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406 lines
21 KiB
406 lines
21 KiB
// index.java
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// -----------------------
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// part of the AnomicHTTPD caching proxy
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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//
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// You must compile this file with
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// javac -classpath .:../classes index.java
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// if the shell's current path is HTROOT
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Iterator;
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import de.anomic.http.httpHeader;
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import de.anomic.index.indexURL;
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import de.anomic.kelondro.kelondroMScoreCluster;
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import de.anomic.kelondro.kelondroRow;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.plasma.plasmaSearchPreOrder;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverDate;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.tools.crypt;
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import de.anomic.tools.nxTools;
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import de.anomic.yacy.yacyCore;
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import de.anomic.yacy.yacyNewsPool;
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import de.anomic.yacy.yacyNewsRecord;
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import de.anomic.yacy.yacySeed;
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import de.anomic.net.URL;
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public class index {
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
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final plasmaSwitchboard sb = (plasmaSwitchboard) env;
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final serverObjects prop = new serverObjects();
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boolean authenticated = sb.adminAuthenticated(header) >= 2;
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int display = ((post == null) || (!authenticated)) ? 0 : post.getInt("display", 0);
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boolean surftippsOn = sb.getConfigBool("showSurftipps", true);
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if ((post != null) && (post.containsKey("surftipps"))) {
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if (!sb.verifyAuthentication(header, false)) {
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prop.put("AUTHENTICATE", "admin log-in"); // force log-in
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return prop;
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}
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surftippsOn = post.get("surftipps", "off").equals("on");
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sb.setConfig("showSurftipps", surftippsOn);
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}
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boolean global = (post == null) ? true : post.get("resource", "global").equals("global");
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int searchoptions = (post == null) ? 0 : post.getInt("searchoptions", 0);
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final boolean indexDistributeGranted = sb.getConfig("allowDistributeIndex", "true").equals("true");
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final boolean indexReceiveGranted = sb.getConfig("allowReceiveIndex", "true").equals("true");
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final String handover = (post == null) ? "" : post.get("handover", "");
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if (!indexDistributeGranted || !indexReceiveGranted) { global = false; }
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final String referer = (String) header.get("Referer");
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if (referer != null) {
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URL url;
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try {
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url = new URL(referer);
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} catch (MalformedURLException e) {
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url = null;
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}
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if ((url != null) && (serverCore.isNotLocal(url))) {
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final HashMap referrerprop = new HashMap();
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referrerprop.put("count", "1");
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referrerprop.put("clientip", header.get("CLIENTIP"));
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referrerprop.put("useragent", header.get("User-Agent"));
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referrerprop.put("date", (new serverDate()).toShortString(false));
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if (sb.facilityDB != null) try {sb.facilityDB.update("backlinks", referer, referrerprop);} catch (IOException e) {}
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}
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}
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// we create empty entries for template strings
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String promoteSearchPageGreeting = env.getConfig("promoteSearchPageGreeting", "");
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if (promoteSearchPageGreeting.length() == 0) promoteSearchPageGreeting = "P2P WEB SEARCH";
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prop.put("promoteSearchPageGreeting", promoteSearchPageGreeting);
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prop.put("former", handover);
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prop.put("num-results", 0);
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prop.put("excluded", 0);
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prop.put("combine", 0);
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prop.put("resultbottomline", 0);
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prop.put("searchoptions", searchoptions);
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prop.put("searchoptions_count-10", 1);
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prop.put("searchoptions_count-50", 0);
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prop.put("searchoptions_count-100", 0);
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prop.put("searchoptions_count-1000", 0);
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prop.put("searchoptions_order-ybr-date-quality", plasmaSearchPreOrder.canUseYBR() ? 1 : 0);
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prop.put("searchoptions_order-ybr-quality-date", 0);
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prop.put("searchoptions_order-date-ybr-quality", 0);
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prop.put("searchoptions_order-quality-ybr-date", 0);
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prop.put("searchoptions_order-date-quality-ybr", plasmaSearchPreOrder.canUseYBR() ? 0 : 1);
