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5f0ab25382
MultiProtocolURI during normalform computation because that should always be done and also be done during initialization of the MultiProtocolURI Object. The new normalform method takes only one argument which should be 'true' unless you know exactly what you are doing.
348 lines
17 KiB
Java
348 lines
17 KiB
Java
/**
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* Load_RSS_p
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* Copyright 2010 by Michael Peter Christen, mc@yacy.net, Frankfurt am Main, Germany
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* First released 20.08.2010 at http://yacy.net
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.text.DateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.regex.Pattern;
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import net.yacy.cora.document.Hit;
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import net.yacy.cora.document.RSSFeed;
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import net.yacy.cora.document.RSSMessage;
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import net.yacy.cora.document.RSSReader;
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import net.yacy.cora.document.UTF8;
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import net.yacy.cora.federate.yacy.CacheStrategy;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.util.SpaceExceededException;
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import net.yacy.crawler.data.CrawlQueues;
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import net.yacy.crawler.retrieval.RSSLoader;
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import net.yacy.crawler.retrieval.Response;
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import net.yacy.data.WorkTables;
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import net.yacy.document.Parser.Failure;
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import net.yacy.kelondro.blob.Tables;
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import net.yacy.kelondro.blob.Tables.Row;
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import net.yacy.kelondro.data.meta.DigestURI;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.repository.Blacklist.BlacklistType;
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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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public class Load_RSS_p {
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public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final serverObjects prop = new serverObjects();
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final Switchboard sb = (Switchboard)env;
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prop.put("showload", 0);
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prop.put("showitems", 0);
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prop.put("shownewfeeds", 0);
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prop.put("showscheduledfeeds", 0);
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prop.put("url", "");
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if (post != null && post.containsKey("removeSelectedFeedsNewList")) {
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for (final Map.Entry<String, String> entry: post.entrySet()) {
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if (entry.getValue().startsWith("mark_")) try {
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sb.tables.delete("rss", entry.getValue().substring(5).getBytes());
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} catch (final IOException e) {
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Log.logException(e);
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}
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}
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}
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if (post != null && post.containsKey("removeAllFeedsNewList")) try {
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final Iterator<Row> plainIterator = sb.tables.iterator("rss");
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Row row;
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String messageurl;
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final List<byte[]> d = new ArrayList<byte[]>();
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while (plainIterator.hasNext()) {
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row = plainIterator.next();
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if (row == null) continue;
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messageurl = row.get("url", "");
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if (messageurl.isEmpty()) continue;
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final byte[] api_pk = row.get("api_pk");
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final Row r = api_pk == null ? null : sb.tables.select("api", api_pk);
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if (r == null || !r.get("comment", "").matches(".*" + Pattern.quote(messageurl) + ".*")) {
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d.add(row.getPK());
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}
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}
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for (final byte[] pk: d) {
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sb.tables.delete("rss", pk);
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}
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} catch (final IOException e) {
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Log.logException(e);
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} catch (final SpaceExceededException e) {
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Log.logException(e);
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}
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if (post != null && post.containsKey("removeSelectedFeedsScheduler")) {
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for (final Map.Entry<String, String> entry: post.entrySet()) {
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if (entry.getValue().startsWith("mark_")) try {
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final byte[] pk = entry.getValue().substring(5).getBytes();
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final Row rssRow = sb.tables.select("rss", pk);
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final byte[] schedulerPK = rssRow.get("api_pk", (byte[]) null);
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if (schedulerPK != null) sb.tables.delete("api", schedulerPK);
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rssRow.remove("api_pk");
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sb.tables.insert("rss", pk, rssRow);
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} catch (final IOException e) {
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Log.logException(e);
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} catch (final SpaceExceededException e) {
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Log.logException(e);
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}
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}
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}
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if (post != null && post.containsKey("removeAllFeedsScheduler")) try {
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final Iterator<Row> plainIterator = sb.tables.iterator("rss");
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Row row;
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String messageurl;
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final List<byte[]> d = new ArrayList<byte[]>();
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while (plainIterator.hasNext()) {
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row = plainIterator.next();
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if (row == null) continue;
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messageurl = row.get("url", "");
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if (messageurl.isEmpty()) continue;
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final byte[] api_pk = row.get("api_pk");
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final Row r = api_pk == null ? null : sb.tables.select("api", api_pk);
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if (r != null && r.get("comment", "").matches(".*" + Pattern.quote(messageurl) + ".*")) {
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d.add(row.getPK());
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}
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}
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for (final byte[] pk: d) {
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final Row rssRow = sb.tables.select("rss", pk);
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final byte[] schedulerPK = rssRow.get("api_pk", (byte[]) null);
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if (schedulerPK != null) sb.tables.delete("api", schedulerPK);
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rssRow.remove("api_pk");
