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.media.image.ImageProcessor;
43 import mir.media.image.JAIImageProcessor;
44 import mir.misc.StringUtil;
48 * Image handler that stores images outside of the database. Will be replaced by the new
49 * media handling system.
54 public class MediaHandlerImagesExtern extends MediaHandlerGeneric
56 private int maxIconSize;
57 private float minDescaleRatio;
58 private int minDescaleReduction;
60 public MediaHandlerImagesExtern() {
62 logger = new LoggerWrapper("Media.Images.Extern");
64 maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
65 minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
66 minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
69 public void produce(Entity anImageEntity, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
71 String date = anImageEntity.getFieldValue("date");
72 String datePath = StringUtil.webdbDate2path(date);
73 String ext = "." + mediaTypeEnt.getFieldValue("name");
74 String fileBasePath = datePath + anImageEntity.getId();
75 String filePath = fileBasePath + ext;
76 String iconPath = getIconStoragePath() + fileBasePath + ".jpg";
77 String iconStoragePath = configuration.getString("Producer.StorageRoot") + iconPath;
78 String imageFilePath = getStoragePath() + File.separator + filePath;
80 File imageFile = new File(imageFilePath);
81 File iconFile = new File(iconStoragePath);
83 if (!imageFile.exists()) {
84 throw new MediaExc("error in MediaHandlerImagesExtern.produce(): " + filePath + " does not exist!");
87 ImageProcessor processor = new JAIImageProcessor(imageFile);
89 processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
90 File dir = new File(iconFile.getParent());
91 if (dir!=null && !dir.exists()){
94 processor.writeScaledData(iconFile, "JPEG");
96 anImageEntity.setFieldValue("img_height", new Integer(processor.getHeight()).toString());
97 anImageEntity.setFieldValue("img_width", new Integer(processor.getWidth()).toString());
99 anImageEntity.setFieldValue("icon_height", new Integer(processor.getScaledHeight()).toString());
100 anImageEntity.setFieldValue("icon_width", new Integer(processor.getScaledWidth()).toString());
102 anImageEntity.setFieldValue("icon_path", iconPath);
103 anImageEntity.setFieldValue("publish_path", filePath);
105 anImageEntity.update();
111 logger.error("MediaHandlerImagesExtern.produce: " + t.toString());
112 t.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
113 throw new MediaFailure(t.getMessage(), t);
119 public InputStream getThumbnail(Entity anImageEntity) throws MediaExc, MediaFailure {
121 File file = new File(configuration.getString("Producer.StorageRoot") + anImageEntity.getFieldValue("icon_path"));
123 if (!file.exists()) {
125 file = new File(configuration.getHome(), "../img/photo_big.gif");
128 return new BufferedInputStream(
129 new FileInputStream(file),8192);
131 catch (Throwable t) {
136 public String getIconMimeType(Entity anImageEntity, Entity aMediaType) {
140 public String getStoragePath()
142 return configuration.getString("Producer.Image.Path");
145 public String getIconStoragePath()
147 return configuration.getString("Producer.Image.IconPath");
150 public String getPublishHost()
152 return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
155 public String getTinyIconName()
157 return configuration.getString("Producer.Icon.TinyImage");
160 public String getBigIconName()
162 return configuration.getString("Producer.Icon.BigImage");
165 public String getIconAltName()
170 public String getDescr(Entity mediaType)