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diff --git a/reportbuilder/java/com/sun/star/report/pentaho/output/text/VariablesDeclarations.java b/reportbuilder/java/com/sun/star/report/pentaho/output/text/VariablesDeclarations.java
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: VariablesDeclarations.java,v $
+ * $Revision: 1.5 $
+ *
+ * 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.output.text;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Iterator;
+
+import org.jfree.report.util.AttributeNameGenerator;
+
+/**
+ * A collection that holds all used variables. A variable is primarily keyed by
+ * its original name. If a variable contains more than one type, it is also
+ * keyed by the type.
+ *
+ * @author Thomas Morgner
+ * @since 26.03.2007
+ */
+public class VariablesDeclarations
+{
+
+    private final AttributeNameGenerator nameGenerator;
+    private final Map variables;
+
+    public VariablesDeclarations()
+    {
+        variables = new HashMap();
+        nameGenerator = new AttributeNameGenerator();
+    }
+
+    public String produceVariable(final String name,
+            final String type)
+    {
+        HashMap holder = (HashMap) variables.get(name);
+        if (holder == null)
+        {
+            holder = new HashMap();
+            variables.put(name, holder);
+        }
+
+        final String mapping = (String) holder.get(type);
+        if (mapping != null)
+        {
+            return mapping;
+        }
+        final String result = nameGenerator.generateName(name);
+        if (holder.isEmpty())
+        {
+            // create the default mapping as well..
+            holder.put(null, name);
+            holder.put("time", name);
+            holder.put("date", name);
+            holder.put("datetime", name);
+            holder.put("float", name);
+            holder.put("string", name);
+            holder.put("boolean", name);
+        }
+        holder.put(type, name);
+        return result;
+    }
+
+    public Map getDefinedMappings()
+    {
+        final HashMap mappings = new HashMap();
+        final Iterator vars = variables.values().iterator();
+        while (vars.hasNext())
+        {
+            final HashMap types = (HashMap) vars.next();
+            final Iterator varsByType = types.entrySet().iterator();
+            while (varsByType.hasNext())
+            {
+                final Map.Entry entry = (Map.Entry) varsByType.next();
+                final String type = (String) entry.getKey();
+                if (type != null)
+                {
+                    final String varName = (String) entry.getValue();
+                    mappings.put(varName, type);
+                }
+            }
+        }
+        return mappings;
+    }
+}