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sb.tables.insert("rss", pk, rssRow);
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}
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} catch (final IOException e) {
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Log.logException(e);
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} catch (final SpaceExceededException e) {
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Log.logException(e);
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}
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if (post != null && post.containsKey("addSelectedFeedScheduler")) {
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for (final Map.Entry<String, String> entry: post.entrySet()) {
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if (entry.getValue().startsWith("mark_")) {
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Row row;
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try {
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final byte [] pk = entry.getValue().substring(5).getBytes();
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row = sb.tables.select("rss", pk);
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} catch (final IOException e) {
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Log.logException(e);
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continue;
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} catch (final SpaceExceededException e) {
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Log.logException(e);
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continue;
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}
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DigestURI url = null;
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try {
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url = new DigestURI(row.get("url", ""));
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} catch (final MalformedURLException e) {
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Log.logWarning("Load_RSS", "malformed url '" + row.get("url", "") + "': " + e.getMessage());
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continue;
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}
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// load feeds concurrently to get better responsibility in web interface
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new RSSLoader(sb, url).start();
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}
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}
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}
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if (post == null || (post != null && (
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post.containsKey("addSelectedFeedScheduler") ||
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post.containsKey("removeSelectedFeedsNewList") ||
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post.containsKey("removeAllFeedsNewList") ||
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post.containsKey("removeSelectedFeedsScheduler") ||
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post.containsKey("removeAllFeedsScheduler")
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))) {
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try {
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// get list of primary keys from the api table with scheduled feed loading requests
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Tables.Row row;
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String messageurl;
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// check feeds
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int newc = 0, apic = 0;
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final Iterator<Row> plainIterator = sb.tables.iterator("rss");
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while (plainIterator.hasNext()) {
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row = plainIterator.next();
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if (row == null) continue;
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messageurl = row.get("url", "");
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if (messageurl.isEmpty()) continue;
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// get referrer
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final DigestURI referrer = sb.getURL(row.get("referrer", "").getBytes());
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// check if feed is registered in scheduler
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final byte[] api_pk = row.get("api_pk");
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final Row r = api_pk == null ? null : sb.tables.select("api", api_pk);
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if (r != null && r.get("comment", "").matches(".*" + Pattern.quote(messageurl) + ".*")) {
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// this is a recorded entry
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final Date date_next_exec = r.get(WorkTables.TABLE_API_COL_DATE_NEXT_EXEC, (Date) null);
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prop.put("showscheduledfeeds_list_" + apic + "_pk", UTF8.String(row.getPK()));
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prop.put("showscheduledfeeds_list_" + apic + "_count", apic);
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prop.putXML("showscheduledfeeds_list_" + apic + "_rss", messageurl);
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prop.putXML("showscheduledfeeds_list_" + apic + "_title", row.get("title", ""));
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prop.putXML("showscheduledfeeds_list_" + apic + "_referrer", referrer == null ? "#" : referrer.toNormalform(true));
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prop.put("showscheduledfeeds_list_" + apic + "_recording", DateFormat.getDateTimeInstance().format(row.get("recording_date", new Date())));
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prop.put("showscheduledfeeds_list_" + apic + "_lastload", DateFormat.getDateTimeInstance().format(row.get("last_load_date", new Date())));
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prop.put("showscheduledfeeds_list_" + apic + "_nextload", date_next_exec == null ? "" : DateFormat.getDateTimeInstance().format(date_next_exec));
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prop.put("showscheduledfeeds_list_" + apic + "_lastcount", row.get("last_load_count", 0));
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prop.put("showscheduledfeeds_list_" + apic + "_allcount", row.get("all_load_count", 0));
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prop.put("showscheduledfeeds_list_" + apic + "_updperday", row.get("avg_upd_per_day", 0));
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apic++;
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} else {
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// this is a new entry
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prop.put("shownewfeeds_list_" + newc + "_pk", UTF8.String(row.getPK()));
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prop.put("shownewfeeds_list_" + newc + "_count", newc);
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prop.putXML("shownewfeeds_list_" + newc + "_rss", messageurl);
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prop.putXML("shownewfeeds_list_" + newc + "_title", row.get("title", ""));
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prop.putXML("shownewfeeds_list_" + newc + "_referrer", referrer == null ? "" : referrer.toNormalform(true));
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prop.put("shownewfeeds_list_" + newc + "_recording", DateFormat.getDateTimeInstance().format(row.get("recording_date", new Date())));
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newc++;
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}
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if (apic > 1000 || newc > 1000) break;
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}
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prop.put("showscheduledfeeds_list" , apic);
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prop.put("showscheduledfeeds_num", apic);
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prop.put("showscheduledfeeds", apic > 0 ? apic : 0);
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prop.put("shownewfeeds_list" , newc);
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prop.put("shownewfeeds_num", newc);
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prop.put("shownewfeeds", newc > 0 ? 1 : 0);
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} catch (final IOException e) {
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Log.logException(e);
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} catch (final SpaceExceededException e) {
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Log.logException(e);
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}
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return prop;
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}
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prop.put("url", post.get("url", ""));
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int repeat_time = post.getInt("repeat_time", -1);
