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 * DummyContentItem.java
027 * ------------
028 * (C) Copyright 2006, by Pentaho Corporation.
029 */
030
031 package org.jfree.repository.dummy;
032
033 import java.io.OutputStream;
034 import java.io.IOException;
035 import java.io.InputStream;
036 import java.io.ByteArrayInputStream;
037
038 import org.jfree.repository.ContentItem;
039 import org.jfree.repository.ContentLocation;
040 import org.jfree.repository.ContentIOException;
041 import org.jfree.repository.Repository;
042
043 /**
044 * Creation-Date: 13.11.2006, 17:16:02
045 *
046 * @author Thomas Morgner
047 */
048 public class DummyContentItem implements ContentItem
049 {
050 private ContentLocation parent;
051 private String name;
052 private static final byte[] EMPTY_BUFFER = new byte[0];
053
054 public DummyContentItem(final ContentLocation parent, final String name)
055 {
056 this.parent = parent;
057 this.name = name;
058 }
059
060 public String getMimeType() throws ContentIOException
061 {
062 return getRepository().getMimeRegistry().getMimeType(this);
063 }
064
065 public OutputStream getOutputStream() throws ContentIOException, IOException
066 {
067 return new NullOutputStream();
068 }
069
070 public InputStream getInputStream() throws ContentIOException, IOException
071 {
072 return new ByteArrayInputStream(EMPTY_BUFFER);
073 }
074
075 public boolean isReadable()
076 {
077 return false;
078 }
079
080 public boolean isWriteable()
081 {
082 return false;
083 }
084
085 public String getName()
086 {
087 return name;
088 }
089
090 public Object getContentId()
091 {
092 return name;
093 }
094
095 public Object getAttribute(final String domain, final String key)
096 {
097 return null;
098 }
099
100 public boolean setAttribute(final String domain, final String key, final Object value)
101 {
102 return false;
103 }
104
105 public ContentLocation getParent()
106 {
107 return parent;
108 }
109
110 public Repository getRepository()
111 {
112 return parent.getRepository();
113 }
114
115 public boolean delete()
116 {
117 return false;
118 }
119 }