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;
32 import java.io.File;
\r
33 import java.io.FileInputStream;
\r
34 import java.io.InputStream;
\r
35 import java.util.List;
\r
36 import java.util.Vector;
\r
37 import javax.servlet.ServletContext;
\r
39 import mir.config.MirPropertiesConfiguration;
\r
40 import mir.entity.Entity;
\r
41 import mir.log.LoggerWrapper;
\r
42 import mir.media.MediaExc;
\r
43 import mir.media.MediaFailure;
\r
44 import mir.media.MirMedia;
\r
45 import mir.misc.FileUtil;
\r
46 import mir.misc.StringUtil;
50 * This is the Generic MediaHandler. It stores the media data on
51 * the filesystem and keeps basic metadata (size, type...) in the
52 * DB. Usually only representation needs to be overridden.
53 * See the MediaHandlerAudio class to see an example of how one
56 * Most media handlers should override this class.
58 * In theory, it could be used to handle miscellaneous media that
59 * we don't have entered in the media_type table, (like RTF documents,
62 * Of course it implements the MirMedia interface.
64 * @see mir.media.MirMedia
65 * @author mh <mh@nadir.org>
66 * @version $Id: MediaHandlerGeneric.java,v 1.20.2.2 2003/09/03 17:49:39 zapata Exp $
69 public class MediaHandlerGeneric implements MirMedia
71 protected static MirPropertiesConfiguration configuration;
72 protected static String imageHost;
73 protected static String imageRoot;
75 protected LoggerWrapper logger;
79 configuration = MirPropertiesConfiguration.instance();
81 catch (MirPropertiesConfiguration.PropertiesConfigExc e) {
83 imageHost = configuration.getString("Producer.Image.Host");
84 imageRoot = configuration.getString("Producer.ImageRoot");
87 public MediaHandlerGeneric() {
88 logger = new LoggerWrapper("Media.Generic");
91 public void set (InputStream in, Entity ent, Entity mediaTypeEnt ) throws MediaExc, MediaFailure {
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() + File.separator + datePath +
98 File.separator + mediaFname, in);
99 ent.setValueForProperty("publish_path", datePath + mediaFname);
100 ent.setValueForProperty("size", new Long(size).toString());
103 catch (Throwable e) {
104 logger.error("MediaHandlerGeneric.set: " + e.toString());
105 throw new MediaFailure(e);
109 public void produce (Entity ent, Entity mediaTypeEnt ) throws MediaExc, MediaFailure {
110 //check first if the media file exist since produced
111 //location is also the storage location
113 String date = ent.getValue("date");
114 String datePath = StringUtil.webdbDate2path(date);
115 String relPath = datePath+ent.getId()+"."+mediaTypeEnt.getValue("name");
116 String fname = getStoragePath()+relPath;
117 if(! new File(fname).exists())
118 throw new MediaExc("error in MirMedia.produce(): " + relPath + " does not exist!");
121 public InputStream getMedia (Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
122 String publishPath = ent.getValue("publish_path");
123 String fname = getStoragePath()+publishPath;
124 File f = new File(fname);
126 throw new MediaExc("error in MirMedia.getMedia(): " + fname + " does not exist!");
128 FileInputStream inputStream;
130 inputStream = new FileInputStream(f);
132 catch (Throwable e) {
133 throw new MediaFailure("MediaHandlerGeneric.getMedia(): " + e.toString(), e);
139 public InputStream getIcon (Entity ent) throws MediaExc, MediaFailure {
143 public String getIconMimeType (Entity aMediaEntity, Entity aMediaType) throws MediaExc, MediaFailure {
144 ServletContext servletContext = MirPropertiesConfiguration.getContext();
145 String fileName = aMediaEntity.getId()+"."+aMediaType.getValue("name");
147 return servletContext.getMimeType(fileName);
150 public String getStoragePath()
152 return configuration.getString("Producer.Media.Path");
155 public String getIconStoragePath()
157 return configuration.getString("Producer.Image.IconPath");
160 public String getPublishHost()
162 return StringUtil.removeSlash(configuration.getString("Producer.Media.Host"));
165 public String getTinyIconName()
167 return configuration.getString("Producer.Icon.TinyText");
170 public String getBigIconName()
172 return configuration.getString("Producer.Icon.BigText");
175 public String getIconAltName()
177 return "Generic media";
180 public List getURL(Entity ent, Entity mediaTypeEnt)
182 List theList = new Vector();
187 public boolean isVideo()
192 public boolean isAudio()
197 public boolean isImage()
202 public String getDescr( Entity mediaType)
204 return mediaType.getValue("mime_type");