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 mir.entity.Entity;
34 import mir.log.LoggerWrapper;
35 import mir.media.MediaExc;
36 import mir.media.MediaFailure;
37 import mir.media.image.ImageMagickImageProcessor;
38 import mir.media.image.ImageProcessor;
39 import mir.misc.StringUtil;
41 import java.io.BufferedInputStream;
43 import java.io.FileInputStream;
44 import java.io.IOException;
45 import java.io.InputStream;
48 * Image handler that stores images outside of the database.
54 public class MediaHandlerImagesExtern extends MediaHandlerGeneric {
55 private int maxIconSize;
56 private float minDescaleRatio;
57 private int minDescaleReduction;
59 public MediaHandlerImagesExtern() {
61 logger = new LoggerWrapper("Media.Images.Extern");
63 maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
64 minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
65 minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
68 public void produce(Entity anImageEntity, Entity aMediaTypeEntity) throws MediaExc, MediaFailure {
69 String date = anImageEntity.getFieldValue("date");
70 String datePath = StringUtil.webdbDate2path(date);
71 String ext = "." + aMediaTypeEntity.getFieldValue("name");
72 String fileBasePath = datePath + anImageEntity.getId();
73 String filePath = fileBasePath + ext;
74 String iconPath = getBaseIconStoragePath() + fileBasePath + ".jpg";
75 String iconStoragePath = configuration.getString("Producer.StorageRoot") + iconPath;
76 String imageFilePath = getBaseStoragePath() + 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.execute(): " + filePath + " does not exist!");
85 ImageProcessor processor;
87 processor = new ImageMagickImageProcessor(imageFile);
89 catch (IOException e) {
90 throw new MediaFailure(e);
93 processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
94 File dir = new File(iconFile.getParent());
95 if (dir!=null && !dir.exists()){
99 processor.writeScaledData(iconFile, "JPEG");
101 catch (IOException e) {
102 throw new MediaFailure(e);
105 anImageEntity.setFieldValue("img_height",
106 Integer.toString(processor.getHeight()));
107 anImageEntity.setFieldValue("img_width",
108 Integer.toString(processor.getWidth()));
110 anImageEntity.setFieldValue("icon_height",
111 Integer.toString(processor.getScaledHeight()));
112 anImageEntity.setFieldValue("icon_width",
113 Integer.toString(processor.getScaledWidth()));
116 anImageEntity.setFieldValue("icon_path", iconPath);
117 anImageEntity.setFieldValue("publish_path", filePath);
119 anImageEntity.update();
125 public InputStream getThumbnail(Entity anImageEntity) throws MediaExc, MediaFailure {
127 File file = new File(configuration.getString("Producer.StorageRoot") + anImageEntity.getFieldValue("icon_path"));
129 if (!file.exists()) {
131 file = new File(configuration.getHome(), "../img/photo_big.gif");
134 return new BufferedInputStream(
135 new FileInputStream(file),8192);
137 catch (Throwable t) {
142 public String getIconMimeType(Entity anImageEntity, Entity aMediaType) {
146 public String getBaseStoragePath()
148 return configuration.getString("Producer.Image.Path");
151 public String getBaseIconStoragePath()
153 return configuration.getString("Producer.Image.IconPath");
156 public String getPublishHost()
158 return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
161 public String getTinyIconName()
163 return configuration.getString("Producer.Icon.TinyImage");
166 public String getBigIconName()
168 return configuration.getString("Producer.Icon.BigImage");
171 public String getIconAltName()
176 public String getDescr(Entity mediaType)