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.InputStream;
35 import mir.config.MirPropertiesConfiguration;
36 import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;
37 import mir.entity.Entity;
38 import mir.log.LoggerWrapper;
39 import mir.media.MediaExc;
40 import mir.media.MediaFailure;
41 import mir.media.MirMedia;
42 import mir.misc.FileUtil;
43 import mir.misc.StringUtil;
44 import mircoders.entity.EntityImages;
45 import freemarker.template.SimpleList;
48 * This class handles saving, fetching creating representations
49 * for all images. The image content is stored in the DB. The content is
50 * written out to a file at the ProducerImages level.
51 * Remember that Handlers for specific image types, Gif, Jpeg, etc..
53 * It implements the MirMedia interface.
55 * slowly starting to look better, a next step would be to have the
56 * representation stuff (WebdbImage) happen here.
59 * @see mir.media.MirMedia
61 * @version $Id: MediaHandlerImages.java,v 1.23 2003/04/30 00:37:27 zapata Exp $
65 public abstract class MediaHandlerImages implements MirMedia
67 protected static MirPropertiesConfiguration configuration;
68 protected static final String PNG = "PNG";
69 protected static final String JPEG = "JPEG";
71 protected LoggerWrapper logger;
75 configuration = MirPropertiesConfiguration.instance();
77 catch (PropertiesConfigExc e) {
78 throw new RuntimeException("Can't get configuration: " + e.getMessage());
82 abstract String getType();
84 public MediaHandlerImages() {
85 logger = new LoggerWrapper("Media.Images");
88 public InputStream getMedia(Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
89 InputStream inputStream;
92 inputStream = ((EntityImages)ent).getImage();
95 logger.error("MediaHandlerImages.getImage: " + e.toString());
97 throw new MediaFailure(e);
103 public void set(InputStream in, Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
106 ((EntityImages)ent).setImage(in, getType());
108 catch (Throwable e) {
109 logger.error("MediaHandlerImages.set: "+e.getMessage());
110 e.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
112 throw new MediaFailure(e);
116 public void produce(Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
117 String date = ent.getValue("date");
118 String datePath = StringUtil.webdbDate2path(date);
119 String ext = "."+mediaTypeEnt.getValue("name");
120 String filepath = datePath+ent.getId()+ext;
121 String iconFilePath = configuration.getString("Producer.StorageRoot")
122 +getIconStoragePath() + filepath;
123 String productionFilePath = getStoragePath() + File.separator + filepath;
126 if (ent.getValue("icon_data")!= null &&
127 ent.getValue("image_data")!= null) {
130 InputStream in = ((EntityImages)ent).getIcon();
131 FileUtil.write(iconFilePath, in);
132 in = ((EntityImages)ent).getImage();
133 FileUtil.write(productionFilePath, in);
134 ent.setValueForProperty("icon_path",getIconStoragePath()+filepath);
135 ent.setValueForProperty("publish_path",filepath);
138 catch (Throwable e) {
139 logger.error("MediaHandlerImages.produce: " + e.toString());
140 throw new MediaFailure("MediaHandlerImages.produce: " + e.toString(), e);
144 logger.error("MediaHandlerImages.produce: missing image or icon OID for: " + ent.getId());
146 throw new MediaExc("MediaHandlerImages.produce: missing image or icon OID for: " + ent.getId());
151 public InputStream getIcon(Entity ent) throws MediaExc, MediaFailure {
154 in = ((EntityImages)ent).getIcon();
156 catch (Throwable e) {
157 logger.error("MediaHandlerImages.getIcon: " + e.toString());
158 throw new MediaFailure(e);
164 public SimpleList getURL(Entity ent, Entity mediaTypeEnt) {
165 SimpleList theList = new SimpleList();
170 public String getStoragePath() {
171 return configuration.getString("Producer.Image.Path");
174 public String getIconStoragePath() {
175 return configuration.getString("Producer.Image.IconPath");
178 public String getPublishHost() {
179 return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
182 public String getTinyIconName() {
183 return configuration.getString("Producer.Icon.TinyImage");
186 public String getBigIconName() {
187 return configuration.getString("Producer.Icon.BigImage");
190 public String getIconAltName() {
194 public boolean isVideo() {
198 public boolean isAudio() {
202 public boolean isImage () {
206 public String getDescr(Entity mediaType) {