001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.tools.imagecollection.processor;
031
032import java.io.File;
033import java.io.IOException;
034
035import org.openimaj.image.Image;
036import org.openimaj.image.ImageUtilities;
037import org.openimaj.io.FileUtils;
038import org.openimaj.tools.imagecollection.collection.ImageCollectionEntry;
039
040public class DirectoryImageProcessor<T extends Image<?, T>> extends ImageCollectionProcessor<T> {
041
042        private File directoryFile = new File(".");
043        boolean force = true;
044        String imageOutputFormat = "%05d.png";
045        private int seen = 0;
046
047        public DirectoryImageProcessor(String output, boolean force,String imageNameFormat) {
048                this.directoryFile = new File(output);
049                this.force = force;
050                this.imageOutputFormat = imageNameFormat;
051                this.seen  = 0;
052        }
053
054        @Override
055        public void start() throws IOException{
056                if(this.directoryFile.exists()){
057                        if(this.directoryFile.isDirectory() ){
058                                if(force) FileUtils.deleteRecursive(this.directoryFile);
059                        }
060                }
061                if(!this.directoryFile.mkdirs()){
062                        throw new IOException("Can't create directory");
063                }
064                // Directory should exist and be a directory now
065        }
066
067        @Override
068        public String process(ImageCollectionEntry<T> image) throws IOException{
069                String filename = String.format(imageOutputFormat,this.seen++ );
070                File imageOutput = new File(this.directoryFile,filename);
071                ImageUtilities.write(image.image, imageOutput);
072                return filename;
073        }
074
075        public File getDirectoryFile() {
076                return directoryFile;
077        }
078
079}