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.demos.irc;
031
032import java.io.IOException;
033
034import org.openimaj.stream.provider.WikipediaEditsDataset;
035import org.openimaj.stream.provider.WikipediaEditsDataset.WikipediaEdit;
036import org.openimaj.util.data.Context;
037import org.openimaj.util.function.Operation;
038import org.openimaj.util.function.Predicate;
039import org.openimaj.util.function.context.ContextExtractor;
040import org.openimaj.util.function.context.ContextFunctionAdaptor;
041import org.openimaj.util.function.context.ContextGenerator;
042import org.openimaj.util.function.context.ContextPredicateAdaptor;
043import org.openimaj.util.function.context.KeyContextInsertor;
044import org.openimaj.video.VideoDisplay;
045
046/**
047 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
048 *
049 */
050public class WikipediaChangesGeo {
051        private static final class NotNull implements Predicate<Object> {
052                @Override
053                public boolean test(Object object) {
054                        return object != null;
055                }
056        }
057
058        public static void main(String[] args) throws IOException {
059                final WorldVis wordVis = new WorldVis(1800, 600);
060                VideoDisplay.createVideoDisplay(wordVis);
061
062                new WikipediaEditsDataset("en")
063                                .map(new ContextGenerator<WikipediaEdit>("wikiedit"))
064                                .map(
065                                                new ContextFunctionAdaptor<String, FreeGeoIPLocation>(new IPAsGeolocation(),
066                                                                new ContextExtractor<String>() {
067                                                                        @Override
068                                                                        public String extract(Context c) {
069                                                                                final WikipediaEdit edit = ((WikipediaEdit) c.get("wikiedit"));
070                                                                                if (edit.anon)
071                                                                                        return edit.user;
072                                                                                else
073                                                                                        return null;
074                                                                        }
075                                                                },
076                                                                new KeyContextInsertor<FreeGeoIPLocation>("geolocation")
077                                                )
078                                )
079                                .filter(new ContextPredicateAdaptor<Object>(new NotNull(), "geolocation"))
080                                .forEach(new Operation<Context>() {
081                                        @Override
082                                        public void perform(Context object) {
083                                                final FreeGeoIPLocation geoip = object.getTyped("geolocation");
084                                                wordVis.activate(geoip);
085                                        }
086                                });
087        }
088}