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 }