applying precompiled CommonPattern.COMMA.split to all places where

split(",") was used

htroot/ConfigNetwork_p.java

@@ -32,6 +32,7 @@ import java.util.Set;
 
 import net.yacy.cora.document.encoding.ASCII;
 import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.data.WorkTables;
 import net.yacy.kelondro.util.FileUtils;
 import net.yacy.kelondro.util.MapTools;
@@ -218,7 +219,7 @@ public class ConfigNetwork_p
     }
 
     private static String checkYaCyDomainList(final String input) {
-        final String[] array = normalizedList(input).split(",");
+        final String[] array = CommonPattern.COMMA.split(normalizedList(input));
         final StringBuilder output = new StringBuilder();
         for ( final String element : array ) {
             if ( (element.endsWith(".yacyh"))
@@ -236,7 +237,7 @@ public class ConfigNetwork_p
     }
 
     private static String checkIPPortList(final String input) {
-        final String[] array = normalizedList(input).split(",");
+        final String[] array = CommonPattern.COMMA.split(normalizedList(input));
         final StringBuilder output = new StringBuilder();
         for ( final String element : array ) {
             if ( element.indexOf(':', 0) >= 9 ) {

htroot/IndexControlRWIs_p.java

@@ -41,6 +41,7 @@ import net.yacy.cora.protocol.ClientIdentification;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.storage.HandleSet;
 import net.yacy.cora.util.ByteBuffer;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.SpaceExceededException;
 import net.yacy.data.ListManager;
@@ -374,7 +375,7 @@ public class IndexControlRWIs_p {
                         Word.commonHashOrder,
                         urlb.size());
                 if ( post.containsKey("blacklisturls") ) {
-                    final String[] supportedBlacklistTypes = env.getConfig("BlackLists.types", "").split(",");
+                    final String[] supportedBlacklistTypes = CommonPattern.COMMA.split(env.getConfig("BlackLists.types", ""));
 					DigestURL url;
 					for ( final byte[] b : urlb ) {
 					    try {

htroot/SettingsAck_p.java

@@ -264,7 +264,7 @@ public class SettingsAck_p {
             final String remoteProxyPwd = post.get("remoteProxyPwd", "");
 
             final String remoteProxyNoProxyStr = post.get("remoteProxyNoProxy", "");
-            //String[] remoteProxyNoProxyPatterns = remoteProxyNoProxyStr.split(",");
+            //String[] remoteProxyNoProxyPatterns = CommonPattern.COMMA.split(remoteProxyNoProxyStr);
 
             /* ====================================================================
              * Storing settings into config file

htroot/ViewFile.java

@@ -43,6 +43,7 @@ import net.yacy.cora.document.id.MultiProtocolURL;
 import net.yacy.cora.federate.yacy.CacheStrategy;
 import net.yacy.cora.protocol.ClientIdentification;
 import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.crawler.data.Cache;
 import net.yacy.crawler.retrieval.Response;
 import net.yacy.document.Condenser;
@@ -452,7 +453,7 @@ public class ViewFile {
         }
         words = UTF8.decodeURL(words);
         if (words.indexOf(' ',0) >= 0) return words.split(" ");
-        if (words.indexOf(',',0) >= 0) return words.split(",");
+        if (words.indexOf(',',0) >= 0) return CommonPattern.COMMA.split(words);
         if (words.indexOf('+',0) >= 0) return words.split("\\+");
         w = new String[1];
         w[0] = words;

htroot/WebStructurePicture_p.java

@@ -38,6 +38,7 @@ import net.yacy.cora.document.id.DigestURL;
 import net.yacy.cora.order.Base64Order;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.sorting.ClusteredScoreMap;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.peers.graphics.WebStructureGraph;
 import net.yacy.search.Switchboard;
@@ -112,7 +113,7 @@ public class WebStructurePicture_p {
         } else {
             // recursively find domains, up to a specific depth
             GraphPlotter graph = new GraphPlotter();
-            String[] hostlist = hosts.split(",");
+            String[] hostlist = CommonPattern.COMMA.split(hosts);
             for (int i = 0; i < hostlist.length; i++) {
                 String host = hostlist[i];
                 String hash = null;

