mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
343 lines
15 KiB
Java
343 lines
15 KiB
Java
// TransNews_p.java
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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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// published on http://yacy.net
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//
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// This file is contributed by Burkhard Buelte
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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.io.File;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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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.cora.util.SpaceExceededException;
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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.search.Switchboard;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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import net.yacy.utils.crypt;
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import net.yacy.utils.translation.TranslationManager;
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import net.yacy.utils.translation.TranslatorXliff;
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public class TransNews_p {
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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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String currentlang = sb.getConfig("locale.language", "default");
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prop.put("currentlang", currentlang);
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if ("default".equals(currentlang) || "browser".equals(currentlang)) {
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prop.put("errmsg", 1); // msg: activate diff lng
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prop.put("transsize", 0);
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return prop;
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} else {
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prop.put("errmsg", 0);
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}
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TranslationManager transMgr = new TranslationManager();
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File locallangFile = transMgr.getScratchFile(new File(currentlang + ".lng"));
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Map<String, Map<String, String>> localTrans = transMgr.loadTranslationsLists(locallangFile);
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// calculate size of local translations list
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int size = 0;
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for (Map<String, String> lst : localTrans.values()) {
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size += lst.size();
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}
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prop.put("transsize", size);
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// read voting
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if ((post != null) && post.containsKey("publishtranslation")) {
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Iterator<String> filenameit = localTrans.keySet().iterator();
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while (filenameit.hasNext()) {
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String file = filenameit.next();
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Map<String, String> tmptrans = localTrans.get(file);
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for (String sourcetxt : tmptrans.keySet()) {
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String targettxt = tmptrans.get(sourcetxt);
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if (targettxt != null && !targettxt.isEmpty()) {
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boolean sendit = true;
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// check if already published (in newsPool)
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Iterator<NewsDB.Record> it = sb.peers.newsPool.recordIterator(NewsPool.INCOMING_DB);
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while (it.hasNext()) {
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NewsDB.Record rtmp = it.next();
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if (rtmp == null) {
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continue;
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}
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if (NewsPool.CATEGORY_TRANSLATION_ADD.equals(rtmp.category())) {
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//String tmplng = rtmp.attribute("language", null);
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String tmpfile = rtmp.attribute("file", null);
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String tmpsource = rtmp.attribute("source", null);
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String tmptarget = rtmp.attribute("target", null);
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if (sb.peers.mySeed().hash.equals(rtmp.originator())) {
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/*
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if (tmplng != null && tmplng.equals(currentlang)) {
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sendit = false;
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break;
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}*/
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if (tmpfile != null && tmpfile.equals(file)) {
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sendit = false;
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break;
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}
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if (tmpsource != null && tmpsource.equals(sourcetxt)) {
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sendit = false;
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break;
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}
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if (tmptarget != null && tmptarget.equals(targettxt)) {
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sendit = false;
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break;
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}
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}
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// if news with file and source exist (maybe from other peer) - skip sending another msg (to avoid confusion)
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if ((tmpfile != null && tmpfile.equals(file))
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&& (tmpsource != null && tmpsource.equals(sourcetxt))) {
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sendit = false;
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break;
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}
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}
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}
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if (sendit) {
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final HashMap<String, String> map = new HashMap<String, String>();
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map.put("language", currentlang);
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map.put("file", file);
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map.put("source", sourcetxt);
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map.put("target", targettxt);
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sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), NewsPool.CATEGORY_TRANSLATION_ADD, map);
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}
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}
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}
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}
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}
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String refid;
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if ((post != null) && ((refid = post.get("voteNegative", null)) != null)) {
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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("language", currentlang);
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map.put("file", crypt.simpleDecode(post.get("filename", "")));
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map.put("source", crypt.simpleDecode(post.get("source", "")));
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map.put("target", crypt.simpleDecode(post.get("target", "")));
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map.put("vote", "negative");
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map.put("refid", refid);
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sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), NewsPool.CATEGORY_TRANSLATION_VOTE_ADD, map);
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try {
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sb.peers.newsPool.moveOff(NewsPool.INCOMING_DB, refid);
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} catch (IOException | SpaceExceededException ex) {
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}
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}
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}
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if ((post != null) && ((refid = post.get("votePositive", null)) != null)) {
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final String filename = post.get("filename");
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File lngfile = new File(sb.getAppPath("locale.source", "locales"), currentlang + ".lng");
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transMgr = new TranslationManager(lngfile); // load full language for check if entry is new (globally)
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if (transMgr.addTranslation(filename, post.get("source"), post.get("target"))) {
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// add to local translation extension
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transMgr.addTranslation(localTrans, filename, post.get("source"), post.get("target"));
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transMgr.saveAsLngFile(currentlang, locallangFile, localTrans); // save local-trans to local-file
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transMgr.translateFile(filename); // ad-hoc translate file with new/added text
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} // TODO: shall we post voting if translation is not new ?
