using precompiled CommonPattern.TAB for split

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

@@ -129,7 +129,7 @@ public class GeonamesLocation implements Locations {
                 if ( line.isEmpty() ) {
                     continue;
                 }
-                fields = line.split("\t");
+                fields = CommonPattern.TAB.split(line);
                 final long population = Long.parseLong(fields[14]);
                 if (minPopulation > 0 && population < minPopulation) continue;
                 final int geonameid = Integer.parseInt(fields[0]);

source/net/yacy/cora/util/CommonPattern.java

@@ -52,5 +52,6 @@ public class CommonPattern {
     public final static Pattern NEWLINE     = Pattern.compile("\n");
     public final static Pattern VERTICALBAR = Pattern.compile(Pattern.quote("|"));
     public final static Pattern UNDERSCORE  = Pattern.compile("_");
+    public final static Pattern TAB         = Pattern.compile("\t");
     
 }

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

@@ -112,7 +112,7 @@ public class csvParser extends AbstractParser implements Parser {
                     // try comma, semicolon and tab; take that one that results with more columns
                     final String[] colc = CommonPattern.COMMA.split(row);
                     final String[] cols = CommonPattern.SEMICOLON.split(row);
-                    final String[] colt = row.split("\t");
+                    final String[] colt = CommonPattern.TAB.split(row);
                     if (colc.length >= cols.length && colc.length >= colt.length) separator = ",";
                     if (cols.length >= colc.length && cols.length >= colt.length) separator = ";";
                     if (colt.length >= cols.length && colt.length >= colc.length) separator = "\t";