htroot/api/feed.java

@@ -6,6 +6,7 @@ import java.util.List;
 import net.yacy.cora.document.feed.RSSFeed;
 import net.yacy.cora.document.feed.RSSMessage;
 import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.peers.EventChannel;
 import net.yacy.search.Switchboard;
 import net.yacy.server.serverObjects;
@@ -28,7 +29,7 @@ public class feed {
 
         final String channelNames = post.get("set");
         if (channelNames == null) return prop;
-        final String[] channels = channelNames.split(","); // several channel names can be given and separated by comma
+        final String[] channels = CommonPattern.COMMA.split(channelNames); // several channel names can be given and separated by comma
 
         int messageCount = 0;
         int messageMaxCount = Math.min(post.getInt("count", 100), 1000);

htroot/api/table_p.java

@@ -26,6 +26,7 @@ import java.util.regex.Pattern;
 
 import net.yacy.cora.document.encoding.UTF8;
 import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.SpaceExceededException;
 import net.yacy.kelondro.blob.Tables;
@@ -132,7 +133,7 @@ public class table_p {
 
         // if a row attribute is given
         // then order the columns according to the given order
-        final String[] row = post.get("row", "").split(",");
+        final String[] row = CommonPattern.COMMA.split(post.get("row", ""));
         for (int i = 0; i < row.length; i++) {
             if (columns.contains(row[i])) {
                 columns.remove(row[i]);

htroot/api/timeline_p.java

@@ -36,6 +36,7 @@ import java.util.TreeMap;
 import net.yacy.cora.date.GenericFormatter;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.sorting.OrderedScoreMap;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.search.EventTracker.Event;
 import net.yacy.search.EventTracker;
 import net.yacy.search.query.AccessTracker;
@@ -66,7 +67,7 @@ public final class timeline_p {
             else if (c == 'Y' || c == 'y') periodlength = p * 1000L * 60L * 60L * 24L * 365L;
             else periodlength = 0;
         }
-        final String[] data = post.get("data", "").split(",");  // a string of word hashes that shall be searched and combined
+        final String[] data = CommonPattern.COMMA.split(post.get("data", ""));  // a string of word hashes that shall be searched and combined
         Map<String, List<EventTracker.Event>> proc = new HashMap<>();
         for (String s: data) if (s.length() > 0) proc.put(s, null);
         

htroot/yacy/list.java

@@ -30,6 +30,7 @@ import java.io.File;
 
 import net.yacy.cora.protocol.HeaderFramework;
 import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.kelondro.util.FileUtils;
 import net.yacy.peers.Seed;
 import net.yacy.peers.Protocol;
@@ -72,7 +73,7 @@ public final class list {
             final StringBuilder out = new StringBuilder(10000);
 
             final String filenames=env.getConfig("BlackLists.Shared", "");
-            final String[] filenamesarray = filenames.split(",");
+            final String[] filenamesarray = CommonPattern.COMMA.split(filenames);
 
             if (filenamesarray.length > 0){
                 for (final String filename : filenamesarray) {

htroot/yacysearch.java

@@ -54,6 +54,7 @@ import net.yacy.cora.protocol.Domains;
 import net.yacy.cora.protocol.HeaderFramework;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.protocol.ResponseHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.data.BookmarksDB.Bookmark;
 import net.yacy.data.DidYouMean;
@@ -663,7 +664,7 @@ public class yacysearch {
                         && sb.peers.mySeed().getFlagAcceptRemoteIndex(),
                     false,
                     lat, lon, rad,
-                    sb.getConfig("search.navigation","").split(","));
+                    CommonPattern.COMMA.split(sb.getConfig("search.navigation","")));
             EventTracker.delete(EventTracker.EClass.SEARCH);
             EventTracker.update(EventTracker.EClass.SEARCH, new ProfilingGraph.EventSearch(
                 theQuery.id(true),

source/net/yacy/contentcontrol/SMWListSyncThread.java

@@ -8,6 +8,7 @@ import java.net.URL;
 import net.yacy.cora.document.encoding.UTF8;
 import net.yacy.cora.protocol.ClientIdentification;
 import net.yacy.cora.protocol.http.HTTPClient;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.search.Switchboard;
 
