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diff --git a/reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/VariablesCollection.java b/reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/VariablesCollection.java
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+package com.sun.star.report.pentaho.layoutprocessor;
+
+import com.sun.star.report.pentaho.model.FormattedTextElement;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+/**
+ * A variables collection is used to collect all FormattedTextElement objects
+ * of a repeated header or footer. Later, for each of these elements a variable
+ * setter is inserted into a hidden (in fact just very small) paragraph. These
+ * variables can later be read using the 'variable-get' construct.
+ *
+ * From the idea, this is equal to the 'strings' declaration of CSS3, although
+ * this code is explicit instead of declarative.
+ *
+ * @author Thomas Morgner
+ * @since 22.03.2007
+ */
+public class VariablesCollection
+{
+
+    private VariablesCollection parent;
+    private String namePrefix;
+    private List variables;
+
+    public VariablesCollection(final String namePrefix)
+    {
+        this(namePrefix, null);
+    }
+
+    public VariablesCollection(final String namePrefix, final VariablesCollection parent)
+    {
+        if (namePrefix == null)
+        {
+            throw new NullPointerException("NamePrefix cannot be null");
+        }
+
+        this.namePrefix = namePrefix;
+        this.parent = parent;
+        this.variables = new ArrayList();
+    }
+
+    public VariablesCollection getParent()
+    {
+        return parent;
+    }
+
+    public String getNamePrefix()
+    {
+        return namePrefix;
+    }
+
+    public String addVariable(final FormattedTextElement element)
+    {
+        variables.add(element);
+        final int size = variables.size();
+        return namePrefix + size;
+    }
+
+    public FormattedTextElement[] getVariables()
+    {
+        return (FormattedTextElement[]) variables.toArray(new FormattedTextElement[variables.size()]);
+    }
+
+    public int getVariablesCount()
+    {
+        return variables.size();
+    }
+}