mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
c12bb8a6d0
- added a protection against memory leaks for the access tracker git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5621 6c8d7289-2bf4-0310-a012-ef5d649a1542
281 lines
13 KiB
Java
281 lines
13 KiB
Java
//sharedBlacklist_p.java
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//-----------------------
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//part of the AnomicHTTPProxy
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//(C) by Michael Peter Christen; mc@yacy.net
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//first published on http://www.anomic.de
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//Frankfurt, Germany, 2004
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//This File is contributed by Alexander Schier
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//$LastChangedDate$
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//$LastChangedRevision$
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//$LastChangedBy$
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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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//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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//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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//You must compile this file with
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//javac -classpath .:../Classes Blacklist_p.java
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//if the shell's current path is HTROOT
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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import de.anomic.crawler.HTTPLoader;
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import de.anomic.data.listManager;
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import de.anomic.htmlFilter.htmlFilterCharacterCoding;
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import de.anomic.http.httpClient;
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import de.anomic.http.httpRequestHeader;
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import de.anomic.index.indexAbstractReferenceBlacklist;
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import de.anomic.kelondro.util.FileUtils;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacySeed;
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import de.anomic.yacy.yacyURL;
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public class sharedBlacklist_p {
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public static final int STATUS_NONE = 0;
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public static final int STATUS_ENTRIES_ADDED = 1;
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public static final int STATUS_FILE_ERROR = 2;
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public static final int STATUS_PEER_UNKNOWN = 3;
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public static final int STATUS_URL_PROBLEM = 4;
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public static final int STATUS_WRONG_INVOCATION = 5;
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private final static String BLACKLIST_FILENAME_FILTER = "^.*\\.black$";
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public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
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final plasmaSwitchboard sb = (plasmaSwitchboard) env;
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// return variable that accumulates replacements
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final serverObjects prop = new serverObjects();
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// getting the name of the destination blacklist
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String selectedBlacklistName = "";
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if( post != null && post.containsKey("currentBlacklist") ){
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selectedBlacklistName = post.get("currentBlacklist");
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}else{
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selectedBlacklistName = "shared.black";
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}
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prop.putHTML("currentBlacklist", selectedBlacklistName);
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prop.putHTML("page_target", selectedBlacklistName);
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if (post != null) {
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// initialize the list manager
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listManager.switchboard = (plasmaSwitchboard) env;
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listManager.listsPath = new File(listManager.switchboard.getRootPath(),listManager.switchboard.getConfig("listManager.listsPath", "DATA/LISTS"));
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// loading all blacklist files located in the directory
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final List<String> dirlist = listManager.getDirListing(listManager.listsPath, BLACKLIST_FILENAME_FILTER);
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// List BlackLists
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int blacklistCount = 0;
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if (dirlist != null) {
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for (String element : dirlist) {
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prop.putXML("page_blackLists_" + blacklistCount + "_name", element);
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blacklistCount++;
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}
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}
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prop.put("page_blackLists", blacklistCount);
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List<String> otherBlacklist = null;
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if (post.containsKey("hash")) {
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/* ======================================================
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* Import blacklist from other peer
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* ====================================================== */
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// getting the source peer hash
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final String Hash = post.get("hash");
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// generate the download URL
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String downloadURLOld = null;
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if( sb.webIndex.seedDB != null ){ //no nullpointer error..
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final yacySeed seed = sb.webIndex.seedDB.getConnected(Hash);
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if (seed != null) {
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final String IP = seed.getIP();
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final String Port = seed.get(yacySeed.PORT, "8080");
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final String peerName = seed.get(yacySeed.NAME, "<" + IP + ":" + Port + ">");
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prop.putHTML("page_source", peerName);
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downloadURLOld = "http://" + IP + ":" + Port + "/yacy/list.html?col=black";
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} else {
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prop.put("status", STATUS_PEER_UNKNOWN);//YaCy-Peer not found
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prop.putHTML("status_name", Hash);
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prop.put("page", "1");
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}
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} else {
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prop.put("status", STATUS_PEER_UNKNOWN);//YaCy-Peer not found
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prop.putHTML("status_name", Hash);
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prop.put("page", "1");
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}
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if (downloadURLOld != null) {
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// download the blacklist
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try {
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final httpRequestHeader reqHeader = new httpRequestHeader();
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reqHeader.put(httpRequestHeader.PRAGMA,"no-cache");
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reqHeader.put(httpRequestHeader.CACHE_CONTROL,"no-cache");
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reqHeader.put(httpRequestHeader.USER_AGENT, HTTPLoader.yacyUserAgent);
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// get List
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yacyURL u = new yacyURL(downloadURLOld, null);
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otherBlacklist = FileUtils.strings(httpClient.wget(u.toString(), reqHeader, 1000), "UTF-8");
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} catch (final Exception e) {
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prop.put("status", STATUS_PEER_UNKNOWN);
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prop.putHTML("status_name", Hash);
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prop.put("page", "1");
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}
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}
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} else if (post.containsKey("url")) {