@@ -80,8 +81,8 @@ public class SMWListSyncThread {
 											+ "/format%3Dystat");
 
 							String reply = UTF8.String(new HTTPClient(ClientIdentification.yacyInternetCrawlerAgent).GETbytes(urlCount.toString(), null, null, false));
-							String overallcount = reply.split(",")[0];
+							String overallcount = CommonPattern.COMMA.split(reply)[0];
-							String lastsyncstring = reply.split(",")[1];
+							String lastsyncstring = CommonPattern.COMMA.split(reply)[1];
 							this.currentmax = Integer.parseInt(overallcount);
 
 							if (this.currentmax > 0) {

source/net/yacy/cora/federate/solr/instance/RemoteInstance.java

@@ -30,6 +30,7 @@ import java.util.Map;
 
 import net.yacy.cora.document.id.MultiProtocolURL;
 import net.yacy.cora.protocol.Domains;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.kelondro.util.MemoryControl;
 import net.yacy.search.schema.CollectionSchema;
@@ -65,7 +66,7 @@ public class RemoteInstance implements SolrInstance {
     
     public static ArrayList<RemoteInstance> getShardInstances(final String urlList, Collection<String> coreNames, String defaultCoreName, final int timeout) throws IOException {
         urlList.replace(' ', ',');
-        String[] urls = urlList.split(",");
+        String[] urls = CommonPattern.COMMA.split(urlList);
         ArrayList<RemoteInstance> instances = new ArrayList<RemoteInstance>();
         for (final String u: urls) {
             RemoteInstance instance = new RemoteInstance(u, coreNames, defaultCoreName, timeout);

source/net/yacy/cora/geo/GeonamesLocation.java

@@ -40,6 +40,7 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
 import net.yacy.cora.document.WordCache;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.StringBuilderComparator;
 
@@ -135,7 +136,7 @@ public class GeonamesLocation implements Locations {
                 locnames = new HashSet<StringBuilder>();
                 locnames.add(new StringBuilder(fields[1]));
                 locnames.add(new StringBuilder(fields[2]));
-                for ( final String s : fields[3].split(",") ) {
+                for ( final String s : CommonPattern.COMMA.split(fields[3]) ) {
                     locnames.add(new StringBuilder(s));
                 }
                 final GeoLocation c =

source/net/yacy/cora/geo/OpenGeoDBLocation.java

@@ -40,6 +40,7 @@ import java.util.TreeSet;
 import java.util.zip.GZIPInputStream;
 
 import net.yacy.cora.document.WordCache;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.StringBuilderComparator;
 
@@ -98,15 +99,14 @@ public class OpenGeoDBLocation implements Locations
                 //p = line.indexOf(' '); if (p < 0) continue;
                 if ( line.startsWith("geodb_coordinates ") ) {
                     line = line.substring(18 + 7);
-                    v = line.split(",");
+                    v = CommonPattern.COMMA.split(line);
-                    v = line.split(",");
                     lat = Float.parseFloat(v[2]);
                     lon = Float.parseFloat(v[3]);
                     this.id2loc.put(Integer.parseInt(v[0]), new GeoLocation(lat, lon));
                 }
                 if ( line.startsWith("geodb_textdata ") ) {
                     line = line.substring(15 + 7);
-                    v = line.split(",");
+                    v = CommonPattern.COMMA.split(line);
                     if ( v[1].equals("500100000") ) { // Ortsname
                         if (v.length > 10) {
                             // a ',' is probably inside the location name

source/net/yacy/cora/lod/vocabulary/Tagging.java

@@ -83,7 +83,7 @@ public class Tagging {
         }
 
         public String[] getSynonymsList() {
-            return this.synonyms.split(",");
+            return CommonPattern.COMMA.split(this.synonyms);
         }
 
