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.ImageMagickImageProcessor;
43 import mir.media.image.ImageProcessor;
44 import mir.misc.StringUtil;
45 import mir.util.FileRoutines;
48 * Image handler that stores images outside of the database.
54 public class MediaHandlerImagesExtern extends MediaHandlerGeneric
57 private int maxIconSize;
58 private float minDescaleRatio;
59 private int minDescaleReduction;
60 private boolean scaleImages;
62 public MediaHandlerImagesExtern() {
63 logger = new LoggerWrapper("Media.Images.Extern");
64 maxSize = configuration.getInt("Producer.Image.MaxSize");
65 maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
66 minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
67 minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
68 scaleImages = configuration.getBoolean("Producer.Image.ScaleImages");
71 public void produce(Entity anImageEntity, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
72 String imagesOriginalDir = configuration.getString("Producer.ImagesOriginalDir.Path"); ;
73 String imagesOriginalDirRelPath = configuration.getString("Producer.ImagesOriginalDir.RelPath");;
74 String imageOriginalFilePath;
75 String imageOriginalRelPath;
77 String date = anImageEntity.getFieldValue("date");
78 String datePath = StringUtil.webdbDate2path(date);
79 String ext = "." + mediaTypeEnt.getFieldValue("name");
80 String fileBasePath = datePath + anImageEntity.getId();
81 String filePath = fileBasePath + ext;
82 String iconPath = getBaseIconStoragePath() + fileBasePath + ".jpg";
83 String iconStoragePath = configuration.getString("Producer.StorageRoot") + iconPath;
84 String imageFilePath = getBaseStoragePath() + File.separator + filePath;
86 // yoss: get a file path where the the original image should be saved if image resizing is turned on
87 imageOriginalFilePath = imagesOriginalDir + filePath;
88 imageOriginalRelPath = imagesOriginalDirRelPath + filePath;
90 // yoss:make a new File object for the originalFile
91 File originalFile = new File(imageOriginalFilePath);
92 logger.info("imageOriginalFilePath:" + imageOriginalFilePath);
93 File imageFile = new File(imageFilePath);
94 logger.info("******************************************");
95 logger.info("imageFile exists: " + imageFile.exists());
96 logger.info("imageFile: " + imageFile.getAbsolutePath());
97 File iconFile = new File(iconStoragePath);
98 logger.info("iconStoragePath:"+ iconStoragePath);
101 if (!imageFile.exists()) {
102 throw new MediaExc("error in MediaHandlerImagesExtern.execute(): "
103 + filePath + " does not exist!");
105 ImageProcessor processor = new ImageMagickImageProcessor(imageFile);
106 processor.descaleImage(maxIconSize, minDescaleRatio,
107 minDescaleReduction);
108 File dir = new File(iconFile.getParent());
109 if (dir != null && !dir.exists()) {
112 processor.writeScaledData(iconFile, "JPEG");
113 reportChange(iconStoragePath);
114 reportChange(imageFilePath);
116 // yoss: if the config is set so that images should be scaled, make the
119 logger.info("entered scaleImages");
120 ImageProcessor originalProcessor = new ImageMagickImageProcessor(
122 originalProcessor.descaleImage(maxSize, minDescaleRatio,
123 minDescaleReduction);
124 File originalDir = new File(originalFile.getParent());
125 if (originalDir != null && !originalDir.exists()) {
126 originalDir.mkdirs();
128 if (!originalFile.exists()) {
129 logger.debug("the original image file doesn't exist, copying to originalFile");
130 FileRoutines.copy(imageFile, originalFile);
131 reportChange(originalFile.getAbsolutePath());
133 // yoss: don't write the scaled data again if it's the same size as
134 // the file that's there right now. Image producer runs are 4 times
136 logger.info("about to write scaled data, byte length: "
137 + originalProcessor.getScaledFileSize());
138 if (originalProcessor.getScaledFileSize() != imageFile.length()) {
139 originalProcessor.writeScaledData(imageFile, "JPEG");
141 anImageEntity.setFieldValue("original_file_path",
142 imageOriginalRelPath);
143 anImageEntity.setFieldValue("img_height", Integer
144 .toString(originalProcessor.getScaledHeight()));
145 anImageEntity.setFieldValue("img_width", Integer
146 .toString(originalProcessor.getScaledWidth()));
148 originalProcessor.cleanup();
151 anImageEntity.setFieldValue("img_height", new Integer(processor
152 .getHeight()).toString());
153 anImageEntity.setFieldValue("img_width", new Integer(processor
154 .getWidth()).toString());
157 anImageEntity.setFieldValue("icon_height", new Integer(processor
158 .getScaledHeight()).toString());
159 anImageEntity.setFieldValue("icon_width", new Integer(processor
160 .getScaledWidth()).toString());
164 anImageEntity.setFieldValue("icon_path", iconPath);
165 anImageEntity.setFieldValue("publish_path", filePath);
167 anImageEntity.update();
172 logger.error("MediaHandlerImagesExtern.execute: " + t.getMessage(), t);
173 throw new MediaFailure(t.getMessage(), t);
178 public InputStream getThumbnail(Entity anImageEntity) throws MediaExc, MediaFailure {
180 File file = new File(configuration.getString("Producer.StorageRoot") + anImageEntity.getFieldValue("icon_path"));
182 if (!file.exists()) {
184 file = new File(configuration.getHome(), "../img/photo_big.gif");
187 return new BufferedInputStream(
188 new FileInputStream(file),8192);
190 catch (Throwable t) {
195 public String getIconMimeType(Entity anImageEntity, Entity aMediaType) {
199 public String getBaseStoragePath()
201 return configuration.getString("Producer.Image.Path");
204 public String getBaseIconStoragePath()
206 return configuration.getString("Producer.Image.IconPath");
209 public String getPublishHost()
211 return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
214 public String getTinyIconName()
216 return configuration.getString("Producer.Icon.TinyImage");
219 public String getBigIconName()
221 return configuration.getString("Producer.Icon.BigImage");
224 public String getIconAltName()
229 public String getDescr(Entity mediaType)