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.hadoop.tools.exif;
031
032import java.io.IOException;
033import java.net.URI;
034
035import org.apache.hadoop.conf.Configuration;
036import org.apache.hadoop.fs.FileSystem;
037import org.apache.hadoop.fs.LocalFileSystem;
038import org.apache.hadoop.fs.Path;
039import org.kohsuke.args4j.CmdLineException;
040import org.kohsuke.args4j.CmdLineParser;
041import org.kohsuke.args4j.Option;
042import org.openimaj.hadoop.sequencefile.SequenceFileUtility;
043
044public class HadoopEXIFOptions {
045        @Option(name="--input", aliases="-i", required=true, usage="Input image FILE.", metaVar="STRING")
046        private String input;
047        
048        @Option(name="--output", aliases="-o", required=true, usage="Output keypoint FILE.", metaVar="STRING")
049        private String output;
050        
051        @Option(name="--output-mode", aliases="-om", required=true, usage="Output Mode.", metaVar="STRING")
052        private EXIFOutputMode outputMode = EXIFOutputMode.TEXT;
053
054        @Option(name="--remove", aliases="-rm", required=false, usage="Remove the existing output location if it exists.", metaVar="BOOLEAN")
055        private boolean replace = false;
056        
057        @Option(name="--exif-path", aliases="-ep", required=false, usage="Path to the exiftools executable", metaVar="STRING")
058        private String exifPath = "/usr/local/bin/exiftool";
059        
060        private String[] args;
061
062        private boolean beforeMap;
063
064        public HadoopEXIFOptions(String[] args, boolean beforeMap) {
065                this.args = args;
066                this.beforeMap = beforeMap;
067        }
068
069        public void prepare() {
070                CmdLineParser parser = new CmdLineParser(this);
071                try {
072                        parser.parseArgument(args);
073                        this.validate();
074                } catch (CmdLineException e) {
075                        System.err.println(e.getMessage());
076                        System.err.println("Usage: java -jar HadoopEXIFTool.jar [options...] [files...]");
077                        parser.printUsage(System.err);
078                        
079                        System.exit(1);
080                }
081        }
082        
083        private void validate() {
084                if(replace && beforeMap){
085                        try {
086                                URI outuri = SequenceFileUtility.convertToURI(this.getOutputString());
087                                FileSystem fs = getFileSystem(outuri);
088                                fs.delete(new Path(outuri.toString()), true);
089                        } catch (IOException e) {
090                                
091                        }
092                }
093        }
094        public static FileSystem getFileSystem(URI uri) throws IOException {
095                Configuration config = new Configuration();
096                FileSystem fs = FileSystem.get(uri, config);
097                if (fs instanceof LocalFileSystem) fs = ((LocalFileSystem)fs).getRaw();
098                return fs;
099        }
100
101        public Path[] getInputPaths() throws IOException {
102                Path[] sequenceFiles = SequenceFileUtility.getFilePaths(this.getInputString(), "part");
103                return sequenceFiles;
104        }
105
106        public Path getOutputPath() {
107                return new Path(SequenceFileUtility.convertToURI(this.getOutputString()).toString());
108        }
109        
110        public String getInputString() {
111                return input;
112        }
113
114        public String getOutputString() {
115                return output;
116        }
117
118        public String getExifPath() {
119                return this.exifPath;
120        }
121
122        public EXIFOutputMode getOutputMode() {
123                return outputMode;
124        }
125}