diff --git a/common/source/java/ch/systemsx/cisd/common/collections/CollectionStyle.java b/common/source/java/ch/systemsx/cisd/common/collections/CollectionStyle.java
index 35783b9113a57124686f748c5ceba8834ec17812..f3a4787a8efedfe61dd5dfa1e701eb3e34f9129b 100644
--- a/common/source/java/ch/systemsx/cisd/common/collections/CollectionStyle.java
+++ b/common/source/java/ch/systemsx/cisd/common/collections/CollectionStyle.java
@@ -24,8 +24,7 @@ package ch.systemsx.cisd.common.collections;
 public enum CollectionStyle
 {
     /** Default <code>CollectionStyle</code>. */
-    DEFAULT_COLLECTION_STYLE("[", "]", ", "), NO_BOUNDARY_COLLECTION_STYLE("", "", ", "),
-    NICE_COLLECTION_STYLE("'", "'", "', '");
+    DEFAULT("[", "]", ", "), NO_BOUNDARY("", "", ", "), SINGLE_QUOTE_BOUNDARY("'", "'", "', '");
 
     private final String collectionStart;
 
diff --git a/common/source/java/ch/systemsx/cisd/common/collections/CollectionUtils.java b/common/source/java/ch/systemsx/cisd/common/collections/CollectionUtils.java
index 1d627dcc727fc4c9e05f204416be2eddf8a291e6..8eddbfee82e8b3e7fdd5edc1485f82eb2ef36e54 100644
--- a/common/source/java/ch/systemsx/cisd/common/collections/CollectionUtils.java
+++ b/common/source/java/ch/systemsx/cisd/common/collections/CollectionUtils.java
@@ -36,7 +36,7 @@ public final class CollectionUtils
      * Abbreviates a given array of <code>Object</code>.
      * <p>
      * By default it shows the number of items left,
-     * {@link CollectionStyle#DEFAULT_COLLECTION_STYLE} and {@link ToStringDefaultConverter} are
+     * {@link CollectionStyle#DEFAULT} and {@link ToStringDefaultConverter} are
      * used.
      * </p>
      * 
@@ -52,7 +52,7 @@ public final class CollectionUtils
      * Abbreviates a given <code>Collection</code>.
      * <p>
      * By default it shows the number of items left,
-     * {@link CollectionStyle#DEFAULT_COLLECTION_STYLE} and {@link ToStringDefaultConverter} are
+     * {@link CollectionStyle#DEFAULT} and {@link ToStringDefaultConverter} are
      * used.
      * </p>
      * 
@@ -107,7 +107,7 @@ public final class CollectionUtils
             final IToStringConverter<? super T> converter)
     {
         return abbreviate(collection, maxLength, converter,
-                CollectionStyle.DEFAULT_COLLECTION_STYLE);
+                CollectionStyle.DEFAULT);
     }
 
     /**
@@ -128,7 +128,7 @@ public final class CollectionUtils
     /**
      * Abbreviates a given array of <code>Object</code>.
      * <p>
-     * By default {@link CollectionStyle#DEFAULT_COLLECTION_STYLE} and
+     * By default {@link CollectionStyle#DEFAULT} and
      * {@link ToStringDefaultConverter} are used.
      * </p>
      * 
@@ -144,7 +144,7 @@ public final class CollectionUtils
     /**
      * Abbreviates a given <code>Collection</code>.
      * <p>
-     * By default {@link CollectionStyle#DEFAULT_COLLECTION_STYLE} and
+     * By default {@link CollectionStyle#DEFAULT} and
      * {@link ToStringDefaultConverter} are used.
      * </p>
      * 
@@ -160,7 +160,7 @@ public final class CollectionUtils
     /**
      * Abbreviates a given array of <code>Object</code>.
      * <p>
-     * By default {@link CollectionStyle#DEFAULT_COLLECTION_STYLE} is used.
+     * By default {@link CollectionStyle#DEFAULT} is used.
      * </p>
      * 
      * @param maxLength the maximum number of items that should be shown. If <code>-1</code> then
@@ -170,25 +170,25 @@ public final class CollectionUtils
             final boolean showLeft, final IToStringConverter<? super T> converter)
     {
         return abbreviate(objects, maxLength, showLeft, converter,
-                CollectionStyle.DEFAULT_COLLECTION_STYLE);
+                CollectionStyle.DEFAULT);
     }
 