         public String getObjectlink() {

source/net/yacy/cora/storage/Files.java

@@ -34,7 +34,6 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
-import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.zip.GZIPInputStream;

source/net/yacy/crawler/data/CrawlProfile.java

@@ -298,7 +298,7 @@ public class CrawlProfile extends ConcurrentHashMap<String, String> implements M
     
     public static Map<String, Pattern> collectionParser(String collectionString) {
         if (collectionString == null || collectionString.length() == 0) return new HashMap<String, Pattern>();
-        String[] cs = collectionString.split(",");
+        String[] cs = CommonPattern.COMMA.split(collectionString);
         final Map<String, Pattern> cm = new LinkedHashMap<String, Pattern>();
         for (String c: cs) {
             int p = c.indexOf(':');
@@ -390,7 +390,7 @@ public class CrawlProfile extends ConcurrentHashMap<String, String> implements M
         String countryMustMatch = get(CRAWLER_COUNTRY_MUSTMATCH);
         if (countryMustMatch == null) countryMustMatch = CrawlProfile.MATCH_NEVER_STRING;
         if (countryMustMatch.isEmpty()) return new String[0];
-        String[] list = countryMustMatch.split(",");
+        String[] list = CommonPattern.COMMA.split(countryMustMatch);
         if (list.length == 1 && list.length == 0) list = new String[0];
         return list;
     }

source/net/yacy/data/BookmarksDB.java

@@ -40,6 +40,7 @@ import net.yacy.cora.document.encoding.ASCII;
 import net.yacy.cora.document.encoding.UTF8;
 import net.yacy.cora.document.id.DigestURL;
 import net.yacy.cora.order.NaturalOrder;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.SpaceExceededException;
 import net.yacy.kelondro.blob.MapHeap;
@@ -91,7 +92,7 @@ public class BookmarksDB {
                 continue;
             }
             if (bookmark == null) continue;
-            tagArray = BookmarkHelper.cleanTagsString(bookmark.getTagsString() + bookmark.getFoldersString()).split(",");
+            tagArray = CommonPattern.COMMA.split(BookmarkHelper.cleanTagsString(bookmark.getTagsString() + bookmark.getFoldersString()));
             tag = null;
             for (final String element : tagArray) {
                 tag = getTag(BookmarkHelper.tagHash(element));
@@ -524,7 +525,7 @@ public class BookmarksDB {
         }
 
         public String getTagsString() {
-            final String s[] = ListManager.collection2string(getTags()).split(",");
+            final String s[] = CommonPattern.COMMA.split(ListManager.collection2string(getTags()));
             final StringBuilder stringBuilder = new StringBuilder();
             for (final String element : s){
                 if(!element.startsWith("/")){
@@ -536,7 +537,7 @@ public class BookmarksDB {
         }
 
         public String getFoldersString(){
-            final String s[] = ListManager.collection2string(getTags()).split(",");
+            final String s[] = CommonPattern.COMMA.split(ListManager.collection2string(getTags()));
             final StringBuilder stringBuilder = new StringBuilder();
             for (final String element : s){
                 if(element.startsWith("/")){

source/net/yacy/data/ListManager.java

@@ -33,8 +33,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import java.util.Vector;
-import java.util.regex.Pattern;
-
 import net.yacy.cora.util.CommonPattern;
 import net.yacy.kelondro.util.FileUtils;
 import net.yacy.repository.Blacklist.BlacklistType;

source/net/yacy/data/Translator.java

@@ -46,6 +46,7 @@ import java.util.Set;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.kelondro.util.FileUtils;
 import net.yacy.kelondro.util.Formatter;
@@ -222,12 +223,12 @@ public class Translator {
     }
 
