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.BufferedInputStream;
35 import java.io.FileInputStream;
36 import java.io.InputStream;
38 import mir.entity.Entity;
39 import mir.log.LoggerWrapper;
40 import mir.media.MediaExc;
41 import mir.media.MediaFailure;
42 import mir.misc.StringUtil;
46 * Image handler that stores images outside of the database. Will be replaced by the new
47 * media handling system.
52 public class MediaHandlerImagesExtern extends MediaHandlerGeneric
54 private int maxIconSize;
55 private float minDescaleRatio;
56 private int minDescaleReduction;
58 public MediaHandlerImagesExtern() {
60 logger = new LoggerWrapper("Media.Images.Extern");
62 maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
63 minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
64 minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
67 public void produce(Entity anImageEntity, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
69 String date = anImageEntity.getFieldValue("date");
70 String datePath = StringUtil.webdbDate2path(date);
71 String ext = "." + mediaTypeEnt.getFieldValue("name");
72 String fileBasePath = datePath + anImageEntity.getId();
73 String filePath = fileBasePath + ext;
74 String iconPath = getIconStoragePath() + fileBasePath + ".jpg";
75 String iconStoragePath = configuration.getString("Producer.StorageRoot") + iconPath;
76 String imageFilePath = getStoragePath() + File.separator + filePath;
78 File imageFile = new File(imageFilePath);
79 File iconFile = new File(iconStoragePath);
81 if (!imageFile.exists()) {
82 throw new MediaExc("error in MediaHandlerImagesExtern.produce(): " + filePath + " does not exist!");
85 ImageProcessor processor = new ImageProcessor(imageFile);
87 processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
88 File dir = new File(iconFile.getParent());
89 if (dir!=null && !dir.exists()){
92 processor.writeScaledData(iconFile, "JPEG");
94 anImageEntity.setFieldValue("img_height", new Integer(processor.getHeight()).toString());
95 anImageEntity.setFieldValue("img_width", new Integer(processor.getWidth()).toString());
97 anImageEntity.setFieldValue("icon_height", new Integer(processor.getScaledHeight()).toString());
98 anImageEntity.setFieldValue("icon_width", new Integer(processor.getScaledWidth()).toString());
100 anImageEntity.setFieldValue("icon_path", iconPath);
101 anImageEntity.setFieldValue("publish_path", filePath);
103 anImageEntity.update();
109 logger.error("MediaHandlerImagesExtern.produce: " + t.toString());
110 t.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
111 throw new MediaFailure(t.getMessage(), t);
117 public InputStream getThumbnail(Entity anImageEntity) throws MediaExc, MediaFailure {
119 File file = new File(configuration.getString("Producer.StorageRoot") + anImageEntity.getFieldValue("icon_path"));
121 if (!file.exists()) {
123 file = new File(configuration.getHome(), "../img/photo_big.gif");
126 return new BufferedInputStream(
127 new FileInputStream(file),8192);
129 catch (Throwable t) {
134 public String getIconMimeType(Entity anImageEntity, Entity aMediaType) {
138 public String getStoragePath()
140 return configuration.getString("Producer.Image.Path");
143 public String getIconStoragePath()
145 return configuration.getString("Producer.Image.IconPath");
148 public String getPublishHost()
150 return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
153 public String getTinyIconName()
155 return configuration.getString("Producer.Icon.TinyImage");
158 public String getBigIconName()
160 return configuration.getString("Producer.Icon.BigImage");
163 public String getIconAltName()
168 public String getDescr(Entity mediaType)