2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
32 package mircoders.media;
37 import freemarker.template.SimpleList;
46 * This is the Generic MediaHandler. It stores the media data on
47 * the filesystem and keeps basic metadata (size, type...) in the
48 * DB. Usually only representation needs to be overridden.
49 * See the MediaHandlerAudio class to see an example of how one
52 * Most media handlers should override this class.
54 * In theory, it could be used to handle miscellaneous media that
55 * we don't have entered in the media_type table, (like RTF documents,
58 * Of course it implements the MirMedia interface.
60 * @see mir.media.MirMedia
61 * @author mh <mh@nadir.org>
62 * @version $Id: MediaHandlerGeneric.java,v 1.7.2.4 2002/11/27 06:52:47 mh Exp $
65 public class MediaHandlerGeneric implements MirMedia
67 protected static String imageHost = MirConfig.getProp("Producer.Image.Host");
68 protected static String imageRoot = MirConfig.getProp("Producer.ImageRoot");
69 protected static Logfile theLog = Logfile.getInstance(
70 MirConfig.getProp("Home")+
72 private final String sepChar = File.separator;
74 public void set (InputStream in, Entity ent, Entity mediaTypeEnt )
75 throws MirMediaException {
77 String ext = mediaTypeEnt.getValue("name");
78 String mediaFname = ent.getId()+"."+ext;
79 String date = ent.getValue("date");
80 String datePath = StringUtil.webdbDate2path(date);
82 long size = FileUtil.write(getStoragePath()+sepChar+datePath+
83 sepChar+mediaFname, in);
84 ent.setValueForProperty("publish_path",datePath+mediaFname);
85 ent.setValueForProperty("size", new Long(size).toString());
87 } catch (Exception e) {
88 theLog.printError(e.toString());
89 throw new MirMediaException(e.toString());
94 public void produce (Entity ent, Entity mediaTypeEnt )
95 throws MirMediaException {
97 //check first if the media file exist since produced
98 //location is also the storage location
99 String date = ent.getValue("date");
100 String datePath = StringUtil.webdbDate2path(date);
101 String relPath = datePath+ent.getId()+"."+mediaTypeEnt.getValue("name");
102 String fname = getStoragePath()+relPath;
103 if(! new File(fname).exists())
104 throw new MirMediaException("error in MirMedia.produce(): "+relPath+
109 public InputStream getMedia (Entity ent, Entity mediaTypeEnt)
110 throws MirMediaException {
111 String publishPath = ent.getValue("publish_path");
112 String fname = getStoragePath()+publishPath;
113 File f = new File(fname);
115 throw new MirMediaException("error in MirMedia.getMedia(): "+fname+
119 in = new FileInputStream(f);
120 } catch (IOException e) {
121 throw new MirMediaException("getMedia(): "+e.toString());
126 public InputStream getIcon (Entity ent) {
130 public String getStoragePath()
132 return MirConfig.getProp("Producer.Media.Path");
135 public String getIconStoragePath()
137 return MirConfig.getProp("Producer.Image.IconPath");
140 public String getPublishHost()
142 return StringUtil.removeSlash(MirConfig.getProp("Producer.Media.Host"));
145 public String getTinyIconName()
147 return MirConfig.getProp("Producer.Icon.TinyText");
150 public String getBigIconName()
152 return MirConfig.getProp("Producer.Icon.BigText");
155 public String getIconAltName()
157 return "Generic media";
160 public SimpleList getURL(Entity ent, Entity mediaTypeEnt)
162 SimpleList theList = new SimpleList();
167 public boolean isVideo()
172 public boolean isAudio()
177 public boolean isImage()
182 public String getDescr( Entity mediaType)
184 return mediaType.getValue("mime_type");