     public static Map<String, String> langMap(@SuppressWarnings("unused") final serverSwitch env) {
-        final String[] ms = (
+        final String[] ms = CommonPattern.COMMA.split(
             "default/English,de/Deutsch,fr/Fran&ccedil;ais,nl/Nederlands,it/Italiano,es/Espa&ntilde;ol,pt/Portug&ecirc;s,fi/Suomi,se/Svenska,dk/Dansk," +
             "gr/E&lambda;&lambda;&eta;v&iota;&kappa;&alpha;,sk/Slovensky,cn/&#27721;&#35821;/&#28450;&#35486;," +
             "ru/&#1056;&#1091;&#1089;&#1089;&#1082;&#1080;&#1081;,uk/&#1059;&#1082;&#1088;&#1072;&#1111;&#1085;&#1089;&#1100;&#1082;&#1072;," + 
             "hi/&#2361;&#2367;&#2344;&#2381;&#2342;&#2368;"
-            ).split(",");
+            );
         final Map<String, String> map = new HashMap<String, String>();
         for (final String element : ms) {
             int p = element.indexOf('/');

source/net/yacy/document/Condenser.java

@@ -49,6 +49,7 @@ import net.yacy.cora.document.id.MultiProtocolURL;
 import net.yacy.cora.federate.solr.Ranking;
 import net.yacy.cora.language.synonyms.SynonymLibrary;
 import net.yacy.cora.lod.vocabulary.Tagging;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.document.language.Identificator;
 import net.yacy.document.parser.html.ImageEntry;
@@ -474,7 +475,7 @@ public final class Condenser {
             for (int i = 0; i <= 15; i++) {
                 sb.append('"');
                 final String s = p.getProperty("keywords" + i);
-                final String[] l = s.split(",");
+                final String[] l = CommonPattern.COMMA.split(s);
                 for (final String element : l) {
                     sb.append(ASCII.String(Word.word2hash(element)));
                 }

source/net/yacy/document/TextParser.java

@@ -36,6 +36,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import net.yacy.cora.document.encoding.UTF8;
 import net.yacy.cora.document.id.AnchorURL;
 import net.yacy.cora.document.id.MultiProtocolURL;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.document.parser.apkParser;
 import net.yacy.document.parser.audioTagParser;
 import net.yacy.document.parser.bzipParser;
@@ -464,7 +465,7 @@ public final class TextParser {
     public static void setDenyMime(final String denyList) {
         denyMime.clear();
         String n;
-        for (final String s: denyList.split(",")) {
+        for (final String s: CommonPattern.COMMA.split(denyList)) {
             n = normalizeMimeType(s);
             if (n != null && n.length() > 0) denyMime.put(n, v);
         }
@@ -485,7 +486,7 @@ public final class TextParser {
 
     public static void setDenyExtension(final String denyList) {
         denyExtensionx.clear();
-        for (final String s: denyList.split(",")) denyExtensionx.put(s, v);
+        for (final String s: CommonPattern.COMMA.split(denyList)) denyExtensionx.put(s, v);
     }
 
     public static String getDenyExtension() {

source/net/yacy/document/parser/csvParser.java

@@ -34,6 +34,7 @@ import java.util.Date;
 import java.util.List;
 
 import net.yacy.cora.document.id.AnchorURL;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.document.AbstractParser;
 import net.yacy.document.Document;
 import net.yacy.document.Parser;
@@ -109,7 +110,7 @@ public class csvParser extends AbstractParser implements Parser {
                 if (row.isEmpty()) continue;
                 if (separator == null) {
                     // try comma, semicolon and tab; take that one that results with more columns
-                    final String[] colc = row.split(",");
+                    final String[] colc = CommonPattern.COMMA.split(row);
                     final String[] cols = row.split(";");
                     final String[] colt = row.split("\t");
                     if (colc.length >= cols.length && colc.length >= colt.length) separator = ",";

source/net/yacy/document/parser/docParser.java

@@ -31,6 +31,7 @@ import java.io.InputStream;
 import java.util.Date;
 
 import net.yacy.cora.document.id.AnchorURL;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.document.AbstractParser;
 import net.yacy.document.Document;
 import net.yacy.document.Parser;
@@ -90,7 +91,7 @@ public class docParser extends AbstractParser implements Parser {
         final String keywords = extractor.getSummaryInformation().getKeywords();
         final String[] keywlist;
         if (keywords != null && !keywords.isEmpty()) {
-            keywlist = keywords.split(",");
+            keywlist = CommonPattern.COMMA.split(keywords);
         } else {
             keywlist = null;
         }

