// yacysearch_location.java // ----------------------- // (C) 2010 by Michael Peter Christen; mc@yacy.net // first published 09.05.2010 in Frankfurt, Germany on http://yacy.net // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA import java.util.Date; import java.util.Set; import java.util.concurrent.BlockingQueue; import java.util.concurrent.LinkedBlockingQueue; import java.util.concurrent.TimeUnit; import net.yacy.cora.document.feed.RSSMessage; import net.yacy.cora.federate.opensearch.SRURSSConnector; import net.yacy.cora.geo.GeoLocation; import net.yacy.cora.protocol.ClientIdentification; import net.yacy.cora.protocol.Domains; import net.yacy.cora.protocol.HeaderFramework; import net.yacy.cora.protocol.RequestHeader; import net.yacy.cora.util.CommonPattern; import net.yacy.document.LibraryProvider; import net.yacy.search.Switchboard; import net.yacy.search.SwitchboardConstants; import net.yacy.server.serverObjects; import net.yacy.server.serverSwitch; public class yacysearch_location { public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) { final Switchboard sb = (Switchboard) env; final serverObjects prop = new serverObjects(); prop.put("kml", 0); if (header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("kml") || header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("xml") || header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("rss") ) { // generate a kml output page prop.put("kml", 1); if (post == null) return prop; final String query = post.get("query", ""); final boolean search_query = post.get("dom", "").indexOf("location",0) >= 0; final boolean metatag = post.get("dom", "").indexOf("metatag",0) >= 0; final boolean alltext = post.get("dom", "").indexOf("alltext",0) >= 0; final boolean search_title = alltext || post.get("dom", "").indexOf("title",0) >= 0; final boolean search_publisher = alltext || post.get("dom", "").indexOf("publisher",0) >= 0; final boolean search_creator = alltext || post.get("dom", "").indexOf("creator",0) >= 0; final boolean search_subject = alltext || post.get("dom", "").indexOf("subject",0) >= 0; final long maximumTime = post.getLong("maximumTime", 5000); final int maximumRecords = post.getInt("maximumRecords", 6000); final double lon = post.getDouble("lon", 0.0d); final double lat = post.getDouble("lat", 0.0d); final double radius = post.getDouble("r", 0.0d); //i.e. http://localhost:8090/yacysearch_location.kml?query=berlin&maximumTime=2000&maximumRecords=100 int placemarkCounter = 0; if (query.length() > 0 && search_query) { final Set locations = LibraryProvider.geoLoc.find(query, true); for (final String qp: CommonPattern.SPACES.split(query)) { locations.addAll(LibraryProvider.geoLoc.find(qp, true)); } String ip = sb.peers.mySeed().getIP(); for (final GeoLocation location: locations) { // write for all locations a point to this message double lo = location.lon(); double la = location.lat(); if (lo == 0.0d && la == 0.0d) continue; // bad location prop.put("kml_placemark_" + placemarkCounter + "_location", location.getName()); prop.put("kml_placemark_" + placemarkCounter + "_name", location.getName()); prop.put("kml_placemark_" + placemarkCounter + "_author", ""); prop.put("kml_placemark_" + placemarkCounter + "_copyright", ""); prop.put("kml_placemark_" + placemarkCounter + "_subject", ""); prop.put("kml_placemark_" + placemarkCounter + "_description", ""); prop.put("kml_placemark_" + placemarkCounter + "_date", ""); prop.putXML("kml_placemark_" + placemarkCounter + "_url", "http://" + sb.peers.mySeed().getPublicAddress(ip) + "/yacysearch.html?query=" + location.getName()); prop.put("kml_placemark_" + placemarkCounter + "_pointname", location.getName()); prop.put("kml_placemark_" + placemarkCounter + "_lon", lo); prop.put("kml_placemark_" + placemarkCounter + "_lat", la); placemarkCounter++; } } if (query.length() > 0 && (metatag || search_title || search_publisher || search_creator || search_subject)) try { // get a queue of search results final String rssSearchServiceURL = "http://127.0.0.1:" + sb.getLocalPort() + "/yacysearch.rss"; final BlockingQueue results = new LinkedBlockingQueue(); SRURSSConnector.searchSRURSS(results, rssSearchServiceURL, lon == 0.0d && lat == 0.0d ? query : query + " /radius/" + lat + "/" + lon + "/" + radius, maximumTime, Integer.MAX_VALUE, null, false, ClientIdentification.yacyInternetCrawlerAgent); // take the results and compute some locations RSSMessage message; loop: while ((message = results.poll(maximumTime, TimeUnit.MILLISECONDS)) != RSSMessage.POISON) { if (message == null) break loop; double lo = message.getLon(); double la = message.getLat(); if (lo == 0.0d && la == 0.0d) continue; // bad location prop.put("kml_placemark_" + placemarkCounter + "_location", message.getTitle()); prop.put("kml_placemark_" + placemarkCounter + "_name", message.getTitle()); prop.put("kml_placemark_" + placemarkCounter + "_author", message.getAuthor()); prop.put("kml_placemark_" + placemarkCounter + "_copyright", message.getCopyright()); prop.put("kml_placemark_" + placemarkCounter + "_subject", message.getSubject()); prop.put("kml_placemark_" + placemarkCounter + "_description", message.getDescriptions().size() > 0 ? message.getDescriptions().get(0) : ""); prop.put("kml_placemark_" + placemarkCounter + "_date", (message.getPubDate() != null) ? message.getPubDate() : new Date()); prop.putXML("kml_placemark_" + placemarkCounter + "_url", message.getLink()); prop.put("kml_placemark_" + placemarkCounter + "_pointname", message.getTitle()); prop.put("kml_placemark_" + placemarkCounter + "_lon", lo); prop.put("kml_placemark_" + placemarkCounter + "_lat", la); placemarkCounter++; if (placemarkCounter >= maximumRecords) break loop; } } catch (final InterruptedException e) {} prop.put("kml_placemark", placemarkCounter); } if (header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("rss")) { if (post == null) return prop; String promoteSearchPageGreeting = env.getConfig(SwitchboardConstants.GREETING, ""); if (env.getConfigBool(SwitchboardConstants.GREETING_NETWORK_NAME, false)) promoteSearchPageGreeting = env.getConfig("network.unit.description", ""); String hostName = header.get("Host", Domains.LOCALHOST); if (hostName.indexOf(':',0) == -1) hostName += ":" + env.getLocalPort(); final String originalquerystring = (post == null) ? "" : post.get("query", post.get("search", "")).trim(); // SRU compliance final boolean global = post.get("kml_resource", "local").equals("global"); prop.put("kml_date822", HeaderFramework.formatRFC1123(new Date())); prop.put("kml_promoteSearchPageGreeting", promoteSearchPageGreeting); prop.put("kml_rssYacyImageURL", "http://" + hostName + "/env/grafics/yacy.png"); prop.put("kml_searchBaseURL", "http://" + hostName + "/yacysearch_location.rss"); prop.putXML("kml_rss_query", originalquerystring); prop.put("kml_rss_queryenc", originalquerystring.replace(' ', '+')); prop.put("kml_resource", global ? "global" : "local"); prop.put("kml_contentdom", (post == null ? "text" : post.get("contentdom", "text"))); prop.put("kml_verify", (post == null) ? "true" : post.get("verify", "true")); } if (header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("html")) { prop.put("topmenu", sb.getConfigBool("publicTopmenu", true) ? 1 : 0); prop.put("promoteSearchPageGreeting", sb.getConfig(SwitchboardConstants.GREETING, "")); if (post == null || post.get("query") == null) { prop.put("initsearch", 0); } else { prop.put("initsearch", 1); prop.put("initsearch_query", post.get("query")); } } // return rewrite properties return prop; } }