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edaa09b9b1
#143 Conflicts: htroot/Supporter.java htroot/yacy/crawlReceipt.java htroot/yacy/transferRWI.java htroot/yacy/transferURL.java source/de/anomic/crawler/CrawlStacker.java source/de/anomic/data/ListManager.java source/net/yacy/peers/Protocol.java source/net/yacy/repository/Blacklist.java source/net/yacy/repository/LoaderDispatcher.java source/net/yacy/search/Switchboard.java source/net/yacy/search/index/MetadataRepository.java source/net/yacy/search/index/Segment.java source/net/yacy/search/query/RWIProcess.java source/net/yacy/search/snippet/MediaSnippet.java
340 lines
17 KiB
Java
340 lines
17 KiB
Java
// Surftips.java
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// (C) 2006 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 2006 on http://www.anomic.de
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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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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// LICENSE
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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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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 net.yacy.cora.date.GenericFormatter;
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import net.yacy.cora.document.UTF8;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.sorting.ConcurrentScoreMap;
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import net.yacy.cora.sorting.ScoreMap;
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import net.yacy.kelondro.data.meta.DigestURI;
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import net.yacy.kelondro.index.Row;
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import net.yacy.kelondro.index.Row.Entry;
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import net.yacy.kelondro.order.NaturalOrder;
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import net.yacy.peers.NewsDB;
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import net.yacy.peers.NewsPool;
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import net.yacy.peers.Seed;
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import net.yacy.repository.Blacklist.BlacklistType;
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import net.yacy.search.Switchboard;
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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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public class Surftips {
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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final boolean authenticated = sb.adminAuthenticated(header) >= 2;
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final int display = ((post == null) || (!authenticated)) ? 0 : post.getInt("display", 0);
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prop.put("display", display);
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final boolean showScore = ((post != null) && (post.containsKey("score")));
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// access control
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boolean publicPage = sb.getConfigBool("publicSurftips", true);
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final boolean authorizedAccess = sb.verifyAuthentication(header);
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if ((post != null) && (post.containsKey("publicPage"))) {
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if (!authorizedAccess) {
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prop.authenticationRequired();
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return prop;
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}
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publicPage = post.get("publicPage", "0").equals("1");
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sb.setConfig("publicSurftips", publicPage);
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}
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if ((publicPage) || (authorizedAccess)) {
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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)) {
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prop.authenticationRequired();
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return prop;
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}
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// make new news message with voting
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if (sb.isRobinsonMode()) {
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final HashMap<String, String> map = new HashMap<String, String>();
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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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sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), NewsPool.CATEGORY_SURFTIPP_VOTE_ADD, map);
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}
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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)) {
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prop.authenticationRequired();
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return prop;
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}
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// make new news message with voting
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final HashMap<String, String> map = new HashMap<String, String>();
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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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map.put("comment", post.get("comment", ""));
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sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), NewsPool.CATEGORY_SURFTIPP_VOTE_ADD, map);
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}
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// create surftips
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final HashMap<String, Integer> negativeHashes = new HashMap<String, Integer>(); // a mapping from an url hash to Integer (count of votes)
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final HashMap<String, Integer> positiveHashes = new HashMap<String, Integer>(); // a mapping from an url hash to Integer (count of votes)
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accumulateVotes(sb , negativeHashes, positiveHashes, NewsPool.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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final ScoreMap<String> ranking = new ConcurrentScoreMap<String>(); // score cluster for url hashes
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final Row rowdef = new Row("String url-255, String title-120, String description-120, String refid-" + (GenericFormatter.PATTERN_SHORT_SECOND.length() + 12), NaturalOrder.naturalOrder);
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final HashMap<String, Entry> surftips = new HashMap<String, Entry>(); // a mapping from an url hash to a kelondroRow.Entry with display properties
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accumulateSurftips(sb, surftips, ranking, rowdef, negativeHashes, positiveHashes, NewsPool.INCOMING_DB);
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//accumulateSurftips(surftips, ranking, rowdef, negativeHashes, positiveHashes, yacyNewsPool.OUTGOING_DB);
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//accumulateSurftips(surftips, ranking, rowdef, negativeHashes, positiveHashes, yacyNewsPool.PUBLISHED_DB);
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// read out surftipp array and create property entries
