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import java.util.Date;
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import java.util.Iterator;
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import net.yacy.cora.date.ISO8601Formatter;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.data.BookmarkHelper;
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import net.yacy.data.BookmarksDB;
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import net.yacy.data.UserDB;
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import net.yacy.document.parser.html.CharacterCoding;
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import net.yacy.http.servlets.YaCyDefaultServlet;
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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 get_bookmarks {
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private static final serverObjects prop = new serverObjects();
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private static Switchboard sb = null;
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private static UserDB.Entry user = null;
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private static boolean isAdmin = false;
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private static int R = 1; // TODO: solve the recursion problem an remove global variable
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/*
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private final static int SORT_ALPHA = 1;
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private final static int SORT_SIZE = 2;
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private final static int SHOW_ALL = -1;
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*/
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private final static int MAXRESULTS = 10000;
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// file types and display types
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private enum DisplayType {
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XML(0), // .xml
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XHTML(0), // .html (.xml)
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JSON(0), // .json
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FLEXIGRID(1), // .json .xml
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XBEL(2), // .xml
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RSS(3), // .xml (.rss)
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RDF(4); // .xml
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private final int value;
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DisplayType(final int value) {
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this.value = value;
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}
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int getValue() {
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return this.value;
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}
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}
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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prop.clear();
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sb = (Switchboard) env;
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user = sb.userDB.getUser(header);
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isAdmin = (sb.verifyAuthentication(header) || user != null && user.hasRight(UserDB.AccessRight.BOOKMARK_RIGHT));
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// set user name
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final String username;
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if(user != null) username=user.getUserName();
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else if(isAdmin) username="admin";
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else username = "unknown";
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prop.putHTML("display_user", username);
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// set peer address base : used in get_bookmarks.xml to render the absolute API link URL
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prop.put("display_address", YaCyDefaultServlet.getContext(header, sb));
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prop.put("display_peer", sb.peers.mySeed().getName());
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final int itemsPerPage; // items per page
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final int page; // page
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final int display; // default for JSON, XML or XHTML
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// String sortorder = "asc";
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// String sortname = "date";
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final String qtype;
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final String query;
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// check for GET parameters
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if (post != null){
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itemsPerPage = (post.containsKey("rp")) ? post.getInt("rp", MAXRESULTS) : MAXRESULTS;
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page = (post.containsKey("page")) ? post.getInt("page", 1): 1;
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query = (post.containsKey("query")) ? post.get("query", "") : "";
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qtype = (post.containsKey("qtype")) ? post.get("qtype", "") : "";
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// if (post.containsKey("sortorder")) sortorder = post.get("sortorder");
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if (post.containsKey("display")) {
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final String d = post.get("display");
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if ("flexigrid".equals(d) || "1".equals(d)) {
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display = DisplayType.FLEXIGRID.getValue();
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} else if ("xbel".equals(d) || "2".equals(d)) {
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display = DisplayType.XBEL.getValue();
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} else if ("rss".equals(d) || "3".equals(d)) {
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display = DisplayType.RSS.getValue();
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} else {
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display = DisplayType.XML.getValue();
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}
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} else {
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display = DisplayType.XML.getValue();
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}
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prop.put("display", display);
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} else {
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query = "";
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qtype = "";
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page = 1;
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itemsPerPage = MAXRESULTS;
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display = DisplayType.XML.getValue();
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}
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int count = 0;
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int total = 0;
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int start = 0;
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final Iterator<String> it;
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if (display == DisplayType.XBEL.getValue()) {
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String root = "/";
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if ("tags".equals(qtype) && !"".equals(query)) {
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prop.putHTML("display_folder", "1");
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prop.putHTML("display_folder_foldername", query);
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prop.putHTML("display_folder_folderhash", BookmarkHelper.tagHash(query));
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it = sb.bookmarksDB.getBookmarksIterator(query, isAdmin);
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count = print_XBEL(it, count);
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prop.put("display_xbel", count);
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} else if (query.length() > 0 && "folders".equals(qtype)) {
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root = (query.charAt(0) == '/') ? query : "/" + query;
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}
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prop.putHTML("display_folder", "0");
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R = root.replaceAll("[^/]","").length() - 1;
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count = recurseFolders(BookmarkHelper.getFolderList(root, sb.bookmarksDB.getTagIterator(isAdmin)),root,0,true,"");
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prop.put("display_xbel", count);
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} else {
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// covers all non XBEL formats
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// set bookmark iterator according to query
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if ("tags".equals(qtype) && !"".equals(query) && !"/".equals(query)) {
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it = sb.bookmarksDB.getBookmarksIterator(query, isAdmin);
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} else {
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it = sb.bookmarksDB.getBookmarksIterator(isAdmin);
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}
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if (itemsPerPage < MAXRESULTS) {
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//skip the first entries (display next page)
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if (page > 1) {
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start = ((page - 1) * itemsPerPage) + 1;
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}
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count = 0;
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while (count < start && it.hasNext()) {
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it.next();
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count++;
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}
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total += count;
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}
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count = 0;
