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.
33 package mircoders.media;
38 import java.lang.reflect.*;
40 import freemarker.template.SimpleList;
45 import mir.storage.StorageObjectException;
46 import mircoders.entity.EntityImages;
49 * This class handles saving, fetching creating representations
50 * for all images. The image content is stored in the DB. The content is
51 * written out to a file at the ProducerImages level.
52 * Remember that Handlers for specific image types, Gif, Jpeg, etc..
54 * It implements the MirMedia interface.
56 * slowly starting to look better, a next step would be to have the
57 * representation stuff (WebdbImage) happen here.
60 * @see mir.media.MirMedia
62 * @version $Id: MediaHandlerImages.java,v 1.15 2002/12/17 19:20:31 zapata Exp $
66 public abstract class MediaHandlerImages implements MirMedia
68 static Logfile theLog = Logfile.getInstance(MirConfig.getProp("Home")+
70 static final String PNG = "PNG";
71 static final String JPEG = "JPEG";
73 abstract String getType();
75 public InputStream getMedia(Entity ent, Entity mediaTypeEnt)
76 throws MirMediaException
80 in = ((EntityImages)ent).getImage();
81 } catch ( StorageObjectException e) {
82 theLog.printDebugInfo("MediaHandlerImages.getImage: "+e.toString());
83 throw new MirMediaException(e.toString());
89 public void set(InputStream in, Entity ent, Entity mediaTypeEnt)
90 throws MirMediaException {
93 ((EntityImages)ent).setImage(in, getType());
95 catch ( StorageObjectException e) {
96 e.printStackTrace(System.out);
97 theLog.printError("MediaHandlerImages.set: "+e.getMessage());
98 throw new MirMediaException(e.getMessage());
102 public void produce(Entity ent, Entity mediaTypeEnt) throws MirMediaException
104 String date = ent.getValue("date");
105 String datePath = StringUtil.webdbDate2path(date);
106 String ext = "."+mediaTypeEnt.getValue("name");
107 String filepath = datePath+ent.getId()+ext;
108 String iconFilePath = MirConfig.getProp("Producer.StorageRoot")
109 +getIconStoragePath() + filepath;
110 String productionFilePath = getStoragePath() + File.separator + filepath;
113 if (ent.getValue("icon_data")!= null &&
114 ent.getValue("image_data")!= null) {
117 InputStream in = ((EntityImages)ent).getIcon();
118 FileUtil.write(iconFilePath, in);
119 in = ((EntityImages)ent).getImage();
120 FileUtil.write(productionFilePath, in);
121 ent.setValueForProperty("icon_path",getIconStoragePath()+filepath);
122 ent.setValueForProperty("publish_path",filepath);
124 } catch ( Exception e) {
125 String msg = "MediaHandlerImages.produce - Error: " + e.toString();
126 theLog.printError(msg);
127 throw new MirMediaException(msg);
130 String msg="MediaHandlerImages.produce - missing image or icon OID for: "+
132 theLog.printError(msg);
133 throw new MirMediaException(msg);
138 public InputStream getIcon(Entity ent) throws MirMediaException
142 in = ((EntityImages)ent).getIcon();
143 } catch ( StorageObjectException e) {
144 theLog.printDebugInfo("MediaHandlerImages.getIcon: "+e.toString());
145 throw new MirMediaException(e.toString());
151 public SimpleList getURL(Entity ent, Entity mediaTypeEnt)
153 SimpleList theList = new SimpleList();
158 public String getStoragePath()
160 return MirConfig.getProp("Producer.Image.Path");
163 public String getIconStoragePath()
165 return MirConfig.getProp("Producer.Image.IconPath");
168 public String getPublishHost()
170 return StringUtil.removeSlash(MirConfig.getProp("Producer.Image.Host"));
173 public String getTinyIconName()
175 return MirConfig.getProp("Producer.Icon.TinyImage");
178 public String getBigIconName()
180 return MirConfig.getProp("Producer.Icon.BigImage");
183 public String getIconAltName()
188 public boolean isVideo()
193 public boolean isAudio()
198 public boolean isImage ()
203 public String getDescr(Entity mediaType)