source/net/yacy/document/parser/images/genericImageParser.java

@@ -58,7 +58,6 @@ import net.yacy.document.parser.images.bmpParser.IMAGEMAP;
 import net.yacy.kelondro.util.FileUtils;
 
 import com.drew.imaging.jpeg.JpegMetadataReader;
-import com.drew.imaging.jpeg.JpegProcessingException;
 import com.drew.lang.GeoLocation;
 import com.drew.metadata.Directory;
 import com.drew.metadata.Metadata;

source/net/yacy/document/parser/pptParser.java

@@ -32,6 +32,7 @@ import java.io.InputStream;
 import java.util.Date;
 
 import net.yacy.cora.document.id.AnchorURL;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.document.AbstractParser;
 import net.yacy.document.Document;
@@ -82,7 +83,7 @@ public class pptParser extends AbstractParser implements Parser {
             final String keywords = pptExtractor.getSummaryInformation().getKeywords();
             final String[] keywlist;
             if (keywords != null && !keywords.isEmpty()) {
-               keywlist = keywords.split(",");
+               keywlist = CommonPattern.COMMA.split(keywords);
             } else keywlist = null;
 
             /*

source/net/yacy/migration.java

@@ -37,11 +37,9 @@ import net.yacy.search.Switchboard;
 import net.yacy.search.SwitchboardConstants;
 
 import com.google.common.io.Files;
-import net.yacy.cora.lod.vocabulary.Tagging;
 import net.yacy.cora.protocol.TimeoutRequest;
 import net.yacy.cora.storage.Configuration.Entry;
 import net.yacy.cora.util.ConcurrentLog;
-import net.yacy.document.LibraryProvider;
 import net.yacy.kelondro.workflow.BusyThread;
 import net.yacy.search.schema.CollectionConfiguration;
 import net.yacy.search.schema.CollectionSchema;

source/net/yacy/peers/Protocol.java

@@ -83,6 +83,7 @@ import net.yacy.cora.sorting.ClusteredScoreMap;
 import net.yacy.cora.sorting.ReversibleScoreMap;
 import net.yacy.cora.storage.HandleSet;
 import net.yacy.cora.util.ByteBuffer;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.JSONArray;
 import net.yacy.cora.util.JSONException;
@@ -258,7 +259,7 @@ public final class Protocol {
             final String myIP = result.get("yourip");
             // with the IPv6 extension, this may contain several ips, separated by comma ','
             HashSet<String> h = new HashSet<>();
-            for (String s: myIP.split(",")) {
+            for (String s: CommonPattern.COMMA.split(myIP)) {
                 if (s.length() > 0 && Seed.isProperIP(s)) h.add(s);
             }
             if (h.size() > 0) mySeed.setIPs(h);
@@ -907,7 +908,7 @@ public final class Protocol {
                     this.indexabstract.put(UTF8.getBytes(entry.getKey().substring(14)), entry.getValue());
                 }
             }
-            this.references = resultMap.get("references").split(",");
+            this.references = CommonPattern.COMMA.split(resultMap.get("references"));
             this.links = new ArrayList<URIMetadataNode>(this.availableCount);
             for ( int n = 0; n < this.availableCount; n++ ) {
                 // get one single search result
@@ -1323,7 +1324,7 @@ public final class Protocol {
             return null;
         } // all url's known, we are ready here
 
