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 any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
30 package mircoders.media;
33 import java.io.FileInputStream;
34 import java.io.InputStream;
36 import mir.config.MirPropertiesConfiguration;
37 import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;
38 import mir.entity.Entity;
39 import mir.log.LoggerWrapper;
40 import mir.media.MediaExc;
41 import mir.media.MediaFailure;
42 import mir.media.MirMedia;
43 import mir.misc.FileUtil;
44 import mir.misc.StringUtil;
45 import freemarker.template.SimpleList;
49 * This is the Generic MediaHandler. It stores the media data on
50 * the filesystem and keeps basic metadata (size, type...) in the
51 * DB. Usually only representation needs to be overridden.
52 * See the MediaHandlerAudio class to see an example of how one
55 * Most media handlers should override this class.
57 * In theory, it could be used to handle miscellaneous media that
58 * we don't have entered in the media_type table, (like RTF documents,
61 * Of course it implements the MirMedia interface.
63 * @see mir.media.MirMedia
64 * @author mh <mh@nadir.org>
65 * @version $Id: MediaHandlerGeneric.java,v 1.19 2003/04/21 12:42:48 idfx Exp $
68 public class MediaHandlerGeneric implements MirMedia
70 protected static MirPropertiesConfiguration configuration;
71 protected static String imageHost;
72 protected static String imageRoot;
74 protected LoggerWrapper logger;
78 configuration = MirPropertiesConfiguration.instance();
80 catch (PropertiesConfigExc e) {
82 imageHost = configuration.getString("Producer.Image.Host");
83 imageRoot = configuration.getString("Producer.ImageRoot");
86 public MediaHandlerGeneric() {
87 logger = new LoggerWrapper("Media.Generic");
90 public void set (InputStream in, Entity ent, Entity mediaTypeEnt ) throws MediaExc, MediaFailure {
91 String ext = mediaTypeEnt.getValue("name");
92 String mediaFname = ent.getId() + "." + ext;
93 String date = ent.getValue("date");
94 String datePath = StringUtil.webdbDate2path(date);
96 long size = FileUtil.write(getStoragePath() + File.separator + datePath +
97 File.separator + mediaFname, in);
98 ent.setValueForProperty("publish_path", datePath + mediaFname);
99 ent.setValueForProperty("size", new Long(size).toString());
102 catch (Throwable e) {
103 logger.error("MediaHandlerGeneric.set: " + e.toString());
104 throw new MediaFailure(e);
108 public void produce (Entity ent, Entity mediaTypeEnt ) throws MediaExc, MediaFailure {
109 //check first if the media file exist since produced
110 //location is also the storage location
112 String date = ent.getValue("date");
113 String datePath = StringUtil.webdbDate2path(date);
114 String relPath = datePath+ent.getId()+"."+mediaTypeEnt.getValue("name");
115 String fname = getStoragePath()+relPath;
116 if(! new File(fname).exists())
117 throw new MediaExc("error in MirMedia.produce(): " + relPath + " does not exist!");
120 public InputStream getMedia (Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
121 String publishPath = ent.getValue("publish_path");
122 String fname = getStoragePath()+publishPath;
123 File f = new File(fname);
125 throw new MediaExc("error in MirMedia.getMedia(): " + fname + " does not exist!");
127 FileInputStream inputStream;
129 inputStream = new FileInputStream(f);
131 catch (Throwable e) {
132 throw new MediaFailure("MediaHandlerGeneric.getMedia(): " + e.toString(), e);
138 public InputStream getIcon (Entity ent) throws MediaExc, MediaFailure {
142 public String getStoragePath()
144 return configuration.getString("Producer.Media.Path");
147 public String getIconStoragePath()
149 return configuration.getString("Producer.Image.IconPath");
152 public String getPublishHost()
154 return StringUtil.removeSlash(configuration.getString("Producer.Media.Host"));
157 public String getTinyIconName()
159 return configuration.getString("Producer.Icon.TinyText");
162 public String getBigIconName()
164 return configuration.getString("Producer.Icon.BigText");
167 public String getIconAltName()
169 return "Generic media";
172 public SimpleList getURL(Entity ent, Entity mediaTypeEnt)
174 SimpleList theList = new SimpleList();
179 public boolean isVideo()
184 public boolean isAudio()
189 public boolean isImage()
194 public String getDescr( Entity mediaType)
196 return mediaType.getValue("mime_type");