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555 lines
22 KiB
555 lines
22 KiB
// YMarkTables.java
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// (C) 2011 by Stefan Förster, sof@gmx.de, Norderstedt, Germany
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// first published 2010 on http://yacy.net
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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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package net.yacy.data.ymark;
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.EnumMap;
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import java.util.HashSet;
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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.TreeMap;
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import java.util.TreeSet;
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import java.util.concurrent.ConcurrentHashMap;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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import net.yacy.cora.document.encoding.ASCII;
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import net.yacy.cora.document.id.DigestURL;
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import net.yacy.cora.protocol.ClientIdentification;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.cora.util.SpaceExceededException;
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import net.yacy.data.WorkTables;
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import net.yacy.document.Document;
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import net.yacy.document.Parser.Failure;
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import net.yacy.kelondro.blob.TableColumnIndexException;
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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.blob.TablesColumnIndex;
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import net.yacy.repository.LoaderDispatcher;
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public class YMarkTables {
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public static enum TABLES {
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BOOKMARKS ("_bookmarks"),
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TAGS ("_tags"),
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FOLDERS ("_folders");
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private String basename;
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private TABLES(final String b) {
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this.basename = b;
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}
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public String basename() {
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return this.basename;
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}
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public String tablename(final String bmk_user) {
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return bmk_user+this.basename;
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}
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}
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public static enum PROTOCOLS {
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HTTP ("http://"),
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HTTPS ("https://");
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private String protocol;
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private PROTOCOLS(final String s) {
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this.protocol = s;
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}
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public String protocol() {
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return this.protocol;
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}
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public String protocol(final String s) {
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return this.protocol+s;
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}
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}
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public final static String FOLDERS_ROOT = "/";
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public final static String BOOKMARKS_LOG = "BOOKMARKS";
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public final static String USER_ADMIN = "admin";
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public final static String USER_AUTHENTICATE_MSG = "Bookmark user authentication required!";
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public final static int BUFFER_LENGTH = 256;
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private final WorkTables worktables;
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private final Map<String, ChangeListener> progressListeners;
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public boolean dirty = false;
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public YMarkTables(final Tables wt) {
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this.worktables = (WorkTables)wt;
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this.progressListeners = new ConcurrentHashMap<String, ChangeListener>();
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this.buildIndex();
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}
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public ChangeListener getProgressListener(String thread) {
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final ChangeListener l = new ProgressListener();
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this.progressListeners.put(thread, l);
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return l;
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}
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public void removeProgressListener(String thread) {
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this.progressListeners.remove(thread);
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}
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public class ProgressListener implements ChangeListener {
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// the progress in %
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private int progress = 0;
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@Override
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public void stateChanged(ChangeEvent e) {
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final MonitoredReader mreader = (MonitoredReader)e.getSource();
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this.progress = (int)((mreader.getProgress() / mreader.maxProgress())*100);
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}
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public int progress() {
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return this.progress;
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}
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}
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public void buildIndex() {
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final Iterator<String> iter = this.worktables.iterator();
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while(iter.hasNext()) {
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final String bmk_table = iter.next();
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if(bmk_table.endsWith(TABLES.BOOKMARKS.basename())) {
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try {
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final long time = System.currentTimeMillis();
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final TablesColumnIndex index = this.worktables.getIndex(bmk_table);
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if(index.getType() == TablesColumnIndex.INDEXTYPE.RAM || index.size() == 0) {
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ConcurrentLog.info(YMarkTables.BOOKMARKS_LOG, "buildIndex() "+YMarkEntry.BOOKMARK.indexColumns().keySet().toString());
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index.buildIndex(YMarkEntry.BOOKMARK.indexColumns(), this.worktables.iterator(bmk_table));
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ConcurrentLog.info(YMarkTables.BOOKMARKS_LOG, "build "+index.getType().name()+" index for columns "+YMarkEntry.BOOKMARK.indexColumns().keySet().toString()
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+" of table "+bmk_table+" containing "+this.worktables.size(bmk_table)+ " bookmarks"
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+" ("+(System.currentTimeMillis()-time)+"ms)");
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}
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} catch (final IOException e) {
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ConcurrentLog.logException(e);
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} catch (final TableColumnIndexException e) {
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// currently nothing to do...
