Adds toString(prefix, separator, postfix) method. Fix

toStringSeparatedBy size.

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

@@ -757,6 +757,40 @@ public class StringList extends ArrayList<String> implements CharSequence
 		return (result);
 	}
 
+	/**
+	 * 
+	 * @param prefix
+	 * @param separator
+	 * @param postifx
+	 * @return
+	 */
+	public String toString(final String prefix, final String separator, final String postfix)
+	{
+		String result;
+
+		StringList buffer = new StringList(1 + size() * 2 + 1);
+
+		buffer.append(prefix);
+
+		for (String string : this)
+		{
+			buffer.append(string);
+			buffer.append(separator);
+		}
+
+		if (separator != null)
+		{
+			buffer.removeLast();
+		}
+
+		buffer.append(postfix);
+
+		result = buffer.toString();
+
+		//
+		return result;
+	}
+
 	/**
 	 * Returns an array containing all of the strings in this list in proper
 	 * sequence (from first to last element).
@@ -791,8 +825,8 @@ public class StringList extends ArrayList<String> implements CharSequence
 	{
 		String result;
 
-		//
+		StringList buffer = new StringList(this.size() * 2);
-		StringList buffer = new StringList(this.length() * 2);
+
 		for (String string : this)
 		{
 			buffer.append(string);

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

@@ -26,6 +26,30 @@ package fr.devinsy.util.strings;
  */
 public class StringListUtils
 {
+	/**
+	 * 
+	 * @param prefix
+	 * @param separator
+	 * @param postfix
+	 * @return
+	 */
+	public String toString(final StringList source, final String prefix, final String separator, final String postfix)
+	{
+		String result;
+
+		if (source == null)
+		{
+			result = prefix + postfix;
+		}
+		else
+		{
+			result = source.toString(prefix, separator, postfix);
+		}
+
+		//
+		return result;
+	}
+
 	/**
 	 * Builds a string list concatenating several time one string.
 	 *