--- /dev/null
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+package mircoders.media;
+
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import mir.entity.Entity;
+import mir.log.LoggerWrapper;
+import mir.media.MediaExc;
+import mir.media.MediaFailure;
+import mir.media.image.ImageMagickImageProcessor;
+import mir.media.image.ImageProcessor;
+import mir.misc.StringUtil;
+import mir.util.FileRoutines;
+
+/**
+ * Image handler that stores images outside of the database.
+ *
+ * @author Zapata
+ * @version 1.0
+ */
+
+public class MediaHandlerImagesExternScaling extends MediaHandlerGeneric
+{
+ private int maxSize;
+ private int maxIconSize;
+ private float minDescaleRatio;
+ private int minDescaleReduction;
+ public MediaHandlerImagesExternScaling() {
+ logger = new LoggerWrapper("Media.Images.Extern");
+ maxSize = configuration.getInt("Producer.Image.MaxSize");
+ maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
+ minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
+ minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
+ }
+
+
+
+ public void produce(Entity anImageEntity, Entity mediaTypeEnt) throws MediaExc, MediaFailure {
+ try {
+ String date = anImageEntity.getFieldValue("date");
+ String datePath = StringUtil.webdbDate2path(date);
+ String ext = "." + mediaTypeEnt.getFieldValue("name");
+ String fileBasePath = datePath + anImageEntity.getId();
+ String filePath = fileBasePath + ext;
+
+ String imageFilePath = getBaseStoragePath() + File.separator + filePath;
+ File imageFile = new File(imageFilePath);
+
+ if (!imageFile.exists()) {
+ throw new MediaExc("error in MediaHandlerImagesExtern.execute(): "
+ + filePath + " does not exist!");
+ } else {
+ ImageProcessor processor = new ImageMagickImageProcessor(imageFile);
+ String iconPath = getBaseIconStoragePath() + fileBasePath + ".jpg";
+ String iconStoragePath = doIconScaling(processor, iconPath);
+ anImageEntity.setFieldValue("icon_height", new Integer(processor.getScaledHeight()).toString());
+ anImageEntity.setFieldValue("icon_width", new Integer(processor.getScaledWidth()).toString());
+ anImageEntity.setFieldValue("icon_path", iconPath);
+
+ String imageOriginalRelPath = doImageScaling(filePath, imageFile, processor);
+ anImageEntity.setFieldValue("original_file_path", imageOriginalRelPath);
+ anImageEntity.setFieldValue("img_height", Integer.toString(processor.getScaledHeight()));
+ anImageEntity.setFieldValue("img_width", Integer.toString(processor.getScaledWidth()));
+
+ processor.cleanup();
+ anImageEntity.setFieldValue("publish_path", filePath);
+ anImageEntity.update();
+ reportChange(iconStoragePath);
+ reportChange(imageFilePath);
+ }
+ }
+ catch(Throwable t) {
+ logger.error("MediaHandlerImagesExtern.execute: " + t.getMessage(), t);
+ throw new MediaFailure(t.getMessage(), t);
+ }
+ }
+
+ /**
+ * Scale an icon image and write it to the file system.
+ * @param processor
+ * @param iconPath
+ * @return
+ * @throws MediaExc
+ */
+ private String doIconScaling(ImageProcessor processor, String iconPath) throws MediaExc {
+ String iconStoragePath = configuration.getString("Producer.StorageRoot") + iconPath;
+ File iconFile = new File(iconStoragePath);
+ processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
+ File dir = new File(iconFile.getParent());
+ if (dir != null && !dir.exists()) {
+ dir.mkdirs();
+ }
+ processor.writeScaledData(iconFile, "JPEG");
+ return iconStoragePath;
+ }
+
+ /**
+ * Make the resized file.
+ * @param filePath
+ * @param imageFile
+ * @param processor
+ * @return
+ * @throws MediaExc
+ * @throws IOException
+ */
+ private String doImageScaling(String filePath, File imageFile, ImageProcessor processor) throws MediaExc, IOException {
+ // get a file path where the the original image should be saved if image resizing is turned on
+ String imagesOriginalDir = configuration.getString("Producer.ImagesOriginalDir.Path");
+ String imagesOriginalDirRelPath = configuration.getString("Producer.ImagesOriginalDir.RelPath");
+ String imageOriginalFilePath = imagesOriginalDir + filePath;
+ String imageOriginalRelPath = imagesOriginalDirRelPath + filePath;
+ File originalFile = new File(imageOriginalFilePath);
+ processor.descaleImage(maxSize, minDescaleRatio, minDescaleReduction);
+ File originalDir = new File(originalFile.getParent());
+ if (originalDir != null && !originalDir.exists()) {
+ originalDir.mkdirs();
+ }
+ if (!originalFile.exists()) {
+ FileRoutines.copy(imageFile, originalFile);
+ reportChange(originalFile.getAbsolutePath());
+ }
+ // yoss: don't write the scaled data again if it's the same size as
+ // the file that's there right now. Image producer runs are 4 times
+ // faster this way.
+ if (processor.getScaledFileSize() != imageFile.length()) {
+ processor.writeScaledData(imageFile, "JPEG");
+ }
+ return imageOriginalRelPath;
+ }
+
+/** {@inheritDoc} */
+ public InputStream getThumbnail(Entity anImageEntity) throws MediaExc, MediaFailure {
+ try {
+ File file = new File(configuration.getString("Producer.StorageRoot") + anImageEntity.getFieldValue("icon_path"));
+
+ if (!file.exists()) {
+ // hackish
+ file = new File(configuration.getHome(), "../img/photo_big.gif");
+ }
+
+ return new BufferedInputStream(
+ new FileInputStream(file),8192);
+ }
+ catch (Throwable t) {
+ return null;
+ }
+ }
+
+ public String getIconMimeType(Entity anImageEntity, Entity aMediaType) {
+ return "image/jpeg";
+ }
+
+ public String getBaseStoragePath()
+ {
+ return configuration.getString("Producer.Image.Path");
+ }
+
+ public String getBaseIconStoragePath()
+ {
+ return configuration.getString("Producer.Image.IconPath");
+ }
+
+ public String getPublishHost()
+ {
+ return StringUtil.removeSlash(configuration.getString("Producer.Image.Host"));
+ }
+
+ public String getTinyIconName()
+ {
+ return configuration.getString("Producer.Icon.TinyImage");
+ }
+
+ public String getBigIconName()
+ {
+ return configuration.getString("Producer.Icon.BigImage");
+ }
+
+ public String getIconAltName()
+ {
+ return "Image";
+ }
+
+ public String getDescr(Entity mediaType)
+ {
+ return "image/jpeg";
+ }
+}
projects / mir.git / commitdiff