001/**
002 * Copyright (c) 2012, 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.reddit;
031
032import java.util.HashMap;
033import java.util.List;
034import java.util.Map;
035
036import org.joda.time.DateTime;
037import org.joda.time.DateTimeConstants;
038import org.joda.time.Period;
039import org.kohsuke.args4j.Option;
040import org.openimaj.twitter.collection.StreamJSONStatusList.ReadableWritableJSON;
041import org.openimaj.util.pair.IndependentPair;
042import org.openimaj.util.pair.LongLongPair;
043
044/**
045 * The time split attempts to read times from the json items provided and splits
046 * by WEEK,DAY,HOUR or MINUTE 
047 * @author Jon Hare (jsh2@ecs.soton.ac.uk), Sina Samangooei (ss@ecs.soton.ac.uk)
048 *
049 */
050public class TimeSplitMode extends SplitMode {
051        private static final String outputFormat = "%s.%s.s%s.e%s.json";
052        
053        enum TimeSplitPeriod{
054                WEEK {
055                        @Override
056                        public LongLongPair startEnd(long time) {
057                                DateTime dt = new DateTime(time);
058                                DateTime start = dt.withDayOfWeek(DateTimeConstants.MONDAY);
059                                DateTime end = dt.plus(weekPeriod).withDayOfWeek(DateTimeConstants.MONDAY);
060                                
061                                return LongLongPair.pair(start.getMillis(), end.getMillis());
062                        }
063                },DAY {
064                        @Override
065                        public LongLongPair startEnd(long time) {
066                                DateTime dt = new DateTime(time);
067                                DateTime start = dt.withHourOfDay(0);
068                                DateTime end = dt.plus(dayPeriod).withHourOfDay(0);
069                                
070                                return LongLongPair.pair(start.getMillis(), end.getMillis());
071                        }
072                },HOUR {
073                        @Override
074                        public LongLongPair startEnd(long time) {
075                                DateTime dt = new DateTime(time);
076                                DateTime start = dt.withMinuteOfHour(0);
077                                DateTime end = dt.plus(hourPeriod).withMinuteOfHour(0);
078                                
079                                return LongLongPair.pair(start.getMillis(), end.getMillis());
080                        }
081                },MINUTE {
082                        @Override
083                        public LongLongPair startEnd(long time) {
084                                DateTime dt = new DateTime(time);
085                                DateTime start = dt.withSecondOfMinute(0);
086                                DateTime end = dt.plus(minutePeriod).withSecondOfMinute(0);
087                                
088                                return LongLongPair.pair(start.getMillis(), end.getMillis());
089                        }
090                };
091                Period weekPeriod = new Period(0, 0, 1, 0, 0, 0, 0, 0);
092                Period dayPeriod = new Period(0, 0, 0, 1, 0, 0, 0, 0);
093                Period hourPeriod = new Period(0, 0, 0, 0, 1, 0, 0, 0);
094                Period minutePeriod = new Period(0, 0, 0, 0, 0, 1, 0, 0);
095                public abstract LongLongPair startEnd(long time);
096        }
097        
098        @Option(name="--split-period", aliases="-sp", required=false, usage="the file split period.")
099        protected TimeSplitPeriod period = TimeSplitPeriod.MINUTE;
100        
101        @Override
102        public void output(List<ReadableWritableJSON> read) {
103//              Map<String,List<ReadableWritableJSON>> fileOutputs = new HashMap<String, List<ReadableWritableJSON>>();
104//              for (ReadableWritableJSON readableWritableJSON : read) {
105//                      @SuppressWarnings("unchecked")
106//                      List<Map<String,Object>> items = (List<Map<String, Object>>) ((Map<String,Object>)readableWritableJSON.get("data")).get("children");
107//                      
108//              }
109//              return null;
110        }
111
112}