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/* ======================================================
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* Download the blacklist from URL
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* ====================================================== */
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final String downloadURL = post.get("url");
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prop.putHTML("page_source", downloadURL);
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try {
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final yacyURL u = new yacyURL(downloadURL, null);
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final httpRequestHeader reqHeader = new httpRequestHeader();
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reqHeader.put(httpRequestHeader.USER_AGENT, HTTPLoader.yacyUserAgent);
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otherBlacklist = FileUtils.strings(httpClient.wget(u.toString(), reqHeader, 10000), "UTF-8"); //get List
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} catch (final Exception e) {
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prop.put("status", STATUS_URL_PROBLEM);
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prop.putHTML("status_address",downloadURL);
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prop.put("page", "1");
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}
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} else if (post.containsKey("file")) {
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/* ======================================================
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* Import the blacklist from file
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* ====================================================== */
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final String sourceFileName = post.get("file");
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prop.putHTML("page_source", sourceFileName);
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final String fileString = post.get("file$file");
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if (fileString != null) {
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try {
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otherBlacklist = FileUtils.strings(fileString.getBytes("UTF-8"), "UTF-8");
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} catch (IOException ex) {
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prop.put("status", STATUS_FILE_ERROR);
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}
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}
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} else if (post.containsKey("add")) {
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/* ======================================================
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* Add loaded items into blacklist file
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* ====================================================== */
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prop.put("page", "1"); //result page
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prop.put("status", STATUS_ENTRIES_ADDED); //list of added Entries
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int count = 0;//couter of added entries
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PrintWriter pw = null;
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try {
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// open the blacklist file
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pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, selectedBlacklistName), true));
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// loop through the received entry list
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final int num = Integer.parseInt( post.get("num") );
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for(int i=0;i < num; i++){
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if( post.containsKey("item" + i) ){
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String newItem = post.get("item" + i);
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//This should not be needed...
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if ( newItem.startsWith("http://") ){
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newItem = newItem.substring(7);
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}
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// separate the newItem into host and path
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int pos = newItem.indexOf("/");
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if (pos < 0) {
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// add default empty path pattern
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pos = newItem.length();
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newItem = newItem + "/.*";
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}
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// append the item to the file
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pw.println(newItem);
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count++;
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if (plasmaSwitchboard.urlBlacklist != null) {
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final String supportedBlacklistTypesStr = indexAbstractReferenceBlacklist.BLACKLIST_TYPES_STRING;
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final String[] supportedBlacklistTypes = supportedBlacklistTypesStr.split(",");
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",selectedBlacklistName)) {
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plasmaSwitchboard.urlBlacklist.add(supportedBlacklistTypes[blTypes],newItem.substring(0, pos), newItem.substring(pos + 1));
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}
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}
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}
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}
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}
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} catch (final Exception e) {
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prop.put("status", "1");
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prop.putHTML("status_error", e.getLocalizedMessage());
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} finally {
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if (pw != null) try { pw.close(); } catch (final Exception e){ /* */}
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}
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/* unable to use prop.putHTML() or prop.putXML() here because they
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* turn the ampersand into & which renders the parameters
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* useless (at least when using Opera 9.53, haven't tested other browsers)
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*/
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prop.put("LOCATION","Blacklist_p.html?selectedListName=" + htmlFilterCharacterCoding.unicode2html(selectedBlacklistName, true) + "&selectList=select");
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return prop;
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}
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// generate the html list
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if (otherBlacklist != null) {
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// loading the current blacklist content
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final HashSet<String> Blacklist = new HashSet<String>(listManager.getListArray(new File(listManager.listsPath, selectedBlacklistName)));
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// sort the loaded blacklist
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final String[] sortedlist = otherBlacklist.toArray(new String[otherBlacklist.size()]);
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Arrays.sort(sortedlist);
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int count = 0;
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for(int i = 0; i < sortedlist.length; i++){
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final String tmp = sortedlist[i];
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if( !Blacklist.contains(tmp) && (!tmp.equals("")) ){
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//newBlacklist.add(tmp);
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prop.put("page_urllist_" + count + "_dark", count % 2 == 0 ? "0" : "1");
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prop.putHTML("page_urllist_" + count + "_url", tmp);
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prop.put("page_urllist_" + count + "_count", count);
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count++;
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}
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}
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prop.put("page_urllist", (count));
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prop.put("num", count);
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prop.put("page", "0");
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}
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} else {
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prop.put("page", "1");
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prop.put("status", "5");//Wrong Invokation
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}
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return prop;
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}
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}
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