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}
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}
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}
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}
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public void deleteBookmark(final String bmk_user, final byte[] urlHash) throws IOException, SpaceExceededException {
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final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
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Tables.Row bmk_row = null;
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bmk_row = this.worktables.select(bmk_table, urlHash);
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if(bmk_row != null) {
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this.worktables.delete(bmk_table,urlHash);
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}
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if(this.worktables.hasIndex(bmk_table, YMarkEntry.BOOKMARK.FOLDERS.key())) {
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try {
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this.worktables.getIndex(bmk_table).delete(urlHash);
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} catch (final TableColumnIndexException e) {
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// currently nothing to do...
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}
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}
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}
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public void deleteBookmark(final String bmk_user, final String url) throws IOException, SpaceExceededException {
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final byte[] urlHash = YMarkUtil.getBookmarkId(url);
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this.deleteBookmark(bmk_user, urlHash);
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}
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public TreeMap<String, YMarkTag> getTags(final Iterator<Row> rowIterator) {
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final TreeMap<String,YMarkTag> tags = new TreeMap<String,YMarkTag>();
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Tables.Row bmk_row = null;
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Iterator<String> tit = null;
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String tag;
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while(rowIterator.hasNext()) {
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bmk_row = rowIterator.next();
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if(bmk_row.containsKey(YMarkEntry.BOOKMARK.TAGS.key())) {
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tit = YMarkUtil.keysStringToSet(bmk_row.get(YMarkEntry.BOOKMARK.TAGS.key(), YMarkEntry.BOOKMARK.TAGS.deflt())).iterator();
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while(tit.hasNext()) {
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tag = tit.next();
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if(tags.containsKey(tag)) {
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tags.get(tag).inc();
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} else {
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tags.put(tag, new YMarkTag(tag));
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}
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}
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}
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}
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return tags;
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}
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public TreeMap<String, YMarkTag> getTags(final String bmk_user) throws IOException {
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final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
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final TreeMap<String,YMarkTag> tags = new TreeMap<String,YMarkTag>();
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if(this.worktables.hasIndex(bmk_table, YMarkEntry.BOOKMARK.TAGS.key())) {
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try {
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final TablesColumnIndex index = this.worktables.getIndex(bmk_table);
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final Iterator<String> iter = index.keySet(YMarkEntry.BOOKMARK.TAGS.key()).iterator();
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while(iter.hasNext()) {
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final String tag = iter.next();
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tags.put(tag, new YMarkTag(tag, index.get(YMarkEntry.BOOKMARK.TAGS.key(), tag).size()));
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}
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return tags;
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} catch (final Exception e) {
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// nothing to do
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}
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}
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return getTags(this.worktables.iterator(bmk_table));
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}
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public TreeSet<String> getFolders(final String bmk_user, String root) throws IOException {
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final TreeSet<String> folders = new TreeSet<String>();
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final StringBuilder path = new StringBuilder(BUFFER_LENGTH);
