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;
34 import mir.config.MirPropertiesConfiguration;
35 import mir.entity.Entity;
36 import mir.log.LoggerWrapper;
37 import mir.media.MediaExc;
38 import mir.media.MediaFailure;
39 import mir.media.MediaHandler;
40 import mir.misc.FileUtil;
41 import mir.misc.StringUtil;
42 import mir.session.SessionExc;
43 import mir.session.UploadedFile;
44 import mircoders.entity.EntityImages;
47 * This class handles saving, fetching creating representations
48 * for all images. The image content is stored in the DB. The content is
49 * written out to a file at the ProducerImages level.
50 * Remember that Handlers for specific image types, Gif, Jpeg, etc..
52 * It implements the MirMediaHandler interface.
54 * slowly starting to look better, a next step would be to have the
55 * representation stuff (WebdbImage) happen here.
58 * @see mir.media.MediaHandler
60 * @version $Id: MediaHandlerImages.java,v 1.23.2.8 2005/03/26 11:26:26 zapata Exp $
64 public abstract class MediaHandlerImages extends AbstractMediaHandler implements MediaHandler {
65 protected static MirPropertiesConfiguration configuration = MirPropertiesConfiguration.instance();
66 protected static final String PNG = "PNG";
67 protected static final String JPEG = "JPEG";
69 protected LoggerWrapper logger;
71 abstract String getType();
73 public MediaHandlerImages() {
74 logger = new LoggerWrapper("Media.Images");
77 public InputStream getMedia(Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
79 return new ByteArrayInputStream(((EntityImages) ent).getImage());
82 logger.error("MediaHandlerImages.getImage: " + e.toString());
84 throw new MediaFailure(e);
88 public void store(UploadedFile anUploadedFile, Entity aMedia, Entity aMediaType) throws MediaExc, MediaFailure {
90 store(anUploadedFile.getInputStream(), aMedia, aMediaType);
92 catch (SessionExc e) {
93 throw new MediaFailure(e);
97 public void store(InputStream in, Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
99 ((EntityImages) ent).setImage(in, getType());
101 catch (Throwable e) {
102 logger.error("MediaHandlerImages.store", e);
104 throw new MediaFailure("A problem has occurred processing the media file", e);
108 public void store(File aFile, Entity aMedia, Entity aMediaType) throws MediaExc, MediaFailure {
110 store(new FileInputStream(aFile), aMedia, aMediaType);
112 catch (FileNotFoundException e) {
113 throw new MediaFailure(e);
117 public void produce(Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
118 String date = ent.getFieldValue("date");
119 String datePath = StringUtil.webdbDate2path(date);
120 String ext = "."+mediaTypeEnt.getFieldValue("name");
121 String filepath = datePath+ent.getId()+ext;
122 String iconFilePath = configuration.getString("Producer.StorageRoot")
123 +getIconStoragePath() + filepath;
124 String productionFilePath = getStoragePath() + File.separator + filepath;
127 if (ent.getFieldValue("icon_data")!= null &&
128 ent.getFieldValue("image_data")!= null) {
131 InputStream in = new ByteArrayInputStream(((EntityImages) ent).getIcon());
132 FileUtil.write(iconFilePath, in);
134 in = new ByteArrayInputStream(((EntityImages) ent).getImage());
135 FileUtil.write(productionFilePath, in);
136 ent.setFieldValue("icon_path",getIconStoragePath()+filepath);
137 ent.setFieldValue("publish_path",filepath);
140 catch (Throwable e) {
141 logger.error("MediaHandlerImages.produce: " + e.toString());
142 throw new MediaFailure("MediaHandlerImages.produce: " + e.toString(), e);
146 logger.error("MediaHandlerImages.produce: missing image or icon OID for: " + ent.getId());
148 throw new MediaExc("MediaHandlerImages.produce: missing image or icon OID for: " + ent.getId());
152 public InputStream getThumbnail(Entity ent) throws MediaExc, MediaFailure {
154 return new ByteArrayInputStream(((EntityImages) ent).getIcon());
156 catch (Throwable e) {
157 logger.error("MediaHandlerImages.getIcon: " + e.toString());
158 throw new MediaFailure(e);
162 public String getStoragePath() {
163 return configuration.getString("Producer.Image.Path");
166 public String getIconStoragePath() {
167 return configuration.getString("Producer.Image.IconPath");
170 public String getPublishHost() {
171 return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
174 public String getTinyIconName() {
175 return configuration.getString("Producer.Icon.TinyImage");
178 public String getBigIconName() {
179 return configuration.getString("Producer.Icon.BigImage");
182 public String getIconAltName() {
186 public String getDescr(Entity mediaType) {