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;
34 import java.util.List;
35 import java.util.Vector;
37 import mir.config.MirPropertiesConfiguration;
38 import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;
39 import mir.entity.Entity;
40 import mir.log.LoggerWrapper;
41 import mir.media.MediaExc;
42 import mir.media.MediaFailure;
43 import mir.media.MirMedia;
44 import mir.misc.FileUtil;
45 import mir.misc.StringUtil;
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 1.23.2.2 2003/10/23 14:55:26 rk Exp $
66 public abstract class MediaHandlerImages implements MirMedia
68 protected static MirPropertiesConfiguration configuration;
69 protected static final String PNG = "PNG";
70 protected static final String JPEG = "JPEG";
72 protected LoggerWrapper logger;
76 configuration = MirPropertiesConfiguration.instance();
78 catch (PropertiesConfigExc e) {
79 throw new RuntimeException("Can't get configuration: " + e.getMessage());
83 abstract String getType();
85 public MediaHandlerImages() {
86 logger = new LoggerWrapper("Media.Images");
89 public InputStream getMedia(Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
90 InputStream inputStream;
93 inputStream = ((EntityImages)ent).getImage();
96 logger.error("MediaHandlerImages.getImage: " + e.toString());
98 throw new MediaFailure(e);
104 public void set(InputStream in, Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
107 ((EntityImages)ent).setImage(in, getType());
109 catch (Throwable e) {
110 logger.error("MediaHandlerImages.set: "+e.getMessage());
111 e.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
113 throw new MediaFailure(e);
117 public void produce(Entity ent, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
118 String date = ent.getValue("date");
119 String datePath = StringUtil.webdbDate2path(date);
120 String ext = "."+mediaTypeEnt.getValue("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.getValue("icon_data")!= null &&
128 ent.getValue("image_data")!= null) {
131 InputStream in = ((EntityImages)ent).getIcon();
132 FileUtil.write(iconFilePath, in);
133 in = ((EntityImages)ent).getImage();
134 FileUtil.write(productionFilePath, in);
135 ent.setValueForProperty("icon_path",getIconStoragePath()+filepath);
136 ent.setValueForProperty("publish_path",filepath);
139 catch (Throwable e) {
140 logger.error("MediaHandlerImages.produce: " + e.toString());
141 throw new MediaFailure("MediaHandlerImages.produce: " + e.toString(), e);
145 logger.error("MediaHandlerImages.produce: missing image or icon OID for: " + ent.getId());
147 throw new MediaExc("MediaHandlerImages.produce: missing image or icon OID for: " + ent.getId());
152 public InputStream getIcon(Entity ent) throws MediaExc, MediaFailure {
155 in = ((EntityImages)ent).getIcon();
157 catch (Throwable e) {
158 logger.error("MediaHandlerImages.getIcon: " + e.toString());
159 throw new MediaFailure(e);
165 public List getURL(Entity ent, Entity mediaTypeEnt) {
166 List theList = new Vector();
171 public String getStoragePath() {
172 return configuration.getString("Producer.Image.Path");
175 public String getIconStoragePath() {
176 return configuration.getString("Producer.Image.IconPath");
179 public String getPublishHost() {
180 return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
183 public String getTinyIconName() {
184 return configuration.getString("Producer.Icon.TinyImage");
187 public String getBigIconName() {
188 return configuration.getString("Producer.Icon.BigImage");
191 public String getIconAltName() {
195 public boolean isVideo() {
199 public boolean isAudio() {
203 public boolean isImage () {
207 public String getDescr(Entity mediaType) {