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prop.put("searchoptions_order-quality-date-ybr", 0);
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prop.put("searchoptions_resource-global", ((global) ? 1 : 0));
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prop.put("searchoptions_resource-local", ((global) ? 0 : 1));
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prop.put("searchoptions_time-1", 0);
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prop.put("searchoptions_time-3", 0);
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prop.put("searchoptions_time-6", 1);
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prop.put("searchoptions_time-10", 0);
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prop.put("searchoptions_time-30", 0);
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prop.put("searchoptions_time-60", 0);
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prop.put("searchoptions_urlmaskoptions", 0);
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prop.put("searchoptions_urlmaskoptions_urlmaskfilter", ".*");
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prop.put("searchoptions_prefermaskoptions", 0);
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prop.put("searchoptions_prefermaskoptions_prefermaskfilter", "");
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prop.put("results", "");
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prop.put("cat", "href");
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prop.put("type", "0");
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prop.put("depth", "0");
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prop.put("display", display);
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prop.put("searchoptions_display", display);
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if (surftippsOn) {
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// read voting
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String hash;
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if ((post != null) && ((hash = post.get("voteNegative", null)) != null)) {
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if (!sb.verifyAuthentication(header, false)) {
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prop.put("AUTHENTICATE", "admin log-in"); // force log-in
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return prop;
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}
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// make new news message with voting
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HashMap map = new HashMap();
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map.put("urlhash", hash);
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map.put("vote", "negative");
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map.put("refid", post.get("refid", ""));
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yacyCore.newsPool.publishMyNews(new yacyNewsRecord("stippavt", map));
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}
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if ((post != null) && ((hash = post.get("votePositive", null)) != null)) {
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if (!sb.verifyAuthentication(header, false)) {
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prop.put("AUTHENTICATE", "admin log-in"); // force log-in
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return prop;
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}
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// make new news message with voting
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HashMap map = new HashMap();
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map.put("urlhash", hash);
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map.put("url", crypt.simpleDecode(post.get("url", ""), null));
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map.put("title", crypt.simpleDecode(post.get("title", ""), null));
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map.put("description", crypt.simpleDecode(post.get("description", ""), null));
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map.put("vote", "positive");
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map.put("refid", post.get("refid", ""));
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yacyCore.newsPool.publishMyNews(new yacyNewsRecord("stippavt", map));
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}
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// create surftipps
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HashMap negativeHashes = new HashMap(); // a mapping from an url hash to Integer (count of votes)
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HashMap positiveHashes = new HashMap(); // a mapping from an url hash to Integer (count of votes)
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accumulateVotes(negativeHashes, positiveHashes, yacyNewsPool.INCOMING_DB);
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//accumulateVotes(negativeHashes, positiveHashes, yacyNewsPool.OUTGOING_DB);
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//accumulateVotes(negativeHashes, positiveHashes, yacyNewsPool.PUBLISHED_DB);
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kelondroMScoreCluster ranking = new kelondroMScoreCluster(); // score cluster for url hashes
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kelondroRow rowdef = new kelondroRow("String url-255, String title-120, String description-120, String refid-" + (yacyCore.universalDateShortPattern.length() + 12));
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HashMap surftipps = new HashMap(); // a mapping from an url hash to a kelondroRow.Entry with display properties
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accumulateSurftipps(surftipps, ranking, rowdef, negativeHashes, positiveHashes, yacyNewsPool.INCOMING_DB);
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//accumulateSurftipps(surftipps, ranking, rowdef, negativeHashes, positiveHashes, yacyNewsPool.OUTGOING_DB);
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//accumulateSurftipps(surftipps, ranking, rowdef, negativeHashes, positiveHashes, yacyNewsPool.PUBLISHED_DB);
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// read out surftipp array and create property entries
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Iterator k = ranking.scores(false);
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int i = 0;
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kelondroRow.Entry row;
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String url, urlhash, refid, title, description;
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boolean voted;
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while (k.hasNext()) {
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urlhash = (String) k.next();
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if (urlhash == null) continue;
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row = (kelondroRow.Entry) surftipps.get(urlhash);
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if (row == null) continue;
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url = row.getColString(0, null);
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title = row.getColString(1,"UTF-8");
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description = row.getColString(2,"UTF-8");