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final Iterator<String> k = ranking.keys(false);
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int i = 0;
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Row.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 = k.next();
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if (urlhash == null) continue;
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row = surftips.get(urlhash);
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if (row == null) continue;
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url = row.getPrimaryKeyUTF8().trim();
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try{
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if(Switchboard.urlBlacklist.isListed(BlacklistType.SURFTIPS ,new DigestURI(url)))
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continue;
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}catch(final MalformedURLException e){continue;};
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title = row.getColUTF8(1);
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description = row.getColUTF8(2);
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if ((url == null) || (title == null) || (description == null)) continue;
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refid = row.getColUTF8(3);
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voted = (sb.peers.newsPool.getSpecific(NewsPool.OUTGOING_DB, NewsPool.CATEGORY_SURFTIPP_VOTE_ADD, "refid", refid) != null) ||
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(sb.peers.newsPool.getSpecific(NewsPool.PUBLISHED_DB, NewsPool.CATEGORY_SURFTIPP_VOTE_ADD, "refid", refid) != null);
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prop.put("surftips_results_" + i + "_authorized", (authenticated) ? "1" : "0");
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prop.put("surftips_results_" + i + "_authorized_recommend", (voted) ? "0" : "1");
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prop.put("surftips_results_" + i + "_authorized_recommend_urlhash", urlhash);
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prop.put("surftips_results_" + i + "_authorized_recommend_refid", refid);
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prop.put("surftips_results_" + i + "_authorized_recommend_url", crypt.simpleEncode(url, null, 'b'));
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prop.put("surftips_results_" + i + "_authorized_recommend_title", crypt.simpleEncode(title, null, 'b'));
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prop.put("surftips_results_" + i + "_authorized_recommend_description", crypt.simpleEncode(description, null, 'b'));
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prop.put("surftips_results_" + i + "_authorized_recommend_display", display);
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prop.put("surftips_results_" + i + "_authorized_recommend_showScore", (showScore ? "1" : "0"));
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prop.putXML("surftips_results_" + i + "_authorized_urlhash", urlhash);
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prop.putXML("surftips_results_" + i + "_url", url);
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prop.putXML("surftips_results_" + i + "_urlname", nxTools.shortenURLString(url, 60));
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prop.putXML("surftips_results_" + i + "_urlhash", urlhash);
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prop.putXML("surftips_results_" + i + "_title", (showScore) ? ("(" + ranking.get(urlhash) + ") " + title) : title);
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prop.putHTML("surftips_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("surftips_results", i);
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prop.put("surftips", "1");
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} else {
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prop.put("surftips", "0");
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}
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return prop;
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}
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private static int timeFactor(final 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(final Switchboard sb, final HashMap<String, Integer> negativeHashes, final HashMap<String, Integer> positiveHashes, final int dbtype) {
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final int maxCount = Math.min(1000, sb.peers.newsPool.size(dbtype));
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NewsDB.Record record;
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final Iterator<NewsDB.Record> recordIterator = sb.peers.newsPool.recordIterator(dbtype, true);
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int j = 0;
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while ((recordIterator.hasNext()) && (j++ < maxCount)) {
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record = recordIterator.next();
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if (record == null) continue;
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if (record.category().equals(NewsPool.CATEGORY_SURFTIPP_VOTE_ADD)) {
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final String urlhash = record.attribute("urlhash", "");
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final String vote = record.attribute("vote", "");
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final int factor = ((dbtype == NewsPool.OUTGOING_DB) || (dbtype == NewsPool.PUBLISHED_DB)) ? 2 : 1;
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if (vote.equals("negative")) {
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final Integer i = negativeHashes.get(urlhash);
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if (i == null) negativeHashes.put(urlhash, Integer.valueOf(factor));
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else negativeHashes.put(urlhash, Integer.valueOf(i.intValue() + factor));
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}
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if (vote.equals("positive")) {
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final Integer i = positiveHashes.get(urlhash);
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if (i == null) positiveHashes.put(urlhash, Integer.valueOf(factor));
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else positiveHashes.put(urlhash, Integer.valueOf(i.intValue() + factor));
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}
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}
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}
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}
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private static void accumulateSurftips(
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final Switchboard sb,
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final HashMap<String, Entry> surftips, final ScoreMap<String> ranking, final Row rowdef,
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final HashMap<String, Integer> negativeHashes, final HashMap<String, Integer> positiveHashes, final int dbtype) {
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final int maxCount = Math.min(1000, sb.peers.newsPool.size(dbtype));
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NewsDB.Record record;
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final Iterator<NewsDB.Record> recordIterator = sb.peers.newsPool.recordIterator(dbtype, true);
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int j = 0;
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String url = "", urlhash;
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Row.Entry entry;
