Adds some strins methods in StringlistUtils.

src/fr/devinsy/util/strings/StringListUtils.java

@@ -18,6 +18,8 @@
  */
 package fr.devinsy.util.strings;
 
+import java.util.Collection;
+
 /**
  * The {@code StringUtils} class defines helper methods to string collection.
  * 
@@ -163,6 +165,34 @@ public class StringListUtils
 		return result;
 	}
 
+	/**
+	 * 
+	 * @param strings
+	 * @return
+	 */
+	public static String toStringWithBracket(final Collection<String> strings)
+	{
+		String result;
+
+		if (strings == null)
+		{
+			result = null;
+		}
+		else
+		{
+			StringList buffer = new StringList();
+
+			buffer.append("[");
+			buffer.append(toStringWithCommas(strings));
+			buffer.append("]");
+
+			result = buffer.toString();
+		}
+
+		//
+		return result;
+	}
+
 	/**
 	 * 
 	 * @param strings
@@ -191,6 +221,26 @@ public class StringListUtils
 		return result;
 	}
 
+	/**
+	 * 
+	 * @param strings
+	 * @return
+	 */
+	public static String toStringWithBracketNotNull(final Collection<String> strings)
+	{
+		String result;
+
+		result = toStringWithBrackets(strings);
+
+		if (result == null)
+		{
+			result = "";
+		}
+
+		//
+		return result;
+	}
+
 	/**
 	 * 
 	 * @param strings
@@ -211,6 +261,35 @@ public class StringListUtils
 		return result;
 	}
 
+	/**
+	 * 
+	 * @param source
+	 * @return
+	 */
+	public static String toStringWithBrackets(final Collection<String> source)
+	{
+		String result;
+
+		if (source == null)
+		{
+			result = null;
+		}
+		else
+		{
+			StringList buffer = new StringList();
+
+			for (String string : source)
+			{
+				buffer.append("[").append(string).append("]");
+			}
+
+			result = buffer.toString();
+		}
+
+		//
+		return result;
+	}
+
 	/**
 	 * 
 	 * @param source
@@ -240,6 +319,28 @@ public class StringListUtils
 		return result;
 	}
 
+	/**
+	 * 
+	 * @param source
+	 * @return
+	 */
+	public static String toStringWithCommas(final Collection<String> source)
+	{
+		String result;
+
+		if (source == null)
+		{
+			result = null;
+		}
+		else
+		{
+			result = new StringList(source).toStringSeparatedBy(",");
+		}
+
+		//
+		return result;
+	}
+
 	/**
 	 * 
 	 * @param source
@@ -262,6 +363,28 @@ public class StringListUtils
 		return result;
 	}
 
+	/**
+	 * 
+	 * @param source
+	 * @return
+	 */
+	public static String toStringWithFrenchCommas(final Collection<String> source)
+	{
+		String result;
+
+		if (source == null)
+		{
+			result = null;
+		}
+		else
+		{
+			result = new StringList(source).toStringSeparatedBy(", ");
+		}
+
+		//
+		return result;
+	}
+
 	/**
 	 * 
 	 * @param source