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final String r = root + YMarkUtil.FOLDERS_SEPARATOR;
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final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
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// if exists, try the index first
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if(this.worktables.hasIndex(bmk_table, YMarkEntry.BOOKMARK.FOLDERS.key())) {
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TablesColumnIndex index;
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try {
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index = this.worktables.getIndex(bmk_table);
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final Iterator<String> fiter = index.keySet(YMarkEntry.BOOKMARK.FOLDERS.key()).iterator();
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while(fiter.hasNext()) {
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final String folder = fiter.next();
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if(folder.startsWith(r)) {
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path.setLength(0);
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path.append(folder);
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while(path.length() > 0 && !path.toString().equals(root)){
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final String p = path.toString();
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if(folders.isEmpty() || !p.equals(folders.floor(p))) {
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folders.add(p);
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}
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path.setLength(path.lastIndexOf(YMarkUtil.FOLDERS_SEPARATOR));
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}
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}
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}
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if (!root.equals(YMarkTables.FOLDERS_ROOT)) { folders.add(root); }
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return folders;
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} catch (final Exception e) {
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ConcurrentLog.logException(e);
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}
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}
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// by default iterate all bookmarks and extract folder information
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final Iterator<Tables.Row> bit = this.worktables.iterator(bmk_table);
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Tables.Row bmk_row = null;
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while(bit.hasNext()) {
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bmk_row = bit.next();
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if(bmk_row.containsKey(YMarkEntry.BOOKMARK.FOLDERS.key())) {
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final String[] folderArray = YMarkUtil.TAGS_SEPARATOR_PATTERN.split(new String(bmk_row.get(YMarkEntry.BOOKMARK.FOLDERS.key()),"UTF8"));
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for (final String folder : folderArray) {
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if(folder.length() > root.length() && folder.substring(0, root.length()+1).equals(r)) {
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if(!folders.contains(folder)) {
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path.setLength(0);
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path.append(folder);
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//TODO: get rid of .toString.equals()
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while(path.length() > 0 && !path.toString().equals(root)){
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folders.add(path.toString());
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path.setLength(path.lastIndexOf(YMarkUtil.FOLDERS_SEPARATOR));
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}
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}
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}
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}
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}
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}
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if (!root.equals(YMarkTables.FOLDERS_ROOT)) { folders.add(root); }
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return folders;
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}
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public int getSize(final String bmk_user) throws IOException {
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final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
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return this.worktables.size(bmk_table);
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}
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public Iterator<Tables.Row> getBookmarksByFolder(final String bmk_user, final String foldersString) {
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final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
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return this.worktables.getByIndex(bmk_table, YMarkEntry.BOOKMARK.FOLDERS.key(), YMarkEntry.BOOKMARK.FOLDERS.seperator(), foldersString);
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}
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public Iterator<Tables.Row> getBookmarksByTag(final String bmk_user, final String tagsString) {
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final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
