fix Column parsing from celldefinition string, without cellwidth def.

(outofbound exception)

source/net/yacy/kelondro/index/Column.java

@@ -62,6 +62,11 @@ public final class Column implements Cloneable, Serializable {
         this.description = description;
     }
 
+    /**
+     * Create column from definiton string
+     *
+     * @param celldef syntax: "celltype cellname-cellwidth {encoder} \"descripton\""
+     */
     public Column(String celldef) {
         // define column with column syntax
         // example: <UDate-3>
@@ -127,8 +132,8 @@ public final class Column implements Cloneable, Serializable {
                 this.nickname = celldef;
                 celldef = "";
             } else {
-                this.nickname = celldef.substring(0, p);
-                celldef = celldef.substring(q + 1);
+                this.nickname = celldef.substring(0, q);
+                celldef = celldef.substring(q + 1).trim();
             }
         } else {
             this.nickname = celldef.substring(0, p);

test/java/net/yacy/kelondro/index/ColumnTest.java

@@ -0,0 +1,55 @@
+/**
+ *  ColumnTest.java
+ *  part of YaCy
+ *  Copyright 2016 by reger24; https://github.com/reger24
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program in the file lgpl21.txt
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+package net.yacy.kelondro.index;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ * Unit tests for ColumnTest class.
+ */
+public class ColumnTest {
+
+
+    /**
+     * Test of cell definition parsing and cellwidth assignment, of class Column.
+     */
+    @Test
+    public void testCellWidth() {
+        // test cell definition
+        // key=definition string, value= expected cellwidth
+        Map<String, Integer> testcelldefs = new HashMap<String, Integer>();
+        testcelldefs.put("long countA {b256}", 8); // simple
+        testcelldefs.put("long countB-8 {b256}",8); // redundant cellwidth
+        testcelldefs.put("long countC   {b256}", 8); // spaces between definition
+        testcelldefs.put("long countD {b256} \"Description\"", 8);
+        testcelldefs.put("<long countE {b256} \"Description\">", 8);
+        testcelldefs.put("int icountA  {b256}", 4);
+
+        for (String celldef:testcelldefs.keySet()) {
+            Column col = new Column(celldef);
+            Integer expectedCellWidth = testcelldefs.get(celldef);
+            assertEquals (celldef,expectedCellWidth.intValue(), col.cellwidth);
+        }
+    }
+
+}