franta-hg@5: /**
franta-hg@5:  * copy-image-resizer
franta-hg@5:  * Copyright © 2014 František Kučera (frantovo.cz)
franta-hg@5:  *
franta-hg@5:  * This program is free software: you can redistribute it and/or modify
franta-hg@5:  * it under the terms of the GNU General Public License as published by
franta-hg@5:  * the Free Software Foundation, either version 3 of the License, or
franta-hg@5:  * (at your option) any later version.
franta-hg@5:  *
franta-hg@5:  * This program is distributed in the hope that it will be useful,
franta-hg@5:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@5:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@5:  * GNU General Public License for more details.
franta-hg@5:  *
franta-hg@5:  * You should have received a copy of the GNU General Public License
franta-hg@5:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@5:  */
franta-hg@5: package cz.frantovo.copyImageResizer;
franta-hg@5: 
franta-hg@6: import cz.frantovo.copyImageResizer.SingleImageResizer.ImageFormat;
franta-hg@6: import java.io.File;
franta-hg@6: import java.io.FileInputStream;
franta-hg@6: import java.io.FileNotFoundException;
franta-hg@6: import java.io.FileOutputStream;
franta-hg@6: import java.util.logging.Level;
franta-hg@6: import java.util.logging.Logger;
franta-hg@6: 
franta-hg@5: /**
franta-hg@5:  *
franta-hg@5:  * @author Ing. František Kučera (frantovo.cz)
franta-hg@5:  */
franta-hg@5: public class RecursiveImageResizer {
franta-hg@5: 
franta-hg@6: 	private static final Logger log = Logger.getLogger(RecursiveImageResizer.class.getName());
franta-hg@6: 
franta-hg@6: 	private final SingleImageResizer resizer = new SingleImageResizer();
franta-hg@6: 
franta-hg@5: 	public void resize(RecursiveOptions options) throws RecursiveException, ResizeException {
franta-hg@6: 		resizeDirectory(options.getInput(), options);
franta-hg@6: 	}
franta-hg@6: 
franta-hg@6: 	private void resizeFile(File file, RecursiveOptions options) throws ResizeException {
franta-hg@6: 		log.log(Level.FINE, "Resizing file: {0}", relativize(options.getInput(), file));
franta-hg@6: 
franta-hg@6: 		ImageFormat format = ImageFormat.getMatching(file.getName());
franta-hg@6: 
franta-hg@6: 		if (format == null) {
franta-hg@6: 			log.log(Level.FINE, "Skipping file: {0} (no image format matched this extension)", relativize(options.getInput(), file));
franta-hg@6: 		} else {
franta-hg@6: 			try {
franta-hg@6: 				FileInputStream input = new FileInputStream(file);
franta-hg@6: 				File relative = relativize(options.getInput(), file);
franta-hg@6: 				File outputFile = new File(options.getOutput(), relative.getPath());
franta-hg@6: 				FileOutputStream output = new FileOutputStream(outputFile);
franta-hg@6: 				resizer.resize(input, output, format);
franta-hg@6: 			} catch (FileNotFoundException e) {
franta-hg@6: 				throw new ResizeException("Error while opening stream", e);
franta-hg@6: 			}
franta-hg@6: 		}
franta-hg@6: 
franta-hg@6: 	}
franta-hg@6: 
franta-hg@6: 	private void resizeDirectory(File directory, RecursiveOptions options) throws ResizeException {
franta-hg@6: 
franta-hg@6: 		log.log(Level.FINE, "Resizing directory: {0}", directory);
franta-hg@6: 
franta-hg@6: 		File relative = relativize(options.getInput(), directory);
franta-hg@6: 		File output = new File(options.getOutput(), relative.getPath());
franta-hg@6: 		output.mkdirs();
franta-hg@6: 
franta-hg@6: 		for (File entry : directory.listFiles()) {
franta-hg@6: 			if (entry.isDirectory()) {
franta-hg@6: 				resizeDirectory(entry, options);
franta-hg@6: 			} else {
franta-hg@6: 				resizeFile(entry, options);
franta-hg@6: 			}
franta-hg@6: 		}
franta-hg@6: 
franta-hg@6: 	}
franta-hg@6: 
franta-hg@6: 	private static File relativize(File root, File child) {
franta-hg@6: 		return root.toPath().relativize(child.toPath()).toFile();
franta-hg@5: 	}
franta-hg@5: 
franta-hg@5: }