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;
35 import java.io.FileInputStream;
36 import java.io.IOException;
37 import java.io.InputStream;
39 import mir.config.MirPropertiesConfiguration;
40 import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;
41 import mir.entity.Entity;
42 import mir.media.MirMedia;
43 import mir.media.MirMediaException;
44 import mir.misc.FileUtil;
45 import mir.misc.Logfile;
46 import mir.misc.StringUtil;
47 import freemarker.template.SimpleList;
51 * This is the Generic MediaHandler. It stores the media data on
52 * the filesystem and keeps basic metadata (size, type...) in the
53 * DB. Usually only representation needs to be overridden.
54 * See the MediaHandlerAudio class to see an example of how one
57 * Most media handlers should override this class.
59 * In theory, it could be used to handle miscellaneous media that
60 * we don't have entered in the media_type table, (like RTF documents,
63 * Of course it implements the MirMedia interface.
65 * @see mir.media.MirMedia
66 * @author mh <mh@nadir.org>
67 * @version $Id: MediaHandlerGeneric.java,v 1.13 2003/01/25 17:50:35 idfx Exp $
70 public class MediaHandlerGeneric implements MirMedia
72 protected static MirPropertiesConfiguration configuration;
73 protected static String imageHost;
74 protected static String imageRoot;
75 protected static Logfile theLog;
76 private final String sepChar = File.separator;
80 configuration = MirPropertiesConfiguration.instance();
81 } catch (PropertiesConfigExc e) {
84 imageHost = configuration.getString("Producer.Image.Host");
85 imageRoot = configuration.getString("Producer.ImageRoot");
86 theLog = Logfile.getInstance(configuration.getStringWithHome("log/media.log"));
89 public void set (InputStream in, Entity ent, Entity mediaTypeEnt )
90 throws MirMediaException {
92 String ext = mediaTypeEnt.getValue("name");
93 String mediaFname = ent.getId()+"."+ext;
94 String date = ent.getValue("date");
95 String datePath = StringUtil.webdbDate2path(date);
97 long size = FileUtil.write(getStoragePath()+sepChar+datePath+
98 sepChar+mediaFname, in);
99 ent.setValueForProperty("publish_path",datePath+mediaFname);
100 ent.setValueForProperty("size", new Long(size).toString());
102 } catch (Exception e) {
103 theLog.printError(e.toString());
104 throw new MirMediaException(e.toString());
109 public void produce (Entity ent, Entity mediaTypeEnt )
110 throws MirMediaException {
112 //check first if the media file exist since produced
113 //location is also the storage location
114 String date = ent.getValue("date");
115 String datePath = StringUtil.webdbDate2path(date);
116 String relPath = datePath+ent.getId()+"."+mediaTypeEnt.getValue("name");
117 String fname = getStoragePath()+relPath;
118 if(! new File(fname).exists())
119 throw new MirMediaException("error in MirMedia.produce(): "+relPath+
123 public InputStream getMedia (Entity ent, Entity mediaTypeEnt)
124 throws MirMediaException {
125 String publishPath = ent.getValue("publish_path");
126 String fname = getStoragePath()+publishPath;
127 File f = new File(fname);
129 throw new MirMediaException("error in MirMedia.getMedia(): "+fname+
133 in = new FileInputStream(f);
134 } catch (IOException e) {
135 throw new MirMediaException("getMedia(): "+e.toString());
140 public InputStream getIcon (Entity ent) throws MirMediaException {
144 public String getStoragePath()
146 return configuration.getString("Producer.Media.Path");
149 public String getIconStoragePath()
151 return configuration.getString("Producer.Image.IconPath");
154 public String getPublishHost()
156 return StringUtil.removeSlash(configuration.getString("Producer.Media.Host"));
159 public String getTinyIconName()
161 return configuration.getString("Producer.Icon.TinyText");
164 public String getBigIconName()
166 return configuration.getString("Producer.Icon.BigText");
169 public String getIconAltName()
171 return "Generic media";
174 public SimpleList getURL(Entity ent, Entity mediaTypeEnt)
176 SimpleList theList = new SimpleList();
181 public boolean isVideo()
186 public boolean isAudio()
191 public boolean isImage()
196 public String getDescr( Entity mediaType)
198 return mediaType.getValue("mime_type");