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int score = 0;
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Integer vote;
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while ((recordIterator.hasNext()) && (j++ < maxCount)) {
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record = recordIterator.next();
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if (record == null) continue;
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entry = null;
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if (record.category().equals(NewsPool.CATEGORY_CRAWL_START)) {
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final String intention = record.attribute("intention", "");
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url = record.attribute("startURL", "");
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if (url.length() < 12) continue;
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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(((intention.length() == 0) || intention.equals("simple web crawl") || intention.equals("Automatic ReCrawl!")) ? record.attribute("startURL", "") : intention).getBytes(),
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intention.equals("Automatic ReCrawl!") ? UTF8.getBytes("Automatic ReCrawl") : UTF8.getBytes("Crawl Start Point"),
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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(NewsPool.CATEGORY_BOOKMARK_ADD)) {
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url = record.attribute("url", "");
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if (url.length() < 12) continue;
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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UTF8.getBytes(record.attribute("title", "")),
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UTF8.getBytes("Bookmark: " + record.attribute("description", "")),
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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(NewsPool.CATEGORY_SURFTIPP_ADD)) {
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url = record.attribute("url", "");
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if (url.length() < 12) continue;
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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UTF8.getBytes(record.attribute("title", "")),
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UTF8.getBytes("Surf Tipp: " + record.attribute("description", "")),
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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(NewsPool.CATEGORY_SURFTIPP_VOTE_ADD)) {
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if (!(record.attribute("vote", "negative").equals("positive"))) continue;
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url = record.attribute("url", "");
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if (url.length() < 12) continue;
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entry = rowdef.newEntry(new byte[][]{
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url.getBytes(),
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UTF8.getBytes(record.attribute("title", "")),
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UTF8.getBytes(record.attribute("description", "")),
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UTF8.getBytes(record.attribute("refid", ""))
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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(NewsPool.CATEGORY_WIKI_UPDATE)) {
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Seed seed = sb.peers.getConnected(record.originator());
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if (seed == null) seed = sb.peers.getDisconnected(record.originator());
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if (seed != null) {
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url = "http://" + seed.getPublicAddress() + "/Wiki.html?page=" + record.attribute("page", "");
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entry = rowdef.newEntry(new byte[][]{
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UTF8.getBytes(url),
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UTF8.getBytes(record.attribute("author", "Anonymous") + ": " + record.attribute("page", "")),
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UTF8.getBytes("Wiki Update: " + record.attribute("description", "")),
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UTF8.getBytes(record.id())
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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(NewsPool.CATEGORY_BLOG_ADD)) {
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Seed seed = sb.peers.getConnected(record.originator());
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if (seed == null) seed = sb.peers.getDisconnected(record.originator());
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if (seed != null) {
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url = "http://" + seed.getPublicAddress() + "/Blog.html?page=" + record.attribute("page", "");
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entry = rowdef.newEntry(new byte[][]{
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UTF8.getBytes(url),
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UTF8.getBytes(record.attribute("author", "Anonymous") + ": " + record.attribute("page", "")),
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UTF8.getBytes("Blog Entry: " + record.attribute("subject", "")),
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UTF8.getBytes(record.id())
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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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try {
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urlhash = UTF8.String((new DigestURI(url)).hash());
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} catch (final MalformedURLException e) {
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urlhash = null;
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}
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if (urlhash == null)
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try {
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urlhash = UTF8.String((new DigestURI("http://"+url)).hash());
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} catch (final MalformedURLException e) {
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urlhash = null;
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}
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if (urlhash == null) {
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System.out.println("Surftips: bad url '" + url + "' from news record " + record.toString());
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continue;
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}
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if ((vote = 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 = 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 (surftips.containsKey(urlhash)) {
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ranking.inc(urlhash, score);
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} else {
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ranking.set(urlhash, score);
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surftips.put(urlhash, entry);
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}
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}
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}
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}
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}
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