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if ((url == null) || (title == null) || (description == null)) continue;
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refid = row.getColString(3, null);
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voted = false;
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try {
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voted = (yacyCore.newsPool.getSpecific(yacyNewsPool.OUTGOING_DB, "stippavt", "refid", refid) != null) || (yacyCore.newsPool.getSpecific(yacyNewsPool.PUBLISHED_DB, "stippavt", "refid", refid) != null);
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} catch (IOException e) {
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e.printStackTrace();
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}
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prop.put("surftipps_results_" + i + "_recommend", (voted) ? 0 : 1);
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prop.put("surftipps_results_" + i + "_recommend_negativeVoteLink", "/index.html?voteNegative=" + urlhash + "&refid=" + refid + "&display=" + display); // for negaive votes, we don't send around the bad url again, the hash is enough
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prop.put("surftipps_results_" + i + "_recommend_positiveVoteLink", "/index.html?votePositive=" + urlhash + "&refid=" + refid + "&url=" + crypt.simpleEncode(url,null,'b') + "&title=" + crypt.simpleEncode(title,null,'b') + "&description=" + crypt.simpleEncode(description,null,'b') + "&display=" + display);
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prop.put("surftipps_results_" + i + "_url", url);
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prop.put("surftipps_results_" + i + "_urlname", nxTools.shortenURLString(url, 60));
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prop.put("surftipps_results_" + i + "_urlhash", urlhash);
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prop.put("surftipps_results_" + i + "_title", title);
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prop.put("surftipps_results_" + i + "_description", description);
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i++;
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if (i >= 50) break;
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}
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prop.put("surftipps_results", i);
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prop.put("surftipps", 1);
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} else {
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prop.put("surftipps", 0);
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}
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return prop;
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}
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private static int timeFactor(Date created) {
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return (int) Math.max(0, 10 - ((System.currentTimeMillis() - created.getTime()) / 24 / 60 / 60 / 1000));
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}
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private static void accumulateVotes(HashMap negativeHashes, HashMap positiveHashes, int dbtype) {
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int maxCount = Math.min(1000, yacyCore.newsPool.size(dbtype));
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yacyNewsRecord record;
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for (int j = 0; j < maxCount; j++) try {
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record = yacyCore.newsPool.get(dbtype, j);
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if (record == null) continue;
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if (record.category().equals("stippavt")) {
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String urlhash = record.attribute("urlhash", "");
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String vote = record.attribute("vote", "");
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int factor = ((dbtype == yacyNewsPool.OUTGOING_DB) || (dbtype == yacyNewsPool.PUBLISHED_DB)) ? 2 : 1;
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if (vote.equals("negative")) {
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Integer i = (Integer) negativeHashes.get(urlhash);
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if (i == null) negativeHashes.put(urlhash, new Integer(factor));
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else negativeHashes.put(urlhash, new Integer(i.intValue() + factor));
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}
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if (vote.equals("positive")) {
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Integer i = (Integer) positiveHashes.get(urlhash);
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if (i == null) positiveHashes.put(urlhash, new Integer(factor));
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else positiveHashes.put(urlhash, new Integer(i.intValue() + factor));
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}
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}
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} catch (IOException e) {e.printStackTrace();}
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}
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private static void accumulateSurftipps(
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HashMap surftipps, kelondroMScoreCluster ranking, kelondroRow rowdef,
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HashMap negativeHashes, HashMap positiveHashes, int dbtype) {
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int maxCount = Math.min(1000, yacyCore.newsPool.size(dbtype));
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yacyNewsRecord record;
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String url = "", urlhash;
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kelondroRow.Entry entry;
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int score = 0;
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Integer vote;
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for (int j = 0; j < maxCount; j++) try {
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record = yacyCore.newsPool.get(dbtype, j);
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if (record == null) continue;
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entry = null;
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if (record.category().equals("crwlstrt")) {
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String intention = record.attribute("intention", "");
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url = record.attribute("startURL", "");
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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((intention.length() == 0) ? record.attribute("startURL", "") : intention).getBytes(),
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("Crawl Start Point").getBytes("UTF-8"),
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record.id().getBytes()
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});
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score = 2 + Math.min(10, intention.length() / 4) + timeFactor(record.created());
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}
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if (record.category().equals("prfleupd")) {
