On a file system, this would be a 039 * file. Whether reading and writing the same content item at the same time is 040 * allowed is implementation specific. 041 * 042 * @author Thomas Morgner 043 */ 044 public interface ContentItem extends ContentEntity 045 { 046 public String getMimeType() throws ContentIOException; 047 public OutputStream getOutputStream() throws ContentIOException, IOException; 048 049 public InputStream getInputStream() 050 throws ContentIOException, IOException; 051 052 public boolean isReadable(); 053 public boolean isWriteable(); 054 }