     /**
      * Abbreviates a given array of <code>Object</code>.
      * <p>
-     * {@link CollectionStyle#DEFAULT_COLLECTION_STYLE} is used and all items is displayed.
+     * {@link CollectionStyle#DEFAULT} is used and all items is displayed.
      * </p>
      */
     public final static <T> String abbreviate(final T[] objects,
             final IToStringConverter<? super T> converter)
     {
-        return abbreviate(objects, -1, false, converter, CollectionStyle.DEFAULT_COLLECTION_STYLE);
+        return abbreviate(objects, -1, false, converter, CollectionStyle.DEFAULT);
     }
 
     /**
      * Abbreviates a given <code>Collection</code>.
      * <p>
-     * By default {@link CollectionStyle#DEFAULT_COLLECTION_STYLE} is used.
+     * By default {@link CollectionStyle#DEFAULT} is used.
      * </p>
      * 
      * @param maxLength the maximum number of items that should be shown. If <code>-1</code> then
@@ -198,7 +198,7 @@ public final class CollectionUtils
             final boolean showLeft, final IToStringConverter<? super T> converter)
     {
         return abbreviate(collection, maxLength, showLeft, converter,
-                CollectionStyle.DEFAULT_COLLECTION_STYLE);
+                CollectionStyle.DEFAULT);
     }
 
     /**
diff --git a/common/source/java/ch/systemsx/cisd/common/parser/MandatoryPropertyMissingException.java b/common/source/java/ch/systemsx/cisd/common/parser/MandatoryPropertyMissingException.java
index c9042342c27ee4ae38681d3c8b3146f37a8fb5ba..f4c5c7ded002f8713dca37207672ba8602bbc86b 100644
--- a/common/source/java/ch/systemsx/cisd/common/parser/MandatoryPropertyMissingException.java
+++ b/common/source/java/ch/systemsx/cisd/common/parser/MandatoryPropertyMissingException.java
@@ -58,7 +58,7 @@ public final class MandatoryPropertyMissingException extends ParserException
 
     final static String toString(final Set<String> set)
     {
-        return CollectionUtils.abbreviate(set, -1, CollectionStyle.NO_BOUNDARY_COLLECTION_STYLE);
+        return CollectionUtils.abbreviate(set, -1, CollectionStyle.NO_BOUNDARY);
     }
 
     public final Set<String> getMissingMandatoryProperties()
diff --git a/common/sourceTest/java/ch/systemsx/cisd/common/collections/CollectionUtilsTest.java b/common/sourceTest/java/ch/systemsx/cisd/common/collections/CollectionUtilsTest.java
index 2507007ae71707b16435ba603db15235941e9834..cc1494761368e3ce632ba6638b10b0359dc39ef4 100644
--- a/common/sourceTest/java/ch/systemsx/cisd/common/collections/CollectionUtilsTest.java
+++ b/common/sourceTest/java/ch/systemsx/cisd/common/collections/CollectionUtilsTest.java
@@ -59,7 +59,7 @@ public final class CollectionUtilsTest
     public final void testAbbreviateWithArray()
     {
         final String[] s = StringUtilities.getStrings(5);
-        final CollectionStyle collectionStyle = CollectionStyle.DEFAULT_COLLECTION_STYLE;
+        final CollectionStyle collectionStyle = CollectionStyle.DEFAULT;
         String string =
                 collectionStyle.getCollectionStart()
                         + StringUtils.join(s, collectionStyle.getCollectionSeparator())