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.BufferedReader;
033import java.io.IOException;
034import java.io.InputStream;
035import java.io.InputStreamReader;
036import java.net.URL;
037
038import org.openimaj.io.HttpUtils;
039import org.openimaj.util.function.Function;
040
041import com.google.gson.Gson;
042import com.google.gson.GsonBuilder;
043
044/**
045 * Given an IP, output a geolocation from freegeoio.net
046 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
047 *
048 */
049public class IPAsGeolocation implements Function<String, FreeGeoIPLocation> {
050
051        private Gson gson;
052        public IPAsGeolocation() {
053                this.gson = new GsonBuilder().create();
054        }
055        @Override
056        public FreeGeoIPLocation apply(String ip) {
057
058                InputStream is;
059                try {
060                        URL url = new URL("http://freegeoip.net/json/" + ip);
061                        is = HttpUtils.readURL(url);
062                        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
063                        for (String line; (line = reader.readLine()) != null;) {
064                                if(line.contains("Not Found")) return null;
065                                try{
066                                        return gson.fromJson(line, FreeGeoIPLocation.class);
067                                }catch(Throwable t){
068                                        return null;
069                                }
070                        }
071                } catch (IOException e) {
072                        return null;
073                }
074                return null;
075        }
076
077}