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return this.worktables.getByIndex(bmk_table, YMarkEntry.BOOKMARK.TAGS.key(), YMarkEntry.BOOKMARK.TAGS.seperator(), tagsString);
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}
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public List<Row> orderBookmarksBy(final Iterator<Row> rowIterator, final String sortname, final String sortorder) {
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final List<Row> sortList = new ArrayList<Row>();
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Row row;
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while (rowIterator.hasNext()) {
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row = rowIterator.next();
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if(row != null)
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sortList.add(row);
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}
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Collections.sort(sortList, new TablesRowComparator(sortname, sortorder));
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return sortList;
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}
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public void addTags(final String bmk_user, final String url, final String tagString, final boolean merge) throws IOException {
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if(!tagString.isEmpty()) {
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// do not set defaults as we only want to update tags
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final YMarkEntry bmk = new YMarkEntry(false);
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bmk.put(YMarkEntry.BOOKMARK.URL.key(), url);
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bmk.put(YMarkEntry.BOOKMARK.TAGS.key(), YMarkUtil.cleanTagsString(tagString));
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addBookmark(bmk_user, bmk, merge, true);
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}
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this.dirty = true;
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}
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public void replaceTags(final Iterator<Row> rowIterator, final String bmk_user, final String tagString, final String replaceString) throws IOException {
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final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
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final HashSet<String> remove = YMarkUtil.keysStringToSet(YMarkUtil.cleanTagsString(tagString.toLowerCase()));
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final StringBuilder t = new StringBuilder(200);
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HashSet<String> tags;
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Row row;
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while (rowIterator.hasNext()) {
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row = rowIterator.next();
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if(row != null) {
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tags = YMarkUtil.keysStringToSet(row.get(YMarkEntry.BOOKMARK.TAGS.key(), YMarkEntry.BOOKMARK.TAGS.deflt()).toLowerCase());
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tags.removeAll(remove);
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t.append(YMarkUtil.keySetToString(tags));
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}
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t.append(YMarkUtil.TAGS_SEPARATOR);
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t.append(replaceString);
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row.put(YMarkEntry.BOOKMARK.TAGS.key(), YMarkUtil.cleanTagsString(t.toString()));
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this.worktables.update(bmk_table, row);
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if(this.worktables.hasIndex(bmk_table)) {
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try {
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this.worktables.getIndex(bmk_table).update(YMarkEntry.BOOKMARK.TAGS.key(), YMarkEntry.BOOKMARK.TAGS.seperator(), row);
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} catch (final Exception e) {
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// nothing to do
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}
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}
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}
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this.dirty = true;
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}
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public void addFolder(final String bmk_user, final String url, final String folder) throws IOException {
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if(!folder.isEmpty()) {
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// do not set defaults as we only want to add a folder
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final YMarkEntry bmk = new YMarkEntry(false);
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bmk.put(YMarkEntry.BOOKMARK.URL.key(), url);
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bmk.put(YMarkEntry.BOOKMARK.FOLDERS.key(), folder);
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addBookmark(bmk_user, bmk, true, true);
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}
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}
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public void visited(final String bmk_user, final String url) throws IOException {
