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 * StreamContentItem.java 027 * ------------ 028 * (C) Copyright 2006, by Pentaho Corporation. 029 */ 030 031 package org.jfree.repository.stream; 032 033 import java.io.OutputStream; 034 import java.io.IOException; 035 import java.io.InputStream; 036 037 import org.jfree.repository.ContentItem; 038 import org.jfree.repository.ContentLocation; 039 import org.jfree.repository.ContentIOException; 040 import org.jfree.repository.Repository; 041 042 /** 043 * Creation-Date: 13.11.2006, 17:27:04 044 * 045 * @author Thomas Morgner 046 */ 047 public class StreamContentItem implements ContentItem 048 { 049 private WrappedInputStream inputStream; 050 private WrappedOutputStream outputStream; 051 private ContentLocation parent; 052 private String name; 053 054 public StreamContentItem(final String name, 055 final ContentLocation parent, 056 final WrappedInputStream inputStream, 057 final WrappedOutputStream outputStream) 058 { 059 this.name = name; 060 this.parent = parent; 061 this.inputStream = inputStream; 062 this.outputStream = outputStream; 063 } 064 065 public boolean isReadable() 066 { 067 if (inputStream == null) 068 { 069 return false; 070 } 071 return inputStream.isClosed() == false; 072 } 073 074 public boolean isWriteable() 075 { 076 if (outputStream == null) 077 { 078 return false; 079 } 080 return outputStream.isClosed() == false; 081 } 082 083 public String getMimeType() throws ContentIOException 084 { 085 return getRepository().getMimeRegistry().getMimeType(this); 086 } 087 088 public OutputStream getOutputStream() throws ContentIOException, IOException 089 { 090 return outputStream; 091 } 092 093 public InputStream getInputStream() throws ContentIOException, IOException 094 { 095 return inputStream; 096 } 097 098 public String getName() 099 { 100 return name; 101 } 102 103 public Object getContentId() 104 { 105 return name; 106 } 107 108 public Object getAttribute(final String domain, final String key) 109 { 110 return null; 111 } 112 113 public boolean setAttribute(final String domain, final String key, final Object value) 114 { 115 return false; 116 } 117 118 public ContentLocation getParent() 119 { 120 return parent; 121 } 122 123 public Repository getRepository() 124 { 125 return parent.getRepository(); 126 } 127 128 public boolean delete() 129 { 130 return false; 131 } 132 }