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.FileOutputStream;
37 import java.io.InputStream;
38 import java.io.OutputStream;
40 import mir.util.StreamCopier;
41 import mir.entity.Entity;
42 import mir.log.LoggerWrapper;
43 import mir.media.MediaExc;
44 import mir.media.MediaFailure;
45 import mir.media.image.ImageProcessor;
46 import mir.media.image.ImageMagickImageProcessor;
47 import mir.misc.StringUtil;
50 * Image handler that stores images outside of the database.
56 public class MediaHandlerImagesExtern extends MediaHandlerGeneric
59 private int maxIconSize;
60 private float minDescaleRatio;
61 private int minDescaleReduction;
62 private boolean scaleImages;
63 private String imagesOriginalDir;
64 private String imagesOriginalDirRelPath;
65 private String imageOriginalFilePath;
66 private String imageOriginalRelPath;
68 public MediaHandlerImagesExtern() {
69 logger = new LoggerWrapper("Media.Images.Extern");
70 maxSize = configuration.getInt("Producer.Image.MaxSize");
71 maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
72 minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
73 minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
74 scaleImages = configuration.getBoolean("Producer.Image.ScaleImages");
75 imagesOriginalDir = configuration.getString("Producer.ImagesOriginalDir.Path");
76 imagesOriginalDirRelPath = configuration.getString("Producer.ImagesOriginalDir.RelPath");
79 public void produce(Entity anImageEntity, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
81 String date = anImageEntity.getFieldValue("date");
82 String datePath = StringUtil.webdbDate2path(date);
83 String ext = "." + mediaTypeEnt.getFieldValue("name");
84 String fileBasePath = datePath + anImageEntity.getId();
85 String filePath = fileBasePath + ext;
86 String iconPath = getBaseIconStoragePath() + fileBasePath + ".jpg";
87 String iconStoragePath = configuration.getString("Producer.StorageRoot") + iconPath;
88 String imageFilePath = getBaseStoragePath() + File.separator + filePath;
90 // yoss: get a file path where the the original image should be saved if image resizing is turned on
91 imageOriginalFilePath = imagesOriginalDir + filePath;
92 imageOriginalRelPath = imagesOriginalDirRelPath + filePath;
94 // yoss:make a new File object for the originalFile
95 File originalFile = new File(imageOriginalFilePath);
96 logger.info("imageOriginalFilePath:" + imageOriginalFilePath);
97 File imageFile = new File(imageFilePath);
98 logger.info("******************************************");
99 logger.info("imageFile exists: " + imageFile.exists());
100 logger.info("imageFile: " + imageFile.getAbsolutePath());
101 File iconFile = new File(iconStoragePath);
102 logger.info("iconStoragePath:"+ iconStoragePath);
105 if (!imageFile.exists()) {
106 throw new MediaExc("error in MediaHandlerImagesExtern.execute(): " + filePath + " does not exist!");
109 ImageProcessor processor = new ImageMagickImageProcessor(imageFile);
111 processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
112 File dir = new File(iconFile.getParent());
113 if (dir!=null && !dir.exists()){
116 processor.writeScaledData(iconFile, "JPEG");
118 // yoss: if the config is set so that images should be scaled, make the resized file.
120 logger.info("entered scaleImages");
121 ImageProcessor originalProcessor = new ImageMagickImageProcessor(imageFile);
122 originalProcessor.descaleImage(maxSize, minDescaleRatio, minDescaleReduction);
123 File originalDir = new File(originalFile.getParent());
124 if(originalDir!=null && !originalDir.exists()) {
125 originalDir.mkdirs();
127 if(!originalFile.exists()) {
128 logger.debug("the original image file doesn't exist, copying to originalFile");
129 StreamCopier.copyFile(imageFile, originalFile);
131 // yoss: don't write the scaled data again if it's the same size as
132 // the file that's there right now. Image producer runs are 4 times faster this way.
133 logger.info("about to write scaled data, byte length: " + originalProcessor.getScaledFileSize());
134 if (originalProcessor.getScaledFileSize() != imageFile.length()) {
135 originalProcessor.writeScaledData(imageFile, "JPEG");
137 anImageEntity.setFieldValue("original_file_path", imageOriginalRelPath);
138 anImageEntity.setFieldValue("img_height", new Integer(originalProcessor.getScaledHeight()).toString());
139 anImageEntity.setFieldValue("img_width", new Integer(originalProcessor.getScaledWidth()).toString());
141 originalProcessor.cleanup();
144 anImageEntity.setFieldValue("img_height", new Integer(processor.getHeight()).toString());
145 anImageEntity.setFieldValue("img_width", new Integer(processor.getWidth()).toString());
148 anImageEntity.setFieldValue("icon_height", new Integer(processor.getScaledHeight()).toString());
149 anImageEntity.setFieldValue("icon_width", new Integer(processor.getScaledWidth()).toString());
153 anImageEntity.setFieldValue("icon_path", iconPath);
154 anImageEntity.setFieldValue("publish_path", filePath);
156 anImageEntity.update();
161 logger.error("MediaHandlerImagesExtern.execute: " + t.getMessage(), t);
162 throw new MediaFailure(t.getMessage(), t);
168 public InputStream getThumbnail(Entity anImageEntity) throws MediaExc, MediaFailure {
170 File file = new File(configuration.getString("Producer.StorageRoot") + anImageEntity.getFieldValue("icon_path"));
172 if (!file.exists()) {
174 file = new File(configuration.getHome(), "../img/photo_big.gif");
177 return new BufferedInputStream(
178 new FileInputStream(file),8192);
180 catch (Throwable t) {
185 public String getIconMimeType(Entity anImageEntity, Entity aMediaType) {
189 public String getBaseStoragePath()
191 return configuration.getString("Producer.Image.Path");
194 public String getBaseIconStoragePath()
196 return configuration.getString("Producer.Image.IconPath");
199 public String getPublishHost()
201 return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
204 public String getTinyIconName()
206 return configuration.getString("Producer.Icon.TinyImage");
209 public String getBigIconName()
211 return configuration.getString("Producer.Icon.BigImage");
214 public String getIconAltName()
219 public String getDescr(Entity mediaType)