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// do not set defaults
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final YMarkEntry bmk = new YMarkEntry(false);
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bmk.put(YMarkEntry.BOOKMARK.URL.key(), url);
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bmk.put(YMarkEntry.BOOKMARK.DATE_VISITED.key(), (new YMarkDate()).toString());
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addBookmark(bmk_user, bmk, true, true);
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}
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public void createBookmark(final LoaderDispatcher loader, final String url, final ClientIdentification.Agent agent, final String bmk_user, final boolean autotag, final String tagsString, final String foldersString) throws IOException, Failure {
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createBookmark(loader, new DigestURL(url), agent, bmk_user, autotag, tagsString, foldersString);
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}
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public void createBookmark(final LoaderDispatcher loader, final DigestURL url, final ClientIdentification.Agent agent, final String bmk_user, final boolean autotag, final String tagsString, final String foldersString) throws IOException, Failure {
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final YMarkEntry bmk_entry = new YMarkEntry(false);
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final YMarkMetadata meta = new YMarkMetadata(url);
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final Document document = meta.loadDocument(loader, agent);
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final EnumMap<YMarkMetadata.METADATA, String> metadata = meta.loadMetadata();
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final String urls = url.toNormalform(true);
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bmk_entry.put(YMarkEntry.BOOKMARK.URL.key(), urls);
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if(!this.worktables.has(YMarkTables.TABLES.BOOKMARKS.tablename(bmk_user), YMarkUtil.getBookmarkId(urls))) {
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bmk_entry.put(YMarkEntry.BOOKMARK.PUBLIC.key(), "false");
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bmk_entry.put(YMarkEntry.BOOKMARK.TITLE.key(), metadata.get(YMarkMetadata.METADATA.TITLE));
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bmk_entry.put(YMarkEntry.BOOKMARK.DESC.key(), metadata.get(YMarkMetadata.METADATA.DESCRIPTION));
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}
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final String fs = YMarkUtil.cleanFoldersString(foldersString);
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if(fs.isEmpty())
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bmk_entry.put(YMarkEntry.BOOKMARK.FOLDERS.key(), YMarkEntry.BOOKMARK.FOLDERS.deflt());
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else
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bmk_entry.put(YMarkEntry.BOOKMARK.FOLDERS.key(), fs);
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final StringBuilder strb = new StringBuilder();
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if(autotag) {
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final String autotags = YMarkAutoTagger.autoTag(document, 3, this.worktables.bookmarks.getTags(bmk_user));
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strb.append(autotags);
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}
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if(!tagsString.isEmpty()) {
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strb.append(YMarkUtil.TAGS_SEPARATOR);
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strb.append(tagsString);
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}
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bmk_entry.put(YMarkEntry.BOOKMARK.TAGS.key(),YMarkUtil.cleanTagsString(strb.toString()));
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this.worktables.bookmarks.addBookmark(bmk_user, bmk_entry, true, true);
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}
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/**
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* Create YMark bookmark from a loaded document
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* this is identical to {@link #createBookmark(net.yacy.repository.LoaderDispatcher, net.yacy.cora.document.id.DigestURL, net.yacy.cora.protocol.ClientIdentification.Agent, java.lang.String, boolean, java.lang.String, java.lang.String) }
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* without try calling a loader
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*
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* @param document to create the YMark bookmark for
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* @param bmk_user
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* @param autotag
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* @param tagsString
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* @param foldersString
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* @throws IOException
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* @throws net.yacy.document.Parser.Failure
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*/
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public void createBookmark(final Document document, final String bmk_user, final boolean autotag, final String tagsString, final String foldersString) throws IOException, Failure {
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if (document != null) {