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while (count < itemsPerPage && it.hasNext()) {
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BookmarksDB.Bookmark bookmark = sb.bookmarksDB.getBookmark(it.next());
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if (bookmark != null) {
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prop.put("display_bookmarks_"+count+"_id",count);
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prop.put("display_bookmarks_"+count+"_link",bookmark.getUrl());
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prop.put("display_bookmarks_"+count+"_date", ISO8601Formatter.FORMATTER.format(new Date(bookmark.getTimeStamp())));
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prop.put("display_bookmarks_"+count+"_rfc822date", HeaderFramework.formatRFC1123(new Date(bookmark.getTimeStamp())));
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prop.put("display_bookmarks_"+count+"_public", (bookmark.getPublic() ? "0" : "1"));
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prop.put("display_bookmarks_"+count+"_hash", bookmark.getUrlHash());
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prop.put("display_bookmarks_"+count+"_comma", ",");
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// offer HTML encoded
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prop.putHTML("display_bookmarks_"+count+"_title-html", bookmark.getTitle());
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prop.putHTML("display_bookmarks_"+count+"_desc-html", bookmark.getDescription());
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prop.putHTML("display_bookmarks_"+count+"_tags-html", bookmark.getTagsString().replaceAll(",", ", "));
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prop.putHTML("display_bookmarks_"+count+"_folders-html", (bookmark.getFoldersString()));
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// XML encoded
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prop.putXML("display_bookmarks_"+count+"_title-xml", bookmark.getTitle());
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prop.putXML("display_bookmarks_"+count+"_desc-xml", bookmark.getDescription());
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prop.putXML("display_bookmarks_"+count+"_tags-xml", bookmark.getTagsString());
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prop.putXML("display_bookmarks_"+count+"_folders-xml", (bookmark.getFoldersString()));
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// and plain text (potentially unsecure)
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prop.put("display_bookmarks_"+count+"_title", bookmark.getTitle());
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prop.put("display_bookmarks_"+count+"_desc", bookmark.getDescription());
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prop.put("display_bookmarks_"+count+"_tags", bookmark.getTagsString());
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prop.put("display_bookmarks_"+count+"_folders", (bookmark.getFoldersString()));
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count++;
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}
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}
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// eliminate the trailing comma for Json output
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prop.put("display_bookmarks_" + (itemsPerPage - 1) + "_comma", "");
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prop.put("display_bookmarks", count);
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while(it.hasNext()){
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it.next();
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count++;
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}
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total += count;
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prop.put("display_page", page);
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prop.put("display_total", total);
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}
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// return rewrite properties
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return prop;
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}
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private static int recurseFolders(final Iterator<String> it, String root, int count, final boolean next, final String prev){
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String fn="";
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if (next) fn = it.next();
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else fn = prev;
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if ("\uffff".equals(fn)) {
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int i = prev.replaceAll("[^/]","").length() - R;
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while (i > 0) {
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prop.put("display_xbel_"+count+"_elements", "</folder>");
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count++;
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i--;
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}
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return count;
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}
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if (fn.startsWith(("/".equals(root) ? root : root + "/"))) {
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prop.put("display_xbel_"+count+"_elements", "<folder id=\""+BookmarkHelper.tagHash(fn)+"\">");
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count++;
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final String title = fn; // just to make sure fn stays untouched
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prop.put("display_xbel_"+count+"_elements", "<title>" + CharacterCoding.unicode2xml(title.replaceAll("(/.[^/]*)*/", ""), true) + "</title>");
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count++;
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final Iterator<String> bit=sb.bookmarksDB.getBookmarksIterator(fn, isAdmin);
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count = print_XBEL(bit, count);
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if (it.hasNext()) {
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count = recurseFolders(it, fn, count, true, fn);
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}
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} else {
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if (count > 0) {
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prop.put("display_xbel_"+count+"_elements", "</folder>");
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count++;
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}
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root = root.replaceAll("(/.[^/]*$)", "");
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if ("".equals(root)) {
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root = "/";
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}
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count = recurseFolders(it, root, count, false, fn);
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}
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return count;
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}
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private static int print_XBEL(final Iterator<String> bit, int count) {
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Date date;
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while(bit.hasNext()){
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BookmarksDB.Bookmark bookmark = sb.bookmarksDB.getBookmark(bit.next());
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if (bookmark != null) {
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date = new Date(bookmark.getTimeStamp());
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prop.put("display_xbel_"+count+"_elements", "<bookmark id=\"" + bookmark.getUrlHash()
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+ "\" href=\"" + CharacterCoding.unicode2xml(bookmark.getUrl(), true)
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+ "\" added=\"" + CharacterCoding.unicode2xml(ISO8601Formatter.FORMATTER.format(date), true)+"\">");
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count++;
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prop.put("display_xbel_"+count+"_elements", "<title>");
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count++;
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prop.putXML("display_xbel_"+count+"_elements", bookmark.getTitle());
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count++;
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prop.put("display_xbel_"+count+"_elements", "</title>");
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count++;
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prop.put("display_xbel_"+count+"_elements", "<info>");
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count++;
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prop.put("display_xbel_"+count+"_elements", "<metadata owner=\"Mozilla\" ShortcutURL=\""
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+ CharacterCoding.unicode2xml(bookmark.getTagsString().replaceAll("/.*,", "").toLowerCase(), true)
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+ "\"/>");
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count++;
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prop.put("display_xbel_"+count+"_elements", "<metadata owner=\"YaCy\" public=\""+Boolean.toString(bookmark.getPublic())+"\"/>");
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count++;
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prop.put("display_xbel_"+count+"_elements", "</info>");
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count++;
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prop.put("display_xbel_"+count+"_elements", "<desc>");
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count++;
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prop.putXML("display_xbel_"+count+"_elements", bookmark.getDescription());
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count++;
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prop.put("display_xbel_"+count+"_elements", "</desc>");
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count++;
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prop.put("display_xbel_"+count+"_elements", "</bookmark>");
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count++;
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}
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}
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return count;
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}
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}
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