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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("language", currentlang);
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map.put("file", crypt.simpleDecode(filename));
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map.put("source", crypt.simpleDecode(post.get("source", "")));
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map.put("target", crypt.simpleDecode(post.get("target", "")));
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map.put("vote", "positive");
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map.put("refid", refid);
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sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), NewsPool.CATEGORY_TRANSLATION_VOTE_ADD, map);
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try {
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sb.peers.newsPool.moveOff(NewsPool.INCOMING_DB, refid);
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} catch (IOException | SpaceExceededException ex) {
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}
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}
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// create Translation voting list
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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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final ScoreMap<String> ranking = new ConcurrentScoreMap<String>(); // score cluster for url hashes
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final HashMap<String, NewsDB.Record> Translation = new HashMap<String, NewsDB.Record>(); // a mapping from an url hash to a kelondroRow.Entry with display properties
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accumulateTranslations(sb, Translation, ranking, negativeHashes, positiveHashes, NewsPool.INCOMING_DB);
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// read out translation-news 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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NewsDB.Record row;
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String filename;
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String source;
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String target;
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while (k.hasNext()) {
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refid = k.next();
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if (refid == null) {
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continue;
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}
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row = Translation.get(refid);
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if (row == null) {
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continue;
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}
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String lang = row.attribute("language", null);
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filename = row.attribute("file", null);
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source = row.attribute("source", null);
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target = row.attribute("target", null);
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if ((lang == null) || (filename == null) || (source == null) || (target == null)) {
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continue;
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}
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String existingtarget = null; //transMgr.getTranslation(filename, source);
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Map<String, String> tmpMap = localTrans.get(filename);
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if (tmpMap != null) {
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existingtarget = tmpMap.get(source);
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}
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boolean altexist = existingtarget != null && !target.isEmpty() && !existingtarget.isEmpty() && !existingtarget.equals(target);
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prop.put("results_" + i + "_refid", refid);
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prop.put("results_" + i + "_url", filename); // url to local file
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prop.put("results_" + i + "_targetlanguage", lang);
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prop.put("results_" + i + "_filename", filename);
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prop.putHTML("results_" + i + "_source", source);
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prop.putHTML("results_" + i + "_target", target);
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prop.put("results_" + i + "_existing", altexist);
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prop.putHTML("results_" + i + "_existing_target", existingtarget);
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prop.put("results_" + i + "_score", ranking.get(refid));
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prop.put("results_" + i + "_peername", sb.peers.get(row.originator()).getName());
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i++;
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if (i >= 50) {
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break;
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}
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}
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prop.put("results", i);
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return prop;
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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 newsrecord;
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final Iterator<NewsDB.Record> recordIterator = sb.peers.newsPool.recordIterator(dbtype);
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int j = 0;
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while ((recordIterator.hasNext()) && (j++ < maxCount)) {
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newsrecord = recordIterator.next();
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if (newsrecord == null) {
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continue;
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}
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if (newsrecord.category().equals(NewsPool.CATEGORY_TRANSLATION_VOTE_ADD)) {
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final String refid = newsrecord.attribute("refid", "");
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final String vote = newsrecord.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(refid);
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if (i == null) {
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negativeHashes.put(refid, Integer.valueOf(factor));
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} else {
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negativeHashes.put(refid, Integer.valueOf(i.intValue() + factor));
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}
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}
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if (vote.equals("positive")) {
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final Integer i = positiveHashes.get(refid);
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if (i == null) {
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positiveHashes.put(refid, Integer.valueOf(factor));
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} else {
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positiveHashes.put(refid, 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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}
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private static void accumulateTranslations(
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final Switchboard sb,
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final HashMap<String, NewsDB.Record> translationmsg, final ScoreMap<String> ranking,
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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 newsrecord;
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final Iterator<NewsDB.Record> recordIterator = sb.peers.newsPool.recordIterator(dbtype);
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int j = 0;
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String refid = "";
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String targetlanguage ="";
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String filename="";
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String source="";
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String target="";
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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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newsrecord = recordIterator.next();
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if (newsrecord == null) {
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continue;
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}
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if ((newsrecord.category().equals(NewsPool.CATEGORY_TRANSLATION_ADD))
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&& ((sb.peers.get(newsrecord.originator())) != null)) {
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refid = newsrecord.id();
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targetlanguage = newsrecord.attribute("language", "");
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filename = newsrecord.attribute("file", "");
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source = newsrecord.attribute("source", "");
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target = newsrecord.attribute("target", "");
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if (refid.isEmpty() || targetlanguage.isEmpty() || filename.isEmpty() || source.isEmpty() || target.isEmpty()) {
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continue;
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}
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score = 0;
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}
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// add/subtract votes and write record
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if ((vote = negativeHashes.get(refid)) != null) {
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score -= vote.intValue();
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}
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if ((vote = positiveHashes.get(refid)) != null) {
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score += vote.intValue();
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}
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// consider double-entries
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if (translationmsg.containsKey(refid)) {
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ranking.inc(refid, score);
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} else {
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ranking.set(refid, score);
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translationmsg.put(refid, newsrecord);
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}
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}
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}
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}
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