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url = record.attribute("homepage", "");
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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("Home Page of " + record.attribute("nickname", "")).getBytes("UTF-8"),
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("Profile Update").getBytes("UTF-8"),
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record.id().getBytes()
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});
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score = 1 + timeFactor(record.created());
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}
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if (record.category().equals("bkmrkadd")) {
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url = record.attribute("url", "");
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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(record.attribute("title", "")).getBytes("UTF-8"),
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("Bookmark: " + record.attribute("description", "")).getBytes("UTF-8"),
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record.id().getBytes()
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});
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score = 8 + timeFactor(record.created());
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}
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if (record.category().equals("stippadd")) {
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url = record.attribute("url", "");
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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(record.attribute("title", "")).getBytes("UTF-8"),
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("Surf Tipp: " + record.attribute("description", "")).getBytes("UTF-8"),
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record.id().getBytes()
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});
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score = 5 + timeFactor(record.created());
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}
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if (record.category().equals("stippavt")) {
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if (!(record.attribute("vote", "negative").equals("positive"))) continue;
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url = record.attribute("url", "");
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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record.attribute("title", "").getBytes("UTF-8"),
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record.attribute("description", "").getBytes("UTF-8"),
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record.attribute("refid", "").getBytes()
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});
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score = 5 + timeFactor(record.created());
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}
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if (record.category().equals("wiki_upd")) {
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yacySeed seed = yacyCore.seedDB.getConnected(record.originator());
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if (seed == null) seed = yacyCore.seedDB.getDisconnected(record.originator());
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if (seed != null) {
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url = "http://" + seed.getAddress() + "/Wiki.html?page=" + record.attribute("page", "");
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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(record.attribute("author", "Anonymous") + ": " + record.attribute("page", "")).getBytes("UTF-8"),
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("Wiki Update: " + record.attribute("description", "")).getBytes("UTF-8"),
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record.id().getBytes()
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});
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score = 4 + timeFactor(record.created());
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}
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}
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if (record.category().equals("blog_add")) {
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yacySeed seed = yacyCore.seedDB.getConnected(record.originator());
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if (seed == null) seed = yacyCore.seedDB.getDisconnected(record.originator());
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if (seed != null) {
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url = "http://" + seed.getAddress() + "/Blog.html?page=" + record.attribute("page", "");
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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(record.attribute("author", "Anonymous") + ": " + record.attribute("page", "")).getBytes("UTF-8"),
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("Blog Entry: " + record.attribute("subject", "")).getBytes("UTF-8"),
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record.id().getBytes()
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});
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score = 4 + timeFactor(record.created());
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}
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}
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// add/subtract votes and write record
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if (entry != null) {
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urlhash = indexURL.urlHash(url);
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if (urlhash == null) {
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System.out.println("Surftipps: bad url '" + url + "' from news record " + record.toString());
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continue;
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}
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if ((vote = (Integer) negativeHashes.get(urlhash)) != null) {
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score = Math.max(0, score - vote.intValue()); // do not go below zero
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}
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if ((vote = (Integer) positiveHashes.get(urlhash)) != null) {
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score += 2 * vote.intValue();
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}
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// consider double-entries
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if (surftipps.containsKey(urlhash)) {
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ranking.addScore(urlhash, score);
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} else {
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ranking.setScore(urlhash, score);
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surftipps.put(urlhash, entry);
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}
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}
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} catch (IOException e) {e.printStackTrace();}
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}
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}
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