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final String repeat_unit = post.get("repeat_unit", "seldays"); // selminutes, selhours, seldays
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if (!"on".equals(post.get("repeat", "off")) && repeat_time > 0) repeat_time = -1;
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boolean record_api = false;
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DigestURI url = null;
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try {
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url = post.containsKey("url") ? new DigestURI(post.get("url", "")) : null;
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} catch (final MalformedURLException e) {
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Log.logWarning("Load_RSS_p", "url not well-formed: '" + post.get("url", "") + "'");
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}
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// if we have an url then try to load the rss
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RSSReader rss = null;
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if (url != null) try {
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prop.put("url", url.toNormalform(true));
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final Response response = sb.loader.load(sb.loader.request(url, true, false), CacheStrategy.NOCACHE, Integer.MAX_VALUE, BlacklistType.CRAWLER, CrawlQueues.queuedMinLoadDelay);
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final byte[] resource = response == null ? null : response.getContent();
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rss = resource == null ? null : RSSReader.parse(RSSFeed.DEFAULT_MAXSIZE, resource);
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} catch (final IOException e) {
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Log.logException(e);
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}
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// index all selected items: description only
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if (rss != null && post.containsKey("indexSelectedItemContent")) {
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final RSSFeed feed = rss.getFeed();
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loop: for (final Map.Entry<String, String> entry: post.entrySet()) {
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if (entry.getValue().startsWith("mark_")) try {
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final RSSMessage message = feed.getMessage(entry.getValue().substring(5));
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final DigestURI messageurl = new DigestURI(message.getLink());
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if (RSSLoader.indexTriggered.containsKey(messageurl.hash())) continue loop;
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if (sb.urlExists(messageurl.hash()) != null) continue loop;
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sb.addToIndex(messageurl, null, null);
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RSSLoader.indexTriggered.insertIfAbsent(messageurl.hash(), new Date());
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} catch (final IOException e) {
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Log.logException(e);
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} catch (final Failure e) {
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Log.logException(e);
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}
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}
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}
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if (rss != null && post.containsKey("indexAllItemContent")) {
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record_api = true;
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final RSSFeed feed = rss.getFeed();
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RSSLoader.indexAllRssFeed(sb, url, feed);
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}
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if (record_api && rss != null && rss.getFeed() != null && rss.getFeed().getChannel() != null) {
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// record API action
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RSSLoader.recordAPI(sb, post.get(WorkTables.TABLE_API_COL_APICALL_PK, null), url, rss.getFeed(), repeat_time, repeat_unit);
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}
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// show items from rss
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if (rss != null) {
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prop.put("showitems", 1);
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final RSSFeed feed = rss.getFeed();
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final RSSMessage channel = feed.getChannel();
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prop.putHTML("showitems_title", channel == null ? "" : channel.getTitle());
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String author = channel == null ? "" : channel.getAuthor();
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if (author == null || author.isEmpty()) author = channel == null ? "" : channel.getCopyright();
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Date pubDate = channel == null ? null : channel.getPubDate();
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prop.putHTML("showitems_author", author == null ? "" : author);
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prop.putHTML("showitems_description", channel == null ? "" : channel.getDescription());
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prop.putHTML("showitems_language", channel == null ? "" : channel.getLanguage());
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prop.putHTML("showitems_date", (pubDate == null) ? "" : DateFormat.getDateTimeInstance().format(pubDate));
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prop.putHTML("showitems_ttl", channel == null ? "" : channel.getTTL());
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prop.putHTML("showitems_docs", channel == null ? "" : channel.getDocs());
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int i = 0;
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for (final Hit item: feed) {
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try {
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final DigestURI messageurl = new DigestURI(item.getLink());
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author = item.getAuthor();
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if (author == null) author = item.getCopyright();
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pubDate = item.getPubDate();
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prop.put("showitems_item_" + i + "_state", sb.urlExists(messageurl.hash()) != null ? 2 : RSSLoader.indexTriggered.containsKey(messageurl.hash()) ? 1 : 0);
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prop.put("showitems_item_" + i + "_state_count", i);
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prop.putHTML("showitems_item_" + i + "_state_guid", item.getGuid());
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prop.putHTML("showitems_item_" + i + "_author", author == null ? "" : author);
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prop.putHTML("showitems_item_" + i + "_title", item.getTitle());
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prop.putHTML("showitems_item_" + i + "_link", messageurl.toNormalform(true));
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prop.putHTML("showitems_item_" + i + "_description", item.getDescription());
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prop.putHTML("showitems_item_" + i + "_language", item.getLanguage());
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prop.putHTML("showitems_item_" + i + "_date", (pubDate == null) ? "" : DateFormat.getDateTimeInstance().format(pubDate));
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i++;
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} catch (final MalformedURLException e) {
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Log.logException(e);
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continue;
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}
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}
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prop.put("showitems_item", i);
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prop.put("showitems_num", i);
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prop.putHTML("showitems_rss", url.toNormalform(true));
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if (i > 0) {
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prop.put("showload", 1);
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prop.put("showload_rss", url.toNormalform(true));
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}
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}
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return prop;
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}
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}
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