Added copyarray method.

Added javadoc comment on class.


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197117 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/datastructs/ROIntArray.java

@@ -1,7 +1,4 @@
-/**
- * Provides a Read-Only <tt>int</tt> array.
- *
- * 
+/*
  * ============================================================================
  *                   The Apache Software License, Version 1.1
  * ============================================================================
@@ -56,6 +53,11 @@
 // $Id$
 package org.apache.fop.datastructs;
 
+/**
+ * Provides a Read-Only <tt>int</tt> array.
+ * 
+ * @author pbw
+ */
 public class ROIntArray {
     
     private int[] iarray;
@@ -104,4 +106,13 @@ public class ROIntArray {
     public int get(int index) {
         return iarray[index];
     }
+    
+    /**
+     * @return a copy of the array
+     */
+    public int[] copyarray() {
+        int[] tmp = null;
+        System.arraycopy(iarray, 0, tmp, 0, iarray.length);
+        return tmp;
+    }
 }