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final YMarkEntry bmk_entry = new YMarkEntry(false);
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final YMarkMetadata meta = new YMarkMetadata(document);
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final EnumMap<YMarkMetadata.METADATA, String> metadata = meta.loadMetadata();
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final String urls = document.dc_identifier();
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bmk_entry.put(YMarkEntry.BOOKMARK.URL.key(), urls);
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if (!this.worktables.has(YMarkTables.TABLES.BOOKMARKS.tablename(bmk_user), YMarkUtil.getBookmarkId(urls))) {
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bmk_entry.put(YMarkEntry.BOOKMARK.PUBLIC.key(), "false");
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bmk_entry.put(YMarkEntry.BOOKMARK.TITLE.key(), metadata.get(YMarkMetadata.METADATA.TITLE));
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bmk_entry.put(YMarkEntry.BOOKMARK.DESC.key(), metadata.get(YMarkMetadata.METADATA.DESCRIPTION));
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}
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final String fs = YMarkUtil.cleanFoldersString(foldersString);
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if (fs.isEmpty())
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bmk_entry.put(YMarkEntry.BOOKMARK.FOLDERS.key(), YMarkEntry.BOOKMARK.FOLDERS.deflt());
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else
|
|
bmk_entry.put(YMarkEntry.BOOKMARK.FOLDERS.key(), fs);
|
|
final StringBuilder strb = new StringBuilder();
|
|
if (autotag) {
|
|
final String autotags = YMarkAutoTagger.autoTag(document, 3, this.worktables.bookmarks.getTags(bmk_user));
|
|
strb.append(autotags);
|
|
}
|
|
if (!tagsString.isEmpty()) {
|
|
strb.append(YMarkUtil.TAGS_SEPARATOR);
|
|
strb.append(tagsString);
|
|
}
|
|
bmk_entry.put(YMarkEntry.BOOKMARK.TAGS.key(), YMarkUtil.cleanTagsString(strb.toString()));
|
|
this.worktables.bookmarks.addBookmark(bmk_user, bmk_entry, true, true);
|
|
}
|
|
}
|
|
|
|
public boolean hasBookmark(final String bmk_user, final String urlhash) {
|
|
final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
|
|
try {
|
|
return this.worktables.has(bmk_table, ASCII.getBytes(urlhash));
|
|
} catch (final IOException e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public void addBookmark(final String bmk_user, final YMarkEntry bmk, final boolean mergeTags, final boolean mergeFolders) throws IOException {
|
|
final String bmk_table = TABLES.BOOKMARKS.tablename(bmk_user);
|
|
final String date = String.valueOf(System.currentTimeMillis());
|
|
byte[] urlHash = null;
|
|
try {
|
|
urlHash = YMarkUtil.getBookmarkId(bmk.get(YMarkEntry.BOOKMARK.URL.key()));
|
|
} catch (final MalformedURLException e) {
|
|
ConcurrentLog.info("BOOKMARKIMPORT", "invalid url: "+bmk.get(YMarkEntry.BOOKMARK.URL.key()));
|
|
}
|
|
Tables.Row bmk_row = null;
|
|
|
|
if (urlHash != null) {
|
|
try {
|
|
bmk_row = this.worktables.select(bmk_table, urlHash);
|
|
} catch (final Exception e) {
|
|
|
|
}
|
|
if (bmk_row == null) {
|
|
// create and insert new entry
|
|
if(!bmk.containsKey(YMarkEntry.BOOKMARK.DATE_ADDED.key())) {
|
|
bmk.put(YMarkEntry.BOOKMARK.DATE_ADDED.key(), date);
|
|
bmk.put(YMarkEntry.BOOKMARK.DATE_MODIFIED.key(), date);
|
|
}
|
|
this.worktables.insert(bmk_table, urlHash, bmk.getData());
|
|
try {
|
|
if(this.worktables.hasIndex(bmk_table))
|
|
this.worktables.getIndex(bmk_table).add(YMarkEntry.BOOKMARK.indexColumns(), bmk, urlHash);
|
|
} catch (final Exception e) {
|
|
// nothing to do
|
|
}
|
|
} else {
|
|
// modify and update existing entry
|
|
HashSet<String> oldSet;
|
|
HashSet<String> newSet;
|
|
|
|
for (final YMarkEntry.BOOKMARK b : YMarkEntry.BOOKMARK.values()) {
|
|
switch(b) {
|
|
case DATE_ADDED:
|
|
if(!bmk_row.containsKey(b.key()))
|
|
bmk_row.put(b.key(), date);
|
|
break;
|
|
case DATE_MODIFIED:
|
|
bmk_row.put(b.key(), date);
|
|
break;
|
|
case TAGS:
|
|
oldSet = YMarkUtil.keysStringToSet(bmk_row.get(b.key(),b.deflt()));
|
|
if(bmk.containsKey(b.key())) {
|
|
newSet = YMarkUtil.keysStringToSet(bmk.get(b.key()));
|
|
if(mergeTags) {
|
|
newSet.addAll(oldSet);
|
|
if(newSet.size() > 1 && newSet.contains(YMarkEntry.BOOKMARK.TAGS.deflt()))
|
|
newSet.remove(YMarkEntry.BOOKMARK.TAGS.deflt());
|
|
bmk_row.put(b.key(), YMarkUtil.keySetToString(newSet));
|
|
} else {
|
|
bmk_row.put(b.key(), bmk.get(b.key()));
|
|
}
|
|
} else {
|
|
bmk_row.put(b.key(), bmk_row.get(b.key(), b.deflt()));
|
|
}
|
|
break;
|
|
case FOLDERS:
|
|
oldSet = YMarkUtil.keysStringToSet(bmk_row.get(b.key(),b.deflt()));
|
|
if(bmk.containsKey(b.key())) {
|
|
newSet = YMarkUtil.keysStringToSet(bmk.get(b.key()));
|
|
if(mergeFolders) {
|
|
newSet.addAll(oldSet);
|
|
if(newSet.size() > 1 && newSet.contains(YMarkEntry.BOOKMARK.FOLDERS.deflt()))
|
|
newSet.remove(YMarkEntry.BOOKMARK.FOLDERS.deflt());
|
|
bmk_row.put(b.key(), YMarkUtil.keySetToString(newSet));
|
|
} else {
|
|
bmk_row.put(b.key(), bmk.get(b.key()));
|
|
}
|
|
} else {
|
|
bmk_row.put(b.key(), bmk_row.get(b.key(), b.deflt()));
|
|
}
|
|
break;
|
|
default:
|
|
if(bmk.containsKey(b.key())) {
|
|
bmk_row.put(b.key(), bmk.get(b.key()));
|
|
} else {
|
|
bmk_row.put(b.key(), bmk_row.get(b.key(), b.deflt()));
|
|
}
|
|
}
|
|
}
|
|
// update bmk_table
|
|
this.worktables.update(bmk_table, bmk_row);
|
|
try {
|
|
if(this.worktables.hasIndex(bmk_table))
|
|
this.worktables.getIndex(bmk_table).update(YMarkEntry.BOOKMARK.indexColumns(), bmk_row);
|
|
} catch (final Exception e) {
|
|
// nothing to do
|
|
}
|
|
}
|
|
|
|
this.dirty = true;
|
|
}
|
|
}
|
|
}
|
|
|