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 <heckmann@hbe.ca>
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(MirConfig.getProp("Home")+
71 public boolean set (byte[] uploadedData, Entity ent, Entity mediaTypeEnt )
72 throws MirMediaException {
74 String ext = mediaTypeEnt.getValue("name");
75 String mediaFname = ent.getId()+"."+ext;
76 String date = ent.getValue("date");
77 String datePath = StringUtil.webdbDate2path(date);
78 Integer size = new Integer(uploadedData.length);
80 FileUtil.write(getStoragePath()+"/"+datePath+"/"+mediaFname,
82 //were done with the data, dereference.
85 ent.setValueForProperty("publish_path",datePath+"/"+mediaFname);
86 ent.setValueForProperty("size", size.toString());
88 } catch (Exception e) {
89 theLog.printError(e.toString());
90 throw new MirMediaException(e.toString());
96 public void produce (Entity ent, Entity mediaTypeEnt )
97 throws MirMediaException {
99 //check first if the media file exist since produced
100 //location is also the storage location
101 String date = ent.getValue("date");
102 String datePath = StringUtil.webdbDate2path(date);
103 String relPath = datePath+ent.getId()+"."+mediaTypeEnt.getValue("name");
104 String fname = getStoragePath()+relPath;
105 if(! new File(fname).exists())
106 throw new MirMediaException("error in MirMedia.produce(): "+relPath+
111 //a method that will probably never get used..
112 private byte[] getFile (String fileName)
113 throws MirMediaException {
115 long size = FileUtil.getSize(fileName);
116 if (size < 0) return null;
118 byte[] container = new byte[(int)size];
121 FileUtil.read(fileName, container);
122 } catch (Exception e) {
123 theLog.printError(e.toString());
124 throw new MirMediaException(e.toString());
130 public byte[] get (Entity ent, Entity mediaTypeEnt) {
134 public byte[] getIcon (Entity ent) {
138 public String getStoragePath()
140 return MirConfig.getProp("Producer.Media.Path");
143 public String getIconStoragePath()
145 return MirConfig.getProp("Producer.Image.IconPath");
148 public String getPublishHost()
150 return MirConfig.getProp("Producer.Media.Host");
153 public String getTinyIcon()
155 return MirConfig.getProp("Producer.Icon.TinyText");
158 public String getBigIcon()
160 return MirConfig.getProp("Producer.Icon.BigText");
163 public String getIconAlt()
165 return "Generic media";
168 public SimpleList getURL(Entity ent, Entity mediaTypeEnt)
170 SimpleList theList = new SimpleList();
175 public boolean isVideo()
180 public boolean isAudio()
185 public boolean isImage()
190 public String getDescr( Entity mediaType)
192 return mediaType.getValue("mime_type");