-        final String[] uhs = uhss.split(",");
+        final String[] uhs = CommonPattern.COMMA.split(uhss);
         if ( uhs.length == 0 ) {
             return null;
         } // all url's known

source/net/yacy/peers/SeedDB.java

@@ -50,6 +50,7 @@ import net.yacy.cora.protocol.Domains;
 import net.yacy.cora.protocol.HeaderFramework;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.protocol.http.HTTPClient;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.SpaceExceededException;
 import net.yacy.kelondro.blob.MapDataMining;
@@ -356,7 +357,7 @@ public final class SeedDB implements AlternativeDomainNames {
     	// address has therefore the form
     	// address    ::= (<peername>'.yacy'|<peerhexhash>'.yacyh'){'='<ip>{':'<port}}
     	// clusterdef ::= {address}{','address}*
-    	final String[] addresses = (clusterdefinition.isEmpty()) ? new String[0] : clusterdefinition.split(",");
+    	final String[] addresses = (clusterdefinition.isEmpty()) ? new String[0] : CommonPattern.COMMA.split(clusterdefinition);
     	final TreeSet<byte[]> clustermap = new TreeSet<>(Base64Order.enhancedCoder);
     	Seed seed;
     	String hash, yacydom;

source/net/yacy/repository/BlacklistFile.java

@@ -30,6 +30,7 @@ import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Set;
 
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.repository.Blacklist.BlacklistType;
 
 public class BlacklistFile {
@@ -52,7 +53,7 @@ public class BlacklistFile {
      * @return unified String array of file names
      */
     public Set<String> getFileNamesUnified() {
-        return new HashSet<String>(Arrays.asList(this.filename.split(",")));
+        return new HashSet<String>(Arrays.asList(CommonPattern.COMMA.split(this.filename)));
     }
     
     public BlacklistType getType() { return this.type; }

source/net/yacy/search/Switchboard.java

@@ -114,6 +114,7 @@ import net.yacy.cora.protocol.TimeoutRequest;
 import net.yacy.cora.protocol.ftp.FTPClient;
 import net.yacy.cora.protocol.http.HTTPClient;
 import net.yacy.cora.protocol.http.ProxySettings;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.Memory;
 import net.yacy.crawler.CrawlStacker;
@@ -3846,7 +3847,7 @@ public final class Switchboard extends serverSwitch {
 
         // determining addresses for which the remote proxy should not be used
         final String remoteProxyNoProxy = getConfig("remoteProxyNoProxy", "").trim();
-        ProxySettings.noProxy = remoteProxyNoProxy.split(",");
+        ProxySettings.noProxy = CommonPattern.COMMA.split(remoteProxyNoProxy);
         // trim split entries
         int i = 0;
         for ( final String pattern : ProxySettings.noProxy ) {

source/net/yacy/search/ranking/RankingProfile.java

@@ -32,6 +32,7 @@ import java.util.Map;
 
 import net.yacy.cora.document.analysis.Classification;
 import net.yacy.cora.document.analysis.Classification.ContentDomain;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.NumberTools;
 
@@ -133,7 +134,7 @@ public class RankingProfile {
                 profile = profile.substring(1, profile.length() - 1);
             }
             profile = profile.trim();
-            if (profile.indexOf('&') > 0) elts = profile.split("&"); else elts = profile.split(",");
+            if (profile.indexOf('&') > 0) elts = profile.split("&"); else elts = CommonPattern.COMMA.split(profile);
             int p;
             final int s = (prefix == null) ? 0 : prefix.length();
             String e;

source/net/yacy/server/http/HTTPDFileHandler.java

@@ -60,6 +60,7 @@ package net.yacy.server.http;
 import java.io.File;
 
 import net.yacy.cora.document.analysis.Classification;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.search.Switchboard;
 import net.yacy.search.SwitchboardConstants;
@@ -109,7 +110,7 @@ public final class HTTPDFileHandler {
 
     public static final void initDefaultPath() {
         // create default files array
-        defaultFiles = switchboard.getConfig(SwitchboardConstants.BROWSER_DEFAULT,"index.html").split(",");
+        defaultFiles = CommonPattern.COMMA.split(switchboard.getConfig(SwitchboardConstants.BROWSER_DEFAULT,"index.html"));
         if (defaultFiles.length == 0) defaultFiles = new String[] {"index.html"};
         indexForward = switchboard.getConfig(SwitchboardConstants.INDEX_FORWARD, "");
         if (indexForward.startsWith("/")) indexForward = indexForward.substring(1);