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 * FileContentEntity.java
027 * ------------
028 * (C) Copyright 2006, by Pentaho Corporation.
029 */
030
031 package org.jfree.repository.file;
032
033 import java.io.File;
034 import java.util.Date;
035
036 import org.jfree.repository.ContentEntity;
037 import org.jfree.repository.ContentLocation;
038 import org.jfree.repository.LibRepositoryBoot;
039 import org.jfree.repository.Repository;
040
041 /**
042 * Creation-Date: 13.11.2006, 12:01:47
043 *
044 * @author Thomas Morgner
045 */
046 public abstract class FileContentEntity implements ContentEntity
047 {
048 private File backend;
049 private ContentLocation parent;
050 private Repository repository;
051
052 protected FileContentEntity(final ContentLocation parent, final File backend)
053 {
054 this.repository = parent.getRepository();
055 this.parent = parent;
056 this.backend = backend;
057 }
058
059 protected FileContentEntity(final Repository repository, final File backend)
060 {
061 this.repository = repository;
062 this.backend = backend;
063 }
064
065 public Repository getRepository()
066 {
067 return repository;
068 }
069
070 public String getName()
071 {
072 return backend.getName();
073 }
074
075 protected File getBackend()
076 {
077 return backend;
078 }
079
080 public Object getContentId()
081 {
082 return getName();
083 }
084
085 public Object getAttribute(final String domain, final String key)
086 {
087 if (LibRepositoryBoot.REPOSITORY_DOMAIN.equals(domain))
088 {
089 if (LibRepositoryBoot.SIZE_ATTRIBUTE.equals(key))
090 {
091 return new Long(backend.length());
092 }
093 else if (LibRepositoryBoot.VERSION_ATTRIBUTE.equals(key))
094 {
095 return new Date(backend.lastModified());
096 }
097 }
098 return null;
099 }
100
101 public boolean setAttribute(final String domain, final String key, final Object value)
102 {
103 if (LibRepositoryBoot.REPOSITORY_DOMAIN.equals(domain))
104 {
105 if (LibRepositoryBoot.VERSION_ATTRIBUTE.equals(key))
106 {
107 if (value instanceof Date)
108 {
109 final Date date = (Date) value;
110 return backend.setLastModified(date.getTime());
111 }
112 else if (value instanceof Number)
113 {
114 final Number time = (Number) value;
115 return backend.setLastModified(time.longValue());
116 }
117 }
118 }
119 return false;
120 }
121
122 public ContentLocation getParent()
123 {
124 return parent;
125 }
126
127 public boolean delete()
128 {
129 return backend.delete();
130 }
131 }